SriLankan Airlines flights from Chicago O'Hare (ORD) to London Heathrow (LHR).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 17:40 Chicago O'Hare (ORD) 3 07:20 London Heathrow (LHR) 3 SriLankan Airlines UL 2016 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-03-28 through 2026-10-23 Codeshare flight, operated by American Airlines.(AA 86) The flight arrives 1 day after departure.
Daily 18:25 Chicago O'Hare (ORD) 3 08:15 London Heathrow (LHR) 3 SriLankan Airlines UL 2016 Non-stop Boeing 787-9 (789) 7:50 Effective 2026-01-06 through 2026-01-25 Codeshare flight, operated by American Airlines.(AA 86) The flight arrives 1 day after departure.
Daily 18:25 Chicago O'Hare (ORD) 3 08:15 London Heathrow (LHR) 3 SriLankan Airlines UL 2016 Non-stop Boeing 787-9 (789) 7:50 Effective 2026-02-01 through 2026-02-11 Codeshare flight, operated by American Airlines.(AA 86) The flight arrives 1 day after departure.
Daily 18:30 Chicago O'Hare (ORD) 3 08:15 London Heathrow (LHR) 3 SriLankan Airlines UL 2016 Non-stop Boeing 787-9 (789) 7:45 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 86) The flight arrives 1 day after departure.
Daily 18:35 Chicago O'Hare (ORD) 3 08:15 London Heathrow (LHR) 3 SriLankan Airlines UL 2016 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 86) The flight arrives 1 day after departure.
Mon-Sat 18:45 Chicago O'Hare (ORD) 3 08:35 London Heathrow (LHR) 3 SriLankan Airlines UL 2016 Non-stop Boeing 787-9 (789) 7:50 Effective 2026-01-26 through 2026-01-31 Codeshare flight, operated by American Airlines.(AA 86) The flight arrives 1 day after departure.
Daily 19:45 Chicago O'Hare (ORD) 3 08:35 London Heathrow (LHR) 3 SriLankan Airlines UL 2016 Non-stop Boeing 787-9 (789) 7:50 Effective 2026-03-08 through 2026-03-27 Codeshare flight, operated by American Airlines.(AA 86) The flight arrives 1 day after departure.
Daily 20:30 Chicago O'Hare (ORD) 3 10:30 London Heathrow (LHR) 3 SriLankan Airlines UL 2018 Non-stop Boeing 787-9 (789) 8:00 Effective 2026-03-29 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 46) The flight arrives 1 day after departure.
Daily 22:35 Chicago O'Hare (ORD) 3 12:15 London Heathrow (LHR) 3 SriLankan Airlines UL 2032 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-03-29 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 98) The flight arrives 1 day after departure.
Fri,Sat 09:00 Chicago O'Hare (ORD) 3 22:40 London Heathrow (LHR) 3 SriLankan Airlines UL 2036 Non-stop Boeing 787-9 (789) 8:40 Effective from 2026-10-30 Codeshare flight, operated by American Airlines.(AA 90)
Daily 20:40 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3 SriLankan Airlines UL 2036 Non-stop Boeing 787-9 (789) 7:45 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 90) The flight arrives 1 day after departure.
Daily 20:45 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3 SriLankan Airlines UL 2036 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-01-06 through 2026-02-01 Codeshare flight, operated by American Airlines.(AA 90) The flight arrives 1 day after departure.
Mon-Thu 20:45 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3 SriLankan Airlines UL 2036 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-02-04 through 2026-02-12 Codeshare flight, operated by American Airlines.(AA 90) The flight arrives 1 day after departure.
Daily 20:45 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3 SriLankan Airlines UL 2036 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-02-13 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 90) The flight arrives 1 day after departure.
Daily 21:45 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3 SriLankan Airlines UL 2036 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-03-08 through 2026-03-27 Codeshare flight, operated by American Airlines.(AA 90) 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 7:40 and 8:40.

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FLIGHT SCHEDULE

Direct Codeshare Flights:

SriLankan Airlines UL2016

17:40

Chicago O'Hare (ORD) 3

07:20(+1)

London Heathrow (LHR) 3

Effective 2026-03-28 through 2026-10-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 86)

Duration: 7:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2016

18:25

Chicago O'Hare (ORD) 3

08:15(+1)

London Heathrow (LHR) 3

Effective 2026-01-06 through 2026-01-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 86)

Duration: 7:50, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2016

18:25

Chicago O'Hare (ORD) 3

08:15(+1)

London Heathrow (LHR) 3

Effective 2026-02-01 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 86)

Duration: 7:50, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2016

18:30

Chicago O'Hare (ORD) 3

08:15(+1)

London Heathrow (LHR) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 86)

Duration: 7:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2016

18:35

Chicago O'Hare (ORD) 3

08:15(+1)

London Heathrow (LHR) 3

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 86)

Duration: 7:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2016

18:45

Chicago O'Hare (ORD) 3

08:35(+1)

London Heathrow (LHR) 3

Effective 2026-01-26 through 2026-01-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 86)

Duration: 7:50, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2016

19:45

Chicago O'Hare (ORD) 3

08:35(+1)

London Heathrow (LHR) 3

Effective 2026-03-08 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 86)

Duration: 7:50, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2018

20:30

Chicago O'Hare (ORD) 3

10:30(+1)

London Heathrow (LHR) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 46)

Duration: 8:00, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2032

22:35

Chicago O'Hare (ORD) 3

12:15(+1)

London Heathrow (LHR) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 98)

Duration: 7:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2036

09:00

Chicago O'Hare (ORD) 3

22:40

London Heathrow (LHR) 3

Effective from 2026-10-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 90)

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

Direct Codeshare Flights:

SriLankan Airlines UL2036

20:40

Chicago O'Hare (ORD) 3

10:25(+1)

London Heathrow (LHR) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 90)

Duration: 7:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2036

20:45

Chicago O'Hare (ORD) 3

10:25(+1)

London Heathrow (LHR) 3

Effective 2026-01-06 through 2026-02-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 90)

Duration: 7:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2036

20:45

Chicago O'Hare (ORD) 3

10:25(+1)

London Heathrow (LHR) 3

Effective 2026-02-04 through 2026-02-12

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 90)

Duration: 7:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2036

20:45

Chicago O'Hare (ORD) 3

10:25(+1)

London Heathrow (LHR) 3

Effective 2026-02-13 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 90)

Duration: 7:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

SriLankan Airlines UL2036

21:45

Chicago O'Hare (ORD) 3

10:25(+1)

London Heathrow (LHR) 3

Effective 2026-03-08 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 90)

Duration: 7:40, non-stop
Boeing 787-9 (789)
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 7:40 and 8:40.

All ORD-LHR flights

All SriLankan Airlines flights

Return (LHR-ORD) flights

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