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Find Deals on Flights from Seattle/Tacoma Intl to London (SEA - LON)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to London

(Round-trip)
Depart: Fri Dec 4 2015 Return: Sun Dec 6 2015 Trip spans 3 days
United
United
SEA
6:40p
LHR
9:00a
14h 20m
1 stop
LHR
8:30a
SEA
3:20p
30h 50m
1 stop
Depart: Thu Nov 26 2015 Return: Thu Dec 3 2015 Trip spans 8 days
Air Canada
Air Canada
SEA
7:35a
LHR
10:15p
14h 40m
1 stop
LHR
9:25a
SEA
9:29p
12h 04m
1 stop
Depart: Sat Nov 14 2015 Return: Mon Nov 16 2015 Trip spans 3 days
Lufthansa
Lufthansa
SEA
4:25a
LHR
10:15p
17h 50m
1 stop
LHR
1:30a
SEA
6:45p
17h 15m
2 stops
Depart: Sat Jan 9 2016 Return: Sun Jan 17 2016 Trip spans 9 days
Icelandair
Icelandair
SEA
10:30a
LGW
10:15p
11h 45m
1 stop
LGW
7:30a
SEA
7:40p
12h 10m
1 stop
Depart: Tue Nov 10 2015 Return: Tue Nov 24 2015 Trip spans 15 days
Icelandair
Icelandair
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Sun Nov 1 2015 Return: Mon Nov 16 2015 Trip spans 16 days
Brussels Airlines
Brussels Airlines
SEA
3:05a
LHR
9:05p
18h 00m
2 stops
LHR
1:50a
SEA
11:25p
21h 35m
2 stops
Depart: Tue Dec 8 2015 Return: Mon Dec 14 2015 Trip spans 7 days
British Airways
British Airways
SEA
1:00p
LHR
10:30p
9h 30m
nonstop
LHR
4:20a
SEA
2:05p
9h 45m
nonstop
Depart: Mon Nov 9 2015 Return: Mon Nov 16 2015 Trip spans 8 days
Finnair
Finnair
SEA
9:05a
LHR
6:30p
9h 25m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Sun Oct 4 2015 Return: Tue Oct 20 2015 Trip spans 17 days
$1048
Select
American Airlines
American Airlines
SEA
3:15p
LHR
12:30a
9h 15m
nonstop
LHR
11:30a
SEA
9:05p
9h 35m
nonstop
Depart: Tue Sep 15 2015 Return: Tue Sep 29 2015 Trip spans 15 days
$1051
Select
Delta
Delta
SEA
3:10p
LHR
1:00a
9h 50m
nonstop
LHR
9:05a
SEA
7:33p
10h 28m
nonstop
Depart: Thu Sep 24 2015 Return: Mon Sep 28 2015 Trip spans 5 days
$1054
Select
US Airways
US Airways
SEA
7:07a
LHR
11:25p
16h 18m
1 stop
LHR
6:15a
SEA
1:00a
18h 45m
1 stop
Depart: Thu Dec 31 2015 Return: Sun Jan 10 2016 Trip spans 11 days
$1566
Select
Iberia
Iberia
SEA
2:23a
LGW
6:35a
28h 12m
2 stops
LGW
3:15p
SEA
12:25a
33h 10m
2 stops
Direct flights SEA to LON on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
37 7:20 pm 1:00 pm Jun 30 - Aug 31
Airports
Origin

Seattle
$821
Destination

London
only $821
only $936