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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: Mon Dec 7 2015 Trip spans 4 days
United
United
SEA
6:40p
LHR
5:50p
23h 10m
1 stop
LHR
1:30a
SEA
3:20p
13h 50m
1 stop
Depart: Mon Nov 2 2015 Return: Mon Nov 16 2015 Trip spans 15 days
Air Canada
Air Canada
SEA
11:10a
LHR
10:15p
11h 05m
1 stop
LHR
9:25a
SEA
9:31p
12h 06m
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: Wed Dec 9 2015 Return: Thu Dec 17 2015 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: Tue Oct 27 2015 Return: Tue Nov 3 2015 Trip spans 8 days
Finnair
Finnair
SEA
3:00p
LHR
12:30a
9h 30m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Fri Oct 30 2015 Return: Mon Nov 16 2015 Trip spans 18 days
$1021
Select
British Airways
British Airways
SEA
11:05a
LHR
8:30p
9h 25m
nonstop
LHR
4:20a
SEA
2:05p
9h 45m
nonstop
Depart: Fri Dec 18 2015 Return: Fri Dec 25 2015 Trip spans 8 days
$1027
Select
Virgin Atlantic
Virgin Atlantic
SEA
1:54p
LHR
12:05a
10h 11m
nonstop
LHR
8:00a
SEA
6:51p
10h 51m
nonstop
Depart: Tue Dec 22 2015 Return: Tue Jan 5 2016 Trip spans 15 days
$1033
Select
Major Airline
Major Airline
SEA
1:54p
LHR
12:05a
10h 11m
nonstop
LHR
8:00a
SEA
6:58p
10h 58m
nonstop
Depart: Fri Jul 10 2015 Return: Tue Sep 1 2015 Trip spans 54 days
$1735
Select
Air Europa
Air Europa
SEA
7:15a
LGW
4:15a
21h 00m
2 stops
LGW
6:10a
SEA
11:53p
41h 43m
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
$807
Destination

London
only $807
only $961