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Find flight deals from United Kingdom to Seattle/Tacoma Intl

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

Book cheap flights to Seattle/Tacoma Intl

(Round-trip)
Depart: Thu 5 Mar 2015 Return: Thu 12 Mar 2015 Trip spans 7 days
Icelandair
Icelandair
LGW
07:30
SEA
19:40
12h 10m
1 stop
SEA
12:30
LGW
00:15
11h 45m
1 stop
Depart: Tue 27 Jan 2015 Return: Thu 5 Feb 2015 Trip spans 10 days
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
06:30
20h 00m
1 stop
Depart: Tue 10 Feb 2015 Return: Tue 17 Feb 2015 Trip spans 8 days
US Airways
US Airways
LHR
11:05
SEA
02:25
15h 20m
1 stop
SEA
09:37
LHR
22:35
12h 58m
1 stop
Depart: Wed 11 Feb 2015 Return: Sun 22 Feb 2015 Trip spans 12 days
Iberia
Iberia
LHR
07:35
SEA
00:59
17h 24m
1 stop
SEA
03:51
LHR
17:45
13h 54m
1 stop
Depart: Sun 22 Feb 2015 Return: Sun 22 Mar 2015 Trip spans 28 days
Delta
Delta
LHR
10:00
SEA
02:42
16h 42m
1 stop
SEA
18:45
LHR
09:10
14h 25m
1 stop
Depart: Thu 29 Jan 2015 Return: Mon 2 Feb 2015 Trip spans 5 days
Lufthansa
Lufthansa
LHR
03:20
SEA
23:53
20h 33m
2 stops
SEA
09:05
LHR
23:45
14h 40m
1 stop
Depart: Wed 14 Jan 2015 Return: Sat 28 Feb 2015 Trip spans 46 days
SAS
SAS
LHR
01:40
SEA
00:32
22h 52m
2 stops
SEA
01:03
LHR
03:00
25h 57m
2 stops
Depart: Wed 25 Mar 2015 Return: Wed 8 Apr 2015 Trip spans 15 days
KLM Royal Dutch
KLM Royal Dutch
LHR
09:00
SEA
12:35
339h 35m
2 stops
SEA
15:15
LHR
01:05
9h 50m
nonstop
Depart: Wed 7 Jan 2015 Return: Wed 14 Jan 2015 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
LGW
06:20
SEA
18:39
36h 19m
1 stop
SEA
04:55
LGW
21:35
16h 40m
1 stop
Depart: Wed 24 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 8 days
Air Canada
Air Canada
LHR
08:00
SEA
11:59
27h 59m
2 stops
SEA
04:25
LHR
22:15
17h 50m
1 stop
Depart: Sun 11 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 8 days
United
United
LHR
03:40
SEA
01:13
21h 33m
2 stops
SEA
07:55
LHR
22:30
14h 35m
1 stop
Depart: Fri 26 Dec 2014 Return: Thu 29 Jan 2015 Trip spans 35 days
Multiple Airlines
Multiple Airlines
LHR
08:00
SEA
18:21
10h 21m
nonstop
SEA
07:33
LHR
23:00
15h 27m
1 stop
Depart: Tue 6 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 23 days
American Airlines
American Airlines
LHR
07:35
SEA
00:59
17h 24m
1 stop
SEA
06:28
LHR
20:15
13h 47m
1 stop
Depart: Tue 30 Dec 2014 Return: Mon 26 Jan 2015 Trip spans 28 days
Air France
Air France
LHR
08:00
SEA
18:21
10h 21m
nonstop
SEA
06:15
LHR
20:00
13h 45m
1 stop
Depart: Sun 28 Dec 2014 Return: Mon 26 Jan 2015 Trip spans 30 days
British Airways
British Airways
LHR
04:20
SEA
14:05
9h 45m
nonstop
SEA
09:05
LHR
18:30
9h 25m
nonstop
Depart: Wed 8 Apr 2015 Return: Tue 14 Apr 2015 Trip spans 7 days
KLM Royal Dutch
KLM Royal Dutch
GLA
12:55
SEA
15:19
26h 24m
1 stop
SEA
09:43
GLA
04:05
18h 22m
1 stop
Depart: Sat 2 May 2015 Return: Sat 16 May 2015 Trip spans 15 days
Iberia
Iberia
LGW
15:35
SEA
23:53
32h 18m
2 stops
SEA
03:00
LGW
07:00
28h 00m
2 stops
Depart: Sat 16 May 2015 Return: Sat 23 May 2015 Trip spans 8 days
Air France
Air France
MAN
15:50
SEA
15:35
23h 45m
1 stop
SEA
09:09
MAN
22:20
13h 11m
1 stop
Depart: Thu 9 Apr 2015 Return: Tue 14 Apr 2015 Trip spans 6 days
American Airlines
American Airlines
GLA
03:50
SEA
01:29
21h 39m
2 stops
SEA
03:00
GLA
23:30
20h 30m
2 stops
Depart: Sun 18 Jan 2015 Return: Thu 22 Jan 2015 Trip spans 5 days
Aeroflot
Aeroflot
LHR
05:55
SEA
00:42
42h 47m
2 stops
SEA
02:12
LHR
21:35
43h 23m
2 stops
Change your search
Airports
Origin

London
only £502
only £485
Manchester
£717
Glasgow
£671
Destination

Seattle
£485