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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: Thu, 2 Oct, 2014 Return: Sun, 12 Oct, 2014 Trip spans 11 days
US Airways
US Airways
LHR
10:25
SEA
16:07
29h 42m
1 stop
SEA
09:10
LHR
23:25
14h 15m
1 stop
Depart: Mon, 6 Oct, 2014 Return: Tue, 14 Oct, 2014 Trip spans 9 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: Wed, 8 Oct, 2014 Return: Sun, 12 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: Sun, 5 Oct, 2014 Return: Sun, 26 Oct, 2014 Trip spans 22 days
US Airways
US Airways
LHR
10:25
SEA
16:07
29h 42m
1 stop
SEA
04:35
LHR
22:25
17h 50m
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, 7 Oct, 2014 Return: Sun, 19 Oct, 2014 Trip spans 13 days
United
United
LHR
06:25
SEA
01:58
19h 33m
1 stop
SEA
07:19
LHR
00:15
16h 56m
1 stop
Depart: Sun, 14 Sep, 2014 Return: Thu, 16 Oct, 2014 Trip spans 33 days
United
United
LHR
06:25
SEA
02:08
19h 43m
1 stop
SEA
07:17
LHR
00:15
16h 58m
1 stop
Depart: Wed, 1 Oct, 2014 Return: Thu, 30 Oct, 2014 Trip spans 30 days
United
United
LHR
06:25
SEA
01:58
19h 33m
1 stop
SEA
09:19
LHR
00:30
15h 11m
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, 31 Aug, 2014 Return: Sun, 28 Sep, 2014 Trip spans 29 days
Delta
Delta
LHR
08:35
SEA
18:44
10h 09m
1 stop
SEA
06:30
LHR
23:30
17h 00m
1 stop
Depart: Fri, 3 Oct, 2014 Return: Fri, 10 Oct, 2014 Trip spans 8 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: Sun, 7 Sep, 2014 Return: Sun, 14 Sep, 2014 Trip spans 8 days
United
United
LHR
06:25
SEA
02:08
19h 43m
1 stop
SEA
07:59
LHR
00:15
16h 16m
1 stop
Depart: Tue, 16 Sep, 2014 Return: Tue, 23 Sep, 2014 Trip spans 8 days
United
United
LHR
06:25
SEA
02:08
19h 43m
2 stops
SEA
04:00
LHR
21:20
17h 20m
2 stops
Depart: Mon, 8 Sep, 2014 Return: Sun, 14 Sep, 2014 Trip spans 7 days
United
United
LHR
06:25
SEA
02:08
19h 43m
1 stop
SEA
17:32
LHR
09:20
15h 48m
1 stop
Depart: Wed, 3 Sep, 2014 Return: Sun, 7 Sep, 2014 Trip spans 5 days
United
United
LHR
06:35
SEA
02:08
19h 33m
1 stop
SEA
07:59
LHR
00:15
16h 16m
1 stop
Depart: Mon, 1 Sep, 2014 Return: Tue, 9 Sep, 2014 Trip spans 9 days
United
United
LHR
06:35
SEA
02:08
19h 33m
2 stops
SEA
03:41
LHR
19:40
15h 59m
2 stops
Depart: Tue, 2 Sep, 2014 Return: Tue, 9 Sep, 2014 Trip spans 8 days
United
United
LHR
06:35
SEA
02:08
19h 33m
2 stops
SEA
03:41
LHR
19:40
15h 59m
2 stops
Depart: Thu, 18 Sep, 2014 Return: Fri, 26 Sep, 2014 Trip spans 9 days
United
United
LHR
06:25
SEA
02:08
19h 43m
2 stops
SEA
04:03
LHR
19:40
15h 37m
2 stops
Depart: Thu, 4 Sep, 2014 Return: Wed, 24 Sep, 2014 Trip spans 21 days
United
United
LHR
04:40
SEA
20:05
15h 25m
2 stops
SEA
06:58
LHR
22:10
15h 12m
2 stops
Depart: Mon, 29 Sep, 2014 Return: Tue, 7 Oct, 2014 Trip spans 9 days
United
United
LHR
04:40
SEA
22:16
17h 36m
1 stop
SEA
17:32
LHR
09:20
15h 48m
1 stop
Change your search
Airports
Origin

London
£657
Destination

Seattle
£657