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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: Fri 13 Mar 2015 Return: Mon 16 Mar 2015 Trip spans 4 days
Icelandair
Icelandair
LGW
08:30
SEA
20:40
12h 10m
1 stop
SEA
12:30
LGW
00:15
11h 45m
1 stop
Depart: Mon 26 Jan 2015 Return: Thu 5 Feb 2015 Trip spans 11 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 10 Mar 2015 Return: Tue 24 Mar 2015 Trip spans 15 days
SAS
SAS
LHR
17:05
SEA
21:05
28h 00m
2 stops
SEA
19:40
LHR
02:05
30h 25m
2 stops
Depart: Mon 15 Dec 2014 Return: Thu 8 Jan 2015 Trip spans 25 days
United
United
MAN
04:00
SEA
00:06
20h 06m
1 stop
SEA
00:20
MAN
18:30
18h 10m
2 stops
Depart: Thu 4 Dec 2014 Return: Thu 11 Dec 2014 Trip spans 8 days
Air Canada
Air Canada
LHR
09:25
SEA
21:29
12h 04m
1 stop
SEA
07:35
LHR
22:15
14h 40m
1 stop
Depart: Tue 9 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 30 days
United
United
LHR
02:50
SEA
23:36
20h 46m
2 stops
SEA
18:01
LHR
17:55
23h 54m
1 stop
Depart: Sun 1 Feb 2015 Return: Mon 16 Feb 2015 Trip spans 16 days
Austrian Airlines
Austrian Airlines
LHR
04:05
SEA
23:13
43h 08m
2 stops
SEA
01:03
LHR
05:40
28h 37m
2 stops
Depart: Thu 25 Dec 2014 Return: Wed 14 Jan 2015 Trip spans 21 days
KLM Royal Dutch
KLM Royal Dutch
LHR
08:00
SEA
12:34
484h 34m
2 stops
SEA
13:37
LHR
23:25
9h 48m
nonstop
Depart: Mon 1 Dec 2014 Return: Mon 8 Dec 2014 Trip spans 8 days
Air France
Air France
LHR
10:15
SEA
13:55
171h 40m
2 stops
SEA
13:42
LHR
23:25
9h 43m
nonstop
Depart: Fri 26 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 6 days
Delta
Delta
LHR
07:50
SEA
02:50
19h 00m
1 stop
SEA
01:00
LHR
23:00
22h 00m
1 stop
Depart: Tue 7 Apr 2015 Return: Mon 13 Apr 2015 Trip spans 7 days
Icelandair
Icelandair
GLA
10:05
SEA
21:45
11h 40m
1 stop
SEA
12:30
GLA
22:40
10h 10m
1 stop
Depart: Thu 18 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 14 days
British Airways
British Airways
MAN
04:55
SEA
19:05
14h 10m
1 stop
SEA
06:50
MAN
23:55
17h 05m
2 stops
Depart: Thu 11 Dec 2014 Return: Mon 5 Jan 2015 Trip spans 26 days
Multiple Airlines
Multiple Airlines
LHR
07:50
SEA
13:00
605h 10m
2 stops
SEA
13:37
LHR
23:25
9h 48m
nonstop
Depart: Wed 13 May 2015 Return: Wed 20 May 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
MAN
07:15
SEA
16:10
32h 55m
1 stop
SEA
09:40
MAN
05:05
19h 25m
1 stop
Depart: Sun 29 Mar 2015 Return: Tue 14 Apr 2015 Trip spans 17 days
American Airlines
American Airlines
LHR
03:45
SEA
19:15
15h 30m
1 stop
SEA
03:00
LHR
23:00
20h 00m
1 stop
Depart: Sun 28 Dec 2014 Return: Mon 12 Jan 2015 Trip spans 16 days
US Airways
US Airways
LHR
06:40
SEA
23:53
17h 13m
1 stop
SEA
09:37
LHR
22:35
12h 58m
1 stop
Depart: Sat 20 Dec 2014 Return: Sat 10 Jan 2015 Trip spans 22 days
Virgin Atlantic
Virgin Atlantic
EDI
13:40
SEA
18:21
28h 41m
1 stop
SEA
02:07
EDI
23:50
21h 43m
2 stops
Depart: Fri 27 Mar 2015 Return: Mon 13 Apr 2015 Trip spans 18 days
Iberia
Iberia
LHR
10:25
SEA
02:00
15h 35m
1 stop
SEA
03:00
LHR
18:20
15h 20m
1 stop
Depart: Sat 4 Apr 2015 Return: Fri 10 Apr 2015 Trip spans 7 days
British Airways
British Airways
LHR
11:00
SEA
03:35
16h 35m
1 stop
SEA
06:45
LHR
21:35
14h 50m
1 stop
Depart: Sat 16 May 2015 Return: Sat 30 May 2015 Trip spans 15 days
Aer Lingus
Aer Lingus
GLA
04:20
SEA
22:05
17h 45m
2 stops
SEA
06:56
GLA
23:05
16h 09m
2 stops
Change your search
Airports
Origin

Glasgow
£640
London
only £503
only £486
Edinburgh
£703
Manchester
£551
Destination

Seattle
£486