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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: Mon 15 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 24 days
United
United
SEA
03:45
LHR
22:30
18h 45m
2 stops
LHR
05:30
SEA
03:45
22h 15m
2 stops
Depart: Sun 14 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 25 days
United
United
SEA
08:33
LHR
22:30
13h 57m
1 stop
LHR
05:30
SEA
22:40
17h 10m
2 stops
Depart: Tue 16 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 15 days
US Airways
US Airways
SEA
02:00
LHR
17:20
15h 20m
1 stop
LHR
06:40
SEA
23:53
17h 13m
1 stop
Depart: Fri 12 Dec 2014 Return: Fri 19 Dec 2014 Trip spans 8 days
United
United
SEA
03:45
LHR
22:30
18h 45m
2 stops
LHR
06:40
SEA
04:52
22h 12m
1 stop
Depart: Thu 11 Dec 2014 Return: Fri 19 Dec 2014 Trip spans 9 days
Delta
Delta
SEA
04:50
LHR
23:00
18h 10m
1 stop
LHR
08:00
SEA
18:21
10h 21m
nonstop
Depart: Thu 27 Nov 2014 Return: Mon 1 Dec 2014 Trip spans 5 days
United
United
SEA
02:05
LHR
20:25
18h 20m
2 stops
LHR
05:30
SEA
22:57
17h 27m
2 stops
Depart: Tue 25 Nov 2014 Return: Sat 29 Nov 2014 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SEA
04:10
LHR
19:25
15h 15m
1 stop
LHR
15:25
SEA
15:07
23h 42m
1 stop
Depart: Mon 29 Dec 2014 Return: Sat 3 Jan 2015 Trip spans 6 days
Brussels Airlines
Brussels Airlines
SEA
01:10
LHR
08:10
31h 00m
2 stops
LHR
06:15
SEA
20:40
38h 25m
2 stops
Depart: Sat 20 Dec 2014 Return: Sun 21 Dec 2014 Trip spans 2 days
Multiple Airlines
Multiple Airlines
SEA
04:25
LHR
22:15
17h 50m
1 stop
LHR
14:30
SEA
15:15
24h 45m
1 stop
Depart: Sun 28 Dec 2014 Return: Sat 3 Jan 2015 Trip spans 7 days
Brussels Airlines
Brussels Airlines
SEA
01:10
LHR
08:10
31h 00m
2 stops
LHR
06:15
SEA
20:40
38h 25m
2 stops
Depart: Fri 19 Dec 2014 Return: Sun 21 Dec 2014 Trip spans 3 days
US Airways
US Airways
SEA
20:00
LHR
17:30
21h 30m
1 stop
LHR
07:05
SEA
00:15
17h 10m
1 stop
Depart: Wed 26 Nov 2014 Return: Mon 1 Dec 2014 Trip spans 6 days
EVA Air
EVA Air
SEA
20:00
LHR
06:10
34h 10m
2 stops
LHR
16:20
SEA
21:10
28h 50m
2 stops
Depart: Wed 10 Dec 2014 Return: Fri 19 Dec 2014 Trip spans 10 days
EVA Air
EVA Air
SEA
20:00
LHR
06:10
34h 10m
2 stops
LHR
16:20
SEA
21:10
28h 50m
2 stops
Change your search
Direct flights SEA - LON on British Airways
Flight No. Departure SEA Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
52 14:05 07:30 30 Nov - 30 Nov
52 14:05 07:30 12 Dec - 21 Dec
52 14:05 07:30 8 Dec - 15 Dec
52 14:05 07:30 28 Dec - 4 Jan
52 14:05 07:30 1 Dec - 7 Dec
48 18:00 11:30 28 Dec - 5 Mar
48 18:00 11:30 20 Nov - 24 Dec
48 18:05 11:35 21 Nov - 7 Mar
Airports
Origin

Seattle
£683
Destination

London
£683