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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: Sat, 22 Nov, 2014 Return: Sat, 6 Dec, 2014 Trip spans 15 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Wed, 5 Nov, 2014 Return: Mon, 10 Nov, 2014 Trip spans 6 days
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Thu, 13 Nov, 2014 Return: Sat, 29 Nov, 2014 Trip spans 17 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Tue, 18 Nov, 2014 Return: Tue, 2 Dec, 2014 Trip spans 15 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
06:30
20h 00m
1 stop
Depart: Sat, 15 Nov, 2014 Return: Wed, 19 Nov, 2014 Trip spans 5 days
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
06:30
20h 00m
1 stop
Depart: Thu, 6 Nov, 2014 Return: Mon, 10 Nov, 2014 Trip spans 5 days
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Sun, 9 Nov, 2014 Return: Tue, 18 Nov, 2014 Trip spans 10 days
Delta
Delta
LHR
10:00
SEA
15:50
29h 50m
direct
SEA
13:54
LHR
23:25
9h 31m
direct
Depart: Sat, 1 Nov, 2014 Return: Wed, 12 Nov, 2014 Trip spans 12 days
Delta
Delta
LHR
09:00
SEA
19:29
10h 29m
1 stop
SEA
09:00
LHR
02:25
17h 25m
1 stop
Depart: Wed, 12 Nov, 2014 Return: Thu, 20 Nov, 2014 Trip spans 9 days
Delta
Delta
LHR
10:00
SEA
13:58
27h 58m
1 stop
SEA
16:55
LHR
07:10
14h 15m
1 stop
Depart: Thu, 23 Oct, 2014 Return: Tue, 28 Oct, 2014 Trip spans 6 days
Delta
Delta
LHR
08:35
SEA
18:50
10h 15m
1 stop
SEA
09:21
LHR
01:00
15h 39m
1 stop
Depart: Tue, 21 Oct, 2014 Return: Thu, 30 Oct, 2014 Trip spans 10 days
US Airways
US Airways
LHR
06:05
SEA
00:47
18h 42m
1 stop
SEA
04:35
LHR
22:25
17h 50m
1 stop
Depart: Mon, 3 Nov, 2014 Return: Wed, 26 Nov, 2014 Trip spans 24 days
US Airways
US Airways
LHR
06:40
SEA
23:47
17h 07m
1 stop
SEA
03:35
LHR
20:25
16h 50m
1 stop
Depart: Tue, 4 Nov, 2014 Return: Sat, 6 Dec, 2014 Trip spans 33 days
Delta
Delta
LHR
08:00
SEA
18:29
10h 29m
1 stop
SEA
10:45
LHR
02:25
15h 40m
1 stop
Depart: Mon, 20 Oct, 2014 Return: Wed, 29 Oct, 2014 Trip spans 10 days
US Airways
US Airways
LHR
06:05
SEA
00:47
18h 42m
1 stop
SEA
04:35
LHR
22:25
17h 50m
1 stop
Depart: Wed, 22 Oct, 2014 Return: Sat, 1 Nov, 2014 Trip spans 11 days
US Airways
US Airways
LHR
06:05
SEA
00:47
18h 42m
1 stop
SEA
06:59
LHR
19:05
37h 06m
1 stop
Depart: Sat, 8 Nov, 2014 Return: Thu, 13 Nov, 2014 Trip spans 6 days
United
United
LHR
05:25
SEA
22:51
17h 26m
1 stop
SEA
08:19
LHR
22:30
14h 11m
1 stop
Depart: Sun, 19 Oct, 2014 Return: Wed, 29 Oct, 2014 Trip spans 11 days
US Airways
US Airways
LGW
14:00
SEA
00:59
34h 59m
2 stops
SEA
04:35
LGW
07:50
27h 15m
2 stops
Depart: Fri, 24 Oct, 2014 Return: Sun, 2 Nov, 2014 Trip spans 10 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: Fri, 14 Nov, 2014 Return: Fri, 21 Nov, 2014 Trip spans 8 days
US Airways
US Airways
LHR
06:40
SEA
00:00
17h 20m
1 stop
SEA
17:20
LHR
18:05
24h 45m
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 09:20 11:05 2 Nov - 23 Nov
53 09:40 11:15 24 Oct - 24 Oct
53 09:40 11:15 19 Oct - 19 Oct
53 09:40 11:15 17 Oct - 23 Oct
53 09:40 11:15 9 Oct - 9 Oct
53 09:40 11:15 5 Oct - 12 Oct
53 09:40 11:15 16 Oct - 16 Oct
53 09:45 11:20 4 Oct - 25 Oct
49 14:15 16:05 2 Nov - 24 Dec
49 14:15 17:05 26 Oct - 1 Nov
49 15:05 16:40 8 Oct - 25 Oct
Airports
Origin

London
only £977
only £684
Destination

Seattle
£684