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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: Wed, 24 Sep, 2014 Return: Tue, 7 Oct, 2014 Trip spans 14 days
United
United
SEA
01:30
LHR
17:55
16h 25m
2 stops
LHR
06:05
SEA
01:02
18h 57m
2 stops
Depart: Tue, 23 Sep, 2014 Return: Sun, 28 Sep, 2014 Trip spans 6 days
British Airways
British Airways
SEA
19:55
LHR
10:45
14h 50m
2 stops
LHR
15:10
SEA
22:00
30h 50m
2 stops
Depart: Thu, 9 Oct, 2014 Return: Sun, 12 Oct, 2014 Trip spans 4 days
Air Canada
Air Canada
SEA
12:15
LHR
23:40
11h 25m
1 stop
LHR
06:05
SEA
21:37
15h 32m
1 stop
Depart: Wed, 8 Oct, 2014 Return: Fri, 10 Oct, 2014 Trip spans 3 days
Icelandair
Icelandair
SEA
12:30
LGW
23:45
11h 15m
1 stop
LGW
09:10
SEA
21:45
12h 35m
1 stop
Depart: Tue, 7 Oct, 2014 Return: Thu, 9 Oct, 2014 Trip spans 3 days
Icelandair
Icelandair
SEA
12:30
LHR
08:10
19h 40m
1 stop
LHR
09:00
SEA
21:45
12h 45m
1 stop
Depart: Fri, 10 Oct, 2014 Return: Mon, 13 Oct, 2014 Trip spans 4 days
Icelandair
Icelandair
SEA
12:30
LHR
08:10
19h 40m
1 stop
LHR
09:00
SEA
21:45
12h 45m
1 stop
Depart: Sun, 5 Oct, 2014 Return: Thu, 9 Oct, 2014 Trip spans 5 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 28 Aug - 2 Oct
52 13:50 07:05 6 Sep - 18 Oct
52 14:00 07:15 7 Sep - 5 Oct
52 14:00 07:15 24 Aug - 5 Sep
52 14:00 07:15 3 Oct - 3 Oct
52 14:00 07:15 12 Sep - 26 Sep
48 18:45 12:00 2 Oct - 7 Oct
48 18:45 12:00 30 Sep - 1 Oct
48 18:45 12:00 1 Sep - 16 Sep
48 18:45 12:00 3 Sep - 10 Sep
48 18:45 12:00 17 Sep - 29 Sep
48 18:45 12:00 23 Sep - 23 Sep
Airports
Origin

Seattle
£788
Destination

London
only £1193
only £788