Browse Destinations:

Find flight deals from Seattle to London (SEA - LON)

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle to London

(Round-trip)
Depart: Wed, 26 Nov, 2014 Return: Sat, 6 Dec, 2014 Trip spans 11 days
United
United
SEA
06:44
LHR
23:00
16h 16m
2 stops
LHR
09:05
SEA
15:15
30h 10m
2 stops
Depart: Sat, 8 Nov, 2014 Return: Sat, 15 Nov, 2014 Trip spans 8 days
Delta
Delta
SEA
06:44
LHR
02:25
19h 41m
1 stop
LHR
05:55
SEA
01:48
19h 53m
1 stop
Depart: Fri, 12 Dec, 2014 Return: Fri, 26 Dec, 2014 Trip spans 15 days
United
United
SEA
03:45
LHR
22:30
18h 45m
2 stops
LHR
05:30
SEA
03:58
22h 28m
2 stops
Depart: Thu, 11 Dec, 2014 Return: Sat, 13 Dec, 2014 Trip spans 3 days
Brussels Airlines
Brussels Airlines
SEA
02:04
LHR
08:10
30h 06m
2 stops
LHR
06:15
SEA
21:23
39h 08m
2 stops
Depart: Thu, 13 Nov, 2014 Return: Sat, 15 Nov, 2014 Trip spans 3 days
Austrian Airlines
Austrian Airlines
SEA
01:00
LHR
05:40
28h 40m
2 stops
LHR
04:05
SEA
23:51
43h 46m
2 stops
Depart: Sat, 1 Nov, 2014 Return: Sat, 15 Nov, 2014 Trip spans 15 days
United
United
SEA
15:00
LHR
23:15
33h 15m
2 stops
LHR
05:30
SEA
00:57
19h 27m
2 stops
Depart: Tue, 11 Nov, 2014 Return: Sat, 15 Nov, 2014 Trip spans 5 days
Brussels Airlines
Brussels Airlines
SEA
02:05
LHR
08:10
30h 05m
2 stops
LHR
06:15
SEA
21:30
39h 15m
2 stops
Depart: Mon, 15 Dec, 2014 Return: Sat, 20 Dec, 2014 Trip spans 6 days
Austrian Airlines
Austrian Airlines
SEA
02:04
LHR
05:40
27h 36m
2 stops
LHR
14:35
SEA
23:41
33h 06m
2 stops
Depart: Sun, 14 Dec, 2014 Return: Sat, 20 Dec, 2014 Trip spans 7 days
Austrian Airlines
Austrian Airlines
SEA
02:04
LHR
08:25
30h 21m
2 stops
LHR
14:35
SEA
23:41
33h 06m
2 stops
Depart: Mon, 22 Dec, 2014 Return: Sat, 3 Jan, 2015 Trip spans 13 days
United
United
SEA
08:20
LHR
22:30
14h 10m
2 stops
LHR
04:00
SEA
01:43
21h 43m
2 stops
Depart: Sun, 21 Dec, 2014 Return: Sat, 3 Jan, 2015 Trip spans 14 days
American Airlines
American Airlines
SEA
19:20
LHR
09:40
14h 20m
1 stop
LHR
06:30
SEA
01:05
18h 35m
1 stop
Depart: Tue, 16 Dec, 2014 Return: Sat, 20 Dec, 2014 Trip spans 5 days
Brussels Airlines
Brussels Airlines
SEA
02:04
LHR
08:10
30h 06m
2 stops
LHR
06:15
SEA
21:20
39h 05m
2 stops
Depart: Tue, 25 Nov, 2014 Return: Sat, 6 Dec, 2014 Trip spans 12 days
Multiple Airlines
Multiple Airlines
SEA
20:00
LHR
06:10
34h 10m
1 stop
LHR
08:00
SEA
19:40
11h 40m
1 stop
Depart: Fri, 31 Oct, 2014 Return: Sat, 15 Nov, 2014 Trip spans 16 days
Multiple Airlines
Multiple Airlines
SEA
22:00
LHR
07:10
34h 10m
1 stop
LHR
08:00
SEA
19:40
11h 40m
1 stop
Depart: Fri, 7 Nov, 2014 Return: Sat, 15 Nov, 2014 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SEA
20:00
LHR
06:10
34h 10m
1 stop
LHR
08:00
SEA
19:40
11h 40m
1 stop
Change your search
Direct flights SEA - LON on British Airways
Flight No. Departure SEA Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
52 14:05 07:30 2 Nov - 23 Nov
52 14:05 07:30 30 Nov - 7 Dec
52 15:05 07:30 26 Oct - 31 Oct
48 18:00 11:30 2 Nov - 24 Dec
48 18:05 11:35 7 Nov - 7 Mar
48 19:00 11:30 26 Oct - 30 Oct
48 19:05 11:35 25 Oct - 1 Nov
Airports
Origin

Seattle
£739
Destination

London
£739