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Find Deals on Flights 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: Sat 21 Nov 2015 Return: Fri 27 Nov 2015 Trip spans 7 days
£446
Select
Icelandair
Icelandair
MAN
07:25
SEA
19:40
12h 15m
1 stop
SEA
10:30
MAN
21:35
11h 05m
1 stop
Depart: Tue 2 Jun 2015 Return: Tue 9 Jun 2015 Trip spans 8 days
£452
Select
Delta
Delta
LHR
09:00
SEA
01:32
16h 32m
1 stop
SEA
15:15
LHR
01:00
9h 45m
nonstop
Depart: Sun 29 Nov 2015 Return: Mon 7 Dec 2015 Trip spans 9 days
£468
Select
Icelandair
Icelandair
GLA
08:20
SEA
19:40
11h 20m
1 stop
SEA
10:30
GLA
20:40
10h 10m
1 stop
Depart: Fri 9 Oct 2015 Return: Sun 18 Oct 2015 Trip spans 10 days
£506
Select
Icelandair
Icelandair
LGW
09:10
SEA
21:55
12h 45m
1 stop
SEA
12:30
LGW
23:45
11h 15m
1 stop
Depart: Tue 20 Oct 2015 Return: Tue 27 Oct 2015 Trip spans 8 days
£512
Select
Icelandair
Icelandair
LHR
17:10
SEA
21:45
28h 35m
1 stop
SEA
12:30
LHR
08:30
20h 00m
1 stop
Depart: Fri 20 Nov 2015 Return: Fri 4 Dec 2015 Trip spans 15 days
£546
Select
SAS
SAS
MAN
13:35
SEA
14:30
48h 55m
2 stops
SEA
03:05
MAN
20:40
17h 35m
2 stops
Depart: Mon 8 Jun 2015 Return: Sat 20 Jun 2015 Trip spans 13 days
£583
Select
Iberia
Iberia
LHR
13:15
SEA
23:54
34h 39m
1 stop
SEA
01:00
LHR
10:45
33h 45m
1 stop
Depart: Sat 20 Jun 2015 Return: Wed 24 Jun 2015 Trip spans 5 days
£583
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
17:00
SEA
15:09
22h 09m
1 stop
SEA
14:01
LHR
03:00
12h 59m
1 stop
Depart: Tue 9 Jun 2015 Return: Tue 16 Jun 2015 Trip spans 8 days
£592
Select
United
United
LHR
03:30
SEA
23:59
20h 29m
2 stops
SEA
20:27
LHR
23:20
26h 53m
1 stop
Depart: Mon 15 Jun 2015 Return: Mon 22 Jun 2015 Trip spans 8 days
£592
Select
Virgin Atlantic
Virgin Atlantic
LGW
07:20
SEA
22:45
15h 25m
1 stop
SEA
15:09
LGW
22:25
31h 16m
1 stop
Depart: Fri 12 Jun 2015 Return: Tue 16 Jun 2015 Trip spans 5 days
£605
Select
Virgin Atlantic
Virgin Atlantic
LHR
09:05
SEA
19:11
10h 06m
nonstop
SEA
15:15
LHR
01:00
9h 45m
nonstop
Depart: Sun 21 Jun 2015 Return: Mon 29 Jun 2015 Trip spans 9 days
£617
Select
Air France
Air France
LHR
05:45
SEA
18:50
13h 05m
1 stop
SEA
15:15
LHR
01:00
9h 45m
nonstop
Depart: Fri 11 Sep 2015 Return: Fri 25 Sep 2015 Trip spans 15 days
£618
Select
Aer Lingus
Aer Lingus
MAN
04:00
SEA
02:22
22h 22m
2 stops
SEA
06:53
MAN
23:15
16h 22m
2 stops
Depart: Wed 14 Oct 2015 Return: Mon 19 Oct 2015 Trip spans 6 days
£632
Select
American Airlines
American Airlines
LHR
10:00
SEA
05:23
19h 23m
1 stop
SEA
08:00
LHR
02:20
18h 20m
1 stop
Depart: Wed 23 Sep 2015 Return: Sat 3 Oct 2015 Trip spans 11 days
£641
Select
Aer Lingus
Aer Lingus
LGW
05:10
SEA
02:22
21h 12m
2 stops
SEA
02:45
LGW
00:10
21h 25m
2 stops
Depart: Thu 3 Sep 2015 Return: Thu 10 Sep 2015 Trip spans 8 days
£651
Select
Delta
Delta
MAN
01:55
SEA
21:10
19h 15m
2 stops
SEA
03:15
MAN
22:00
18h 45m
1 stop
Depart: Thu 17 Sep 2015 Return: Tue 22 Sep 2015 Trip spans 6 days
£669
Select
SAS
SAS
LHR
10:05
SEA
13:42
27h 37m
2 stops
SEA
02:00
LHR
21:35
19h 35m
2 stops
Depart: Sat 28 Nov 2015 Return: Mon 7 Dec 2015 Trip spans 10 days
£705
Select
KLM Royal Dutch
KLM Royal Dutch
GLA
01:00
SEA
14:35
13h 35m
1 stop
SEA
06:15
GLA
00:00
17h 45m
2 stops
Depart: Thu 9 Jul 2015 Return: Thu 23 Jul 2015 Trip spans 15 days
£876
Select
Air Canada
Air Canada
EDI
04:20
SEA
20:48
16h 28m
2 stops
SEA
02:30
EDI
18:45
16h 15m
2 stops
Depart: Sun 12 Jul 2015 Return: Wed 5 Aug 2015 Trip spans 25 days
£1005
Select
American Airlines
American Airlines
BHX
04:45
SEA
03:16
22h 31m
2 stops
SEA
13:40
BHX
18:55
29h 15m
2 stops
Airports
Origin

London
only £452
only £506
Manchester
£446
Glasgow
£468
Edinburgh
£876
Birmingham
£1005
Destination

Seattle
£446