Airlines with flights from Seattle to London

There are 15 airlines with scheduled flights between SEA and LHR. British Airways, Virgin Atlantic and 2 more carriers has non-stop flights from Seattle Airport to Heathrow and the flight time is 9 hours and 30 minutes.

Change direction

Choose airline

Direct

$British Airways from {( $airportFrom->city_name }} to London$

Non-stop

9h 30min

Direct

$Virgin Atlantic from {( $airportFrom->city_name }} to London$

Non-stop

9h 50min

Direct

$Delta Air Lines from {( $airportFrom->city_name }} to London$

Non-stop

9h 45min

Direct

$Alaska Airlines from {( $airportFrom->city_name }} to London$

Non-stop

9h 25min

Via Dublin

11h 50min

Via Reykjavik

12h 15min

Via Minneapolis

12h 17min

Via Salt Lake City

12h 30min

Via Denver

12h 34min

Via Chicago

12h 44min

Via Calgary

12h 45min

Via Munich

12h 50min

Via Paris

13h 0min

Via New York

13h 6min

Via Chicago

13h 16min

Via Detroit

13h 19min

Via Philadelphia

13h 33min

Via Toronto

13h 35min

Via Vancouver

13h 35min

Via New York

13h 37min

Via San Francisco

13h 40min

Via Dulles

13h 40min

Via Copenhagen

13h 40min

Via New York

14h 20min

Via Boston

15h 16min

Via Frankfurt

16h 30min

NEW

Via Helsinki

13h 30min

Schedules

Non-stop with British Airways

Total flight time: 9 hours and 30 minutes
One World Alliance
London is a British Airways hub (Main hub).

14 flights per week
Boeing 787-10

Boeing 777-300ER
Business and first class available

SEA

Direct

LHR

Flight

Mon

Jul 20

Tue

Jul 21

Wed

Jul 22

Thu

Jul 23

Fri

Jul 24

Sat

Jul 25

Sun

Jul 26

BA52

13:30

BA48

20:20

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR SEA - LHR

The timetable & schedule information was updated at 2026-04-22

Non-stop with Virgin Atlantic

Total flight time: 9 hours and 50 minutes
Sky Team Alliance
London is a Virgin Atlantic hub.

10 flights per week
Airbus A330-900neo
Business class available

SEA

Direct

LHR

Flight

Mon

Jul 20

Tue

Jul 21

Wed

Jul 22

Thu

Jul 23

Fri

Jul 24

Sat

Jul 25

Sun

Jul 26

VS106

18:15

20:10

18:20

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR SEA - LHR

The timetable & schedule information was updated at 2026-04-22

Non-stop with Delta Air Lines

Total flight time: 9 hours and 45 minutes
Sky Team Alliance
Seattle is a Delta Air Lines hub.

7 flights per week
Airbus A330-900neo
Business class available

SEA

Direct

LHR

Flight

Mon

Jul 20

Tue

Jul 21

Wed

Jul 22

Thu

Jul 23

Fri

Jul 24

Sat

Jul 25

Sun

Jul 26

DL20

21:50

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR SEA - LHR

The timetable & schedule information was updated at 2026-04-22

Non-stop with Alaska Airlines

Total flight time: 9 hours and 25 minutes
One World Alliance
Seattle is a Alaska Airlines hub (Primary hub).

7 flights per week
Boeing 787-9
First class available

SEA

Direct

LHR

Flight

Mon

Jul 20

Tue

Jul 21

Wed

Jul 22

Thu

Jul 23

Fri

Jul 24

Sat

Jul 25

Sun

Jul 26

AS100

21:45

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR SEA - LHR

The timetable & schedule information was updated at 2026-04-22

Via Dublin with Aer Lingus

Total flight time: 11h 50m - 15h 10m.

20 flights per week

SEA

Via DUB

LHR

Flight

Mon

Jul 20

Tue

Jul 21

Wed

Jul 22

Thu

Jul 23

Fri

Jul 24

Sat

Jul 25

Sun

Jul 26

EI52
EI166

19:10

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR SEA - LHR

The timetable & schedule information was updated at 2026-04-22

Via Reykjavik with Icelandair

Total flight time: 12h 15m - 12h 55m.

23 flights per week

SEA

Via KEF

LHR

Flight

Mon

Jul 20

Tue

Jul 21

Wed

Jul 22

Thu

Jul 23

Fri

Jul 24

Sat

Jul 25

Sun

Jul 26

FI680
FI450

15:40

FI684
FI454

23:25

----

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR SEA - LHR

The timetable & schedule information was updated at 2026-04-22

Via Minneapolis with Delta Air Lines

Total flight time: 12h 17m - 15h 20m.
Sky Team Alliance
Seattle is a Delta Air Lines hub.

42 flights per week
Airbus A330-900neo

SEA

Via MSP

LHR

Flight

Mon

Jul 20

Tue

Jul 21

Wed

Jul 22

Thu

Jul 23

Fri

Jul 24

Sat

Jul 25

Sun

Jul 26

DL942
DL10

14:30

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR SEA - LHR

The timetable & schedule information was updated at 2026-04-22

Via Salt Lake City with Delta Air Lines

Total flight time: 12h 30m - 16h 35m.
Sky Team Alliance
Seattle is a Delta Air Lines hub.

46 flights per week
Airbus A330-900neo

SEA

Via SLC

LHR

Flight

Mon

Jul 20

Tue

Jul 21

Wed

Jul 22

Thu

Jul 23

Fri

Jul 24

Sat

Jul 25

Sun

Jul 26

DL1016
DL50