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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: Wed, 3 Sep, 2014 Return: Mon, 8 Sep, 2014 Trip spans 6 days
Air Canada
Air Canada
MAN
07:45
SEA
02:55
19h 10m
2 stops
SEA
14:15
MAN
22:15
32h 00m
2 stops
Depart: Wed, 20 Aug, 2014 Return: Sat, 11 Oct, 2014 Trip spans 53 days
American Airlines
American Airlines
MAN
06:40
SEA
02:20
19h 40m
2 stops
SEA
02:15
MAN
19:50
17h 35m
2 stops
Depart: Tue, 26 Aug, 2014 Return: Thu, 18 Sep, 2014 Trip spans 24 days
United
United
LHR
06:35
SEA
02:08
19h 33m
1 stop
SEA
08:14
LHR
00:15
16h 01m
1 stop
Depart: Sat, 30 Aug, 2014 Return: Sat, 13 Sep, 2014 Trip spans 15 days
United
United
MAN
05:25
SEA
02:08
20h 43m
2 stops
SEA
08:14
MAN
19:40
35h 26m
2 stops
Depart: Tue, 19 Aug, 2014 Return: Mon, 25 Aug, 2014 Trip spans 7 days
United
United
EDI
05:25
SEA
02:08
20h 43m
2 stops
SEA
08:14
EDI
19:55
35h 41m
2 stops
Depart: Wed, 27 Aug, 2014 Return: Thu, 18 Sep, 2014 Trip spans 23 days
United
United
LHR
06:35
SEA
02:08
19h 33m
1 stop
SEA
08:14
LHR
00:15
16h 01m
1 stop
Depart: Tue, 2 Sep, 2014 Return: Tue, 16 Sep, 2014 Trip spans 15 days
Air Canada
Air Canada
LHR
04:30
SEA
02:55
22h 25m
2 stops
SEA
04:00
LHR
19:30
15h 30m
2 stops
Depart: Fri, 19 Sep, 2014 Return: Fri, 26 Sep, 2014 Trip spans 8 days
SAS
SAS
LHR
02:40
SEA
00:13
21h 33m
2 stops
SEA
02:04
LHR
21:35
19h 31m
2 stops
Depart: Fri, 22 Aug, 2014 Return: Sat, 6 Sep, 2014 Trip spans 16 days
Virgin Atlantic
Virgin Atlantic
LHR
07:15
SEA
00:55
17h 40m
direct
SEA
14:33
LHR
00:05
9h 32m
direct
Depart: Sun, 24 Aug, 2014 Return: Tue, 2 Sep, 2014 Trip spans 10 days
Delta
Delta
LHR
08:35
SEA
18:44
10h 09m
1 stop
SEA
12:23
LHR
01:35
13h 12m
1 stop
Depart: Sat, 23 Aug, 2014 Return: Sat, 6 Sep, 2014 Trip spans 15 days
United
United
LHR
06:35
SEA
02:07
19h 32m
1 stop
SEA
07:01
LHR
22:10
15h 09m
1 stop
Depart: Thu, 21 Aug, 2014 Return: Mon, 1 Sep, 2014 Trip spans 12 days
Virgin Atlantic
Virgin Atlantic
LHR
07:15
SEA
00:55
17h 40m
direct
SEA
14:39
LHR
00:05
9h 26m
direct
Depart: Mon, 18 Aug, 2014 Return: Mon, 1 Sep, 2014 Trip spans 15 days
Delta
Delta
LHR
10:25
SEA
01:05
14h 40m
1 stop
SEA
12:00
LHR
02:00
14h 00m
1 stop
Depart: Sun, 17 Aug, 2014 Return: Mon, 25 Aug, 2014 Trip spans 9 days
KLM Royal Dutch
KLM Royal Dutch
LHR
17:00
SEA
15:23
22h 23m
1 stop
SEA
14:11
LHR
03:00
12h 49m
1 stop
Depart: Thu, 14 Aug, 2014 Return: Sat, 6 Sep, 2014 Trip spans 24 days
Delta
Delta
LHR
07:15
SEA
02:48
19h 33m
1 stop
SEA
09:46
LHR
23:05
13h 19m
1 stop
Depart: Tue, 12 Aug, 2014 Return: Sun, 17 Aug, 2014 Trip spans 6 days
United
United
EDI
08:05
SEA
03:46
19h 41m
2 stops
SEA
14:41
EDI
19:55
29h 14m
2 stops
Depart: Wed, 6 Aug, 2014 Return: Thu, 14 Aug, 2014 Trip spans 9 days
Delta
Delta
LHR
10:25
SEA
00:55
14h 30m
1 stop
SEA
12:15
LHR
01:35
13h 20m
1 stop
Depart: Sat, 16 Aug, 2014 Return: Wed, 3 Sep, 2014 Trip spans 19 days
United
United
EDI
06:25
SEA
21:59
15h 34m
2 stops
SEA
14:00
EDI
21:45
31h 45m
2 stops
Depart: Fri, 15 Aug, 2014 Return: Sat, 30 Aug, 2014 Trip spans 16 days
Delta
Delta
LHR
08:35
SEA
18:44
10h 09m
1 stop
SEA
10:27
LHR
04:35
18h 08m
1 stop
Depart: Sun, 10 Aug, 2014 Return: Mon, 18 Aug, 2014 Trip spans 9 days
Delta
Delta
LHR
07:15
SEA
02:48
19h 33m
direct
SEA
14:39
LHR
00:05
9h 26m
direct
Change your search
Airports
Origin

London
£1101
Edinburgh
£968
Manchester
£1359
Destination

Seattle
£1101