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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: Sat, 25 Oct, 2014 Return: Sun, 2 Nov, 2014 Trip spans 9 days
Delta
Delta
SEA
18:19
LHR
09:10
14h 51m
direct
LHR
08:00
SEA
18:29
10h 29m
direct
Depart: Sat, 4 Oct, 2014 Return: Tue, 7 Oct, 2014 Trip spans 4 days
Brussels Airlines
Brussels Airlines
SEA
09:07
LHR
21:25
36h 18m
2 stops
LHR
02:50
SEA
22:01
19h 11m
2 stops
Depart: Fri, 24 Oct, 2014 Return: Sat, 1 Nov, 2014 Trip spans 9 days
United
United
SEA
17:32
LHR
09:20
15h 48m
2 stops
LHR
05:30
SEA
02:54
22h 24m
2 stops
Depart: Thu, 23 Oct, 2014 Return: Sat, 25 Oct, 2014 Trip spans 3 days
Austrian Airlines
Austrian Airlines
SEA
04:35
LHR
09:30
28h 55m
2 stops
LHR
15:30
SEA
00:51
33h 21m
2 stops
Depart: Fri, 26 Sep, 2014 Return: Sun, 28 Sep, 2014 Trip spans 3 days
Brussels Airlines
Brussels Airlines
SEA
06:31
LHR
09:35
27h 04m
2 stops
LHR
06:05
SEA
00:20
42h 15m
2 stops
Depart: Sun, 19 Oct, 2014 Return: Sat, 25 Oct, 2014 Trip spans 7 days
Austrian Airlines
Austrian Airlines
SEA
04:27
LHR
09:30
29h 03m
2 stops
LHR
15:30
SEA
00:51
33h 21m
2 stops
Depart: Mon, 20 Oct, 2014 Return: Sat, 25 Oct, 2014 Trip spans 6 days
Austrian Airlines
Austrian Airlines
SEA
03:45
LHR
09:30
29h 45m
2 stops
LHR
15:30
SEA
00:51
33h 21m
2 stops
Depart: Wed, 22 Oct, 2014 Return: Sat, 25 Oct, 2014 Trip spans 4 days
Austrian Airlines
Austrian Airlines
SEA
03:45
LHR
02:20
22h 35m
2 stops
LHR
15:30
SEA
00:51
33h 21m
2 stops
Depart: Sun, 5 Oct, 2014 Return: Sat, 11 Oct, 2014 Trip spans 7 days
Brussels Airlines
Brussels Airlines
SEA
06:36
LHR
09:35
26h 59m
2 stops
LHR
06:05
SEA
22:22
40h 17m
2 stops
Depart: Wed, 8 Oct, 2014 Return: Sat, 11 Oct, 2014 Trip spans 4 days
Brussels Airlines
Brussels Airlines
SEA
03:45
LHR
09:35
29h 50m
2 stops
LHR
06:05
SEA
22:22
40h 17m
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 23 Oct - 23 Oct
52 13:35 06:50 16 Oct - 16 Oct
52 13:35 06:50 9 Oct - 9 Oct
52 13:35 06:50 18 Sep - 2 Oct
52 13:50 06:05 25 Oct - 25 Oct
52 13:50 07:05 20 Sep - 18 Oct
52 14:00 07:15 19 Sep - 26 Sep
52 14:00 07:15 10 Oct - 12 Oct
52 14:00 07:15 24 Oct - 24 Oct
52 14:00 07:15 21 Sep - 5 Oct
52 14:00 07:15 3 Oct - 3 Oct
52 14:00 07:15 19 Oct - 19 Oct
52 14:00 07:15 17 Oct - 17 Oct
52 15:05 07:30 26 Oct - 31 Oct
48 18:45 12:00 2 Oct - 7 Oct
48 18:45 12:00 8 Oct - 24 Oct
48 18:45 12:00 30 Sep - 1 Oct
48 18:45 12:00 18 Sep - 29 Sep
48 19:00 11:30 26 Oct - 30 Oct
48 19:05 11:35 25 Oct - 1 Nov
Airports
Origin

Seattle
£775
Destination

London
only £529
only £775