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Find flight deals from United Kingdom to Seattle

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

Book cheap flights to Seattle

(Round-trip)
Depart: Sat, 27 Sep, 2014 Return: Sun, 26 Oct, 2014 Trip spans 30 days
Delta
Delta
LHR
08:35
SEA
18:50
10h 15m
1 stop
SEA
09:21
LHR
01:00
15h 39m
1 stop
Depart: Fri, 26 Sep, 2014 Return: Sun, 28 Sep, 2014 Trip spans 3 days
Delta
Delta
LHR
08:35
SEA
18:50
10h 15m
1 stop
SEA
06:30
LHR
23:30
17h 00m
1 stop
Depart: Wed, 17 Sep, 2014 Return: Wed, 1 Oct, 2014 Trip spans 15 days
United
United
LHR
06:25
SEA
02:08
19h 43m
1 stop
SEA
07:17
LHR
00:15
16h 58m
1 stop
Depart: Sun, 14 Sep, 2014 Return: Wed, 1 Oct, 2014 Trip spans 18 days
United
United
LHR
06:25
SEA
02:08
19h 43m
1 stop
SEA
07:17
LHR
00:15
16h 58m
1 stop
Depart: Sun, 21 Sep, 2014 Return: Wed, 1 Oct, 2014 Trip spans 11 days
United
United
LHR
06:25
SEA
01:56
19h 31m
1 stop
SEA
07:17
LHR
00:15
16h 58m
1 stop
Depart: Wed, 1 Oct, 2014 Return: Wed, 8 Oct, 2014 Trip spans 8 days
United
United
LHR
06:25
SEA
01:58
19h 33m
1 stop
SEA
07:17
LHR
00:15
16h 58m
1 stop
Depart: Wed, 10 Sep, 2014 Return: Wed, 1 Oct, 2014 Trip spans 22 days
United
United
LHR
06:25
SEA
22:51
16h 26m
1 stop
SEA
07:17
LHR
00:15
16h 58m
1 stop
Depart: Tue, 9 Sep, 2014 Return: Thu, 18 Sep, 2014 Trip spans 10 days
United
United
LHR
03:50
SEA
21:11
17h 21m
2 stops
SEA
03:41
LHR
21:20
17h 39m
2 stops
Depart: Sun, 7 Sep, 2014 Return: Wed, 1 Oct, 2014 Trip spans 25 days
United
United
LHR
06:25
SEA
02:08
19h 43m
1 stop
SEA
07:17
LHR
00:15
16h 58m
1 stop
Depart: Mon, 29 Sep, 2014 Return: Mon, 24 Nov, 2014 Trip spans 57 days
United
United
LHR
03:50
SEA
00:53
21h 03m
2 stops
SEA
13:16
LHR
08:25
19h 09m
2 stops
Depart: Mon, 15 Sep, 2014 Return: Thu, 2 Oct, 2014 Trip spans 18 days
Delta
Delta
LHR
10:25
SEA
03:05
16h 40m
direct
SEA
14:33
LHR
00:05
9h 32m
direct
Depart: Mon, 1 Sep, 2014 Return: Mon, 29 Sep, 2014 Trip spans 29 days
United
United
LHR
03:50
SEA
21:24
17h 34m
2 stops
SEA
01:30
LHR
20:35
19h 05m
2 stops
Depart: Thu, 4 Sep, 2014 Return: Sun, 14 Sep, 2014 Trip spans 11 days
Delta
Delta
LHR
07:15
SEA
00:34
17h 19m
direct
SEA
14:33
LHR
00:05
9h 32m
direct
Depart: Fri, 5 Sep, 2014 Return: Tue, 9 Sep, 2014 Trip spans 5 days
Delta
Delta
LHR
07:15
SEA
00:34
17h 19m
direct
SEA
14:33
LHR
00:05
9h 32m
direct
Depart: Sat, 6 Sep, 2014 Return: Tue, 9 Sep, 2014 Trip spans 4 days
Delta
Delta
LHR
05:35
SEA
02:34
20h 59m
direct
SEA
14:33
LHR
00:05
9h 32m
direct
Depart: Wed, 24 Sep, 2014 Return: Wed, 1 Oct, 2014 Trip spans 8 days
United
United
LHR
06:25
SEA
02:31
20h 06m
1 stop
SEA
07:17
LHR
00:15
16h 58m
1 stop
Depart: Tue, 16 Sep, 2014 Return: Tue, 23 Sep, 2014 Trip spans 8 days
US Airways
US Airways
LHR
10:25
SEA
16:08
29h 43m
1 stop
SEA
03:10
LHR
19:50
16h 40m
1 stop
Depart: Tue, 23 Sep, 2014 Return: Tue, 30 Sep, 2014 Trip spans 8 days
US Airways
US Airways
LHR
10:25
SEA
16:08
29h 43m
1 stop
SEA
06:59
LHR
23:25
16h 26m
1 stop
Depart: Fri, 12 Sep, 2014 Return: Tue, 16 Sep, 2014 Trip spans 5 days
US Airways
US Airways
LHR
06:05
SEA
02:42
20h 37m
1 stop
SEA
06:59
LHR
23:25
16h 26m
1 stop
Depart: Mon, 8 Sep, 2014 Return: Sat, 20 Sep, 2014 Trip spans 13 days
US Airways
US Airways
LHR
06:05
SEA
22:56
16h 51m
1 stop
SEA
06:59
LHR
19:50
36h 51m
1 stop
Change your search
Airports
Origin

London
£832
Destination

Seattle
£832