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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: Tue Aug 25 2015 Return: Mon Sep 14 2015 Trip spans 21 days
Icelandair
Icelandair
SEA
12:30p
LHR
8:10a
19h 40m
1 stop
LHR
9:00a
SEA
9:55p
12h 55m
1 stop
Depart: Sun Sep 13 2015 Return: Sun Oct 25 2015 Trip spans 43 days
Icelandair
Icelandair
SEA
12:30p
LGW
11:45p
11h 15m
1 stop
LGW
4:55p
SEA
8:40p
27h 45m
1 stop
Depart: Thu May 7 2015 Return: Wed May 13 2015 Trip spans 7 days
$1072
Select
US Airways
US Airways
SEA
9:40a
LHR
6:55p
9h 15m
nonstop
LHR
6:15a
SEA
1:02a
18h 47m
1 stop
Depart: Thu Apr 23 2015 Return: Mon Apr 27 2015 Trip spans 5 days
$1089
Select
Air Canada
Air Canada
SEA
12:10p
LHR
11:50p
11h 40m
1 stop
LHR
10:10a
SEA
10:30p
12h 20m
1 stop
Depart: Thu Jun 4 2015 Return: Sat Jun 6 2015 Trip spans 3 days
$1091
Select
Lufthansa
Lufthansa
SEA
8:45a
LHR
11:40p
14h 55m
1 stop
LHR
7:05a
SEA
3:30p
32h 25m
2 stops
Depart: Sun May 3 2015 Return: Thu May 7 2015 Trip spans 5 days
$1096
Select
Aer Lingus
Aer Lingus
SEA
6:58p
LGW
8:25p
25h 27m
2 stops
LGW
5:10p
SEA
5:00a
35h 50m
2 stops
Depart: Mon Apr 20 2015 Return: Tue Apr 28 2015 Trip spans 9 days
$1110
Select
Delta
Delta
SEA
9:13a
LHR
4:50a
19h 37m
1 stop
LHR
5:40a
SEA
2:10a
20h 30m
1 stop
Depart: Thu Apr 2 2015 Return: Sun Apr 5 2015 Trip spans 4 days
$1118
Select
American Airlines
American Airlines
SEA
3:15p
LHR
12:30a
9h 15m
nonstop
LHR
6:15a
SEA
1:02a
18h 47m
1 stop
Depart: Wed May 13 2015 Return: Tue May 19 2015 Trip spans 7 days
$1121
Select
United
United
SEA
8:00a
LHR
12:20a
16h 20m
1 stop
LHR
6:35a
SEA
10:13p
15h 38m
1 stop
Depart: Tue May 12 2015 Return: Tue May 19 2015 Trip spans 8 days
$1156
Select
British Airways
British Airways
SEA
3:15p
LHR
12:30a
9h 15m
nonstop
LHR
11:30a
SEA
9:05p
9h 35m
nonstop
Depart: Wed Jun 3 2015 Return: Wed Jun 17 2015 Trip spans 15 days
$1280
Select
Aeroflot
Aeroflot
SEA
3:10a
LHR
9:25a
30h 15m
2 stops
LHR
9:25a
SEA
4:22a
42h 57m
2 stops
Depart: Fri Jun 26 2015 Return: Fri Jul 3 2015 Trip spans 8 days
$1431
Select
Virgin Atlantic
Virgin Atlantic
SEA
3:15p
LHR
1:00a
9h 45m
nonstop
LHR
9:05a
SEA
7:20p
10h 15m
nonstop
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
$809
Destination

London
only $809
only $962