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Find flight deals from Seattle/Tacoma Intl to London (SEA - LON)

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

Book cheap flights from Seattle/Tacoma Intl to London

(Round-trip)
Depart: Fri 22 May 2015 Return: Sun 31 May 2015 Trip spans 10 days
£970
Select
United
United
SEA
06:25
LHR
23:05
16h 40m
2 stops
LHR
11:00
SEA
05:00
18h 00m
2 stops
Depart: Wed 24 Jun 2015 Return: Wed 8 Jul 2015 Trip spans 15 days
£978
Select
United
United
SEA
07:29
LHR
23:05
15h 36m
2 stops
LHR
04:30
SEA
22:34
18h 04m
2 stops
Depart: Tue 23 Jun 2015 Return: Tue 7 Jul 2015 Trip spans 15 days
£980
Select
Air Canada
Air Canada
SEA
05:55
LHR
21:35
15h 40m
1 stop
LHR
07:05
SEA
22:43
15h 38m
2 stops
Depart: Thu 25 Jun 2015 Return: Tue 7 Jul 2015 Trip spans 13 days
£996
Select
Air Canada
Air Canada
SEA
05:55
LHR
23:50
17h 55m
1 stop
LHR
07:05
SEA
22:43
15h 38m
2 stops
Depart: Sat 27 Jun 2015 Return: Tue 7 Jul 2015 Trip spans 11 days
£996
Select
Air Canada
Air Canada
SEA
05:55
LHR
23:50
17h 55m
1 stop
LHR
07:05
SEA
22:43
15h 38m
2 stops
Depart: Mon 22 Jun 2015 Return: Tue 7 Jul 2015 Trip spans 16 days
£1010
Select
Air Canada
Air Canada
SEA
08:45
LHR
23:50
15h 05m
2 stops
LHR
07:05
SEA
20:48
13h 43m
2 stops
Depart: Sun 21 Jun 2015 Return: Wed 8 Jul 2015 Trip spans 18 days
£1019
Select
United
United
SEA
13:15
LHR
09:00
19h 45m
2 stops
LHR
04:30
SEA
22:34
18h 04m
2 stops
Depart: Fri 26 Jun 2015 Return: Thu 9 Jul 2015 Trip spans 14 days
£1047
Select
United
United
SEA
13:15
LHR
09:00
19h 45m
2 stops
LHR
04:30
SEA
22:34
18h 04m
2 stops
Depart: Wed 13 May 2015 Return: Mon 18 May 2015 Trip spans 6 days
£1186
Select
Air France
Air France
SEA
15:13
LHR
01:00
9h 47m
nonstop
LHR
09:05
SEA
19:18
10h 13m
nonstop
Depart: Sat 20 Jun 2015 Return: Tue 7 Jul 2015 Trip spans 18 days
£1260
Select
US Airways
US Airways
SEA
20:40
LHR
10:10
13h 30m
1 stop
LHR
06:15
SEA
22:54
16h 39m
1 stop
Direct flights SEA - LON on British Airways
Flight No. Departure SEA Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
52 13:40 06:55 9 Apr - 22 Oct
52 14:00 07:10 10 Apr - 23 Oct
52 14:00 07:15 11 Apr - 18 Oct
48 19:15 12:30 7 Apr - 23 Oct
Airports
Origin

Seattle
£970
Destination

London
£970