United Airlines flight UA 6866: London Heathrow - Lisbon

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Valid until 2025-05-05
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue,Wed,Fri,Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Valid until 2025-05-03
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue,Fri,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-05-06 through 2025-05-13
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Wed,Thu,Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-05-07 through 2025-05-14
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Thu 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-05-15 through 2025-05-19
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue-Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-05-16 through 2025-05-25
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Wed-Fri 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-05-26 through 2025-06-06
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-05-27 through 2025-06-01
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Sat 08:00 London Heathrow (LHR) 2 10:40 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:40 Operates only on 2025-05-31
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue 08:00 London Heathrow (LHR) 2 10:40 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:40 Effective 2025-06-03 through 2025-06-10
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Wed,Thu,Sat,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-06-07 through 2025-06-14
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Fri,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-06-09 through 2025-06-16
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-06-17 through 2025-06-22
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Wed-Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-06-18 through 2025-06-25
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue 08:00 London Heathrow (LHR) 2 10:40 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:40 Operates only on 2025-06-24
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Tue,Thu,Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-06-26 through 2025-07-01
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Wed,Fri,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-06-27 through 2025-07-06
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Thu 08:00 London Heathrow (LHR) 2 10:40 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:40 Effective 2025-07-03 through 2025-07-31
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-07-05 through 2025-07-07
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Wed,Fri-Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-07-08 through 2025-07-14
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Wed,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-07-15 through 2025-07-22
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Wed,Fri,Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-07-18 through 2025-07-23
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Fri,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-07-25 through 2025-08-01
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Wed,Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-07-26 through 2025-08-02
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Wed,Fri-Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-08-03 through 2025-08-13
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Tue,Thu 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-08-04 through 2025-08-12
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Wed,Thu,Sat,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-08-14 through 2025-08-21
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Tue,Fri 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-08-15 through 2025-08-19
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue-Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-08-22 through 2025-08-30
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-08-25 through 2025-09-01
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Tue,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-09-02 through 2025-09-16
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Wed-Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-09-03 through 2025-09-20
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Wed,Thu,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-09-21 through 2025-09-28
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Tue,Fri,Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-09-22 through 2025-09-29
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue-Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-09-30 through 2025-10-05
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Tue,Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-10-06 through 2025-10-11
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Wed-Fri,Sun 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-10-08 through 2025-10-15
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Tue,Thu 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-10-14 through 2025-10-16
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Daily 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-10-17 through 2025-10-23
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Fri 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Operates only on 2025-10-24
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Sat 08:00 London Heathrow (LHR) 2 10:45 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Operates only on 2025-10-25
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Fri,Sun 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-10-26 through 2025-11-02
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Thu,Sat 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-10-28 through 2025-11-03
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Tue 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-11-04 through 2025-11-11
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Wed-Sun 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-11-05 through 2025-11-14
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Thu-Sat 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-11-15 through 2025-11-21
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Wed,Sat,Sun 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-11-16 through 2025-11-22
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Sun 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2025-11-23 through 2025-11-30
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Sat 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-11-24 through 2025-12-03
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Thu 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Operates only on 2025-12-04
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Daily 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-12-05 through 2025-12-11
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Fri 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Operates only on 2025-12-12
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Daily 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-12-13 through 2025-12-26
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Sat 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Operates only on 2025-12-27
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Daily 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2025-12-28 through 2026-01-07
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Thu,Fri 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2026-01-08 through 2026-01-09
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Daily 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2026-01-10 through 2026-01-21
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Thu,Sat 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2026-01-22 through 2026-01-24
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Fri,Sun 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2026-01-23 through 2026-02-03
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Wed,Sat 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2026-01-31 through 2026-02-07
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Fri,Sun 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2026-02-05 through 2026-02-15
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon,Sat 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective 2026-02-14 through 2026-02-21
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Fri,Sun 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective 2026-02-17 through 2026-02-25
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Thu,Sat 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A320neo (32N) 2:45 Effective from 2026-02-26
Codeshare flight, operated by TAP Air Portugal.(TP 1351)
Mon-Wed,Fri,Sun 08:15 London Heathrow (LHR) 2 11:00 Lisbon (LIS) 1
UA 6866 Non-stop Airbus A321neo (32Q) 2:45 Effective from 2026-02-27
Codeshare flight, operated by TAP Air Portugal.(TP 1351)


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United Airlines flight UA 6866:
London Heathrow - Lisbon
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Valid until 2025-05-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Valid until 2025-05-03
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-05-06 through 2025-05-13
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-05-07 through 2025-05-14
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-05-15 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-05-16 through 2025-05-25
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-05-26 through 2025-06-06
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-05-27 through 2025-06-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:40
Lisbon (LIS) 1
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:40, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:40
Lisbon (LIS) 1
Effective 2025-06-03 through 2025-06-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:40, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-06-07 through 2025-06-14
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-06-09 through 2025-06-16
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-06-17 through 2025-06-22
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-06-18 through 2025-06-25
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:40
Lisbon (LIS) 1
Operates only on 2025-06-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:40, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-06-26 through 2025-07-01
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-06-27 through 2025-07-06
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:40
Lisbon (LIS) 1
Effective 2025-07-03 through 2025-07-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:40, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-07-05 through 2025-07-07
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-07-08 through 2025-07-14
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-07-15 through 2025-07-22
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-07-18 through 2025-07-23
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-07-25 through 2025-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-07-26 through 2025-08-02
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-08-03 through 2025-08-13
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-08-04 through 2025-08-12
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-08-14 through 2025-08-21
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-08-15 through 2025-08-19
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-08-22 through 2025-08-30
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-08-25 through 2025-09-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-09-02 through 2025-09-16
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-09-03 through 2025-09-20
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-09-21 through 2025-09-28
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-09-22 through 2025-09-29
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-09-30 through 2025-10-05
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-10-06 through 2025-10-11
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-10-08 through 2025-10-15
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-10-14 through 2025-10-16
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Effective 2025-10-17 through 2025-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Operates only on 2025-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:00
London Heathrow (LHR) 2

10:45
Lisbon (LIS) 1
Operates only on 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-10-26 through 2025-11-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-10-28 through 2025-11-03
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-11-04 through 2025-11-11
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-11-05 through 2025-11-14
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-11-15 through 2025-11-21
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-11-16 through 2025-11-22
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-11-23 through 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-11-24 through 2025-12-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Operates only on 2025-12-04
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-12-05 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Operates only on 2025-12-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-12-13 through 2025-12-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Operates only on 2025-12-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2025-12-28 through 2026-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2026-01-08 through 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2026-01-10 through 2026-01-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2026-01-22 through 2026-01-24
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2026-01-23 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2026-01-31 through 2026-02-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2026-02-05 through 2026-02-15
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2026-02-14 through 2026-02-21
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective 2026-02-17 through 2026-02-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective from 2026-02-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A320neo (32N)
United Airlines UA6866
08:15
London Heathrow (LHR) 2

11:00
Lisbon (LIS) 1
Effective from 2026-02-27
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by TAP Air Portugal. (TP 1351)
Duration: 2:45, non-stop
Airbus A321neo (32Q)
  • UA 6866 is an international flight departing from London Heathrow airport, United Kingdom (LHR) and arriving at Lisbon airport, Portugal (LIS).
  • The flight distance is 971 miles, or 1563 km.
  • The timezone of both the departure and the arrival airports is UTC+0 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 2:40 and 2:45.
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