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Find Flight Deals 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: Wed Oct 14 2015 Return: Fri Oct 30 2015 Trip spans 17 days
Icelandair
Icelandair
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
LHR
9:00a
SEA
8:40p
11h 40m
1 stop
Depart: Sat Oct 3 2015 Return: Fri Oct 9 2015 Trip spans 7 days
Icelandair
Icelandair
SEA
12:15p
LGW
11:45p
11h 30m
1 stop
LGW
9:10a
SEA
9:55p
12h 45m
1 stop
Depart: Sun May 10 2015 Return: Sun May 24 2015 Trip spans 15 days
$1075
Select
US Airways
US Airways
SEA
9:10a
LHR
11:25p
14h 15m
1 stop
LHR
6:15a
SEA
1:02a
18h 47m
1 stop
Depart: Thu May 14 2015 Return: Sat May 30 2015 Trip spans 17 days
$1085
Select
Air Canada
Air Canada
SEA
12:15p
LHR
11:40p
11h 25m
1 stop
LHR
6:05a
SEA
6:01p
11h 56m
1 stop
Depart: Tue May 5 2015 Return: Sun May 24 2015 Trip spans 20 days
$1098
Select
British Airways
British Airways
SEA
3:15p
LHR
12:30a
9h 15m
nonstop
LHR
5:55a
SEA
3:30p
9h 35m
nonstop
Depart: Mon Apr 20 2015 Return: Mon May 11 2015 Trip spans 22 days
$1103
Select
Major Airline
Major Airline
SEA
6:58p
LGW
8:25p
25h 27m
2 stops
LGW
6:40a
SEA
5:00a
22h 20m
2 stops
Depart: Thu May 7 2015 Return: Wed May 13 2015 Trip spans 7 days
$1103
Select
Major Airline
Major Airline
SEA
7:10a
LHR
11:25p
16h 15m
1 stop
LHR
6:15a
SEA
1:02a
18h 47m
1 stop
Depart: Sun Apr 26 2015 Return: Sat May 30 2015 Trip spans 35 days
$1118
Select
American Airlines
American Airlines
SEA
10:00a
LHR
7:15p
9h 15m
nonstop
LHR
6:15a
SEA
1:02a
18h 47m
1 stop
Depart: Sun Sep 27 2015 Return: Tue Sep 29 2015 Trip spans 3 days
$1134
Select
United
United
SEA
1:45a
LHR
7:40p
17h 55m
2 stops
LHR
3:30a
SEA
12:31a
21h 01m
2 stops
Depart: Sun Apr 5 2015 Return: Wed Apr 22 2015 Trip spans 18 days
$1183
Select
Aeroflot
Aeroflot
SEA
6:49p
LHR
12:05a
29h 16m
2 stops
LHR
6:45p
SEA
2:14a
31h 29m
2 stops
Depart: Sat May 23 2015 Return: Sat Jun 6 2015 Trip spans 15 days
$1215
Select
Lufthansa
Lufthansa
SEA
10:30a
LHR
11:40p
13h 10m
1 stop
LHR
2:50a
SEA
10:43p
19h 53m
2 stops
Depart: Mon Apr 6 2015 Return: Sun Apr 26 2015 Trip spans 21 days
$1267
Select
Air Europa
Air Europa
SEA
7:25a
LGW
4:20a
20h 55m
2 stops
LGW
1:15p
SEA
2:14a
60h 59m
2 stops
Depart: Mon Apr 13 2015 Return: Mon Apr 27 2015 Trip spans 15 days
$1379
Select
Delta
Delta
SEA
10:39a
LHR
4:50a
18h 11m
1 stop
LHR
11:45a
SEA
1:48p
26h 03m
1 stop
Depart: Sat Jun 13 2015 Return: Sat Jun 20 2015 Trip spans 8 days
$1431
Select
Virgin Atlantic
Virgin Atlantic
SEA
3:15p
LHR
1:00a
9h 45m
nonstop
LHR
9:05a
SEA
7:11p
10h 06m
nonstop
Depart: Sun Oct 18 2015 Return: Mon Oct 26 2015 Trip spans 9 days
$6250
Select
EVA Air
EVA Air
SEA
9:50p
LHR
7:15a
33h 25m
2 stops
LHR
5:20p
SEA
10:10p
28h 50m
2 stops
Direct flights SEA to LON on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
37 7:10 pm 1:00 pm Apr 1 - Apr 30
37 7:13 pm 1:00 pm May 1 - Jun 3
Airports
Origin

Seattle
$955
Destination

London
only $955
only $957