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

FLIGHT SCHEDULE
Direct Codeshare Flights:
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)

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 7:55 and 8:55.

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FLIGHT SCHEDULE

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)

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 7:55 and 8:55.

All LHR-ORD flights

All SriLankan Airlines flights

Return (ORD-LHR) flights

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