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Find Flight Deals from Seattle/Tacoma Intl to London Heathrow (SEA - LHR)

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

Book cheap flights from Seattle/Tacoma Intl to London Heathrow

(Round-trip)
Depart: Mon Nov 9 2015 Return: Wed Nov 18 2015 Trip spans 10 days
Icelandair
Icelandair
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Wed Nov 11 2015 Return: Tue Nov 17 2015 Trip spans 7 days
Icelandair
Icelandair
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Sat Nov 21 2015 Return: Sat Nov 28 2015 Trip spans 8 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 13 2015 Return: Tue Nov 3 2015 Trip spans 22 days
Icelandair
Icelandair
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Fri Nov 13 2015 Return: Sat Nov 21 2015 Trip spans 9 days
Icelandair
Icelandair
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Wed Nov 18 2015 Return: Tue Nov 24 2015 Trip spans 7 days
Icelandair
Icelandair
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Sat Oct 17 2015 Return: Sat Oct 31 2015 Trip spans 15 days
Icelandair
Icelandair
SEA
12:15p
LHR
11:45p
11h 30m
1 stop
LHR
4:35p
SEA
7:40p
28h 05m
1 stop
Depart: Sun Oct 18 2015 Return: Sun Nov 1 2015 Trip spans 15 days
Icelandair
Icelandair
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Tue Oct 20 2015 Return: Tue Oct 27 2015 Trip spans 8 days
Icelandair
Icelandair
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
LHR
4:35p
SEA
8:40p
28h 05m
1 stop
Depart: Wed Oct 21 2015 Return: Fri Oct 30 2015 Trip spans 10 days
Icelandair
Icelandair
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
LHR
9:00a
SEA
8:40p
11h 40m
1 stop
Depart: Fri Oct 23 2015 Return: Fri Nov 6 2015 Trip spans 15 days
Icelandair
Icelandair
SEA
12:30p
LHR
8:10a
19h 40m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Sat Nov 7 2015 Return: Sat Nov 21 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 Aug 25 2015 Return: Mon Sep 7 2015 Trip spans 14 days
$1108
Select
Air Canada
Air Canada
SEA
12:15p
LHR
11:40p
11h 25m
1 stop
LHR
7:05a
SEA
9:39p
14h 34m
1 stop
Depart: Fri May 8 2015 Return: Wed May 13 2015 Trip spans 6 days
$1146
Select
Aeroflot
Aeroflot
SEA
3:10a
LHR
8:05a
28h 55m
2 stops
LHR
6:45p
SEA
2:02a
31h 17m
2 stops
Depart: Mon Sep 7 2015 Return: Wed Sep 23 2015 Trip spans 17 days
$1172
Select
Virgin Atlantic
Virgin Atlantic
SEA
3:10p
LHR
1:00a
9h 50m
nonstop
LHR
9:05a
SEA
7:33p
10h 28m
nonstop
Depart: Fri Jun 26 2015 Return: Fri Jul 10 2015 Trip spans 15 days
$1201
Select
American Airlines
American Airlines
SEA
9:05a
LHR
11:25p
14h 20m
1 stop
LHR
6:15a
SEA
1:06a
18h 51m
1 stop
Depart: Sat Sep 26 2015 Return: Mon Sep 28 2015 Trip spans 3 days
$1206
Select
United
United
SEA
9:20a
LHR
12:20a
15h 00m
1 stop
LHR
2:30a
SEA
3:30p
13h 00m
1 stop
Depart: Sun Aug 23 2015 Return: Tue Sep 15 2015 Trip spans 24 days
$1215
Select
Delta
Delta
SEA
8:40p
LHR
11:05p
26h 25m
1 stop
LHR
5:40a
SEA
2:55a
21h 15m
2 stops
Depart: Tue May 12 2015 Return: Thu May 28 2015 Trip spans 17 days
$1348
Select
Major Airline
Major Airline
SEA
7:00a
LHR
8:00p
13h 00m
1 stop
LHR
5:00a
SEA
9:00p
16h 00m
1 stop
Depart: Thu Oct 15 2015 Return: Sun Nov 1 2015 Trip spans 18 days
$6230
Select
EVA Air
EVA Air
SEA
9:50p
LHR
7:15a
33h 25m
2 stops
LHR
4:20p
SEA
9:10p
28h 50m
2 stops
Direct flights SEA to LHR on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
37 7:13 pm 1:00 pm May 2 - Jun 3
37 7:15 pm 1:00 pm Jun 4 - Jun 29
Airports
Origin

Seattle
$958
Destination

London
$958