Aer Lingus flights from Chicago O'Hare (ORD) to London Heathrow (LHR).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Fri-Sun 21:45 Chicago O'Hare (ORD) 3 11:30 London Heathrow (LHR) 5
Aer Lingus EI 8996 Non-stop Boeing 787-10 (781) 7:45 Effective 2026-02-06 through 2026-02-08
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Mon-Wed,Fri-Sun 16:55 Chicago O'Hare (ORD) 3 06:50 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Boeing 787-10 (781) 7:55 Effective 2026-04-18 through 2026-04-29
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Mon-Wed,Fri-Sun 17:00 Chicago O'Hare (ORD) 3 06:50 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Boeing 787-10 (781) 7:50 Effective 2026-03-29 through 2026-04-17
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Thu 17:00 Chicago O'Hare (ORD) 3 06:55 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Boeing 787-10 (781) 7:55 Effective 2026-04-02 through 2026-10-22
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Mon-Wed,Fri-Sun 17:00 Chicago O'Hare (ORD) 3 06:50 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Boeing 787-10 (781) 7:50 Effective 2026-05-01 through 2026-10-23
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Sat 17:00 Chicago O'Hare (ORD) 3 05:50 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Boeing 787-10 (781) 7:50 Operates only on 2026-10-24
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Daily 17:10 Chicago O'Hare (ORD) 3 06:55 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Airbus A350-1000 (351) 7:45 Valid until 2026-01-04
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Daily 17:10 Chicago O'Hare (ORD) 3 06:55 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Airbus A350-1000 (351) 7:45 Effective 2026-01-12 through 2026-03-07
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Daily 18:10 Chicago O'Hare (ORD) 3 06:55 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Airbus A350-1000 (351) 7:45 Effective 2026-03-08 through 2026-03-26
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Fri 18:10 Chicago O'Hare (ORD) 3 06:55 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Boeing 777-300ER (77W) 7:45 Operates only on 2026-03-27
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Sat 18:10 Chicago O'Hare (ORD) 3 07:55 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Boeing 777-300ER (77W) 7:45 Operates only on 2026-03-28
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Daily 18:10 Chicago O'Hare (ORD) 3 06:55 London Heathrow (LHR) 5
Aer Lingus EI 8994 Non-stop Boeing 787-10 (781) 7:45 Effective from 2026-10-25
Codeshare flight, operated by British Airways.(BA 294)
The flight arrives 1 day after departure.
Daily 21:15 Chicago O'Hare (ORD) 3 11:15 London Heathrow (LHR) 5
Aer Lingus EI 8996 Non-stop Airbus A350-1000 (351) 8:00 Effective 2026-03-28 through 2026-10-15
Codeshare flight, operated by British Airways.(BA 296)
The flight arrives 1 day after departure.
Fri-Sun 21:15 Chicago O'Hare (ORD) 3 11:15 London Heathrow (LHR) 5
Aer Lingus EI 8996 Non-stop Boeing 787-10 (781) 8:00 Effective 2026-10-16 through 2026-10-18
Codeshare flight, operated by British Airways.(BA 296)
The flight arrives 1 day after departure.
Mon-Fri 21:15 Chicago O'Hare (ORD) 3 11:15 London Heathrow (LHR) 5
Aer Lingus EI 8996 Non-stop Airbus A350-1000 (351) 8:00 Effective 2026-10-19 through 2026-10-23
Codeshare flight, operated by British Airways.(BA 296)
The flight arrives 1 day after departure.
Daily 21:45 Chicago O'Hare (ORD) 3 11:35 London Heathrow (LHR) 5
Aer Lingus EI 8996 Non-stop Boeing 787-10 (781) 7:50 Valid until 2026-02-01
Codeshare flight, operated by British Airways.(BA 296)
The flight arrives 1 day after departure.
Daily 21:45 Chicago O'Hare (ORD) 3 11:35 London Heathrow (LHR) 5
Aer Lingus EI 8996 Non-stop Boeing 787-10 (781) 7:50 Effective 2026-02-09 through 2026-03-07
Codeshare flight, operated by British Airways.(BA 296)
The flight arrives 1 day after departure.
Daily 22:45 Chicago O'Hare (ORD) 3 11:35 London Heathrow (LHR) 5
Aer Lingus EI 8996 Non-stop Boeing 787-10 (781) 7:50 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by British Airways.(BA 296)
The flight arrives 1 day after departure.
Sat 22:45 Chicago O'Hare (ORD) 3 11:35 London Heathrow (LHR) 5
Aer Lingus EI 8996 Non-stop Boeing 787-10 (781) 7:50 Operates only on 2026-10-24
Codeshare flight, operated by British Airways.(BA 296)
The flight arrives 1 day after departure.
Daily 22:45 Chicago O'Hare (ORD) 3 11:35 London Heathrow (LHR) 5
Aer Lingus EI 8996 Non-stop Airbus A350-1000 (351) 7:50 Effective from 2026-10-25
Codeshare flight, operated by British Airways.(BA 296)
The flight arrives 1 day after departure.




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Aer Lingus flights from Chicago O'Hare (ORD) to London Heathrow (LHR).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Aer Lingus EI8996
21:45
Chicago O'Hare (ORD) 3

11:30(+1)
London Heathrow (LHR) 5
Effective 2026-02-06 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 7:45, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
16:55
Chicago O'Hare (ORD) 3

06:50(+1)
London Heathrow (LHR) 5
Effective 2026-04-18 through 2026-04-29
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:55, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
17:00
Chicago O'Hare (ORD) 3

06:50(+1)
London Heathrow (LHR) 5
Effective 2026-03-29 through 2026-04-17
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:50, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
17:00
Chicago O'Hare (ORD) 3

06:55(+1)
London Heathrow (LHR) 5
Effective 2026-04-02 through 2026-10-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:55, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
17:00
Chicago O'Hare (ORD) 3

06:50(+1)
London Heathrow (LHR) 5
Effective 2026-05-01 through 2026-10-23
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:50, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
17:00
Chicago O'Hare (ORD) 3

05:50(+1)
London Heathrow (LHR) 5
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:50, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
17:10
Chicago O'Hare (ORD) 3

06:55(+1)
London Heathrow (LHR) 5
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:45, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
17:10
Chicago O'Hare (ORD) 3

06:55(+1)
London Heathrow (LHR) 5
Effective 2026-01-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:45, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
18:10
Chicago O'Hare (ORD) 3

06:55(+1)
London Heathrow (LHR) 5
Effective 2026-03-08 through 2026-03-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:45, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
18:10
Chicago O'Hare (ORD) 3

06:55(+1)
London Heathrow (LHR) 5
Operates only on 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:45, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
18:10
Chicago O'Hare (ORD) 3

07:55(+1)
London Heathrow (LHR) 5
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:45, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8994
18:10
Chicago O'Hare (ORD) 3

06:55(+1)
London Heathrow (LHR) 5
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 294)
Duration: 7:45, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8996
21:15
Chicago O'Hare (ORD) 3

11:15(+1)
London Heathrow (LHR) 5
Effective 2026-03-28 through 2026-10-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 296)
Duration: 8:00, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8996
21:15
Chicago O'Hare (ORD) 3

11:15(+1)
London Heathrow (LHR) 5
Effective 2026-10-16 through 2026-10-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 296)
Duration: 8:00, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8996
21:15
Chicago O'Hare (ORD) 3

11:15(+1)
London Heathrow (LHR) 5
Effective 2026-10-19 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by British Airways. (BA 296)
Duration: 8:00, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8996
21:45
Chicago O'Hare (ORD) 3

11:35(+1)
London Heathrow (LHR) 5
Valid until 2026-02-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 296)
Duration: 7:50, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8996
21:45
Chicago O'Hare (ORD) 3

11:35(+1)
London Heathrow (LHR) 5
Effective 2026-02-09 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 296)
Duration: 7:50, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8996
22:45
Chicago O'Hare (ORD) 3

11:35(+1)
London Heathrow (LHR) 5
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 296)
Duration: 7:50, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8996
22:45
Chicago O'Hare (ORD) 3

11:35(+1)
London Heathrow (LHR) 5
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 296)
Duration: 7:50, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Aer Lingus EI8996
22:45
Chicago O'Hare (ORD) 3

11:35(+1)
London Heathrow (LHR) 5
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 296)
Duration: 7:50, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
  • An international route departing from Chicago O'Hare airport, United States (ORD) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight distance is 3940 miles, or 6340 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC+0 . 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 7:45 and 8:00.
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