Alaska Airlines flights from Seattle-Tacoma (SEA) to London Heathrow (LHR).

Ad box here 7322741189 I FlightInfo Top Box

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 18:50 Seattle-Tacoma (SEA) 12:15 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 787 (787) 9:25 Effective 2024-11-03 through 2025-02-03 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Daily 18:50 Seattle-Tacoma (SEA) 12:15 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 787 (787) 9:25 Effective 2025-02-05 through 2025-02-17 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Daily 18:50 Seattle-Tacoma (SEA) 12:15 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 787 (787) 9:25 Effective 2025-02-19 through 2025-03-08 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Daily 19:40 Seattle-Tacoma (SEA) 13:00 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 787 (787) 9:20 Valid until 2024-10-22 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Wed 19:40 Seattle-Tacoma (SEA) 13:00 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 787-9 (789) 9:20 Operates only on 2024-10-23 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Thu,Fri 19:40 Seattle-Tacoma (SEA) 13:00 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 787 (787) 9:20 Effective 2024-10-24 through 2024-10-25 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Sat 19:40 Seattle-Tacoma (SEA) 13:00 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 777 (777) 9:20 Operates only on 2025-03-29 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Daily 19:40 Seattle-Tacoma (SEA) 13:00 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 787 (787) 9:20 Effective from 2025-03-30 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Daily 19:50 Seattle-Tacoma (SEA) 12:15 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 787 (787) 9:25 Effective 2024-10-26 through 2024-11-02 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Daily 19:50 Seattle-Tacoma (SEA) 12:15 London Heathrow (LHR) 5 Alaska Airlines AS 5270 Non-stop Boeing 787 (787) 9:25 Effective 2025-03-09 through 2025-03-28 Codeshare flight, operated by British Airways.(BA 48) The flight arrives 1 day after departure.
Mon-Fri 13:30 Seattle-Tacoma (SEA) 06:50 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 777 (777) 9:20 Valid until 2024-10-25 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Mon-Fri 13:30 Seattle-Tacoma (SEA) 06:50 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 777 (777) 9:20 Effective from 2025-03-31 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Tue 13:35 Seattle-Tacoma (SEA) 07:00 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787 (787) 9:25 Effective 2024-11-05 through 2024-12-03 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Tue 13:35 Seattle-Tacoma (SEA) 07:00 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787 (787) 9:25 Effective 2024-12-17 through 2025-01-21 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Tue 13:35 Seattle-Tacoma (SEA) 07:00 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787 (787) 9:25 Effective 2025-02-04 through 2025-03-04 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Sun 13:40 Seattle-Tacoma (SEA) 07:00 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 777 (777) 9:20 Valid until 2024-10-20 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Sun 13:40 Seattle-Tacoma (SEA) 07:00 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 777 (777) 9:20 Effective from 2025-03-30 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Fri,Sat 13:45 Seattle-Tacoma (SEA) 07:10 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787 (787) 9:25 Effective 2024-11-08 through 2025-03-08 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Sat 13:50 Seattle-Tacoma (SEA) 07:10 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 777 (777) 9:20 Valid until 2024-10-19 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Sat 13:50 Seattle-Tacoma (SEA) 06:10 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 777 (777) 9:20 Operates only on 2024-10-26 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Sat 13:50 Seattle-Tacoma (SEA) 07:10 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 777 (777) 9:20 Effective from 2025-04-05 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Tue 14:35 Seattle-Tacoma (SEA) 07:00 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787 (787) 9:25 Operates only on 2024-10-29 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Tue 14:35 Seattle-Tacoma (SEA) 07:00 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787 (787) 9:25 Effective 2025-03-11 through 2025-03-25 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Fri 14:45 Seattle-Tacoma (SEA) 07:10 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787 (787) 9:25 Operates only on 2024-11-01 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Sat 14:45 Seattle-Tacoma (SEA) 07:10 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787-9 (789) 9:25 Operates only on 2024-11-02 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Fri,Sat 14:45 Seattle-Tacoma (SEA) 07:10 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787 (787) 9:25 Effective 2025-03-14 through 2025-03-28 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.
Sat 14:45 Seattle-Tacoma (SEA) 08:10 London Heathrow (LHR) 5 Alaska Airlines AS 5272 Non-stop Boeing 787 (787) 9:25 Operates only on 2025-03-29 Codeshare flight, operated by British Airways.(BA 52) The flight arrives 1 day after departure.

Ad flat here 8924483383 I FlightInfo Lower

Parallax here SEA-LHR

An international route departing from Seattle-Tacoma airport, United States (SEA) and arriving at London Heathrow airport, United Kingdom (LHR).
The flight distance is 4783 miles, or 7697 km.
The timezone of the departure airport is UTC-8 , 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 9:20 and 9:25.

Feedback - Disclaimer - Privacy - new_base.html - DESKTOP - CACHE: False - LANG: en - IS_EU: False

Alaska Airlines flights from Seattle-Tacoma (SEA) to London Heathrow (LHR).

Ad mobi flat here (320x100px) 9629219771 M FlightInfo Top Flat

FLIGHT SCHEDULE

Direct Codeshare Flights:

Alaska Airlines AS5270

18:50

Seattle-Tacoma (SEA)

12:15(+1)

London Heathrow (LHR) 5

Effective 2024-11-03 through 2025-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5270

18:50

Seattle-Tacoma (SEA)

12:15(+1)

London Heathrow (LHR) 5

Effective 2025-02-05 through 2025-02-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5270

18:50

Seattle-Tacoma (SEA)

12:15(+1)

London Heathrow (LHR) 5

Effective 2025-02-19 through 2025-03-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5270

19:40

Seattle-Tacoma (SEA)

13:00(+1)

London Heathrow (LHR) 5

Valid until 2024-10-22

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:20, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5270

19:40

Seattle-Tacoma (SEA)

13:00(+1)

London Heathrow (LHR) 5

Operates only on 2024-10-23

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:20, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Alaska Airlines AS5270

19:40

Seattle-Tacoma (SEA)

13:00(+1)

London Heathrow (LHR) 5

Effective 2024-10-24 through 2024-10-25

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:20, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5270

19:40

Seattle-Tacoma (SEA)

13:00(+1)

London Heathrow (LHR) 5

Operates only on 2025-03-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:20, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Alaska Airlines AS5270

19:40

Seattle-Tacoma (SEA)

13:00(+1)

London Heathrow (LHR) 5

Effective from 2025-03-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:20, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5270

19:50

Seattle-Tacoma (SEA)

12:15(+1)

London Heathrow (LHR) 5

Effective 2024-10-26 through 2024-11-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5270

19:50

Seattle-Tacoma (SEA)

12:15(+1)

London Heathrow (LHR) 5

Effective 2025-03-09 through 2025-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 48)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:30

Seattle-Tacoma (SEA)

06:50(+1)

London Heathrow (LHR) 5

Valid until 2024-10-25

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:20, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:30

Seattle-Tacoma (SEA)

06:50(+1)

London Heathrow (LHR) 5

Effective from 2025-03-31

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:20, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:35

Seattle-Tacoma (SEA)

07:00(+1)

London Heathrow (LHR) 5

Effective 2024-11-05 through 2024-12-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:35

Seattle-Tacoma (SEA)

07:00(+1)

London Heathrow (LHR) 5

Effective 2024-12-17 through 2025-01-21

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:35

Seattle-Tacoma (SEA)

07:00(+1)

London Heathrow (LHR) 5

Effective 2025-02-04 through 2025-03-04

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:40

Seattle-Tacoma (SEA)

07:00(+1)

London Heathrow (LHR) 5

Valid until 2024-10-20

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:20, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:40

Seattle-Tacoma (SEA)

07:00(+1)

London Heathrow (LHR) 5

Effective from 2025-03-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:20, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:45

Seattle-Tacoma (SEA)

07:10(+1)

London Heathrow (LHR) 5

Effective 2024-11-08 through 2025-03-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:50

Seattle-Tacoma (SEA)

07:10(+1)

London Heathrow (LHR) 5

Valid until 2024-10-19

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:20, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:50

Seattle-Tacoma (SEA)

06:10(+1)

London Heathrow (LHR) 5

Operates only on 2024-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:20, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

13:50

Seattle-Tacoma (SEA)

07:10(+1)

London Heathrow (LHR) 5

Effective from 2025-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:20, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

14:35

Seattle-Tacoma (SEA)

07:00(+1)

London Heathrow (LHR) 5

Operates only on 2024-10-29

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

14:35

Seattle-Tacoma (SEA)

07:00(+1)

London Heathrow (LHR) 5

Effective 2025-03-11 through 2025-03-25

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

14:45

Seattle-Tacoma (SEA)

07:10(+1)

London Heathrow (LHR) 5

Operates only on 2024-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

14:45

Seattle-Tacoma (SEA)

07:10(+1)

London Heathrow (LHR) 5

Operates only on 2024-11-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

14:45

Seattle-Tacoma (SEA)

07:10(+1)

London Heathrow (LHR) 5

Effective 2025-03-14 through 2025-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Alaska Airlines AS5272

14:45

Seattle-Tacoma (SEA)

08:10(+1)

London Heathrow (LHR) 5

Operates only on 2025-03-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 52)

Duration: 9:25, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Ad mobi box here (300x250px) 6815354179 M FlightInfo Bottom Box

Parallax here SEA-LHR

An international route departing from Seattle-Tacoma airport, United States (SEA) and arriving at London Heathrow airport, United Kingdom (LHR).
The flight distance is 4783 miles, or 7697 km.
The timezone of the departure airport is UTC-8 , 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 9:20 and 9:25.

All SEA-LHR flights

All Alaska Airlines flights

Return (LHR-SEA) flights

Feedback - Disclaimer - Privacy - new_base.html - MOBILE

- CACHE: False - LANG: en - IS_EU: False