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

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

Book cheap flights from London to Seattle

(Round-trip)
Depart: Sun, 23 Nov, 2014 Return: Sun, 30 Nov, 2014 Trip spans 8 days
Icelandair
Icelandair
LGW
07:30
SEA
19:40
12h 10m
1 stop
SEA
10:30
LGW
22:15
11h 45m
1 stop
Depart: Fri, 7 Nov, 2014 Return: Wed, 12 Nov, 2014 Trip spans 6 days
Icelandair
Icelandair
LGW
07:30
SEA
19:40
12h 10m
1 stop
SEA
10:30
LGW
22:15
11h 45m
1 stop
Depart: Tue, 18 Nov, 2014 Return: Fri, 28 Nov, 2014 Trip spans 11 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Sat, 22 Nov, 2014 Return: Sat, 29 Nov, 2014 Trip spans 8 days
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Wed, 15 Oct, 2014 Return: Sun, 26 Oct, 2014 Trip spans 12 days
US Airways
US Airways
LHR
03:00
SEA
00:59
21h 59m
2 stops
SEA
04:50
LHR
22:25
17h 35m
2 stops
Depart: Wed, 22 Oct, 2014 Return: Wed, 5 Nov, 2014 Trip spans 15 days
US Airways
US Airways
LHR
03:00
SEA
00:59
21h 59m
2 stops
SEA
03:50
LHR
20:25
16h 35m
2 stops
Depart: Thu, 16 Oct, 2014 Return: Mon, 20 Oct, 2014 Trip spans 5 days
US Airways
US Airways
LHR
06:05
SEA
00:47
18h 42m
1 stop
SEA
09:10
LHR
23:25
14h 15m
1 stop
Depart: Fri, 3 Oct, 2014 Return: Mon, 6 Oct, 2014 Trip spans 4 days
US Airways
US Airways
LHR
06:05
SEA
00:47
18h 42m
1 stop
SEA
09:10
LHR
23:25
14h 15m
1 stop
Depart: Mon, 3 Nov, 2014 Return: Mon, 17 Nov, 2014 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
LHR
05:10
SEA
20:20
15h 10m
1 stop
SEA
06:10
LHR
20:00
13h 50m
1 stop
Depart: Fri, 21 Nov, 2014 Return: Sat, 13 Dec, 2014 Trip spans 23 days
US Airways
US Airways
LHR
06:40
SEA
00:00
17h 20m
1 stop
SEA
06:15
LHR
20:35
14h 20m
1 stop
Depart: Sat, 1 Nov, 2014 Return: Fri, 7 Nov, 2014 Trip spans 7 days
US Airways
US Airways
LHR
09:20
SEA
15:07
30h 47m
1 stop
SEA
03:35
LHR
20:25
16h 50m
1 stop
Depart: Thu, 23 Oct, 2014 Return: Sat, 15 Nov, 2014 Trip spans 24 days
US Airways
US Airways
LHR
10:25
SEA
16:07
29h 42m
1 stop
SEA
06:15
LHR
20:35
14h 20m
1 stop
Depart: Sat, 4 Oct, 2014 Return: Sat, 11 Oct, 2014 Trip spans 8 days
US Airways
US Airways
LHR
10:25
SEA
16:07
29h 42m
1 stop
SEA
06:59
LHR
23:25
16h 26m
1 stop
Depart: Fri, 10 Oct, 2014 Return: Mon, 3 Nov, 2014 Trip spans 25 days
US Airways
US Airways
LHR
06:05
SEA
00:47
18h 42m
1 stop
SEA
03:35
LHR
20:25
16h 50m
1 stop
Depart: Wed, 8 Oct, 2014 Return: Sat, 18 Oct, 2014 Trip spans 11 days
US Airways
US Airways
LHR
06:05
SEA
00:47
18h 42m
1 stop
SEA
06:59
LHR
23:25
16h 26m
1 stop
Depart: Thu, 6 Nov, 2014 Return: Tue, 11 Nov, 2014 Trip spans 6 days
Iberia
Iberia
LHR
04:55
SEA
21:10
16h 15m
1 stop
SEA
02:00
LHR
17:20
15h 20m
1 stop
Depart: Fri, 24 Oct, 2014 Return: Sun, 2 Nov, 2014 Trip spans 10 days
US Airways
US Airways
LHR
10:25
SEA
14:01
27h 36m
1 stop
SEA
03:35
LHR
20:25
16h 50m
1 stop
Depart: Mon, 6 Oct, 2014 Return: Thu, 16 Oct, 2014 Trip spans 11 days
US Airways
US Airways
LHR
08:15
SEA
00:59
16h 44m
1 stop
SEA
09:10
LHR
23:25
14h 15m
1 stop
Depart: Tue, 7 Oct, 2014 Return: Thu, 16 Oct, 2014 Trip spans 10 days
US Airways
US Airways
LHR
08:15
SEA
00:59
16h 44m
1 stop
SEA
09:10
LHR
23:25
14h 15m
1 stop
Depart: Thu, 9 Oct, 2014 Return: Thu, 16 Oct, 2014 Trip spans 8 days
US Airways
US Airways
LHR
08:15
SEA
00:59
16h 44m
1 stop
SEA
09:10
LHR
23:25
14h 15m
1 stop
Change your search
Direct flights LON - SEA on British Airways
Flight No. Departure LHR Arrival SEA Sun Mon Tue Wed Thu Fri Sat Valid between
53 09:20 12:05 26 Oct - 31 Oct
53 09:40 11:15 19 Oct - 19 Oct
53 09:40 11:15 17 Oct - 23 Oct
53 09:40 11:15 16 Oct - 16 Oct
53 09:40 11:15 5 Oct - 12 Oct
53 09:40 11:15 2 Oct - 2 Oct
53 09:40 11:15 24 Oct - 24 Oct
53 09:40 11:15 3 Oct - 3 Oct
53 09:45 11:20 4 Oct - 25 Oct
49 14:15 17:05 26 Oct - 1 Nov
49 15:05 16:40 30 Sep - 1 Oct
49 15:05 16:40 2 Oct - 7 Oct
49 15:05 16:40 8 Oct - 25 Oct
Airports
Origin

London
only £470
only £594
Destination

Seattle
£594