All airlines flying from London Heathrow (LHR) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE
Direct Flights:
Daily 10:25 London Heathrow (LHR) 2 14:45 Chicago O'Hare (ORD) 5 United Airlines UA 928 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-03-08 through 2026-03-28
Daily 10:25 London Heathrow (LHR) 2 14:45 Chicago O'Hare (ORD) 5 United Airlines UA 928 Non-stop Boeing 767-300 (763) 9:20 Effective from 2026-10-25
Daily 14:10 London Heathrow (LHR) 2 17:20 Chicago O'Hare (ORD) 5 United Airlines UA 928 Non-stop Boeing 767-300 (763) 9:10 Effective 2026-03-29 through 2026-05-20
Daily 14:10 London Heathrow (LHR) 2 17:15 Chicago O'Hare (ORD) 5 United Airlines UA 928 Non-stop Boeing 767-300 (763) 9:05 Effective 2026-05-21 through 2026-10-24
Tue,Fri 07:25 London Heathrow (LHR) 2 10:45 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Valid until 2026-02-03
Tue,Wed,Fri 07:25 London Heathrow (LHR) 2 10:45 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-02-04 through 2026-02-10
Tue,Fri 07:25 London Heathrow (LHR) 2 10:45 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-02-13 through 2026-03-06
Tue,Fri 07:25 London Heathrow (LHR) 2 11:45 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-03-10 through 2026-03-27
Wed,Thu,Sat,Sun 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Valid until 2026-02-01
Wed,Thu,Sat,Sun 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-02-05 through 2026-03-07
Wed,Thu,Sat,Sun 07:40 London Heathrow (LHR) 2 12:00 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-03-08 through 2026-03-28
Daily 07:40 London Heathrow (LHR) 2 12:00 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Effective from 2026-10-25
Mon 07:55 London Heathrow (LHR) 2 11:15 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Valid until 2026-03-02
Mon 07:55 London Heathrow (LHR) 2 12:15 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-03-09 through 2026-03-23
Daily 08:00 London Heathrow (LHR) 2 10:55 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 8:55 Effective 2026-03-29 through 2026-05-20
Daily 08:00 London Heathrow (LHR) 2 11:05 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:05 Effective 2026-05-21 through 2026-09-07
Daily 08:00 London Heathrow (LHR) 2 11:10 Chicago O'Hare (ORD) 5 United Airlines UA 958 Non-stop Boeing 767-300 (763) 9:10 Effective 2026-09-08 through 2026-10-24
Daily 11:05 London Heathrow (LHR) 2 14:10 Chicago O'Hare (ORD) 5 United Airlines UA 959 Non-stop Boeing 767-300 (763) 9:05 Effective 2026-03-29 through 2026-10-24
Daily 13:35 London Heathrow (LHR) 2 17:00 Chicago O'Hare (ORD) 5 United Airlines UA 959 Non-stop Boeing 767-300 (763) 9:25 Valid until 2026-02-03
Daily 13:35 London Heathrow (LHR) 2 17:00 Chicago O'Hare (ORD) 5 United Airlines UA 959 Non-stop Boeing 767-300 (763) 9:25 Effective 2026-02-05 through 2026-03-07
Daily 13:35 London Heathrow (LHR) 2 18:00 Chicago O'Hare (ORD) 5 United Airlines UA 959 Non-stop Boeing 767-300 (763) 9:25 Effective 2026-03-08 through 2026-03-28
Daily 13:35 London Heathrow (LHR) 2 18:00 Chicago O'Hare (ORD) 5 United Airlines UA 959 Non-stop Boeing 767-300 (763) 9:25 Effective from 2026-10-25
Wed 15:50 London Heathrow (LHR) 2 19:20 Chicago O'Hare (ORD) 5 United Airlines UA 959 Non-stop Boeing 767-300 (763) 9:30 Operates only on 2026-02-04
Direct Codeshare Flights:
Daily 09:15 London Heathrow (LHR) 3 11:55 Chicago O'Hare (ORD) 5 British Airways BA 1542 Non-stop Boeing 787-9 (789) 8:40 Effective 2026-03-29 through 2026-10-24 Codeshare flight, operated by American Airlines.(AA 87)
Daily 12:35 London Heathrow (LHR) 3 15:25 Chicago O'Hare (ORD) 5 British Airways BA 1542 Non-stop Boeing 787-9 (789) 8:50 Valid until 2026-02-02 Codeshare flight, operated by American Airlines.(AA 87)
Tue-Fri 12:35 London Heathrow (LHR) 3 15:25 Chicago O'Hare (ORD) 5 British Airways BA 1542 Non-stop Boeing 787-9 (789) 8:50 Effective 2026-02-05 through 2026-02-13 Codeshare flight, operated by American Airlines.(AA 87)
Daily 12:35 London Heathrow (LHR) 3 15:25 Chicago O'Hare (ORD) 5 British Airways BA 1542 Non-stop Boeing 787-9 (789) 8:50 Effective 2026-02-14 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 87)
Daily 12:35 London Heathrow (LHR) 3 16:25 Chicago O'Hare (ORD) 5 British Airways BA 1542 Non-stop Boeing 787-9 (789) 8:50 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by American Airlines.(AA 87)
Daily 12:15 London Heathrow (LHR) 3 14:40 Chicago O'Hare (ORD) 5 British Airways BA 1544 Non-stop Boeing 787-9 (789) 8:25 Effective 2026-03-29 through 2026-10-24 Codeshare flight, operated by American Airlines.(AA 47)
Daily 12:35 London Heathrow (LHR) 3 16:30 Chicago O'Hare (ORD) 5 British Airways BA 1544 Non-stop Boeing 787-9 (789) 8:55 Effective from 2026-10-25 Codeshare flight, operated by American Airlines.(AA 47)
Daily 14:10 London Heathrow (LHR) 3 17:00 Chicago O'Hare (ORD) 5 British Airways BA 1546 Non-stop Boeing 787-9 (789) 8:50 Valid until 2026-03-07 Codeshare flight, operated by American Airlines.(AA 91)
Daily 14:10 London Heathrow (LHR) 3 18:00 Chicago O'Hare (ORD) 5 British Airways BA 1546 Non-stop Boeing 787-9 (789) 8:50 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by American Airlines.(AA 91)
Daily 14:10 London Heathrow (LHR) 3 18:05 Chicago O'Hare (ORD) 5 British Airways BA 1546 Non-stop Boeing 787-9 (789) 8:55 Effective from 2026-10-25 Codeshare flight, operated by American Airlines.(AA 91)
Daily 14:25 London Heathrow (LHR) 3 17:00 Chicago O'Hare (ORD) 5 British Airways BA 1546 Non-stop Boeing 787-9 (789) 8:35 Effective 2026-03-29 through 2026-10-24 Codeshare flight, operated by American Airlines.(AA 91)
Daily 09:15 London Heathrow (LHR) 3 11:55 Chicago O'Hare (ORD) 5 SriLankan Airlines UL 2015 Non-stop Boeing 787-9 (789) 8:40 Effective 2026-03-29 through 2026-10-24 Codeshare flight, operated by American Airlines.(AA 87)
Daily 09:55 London Heathrow (LHR) 3 12:50 Chicago O'Hare (ORD) 5 SriLankan Airlines UL 2015 Non-stop Boeing 787-9 (789) 7:55 Effective from 2026-10-25 Codeshare flight, operated by American Airlines.(AA 87)
Sat,Sun 12:35 London Heathrow (LHR) 3 15:25 Chicago O'Hare (ORD) 5 SriLankan Airlines UL 2015 Non-stop Boeing 787-9 (789) 8:50 Valid until 2026-02-01 Codeshare flight, operated by American Airlines.(AA 87)
Sat,Sun 12:35 London Heathrow (LHR) 3 15:25 Chicago O'Hare (ORD) 5 SriLankan Airlines UL 2015 Non-stop Boeing 787-9 (789) 8:50 Effective 2026-02-14 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 87)
Sat,Sun 12:35 London Heathrow (LHR) 3 16:25 Chicago O'Hare (ORD) 5 SriLankan Airlines UL 2015 Non-stop Boeing 787-9 (789) 8:50 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by American Airlines.(AA 87)
Daily 12:15 London Heathrow (LHR) 3 14:40 Chicago O'Hare (ORD) 5 SriLankan Airlines UL 2028 Non-stop Boeing 787-9 (789) 8:25 Effective 2026-03-29 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 47)
Sat,Sun 14:10 London Heathrow (LHR) 3 17:00 Chicago O'Hare (ORD) 5 SriLankan Airlines UL 2035 Non-stop Boeing 787-8 (788) 8:50 Valid until 2026-03-07 Codeshare flight, operated by American Airlines.(AA 91)
Sat,Sun 14:10 London Heathrow (LHR) 3 18:00 Chicago O'Hare (ORD) 5 SriLankan Airlines UL 2035 Non-stop Boeing 787-8 (788) 8:50 Effective 2026-03-08 through 2026-03-22 Codeshare flight, operated by American Airlines.(AA 91)
Sat,Sun 14:10 London Heathrow (LHR) 3 18:05 Chicago O'Hare (ORD) 5 SriLankan Airlines UL 2035 Non-stop Boeing 787-8 (788) 8:55 Effective from 2026-10-25 Codeshare flight, operated by American Airlines.(AA 91)
Daily 10:25 London Heathrow (LHR) 2 14:45 Chicago O'Hare (ORD) 5 Swiss LX 3044 Non-stop Boeing 767-300 (763) 9:20 Effective from 2026-10-25 Codeshare flight, operated by United Airlines.(UA 928)
Daily 13:35 London Heathrow (LHR) 2 17:00 Chicago O'Hare (ORD) 5 Swiss LX 3044 Non-stop Boeing 767-300 (763) 9:25 Valid until 2026-02-03 Codeshare flight, operated by United Airlines.(UA 959)
Daily 13:35 London Heathrow (LHR) 2 17:00 Chicago O'Hare (ORD) 5 Swiss LX 3044 Non-stop Boeing 767-300 (763) 9:25 Effective 2026-02-05 through 2026-03-07 Codeshare flight, operated by United Airlines.(UA 959)
Daily 13:35 London Heathrow (LHR) 2 18:00 Chicago O'Hare (ORD) 5 Swiss LX 3044 Non-stop Boeing 767-300 (763) 9:25 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 959)
Daily 14:10 London Heathrow (LHR) 2 17:20 Chicago O'Hare (ORD) 5 Swiss LX 3044 Non-stop Boeing 767-300 (763) 9:10 Effective 2026-03-29 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 928)
Daily 14:10 London Heathrow (LHR) 2 17:15 Chicago O'Hare (ORD) 5 Swiss LX 3044 Non-stop Boeing 767-300 (763) 9:05 Effective 2026-05-21 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 928)
Wed 15:50 London Heathrow (LHR) 2 19:20 Chicago O'Hare (ORD) 5 Swiss LX 3044 Non-stop Boeing 767-300 (763) 9:30 Operates only on 2026-02-04 Codeshare flight, operated by United Airlines.(UA 959)

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An international route departing from London Heathrow airport, United Kingdom (LHR) and arriving at Chicago O'Hare airport, United States (ORD).
The flight distance is 3940 miles, or 6340 km.
The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-6 . 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 7:25 and 9:30.

Return (ORD-LHR) flights

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All airlines flying from London Heathrow (LHR) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA928

10:25

London Heathrow (LHR) 2

14:45

Chicago O'Hare (ORD) 5

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA928

10:25

London Heathrow (LHR) 2

14:45

Chicago O'Hare (ORD) 5

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA928

14:10

London Heathrow (LHR) 2

17:20

Chicago O'Hare (ORD) 5

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:10, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA928

14:10

London Heathrow (LHR) 2

17:15

Chicago O'Hare (ORD) 5

Effective 2026-05-21 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:05, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:25

London Heathrow (LHR) 2

10:45

Chicago O'Hare (ORD) 5

Valid until 2026-02-03

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:25

London Heathrow (LHR) 2

10:45

Chicago O'Hare (ORD) 5

Effective 2026-02-04 through 2026-02-10

Mon
-

Tue

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:25

London Heathrow (LHR) 2

10:45

Chicago O'Hare (ORD) 5

Effective 2026-02-13 through 2026-03-06

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:25

London Heathrow (LHR) 2

11:45

Chicago O'Hare (ORD) 5

Effective 2026-03-10 through 2026-03-27

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:40

London Heathrow (LHR) 2

11:00

Chicago O'Hare (ORD) 5

Valid until 2026-02-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:40

London Heathrow (LHR) 2

11:00

Chicago O'Hare (ORD) 5

Effective 2026-02-05 through 2026-03-07

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:40

London Heathrow (LHR) 2

12:00

Chicago O'Hare (ORD) 5

Effective 2026-03-08 through 2026-03-28

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:40

London Heathrow (LHR) 2

12:00

Chicago O'Hare (ORD) 5

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:55

London Heathrow (LHR) 2

11:15

Chicago O'Hare (ORD) 5

Valid until 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

07:55

London Heathrow (LHR) 2

12:15

Chicago O'Hare (ORD) 5

Effective 2026-03-09 through 2026-03-23

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

08:00

London Heathrow (LHR) 2

10:55

Chicago O'Hare (ORD) 5

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:55, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

08:00

London Heathrow (LHR) 2

11:05

Chicago O'Hare (ORD) 5

Effective 2026-05-21 through 2026-09-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:05, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA958

08:00

London Heathrow (LHR) 2

11:10

Chicago O'Hare (ORD) 5

Effective 2026-09-08 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:10, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA959

11:05

London Heathrow (LHR) 2

14:10

Chicago O'Hare (ORD) 5

Effective 2026-03-29 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:05, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA959

13:35

London Heathrow (LHR) 2

17:00

Chicago O'Hare (ORD) 5

Valid until 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:25, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA959

13:35

London Heathrow (LHR) 2

17:00

Chicago O'Hare (ORD) 5

Effective 2026-02-05 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:25, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA959

13:35

London Heathrow (LHR) 2

18:00

Chicago O'Hare (ORD) 5

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:25, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA959

13:35

London Heathrow (LHR) 2

18:00

Chicago O'Hare (ORD) 5

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:25, non-stop
Boeing 767-300 (763)

Direct Flights:

United Airlines UA959

15:50

London Heathrow (LHR) 2

19:20

Chicago O'Hare (ORD) 5

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 9:30, non-stop
Boeing 767-300 (763)

Direct Codeshare Flights:

British Airways BA1542

09:15

London Heathrow (LHR) 3

11:55

Chicago O'Hare (ORD) 5

Effective 2026-03-29 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 8:40, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1542

12:35

London Heathrow (LHR) 3

15:25

Chicago O'Hare (ORD) 5

Valid until 2026-02-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 8:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1542

12:35

London Heathrow (LHR) 3

15:25

Chicago O'Hare (ORD) 5

Effective 2026-02-05 through 2026-02-13

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 8:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1542

12:35

London Heathrow (LHR) 3

15:25

Chicago O'Hare (ORD) 5

Effective 2026-02-14 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 8:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1542

12:35

London Heathrow (LHR) 3

16:25

Chicago O'Hare (ORD) 5

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 8:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1544

12:15

London Heathrow (LHR) 3

14:40

Chicago O'Hare (ORD) 5

Effective 2026-03-29 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 47)

Duration: 8:25, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1544

12:35

London Heathrow (LHR) 3

16:30

Chicago O'Hare (ORD) 5

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 47)

Duration: 8:55, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1546

14:10

London Heathrow (LHR) 3

17:00

Chicago O'Hare (ORD) 5

Valid until 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 91)

Duration: 8:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1546

14:10

London Heathrow (LHR) 3

18:00

Chicago O'Hare (ORD) 5

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 91)

Duration: 8:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1546

14:10

London Heathrow (LHR) 3

18:05

Chicago O'Hare (ORD) 5

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 91)

Duration: 8:55, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

British Airways BA1546

14:25

London Heathrow (LHR) 3

17:00

Chicago O'Hare (ORD) 5

Effective 2026-03-29 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 91)

Duration: 8:35, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

SriLankan Airlines UL2015

09:15

London Heathrow (LHR) 3

11:55

Chicago O'Hare (ORD) 5

Effective 2026-03-29 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 8:40, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

SriLankan Airlines UL2015

09:55

London Heathrow (LHR) 3

12:50

Chicago O'Hare (ORD) 5

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 7:55, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

SriLankan Airlines UL2015

12:35

London Heathrow (LHR) 3

15:25

Chicago O'Hare (ORD) 5

Valid until 2026-02-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 8:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

SriLankan Airlines UL2015

12:35

London Heathrow (LHR) 3

15:25

Chicago O'Hare (ORD) 5

Effective 2026-02-14 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 8:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

SriLankan Airlines UL2015

12:35

London Heathrow (LHR) 3

16:25

Chicago O'Hare (ORD) 5

Effective 2026-03-08 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 87)

Duration: 8:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

SriLankan Airlines UL2028

12:15

London Heathrow (LHR) 3

14:40

Chicago O'Hare (ORD) 5

Effective 2026-03-29 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 47)

Duration: 8:25, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

SriLankan Airlines UL2035

14:10

London Heathrow (LHR) 3

17:00

Chicago O'Hare (ORD) 5

Valid until 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 91)

Duration: 8:50, non-stop
Boeing 787-8 (788)

Direct Codeshare Flights:

SriLankan Airlines UL2035

14:10

London Heathrow (LHR) 3

18:00

Chicago O'Hare (ORD) 5

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 91)

Duration: 8:50, non-stop
Boeing 787-8 (788)

Direct Codeshare Flights:

SriLankan Airlines UL2035

14:10

London Heathrow (LHR) 3

18:05

Chicago O'Hare (ORD) 5

Effective from 2026-10-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 91)

Duration: 8:55, non-stop
Boeing 787-8 (788)

Direct Codeshare Flights:

Swiss LX3044

10:25

London Heathrow (LHR) 2

14:45

Chicago O'Hare (ORD) 5

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 928)

Duration: 9:20, non-stop
Boeing 767-300 (763)

Direct Codeshare Flights:

Swiss LX3044

13:35

London Heathrow (LHR) 2

17:00

Chicago O'Hare (ORD) 5

Valid until 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 959)

Duration: 9:25, non-stop
Boeing 767-300 (763)

Direct Codeshare Flights:

Swiss LX3044

13:35

London Heathrow (LHR) 2

17:00

Chicago O'Hare (ORD) 5

Effective 2026-02-05 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 959)

Duration: 9:25, non-stop
Boeing 767-300 (763)

Direct Codeshare Flights:

Swiss LX3044

13:35

London Heathrow (LHR) 2

18:00

Chicago O'Hare (ORD) 5

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 959)

Duration: 9:25, non-stop
Boeing 767-300 (763)

Direct Codeshare Flights:

Swiss LX3044

14:10

London Heathrow (LHR) 2

17:20

Chicago O'Hare (ORD) 5

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 928)

Duration: 9:10, non-stop
Boeing 767-300 (763)

Direct Codeshare Flights:

Swiss LX3044

14:10

London Heathrow (LHR) 2

17:15

Chicago O'Hare (ORD) 5

Effective 2026-05-21 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 928)

Duration: 9:05, non-stop
Boeing 767-300 (763)

Direct Codeshare Flights:

Swiss LX3044

15:50

London Heathrow (LHR) 2

19:20

Chicago O'Hare (ORD) 5

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 959)

Duration: 9:30, non-stop
Boeing 767-300 (763)

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An international route departing from London Heathrow airport, United Kingdom (LHR) and arriving at Chicago O'Hare airport, United States (ORD).
The flight distance is 3940 miles, or 6340 km.
The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-6 . 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 7:25 and 9:30.

Return (ORD-LHR) flights

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