United Airlines flights from Heathrow, London (LHR) to Istanbul (IST).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:20 Heathrow, London (LHR) 2 17:10 Istanbul (IST)
United Airlines UA 6919 Non-stop Boeing 777-300ER (77W) 3:50 Effective 2024-03-31 through 2024-10-26
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Daily 11:30 Heathrow, London (LHR) 2 18:15 Istanbul (IST)
United Airlines UA 6919 Non-stop Boeing 777-300ER (77W) 3:45 Valid until 2024-01-31
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Mon-Sat 11:30 Heathrow, London (LHR) 2 18:15 Istanbul (IST)
United Airlines UA 6919 Non-stop Airbus A330-300 (333) 3:45 Effective 2024-02-01 through 2024-02-10
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Sun 11:30 Heathrow, London (LHR) 2 18:15 Istanbul (IST)
United Airlines UA 6919 Non-stop Airbus A350-900 (359) 3:45 Operates only on 2024-02-04
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Daily 11:30 Heathrow, London (LHR) 2 18:15 Istanbul (IST)
United Airlines UA 6919 Non-stop Airbus A330-300 (333) 3:45 Effective 2024-02-11 through 2024-02-20
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Wed 11:30 Heathrow, London (LHR) 2 18:15 Istanbul (IST)
United Airlines UA 6919 Non-stop Airbus A330-200 (332) 3:45 Operates only on 2024-02-21
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Daily 11:30 Heathrow, London (LHR) 2 18:15 Istanbul (IST)
United Airlines UA 6919 Non-stop Airbus A330-300 (333) 3:45 Effective 2024-02-22 through 2024-03-05
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Wed 11:30 Heathrow, London (LHR) 2 18:15 Istanbul (IST)
United Airlines UA 6919 Non-stop Airbus A330-200 (332) 3:45 Effective 2024-03-06 through 2024-03-13
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Mon,Tue,Thu-Sun 11:30 Heathrow, London (LHR) 2 18:15 Istanbul (IST)
United Airlines UA 6919 Non-stop Airbus A330-300 (333) 3:45 Effective 2024-03-07 through 2024-03-19
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Daily 11:30 Heathrow, London (LHR) 2 18:15 Istanbul (IST)
United Airlines UA 6919 Non-stop Airbus A330-300 (333) 3:45 Effective 2024-03-20 through 2024-03-30
Codeshare flight, operated by Turkish Airlines.(TK 1980)
Daily 22:15 Heathrow, London (LHR) 2 04:05 Istanbul (IST)
United Airlines UA 6920 Non-stop Airbus A321neo (32Q) 3:50 Effective 2024-03-31 through 2024-10-26
Codeshare flight, operated by Turkish Airlines.(TK 1984)
The flight arrives 1 day after departure.
Daily 22:20 Heathrow, London (LHR) 2 05:05 Istanbul (IST)
United Airlines UA 6920 Non-stop Airbus A321neo (32Q) 3:45 Valid until 2024-01-01
Codeshare flight, operated by Turkish Airlines.(TK 1984)
The flight arrives 1 day after departure.
Tue 22:20 Heathrow, London (LHR) 2 05:05 Istanbul (IST)
United Airlines UA 6920 Non-stop Airbus A330-300 (333) 3:45 Operates only on 2024-01-02
Codeshare flight, operated by Turkish Airlines.(TK 1984)
The flight arrives 1 day after departure.
Daily 22:20 Heathrow, London (LHR) 2 05:05 Istanbul (IST)
United Airlines UA 6920 Non-stop Airbus A321neo (32Q) 3:45 Effective 2024-01-03 through 2024-03-30
Codeshare flight, operated by Turkish Airlines.(TK 1984)
The flight arrives 1 day after departure.
Mon,Wed,Sat,Sun 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Boeing 777-300ER (77W) 3:50 Valid until 2024-01-08
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Tue,Thu,Fri 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A350-900 (359) 3:50 Effective 2024-01-02 through 2024-01-05
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Mon,Tue 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-300 (333) 3:50 Effective 2024-01-09 through 2024-01-16
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Wed-Fri 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A350-900 (359) 3:50 Effective 2024-01-10 through 2024-01-12
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Sat,Sun 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Boeing 777-300ER (77W) 3:50 Effective 2024-01-13 through 2024-02-10
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Wed 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Boeing 787-9 (789) 3:50 Effective 2024-01-17 through 2024-01-31
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Mon,Tue,Thu,Fri 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-300 (333) 3:50 Effective 2024-01-18 through 2024-02-02
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Mon,Wed 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Boeing 787-9 (789) 3:50 Effective 2024-02-05 through 2024-03-04
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Tue,Thu,Fri,Sun 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-300 (333) 3:50 Effective 2024-02-06 through 2024-02-16
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Sat,Sun 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Boeing 777-300ER (77W) 3:50 Effective 2024-02-17 through 2024-03-30
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Tue,Thu,Fri 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-300 (333) 3:50 Effective 2024-02-20 through 2024-03-05
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Tue,Wed,Fri 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-300 (333) 3:50 Effective 2024-03-06 through 2024-03-12
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Thu 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-200 (332) 3:50 Effective 2024-03-07 through 2024-03-28
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Mon 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A350-900 (359) 3:50 Operates only on 2024-03-11
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Wed 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Boeing 787-9 (789) 3:50 Effective 2024-03-13 through 2024-03-27
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Mon,Tue,Fri 16:15 Heathrow, London (LHR) 2 23:05 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-300 (333) 3:50 Effective 2024-03-15 through 2024-03-29
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Daily 16:15 Heathrow, London (LHR) 2 22:00 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-300 (333) 3:45 Effective 2024-03-31 through 2024-10-26
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Daily 06:35 Heathrow, London (LHR) 2 13:30 Istanbul (IST)
United Airlines UA 6922 Non-stop Airbus A321neo (32Q) 3:55 Valid until 2024-03-30
Codeshare flight, operated by Turkish Airlines.(TK 1988)
Daily 06:35 Heathrow, London (LHR) 2 12:35 Istanbul (IST)
United Airlines UA 6922 Non-stop Airbus A321neo (32Q) 4:00 Effective 2024-03-31 through 2024-10-26
Codeshare flight, operated by Turkish Airlines.(TK 1988)




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United Airlines flights from Heathrow, London (LHR) to Istanbul (IST).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
United Airlines UA6919
11:20
Heathrow, London (LHR) 2

17:10
Istanbul (IST)
Effective 2024-03-31 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:50, non-stop
Boeing 777-300ER (77W)
United Airlines UA6919
11:30
Heathrow, London (LHR) 2

18:15
Istanbul (IST)
Valid until 2024-01-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:45, non-stop
Boeing 777-300ER (77W)
United Airlines UA6919
11:30
Heathrow, London (LHR) 2

18:15
Istanbul (IST)
Effective 2024-02-01 through 2024-02-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:45, non-stop
Airbus A330-300 (333)
United Airlines UA6919
11:30
Heathrow, London (LHR) 2

18:15
Istanbul (IST)
Operates only on 2024-02-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:45, non-stop
Airbus A350-900 (359)
United Airlines UA6919
11:30
Heathrow, London (LHR) 2

18:15
Istanbul (IST)
Effective 2024-02-11 through 2024-02-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:45, non-stop
Airbus A330-300 (333)
United Airlines UA6919
11:30
Heathrow, London (LHR) 2

18:15
Istanbul (IST)
Operates only on 2024-02-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:45, non-stop
Airbus A330-200 (332)
United Airlines UA6919
11:30
Heathrow, London (LHR) 2

18:15
Istanbul (IST)
Effective 2024-02-22 through 2024-03-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:45, non-stop
Airbus A330-300 (333)
United Airlines UA6919
11:30
Heathrow, London (LHR) 2

18:15
Istanbul (IST)
Effective 2024-03-06 through 2024-03-13
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:45, non-stop
Airbus A330-200 (332)
United Airlines UA6919
11:30
Heathrow, London (LHR) 2

18:15
Istanbul (IST)
Effective 2024-03-07 through 2024-03-19
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:45, non-stop
Airbus A330-300 (333)
United Airlines UA6919
11:30
Heathrow, London (LHR) 2

18:15
Istanbul (IST)
Effective 2024-03-20 through 2024-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1980)
Duration: 3:45, non-stop
Airbus A330-300 (333)
United Airlines UA6920
22:15
Heathrow, London (LHR) 2

04:05(+1)
Istanbul (IST)
Effective 2024-03-31 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1984)
Duration: 3:50, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
United Airlines UA6920
22:20
Heathrow, London (LHR) 2

05:05(+1)
Istanbul (IST)
Valid until 2024-01-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1984)
Duration: 3:45, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
United Airlines UA6920
22:20
Heathrow, London (LHR) 2

05:05(+1)
Istanbul (IST)
Operates only on 2024-01-02
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1984)
Duration: 3:45, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.
United Airlines UA6920
22:20
Heathrow, London (LHR) 2

05:05(+1)
Istanbul (IST)
Effective 2024-01-03 through 2024-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1984)
Duration: 3:45, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Valid until 2024-01-08
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Boeing 777-300ER (77W)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-01-02 through 2024-01-05
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A350-900 (359)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-01-09 through 2024-01-16
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A330-300 (333)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-01-10 through 2024-01-12
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A350-900 (359)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-01-13 through 2024-02-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Boeing 777-300ER (77W)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-01-17 through 2024-01-31
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Boeing 787-9 (789)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-01-18 through 2024-02-02
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A330-300 (333)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-02-05 through 2024-03-04
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Boeing 787-9 (789)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-02-06 through 2024-02-16
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A330-300 (333)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-02-17 through 2024-03-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Boeing 777-300ER (77W)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-02-20 through 2024-03-05
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A330-300 (333)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-03-06 through 2024-03-12
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A330-300 (333)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-03-07 through 2024-03-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A330-200 (332)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Operates only on 2024-03-11
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A350-900 (359)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-03-13 through 2024-03-27
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Boeing 787-9 (789)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

23:05
Istanbul (IST)
Effective 2024-03-15 through 2024-03-29
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A330-300 (333)
United Airlines UA6921
16:15
Heathrow, London (LHR) 2

22:00
Istanbul (IST)
Effective 2024-03-31 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:45, non-stop
Airbus A330-300 (333)
United Airlines UA6922
06:35
Heathrow, London (LHR) 2

13:30
Istanbul (IST)
Valid until 2024-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1988)
Duration: 3:55, non-stop
Airbus A321neo (32Q)
United Airlines UA6922
06:35
Heathrow, London (LHR) 2

12:35
Istanbul (IST)
Effective 2024-03-31 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1988)
Duration: 4:00, non-stop
Airbus A321neo (32Q)
  • An international route departing from Heathrow, London airport, United Kingdom (LHR) and arriving at Istanbul airport, Turkey (IST).
  • The flight distance is 1545 miles, or 2487 km.
  • The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC+3 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 3:45 and 4:00.
All LHR-IST flights
All United Airlines flights
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