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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: Tue, 9 Sep, 2014 Return: Tue, 14 Oct, 2014 Trip spans 36 days
Air Canada
Air Canada
SEA
05:10
LHR
22:00
16h 50m
2 stops
LHR
06:05
SEA
22:46
16h 41m
2 stops
Depart: Mon, 8 Sep, 2014 Return: Tue, 14 Oct, 2014 Trip spans 37 days
United
United
SEA
04:10
LHR
22:25
18h 15m
2 stops
LHR
06:05
SEA
00:53
18h 48m
2 stops
Depart: Wed, 3 Sep, 2014 Return: Tue, 14 Oct, 2014 Trip spans 42 days
United
United
SEA
04:30
LHR
19:10
14h 40m
2 stops
LHR
06:05
SEA
00:53
18h 48m
2 stops
Depart: Thu, 4 Sep, 2014 Return: Tue, 14 Oct, 2014 Trip spans 41 days
United
United
SEA
07:40
LHR
02:05
18h 25m
2 stops
LHR
06:05
SEA
00:53
18h 48m
2 stops
Depart: Sun, 7 Sep, 2014 Return: Tue, 14 Oct, 2014 Trip spans 38 days
United
United
SEA
06:31
LHR
22:25
15h 54m
2 stops
LHR
06:05
SEA
00:53
18h 48m
2 stops
Depart: Sat, 6 Sep, 2014 Return: Tue, 14 Oct, 2014 Trip spans 39 days
United
United
SEA
15:05
LHR
19:10
28h 05m
2 stops
LHR
06:05
SEA
00:53
18h 48m
2 stops
Depart: Wed, 17 Sep, 2014 Return: Thu, 16 Oct, 2014 Trip spans 30 days
United
United
SEA
11:48
LHR
02:05
14h 17m
1 stop
LHR
06:35
SEA
23:45
17h 10m
1 stop
Depart: Fri, 5 Sep, 2014 Return: Tue, 14 Oct, 2014 Trip spans 40 days
United
United
SEA
08:14
LHR
00:15
16h 01m
2 stops
LHR
06:05
SEA
00:53
18h 48m
2 stops
Depart: Tue, 2 Sep, 2014 Return: Tue, 16 Sep, 2014 Trip spans 15 days
United
United
SEA
05:40
LHR
19:10
13h 30m
1 stop
LHR
06:05
SEA
21:37
15h 32m
1 stop
Depart: Mon, 1 Sep, 2014 Return: Mon, 29 Sep, 2014 Trip spans 29 days
Air Canada
Air Canada
SEA
04:00
LHR
18:25
14h 25m
2 stops
LHR
04:30
SEA
22:46
18h 16m
2 stops
Depart: Wed, 6 Aug, 2014 Return: Thu, 28 Aug, 2014 Trip spans 23 days
United
United
SEA
02:00
LHR
18:45
16h 45m
1 stop
LHR
04:40
SEA
22:16
17h 36m
1 stop
Depart: Thu, 7 Aug, 2014 Return: Thu, 21 Aug, 2014 Trip spans 15 days
Air Canada
Air Canada
SEA
08:30
LHR
23:40
15h 10m
2 stops
LHR
07:05
SEA
22:47
15h 42m
2 stops
Depart: Wed, 24 Sep, 2014 Return: Mon, 6 Oct, 2014 Trip spans 13 days
EVA Air
EVA Air
SEA
22:10
LHR
07:15
33h 05m
2 stops
LHR
17:35
SEA
23:30
29h 55m
2 stops
Change your search
Direct flights SEA - LON on British Airways
Flight No. Departure SEA Arrival LHR Sun Mon Tue Wed Thu Fri Sat Valid between
52 13:35 06:50 31 Jul - 2 Oct
52 13:50 07:05 6 Sep - 18 Oct
52 13:50 07:05 16 Aug - 30 Aug
52 13:50 07:05 2 Aug - 9 Aug
52 14:00 07:15 17 Aug - 5 Sep
52 14:00 07:15 1 Aug - 15 Aug
52 14:00 07:15 3 Aug - 10 Aug
48 18:45 12:00 3 Sep - 10 Sep
48 18:45 12:00 1 Sep - 16 Sep
48 18:45 12:00 29 Jul - 31 Aug
Airports
Origin

Seattle
£874
Destination

London
£874