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Find Deals on Flights 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 Oct 26 2015 Return: Sun Nov 1 2015 Trip spans 7 days
Icelandair
Icelandair
SEA
12:30p
LHR
12:30a
12h 00m
1 stop
LHR
3:35p
SEA
7:40p
28h 05m
1 stop
Depart: Tue Nov 3 2015 Return: Sun Nov 8 2015 Trip spans 6 days
Icelandair
Icelandair
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Thu Nov 5 2015 Return: Sat Nov 21 2015 Trip spans 17 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 8 2015 Return: Wed Nov 18 2015 Trip spans 11 days
Icelandair
Icelandair
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Tue Nov 17 2015 Return: Mon Nov 30 2015 Trip spans 14 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
10:30p
12h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Wed Nov 25 2015 Return: Wed Dec 2 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: Thu Nov 26 2015 Return: Thu Dec 3 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: Sat Jan 9 2016 Return: Sun Jan 17 2016 Trip spans 9 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 Jan 13 2016 Return: Mon Jan 18 2016 Trip spans 6 days
Icelandair
Icelandair
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Fri Jan 15 2016 Return: Sat Jan 23 2016 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: Tue Jan 19 2016 Return: Tue Feb 2 2016 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: Wed Nov 4 2015 Return: Tue Nov 17 2015 Trip spans 14 days
Icelandair
Icelandair
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Fri Dec 18 2015 Return: Fri Dec 25 2015 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
SEA
1:54p
LHR
12:05a
10h 11m
nonstop
LHR
8:00a
SEA
6:51p
10h 51m
nonstop
Depart: Sat Dec 12 2015 Return: Sun Jan 3 2016 Trip spans 23 days
$1008
Select
United
United
SEA
3:00a
LHR
10:50p
19h 50m
1 stop
LHR
4:00a
SEA
12:21a
20h 21m
1 stop
Depart: Fri Oct 2 2015 Return: Sun Oct 18 2015 Trip spans 17 days
$1108
Select
US Airways
US Airways
SEA
10:00a
LHR
7:10p
9h 10m
nonstop
LHR
11:30a
SEA
9:05p
9h 35m
nonstop
Depart: Sat Oct 31 2015 Return: Sat Nov 7 2015 Trip spans 8 days
$1108
Select
Iberia
Iberia
SEA
3:05p
LHR
12:35a
9h 30m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Thu Jan 21 2016 Return: Wed Jan 27 2016 Trip spans 7 days
$1191
Select
Major Airline
Major Airline
SEA
1:00p
LHR
10:30p
9h 30m
nonstop
LHR
9:15a
SEA
7:05p
9h 50m
nonstop
Depart: Mon Aug 3 2015 Return: Wed Aug 26 2015 Trip spans 24 days
$1485
Select
Air Canada
Air Canada
SEA
5:50a
LHR
11:50p
18h 00m
1 stop
LHR
6:05a
SEA
9:39p
15h 34m
2 stops
Depart: Sun Jul 5 2015 Return: Fri Aug 28 2015 Trip spans 55 days
$1703
Select
Aeroflot
Aeroflot
SEA
3:00a
LHR
12:05a
45h 05m
2 stops
LHR
6:45p
SEA
4:16a
33h 31m
2 stops
Direct flights SEA to LHR on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
37 7:20 pm 1:00 pm Jun 30 - Aug 31
Airports
Origin

Seattle
$805
Destination

London
$805