Browse Origins:
Browse Destinations:

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: Sun Nov 1 2015 Return: Tue Nov 10 2015 Trip spans 10 days
Icelandair
Icelandair
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
LHR
3:35p
SEA
7:40p
28h 05m
1 stop
Depart: Fri Nov 6 2015 Return: Sun Dec 6 2015 Trip spans 31 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 14 2015 Return: Fri Nov 27 2015 Trip spans 14 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: Sun Nov 22 2015 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: Thu Nov 19 2015 Return: Mon Nov 30 2015 Trip spans 12 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: Tue Dec 1 2015 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: Sun Nov 22 2015 Return: Sat Dec 5 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 25 2015 Return: Sun Nov 29 2015 Trip spans 5 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 15 2015 Return: Sat Nov 21 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: Fri Nov 20 2015 Return: Mon Nov 30 2015 Trip spans 11 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 Nov 21 2015 Return: Tue Dec 15 2015 Trip spans 25 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 Nov 24 2015 Return: Tue Dec 8 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: Sun Oct 25 2015 Return: Wed Nov 11 2015 Trip spans 18 days
Icelandair
Icelandair
SEA
12:30p
LHR
12:30a
12h 00m
1 stop
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
Depart: Thu Oct 29 2015 Return: Thu Nov 5 2015 Trip spans 8 days
$1111
Select
United
United
SEA
12:10p
LHR
12:50a
12h 40m
1 stop
LHR
9:25a
SEA
9:31p
12h 06m
1 stop
Depart: Tue Nov 10 2015 Return: Wed Nov 18 2015 Trip spans 9 days
$1178
Select
Major Airline
Major Airline
SEA
2:00p
LHR
12:00a
10h 00m
nonstop
LHR
8:00a
SEA
6:00p
10h 00m
nonstop
Depart: Tue Sep 22 2015 Return: Sun Oct 4 2015 Trip spans 13 days
$1202
Select
Aeroflot
Aeroflot
SEA
6:45p
LHR
12:05a
29h 20m
2 stops
LHR
9:25a
SEA
11:12p
37h 47m
2 stops
Depart: Mon Sep 14 2015 Return: Thu Sep 24 2015 Trip spans 11 days
$1205
Select
Virgin Atlantic
Virgin Atlantic
SEA
3:10p
LHR
1:00a
9h 50m
nonstop
LHR
9:05a
SEA
7:33p
10h 28m
nonstop
Depart: Sat Sep 19 2015 Return: Tue Sep 29 2015 Trip spans 11 days
$1229
Select
Air Canada
Air Canada
SEA
3:15p
LHR
9:00a
17h 45m
2 stops
LHR
6:05a
SEA
7:46p
13h 41m
1 stop
Depart: Sun Jun 7 2015 Return: Mon Jun 22 2015 Trip spans 16 days
$1340
Select
Delta
Delta
SEA
3:30a
LHR
7:20p
15h 50m
2 stops
LHR
7:00a
SEA
3:39a
20h 39m
2 stops
Depart: Sat Oct 24 2015 Return: Wed Nov 11 2015 Trip spans 19 days
$6237
Select
EVA Air
EVA Air
SEA
9:50p
LHR
8:10a
34h 20m
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 21 - Jun 3
37 7:15 pm 1:00 pm Jun 4 - Jun 29
37 7:20 pm 1:00 pm Jun 30 - Aug 31
Airports
Origin

Seattle
$917
Destination

London
$917