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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, 13 Sep, 2014 Return: Thu, 25 Sep, 2014 Trip spans 13 days
United
United
SEA
15:05
LHR
09:20
18h 15m
2 stops
LHR
08:00
SEA
02:28
18h 28m
2 stops
Depart: Sun, 14 Sep, 2014 Return: Thu, 25 Sep, 2014 Trip spans 12 days
American Airlines
American Airlines
SEA
07:15
LHR
02:20
19h 05m
1 stop
LHR
10:00
SEA
12:45
26h 45m
1 stop
Depart: Thu, 28 Aug, 2014 Return: Fri, 5 Sep, 2014 Trip spans 9 days
Air Canada
Air Canada
SEA
04:00
LHR
23:05
19h 05m
1 stop
LHR
07:05
SEA
21:37
14h 32m
1 stop
Depart: Wed, 30 Jul, 2014 Return: Wed, 3 Sep, 2014 Trip spans 36 days
United
United
SEA
12:15
LHR
23:40
11h 25m
1 stop
LHR
04:40
SEA
19:58
15h 18m
1 stop
Depart: Sat, 2 Aug, 2014 Return: Sat, 9 Aug, 2014 Trip spans 8 days
United
United
SEA
04:25
LHR
21:20
16h 55m
1 stop
LHR
14:00
SEA
15:59
25h 59m
1 stop
Depart: Fri, 1 Aug, 2014 Return: Sat, 9 Aug, 2014 Trip spans 9 days
US Airways
US Airways
SEA
20:20
LHR
19:50
23h 30m
2 stops
LHR
02:50
SEA
22:52
20h 02m
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 24 Jul - 2 Oct
52 13:50 07:05 16 Aug - 30 Aug
52 13:50 07:05 19 Jul - 9 Aug
52 14:00 07:15 20 Jul - 10 Aug
52 14:00 07:15 25 Jul - 15 Aug
52 14:00 07:15 17 Aug - 5 Sep
48 18:45 12:00 19 Jul - 31 Aug
Airports
Origin

Seattle
£852
Destination

London
£852