Browse Origins:
Browse Destinations:

Find flight deals from London Heathrow to Seattle/Tacoma Intl (LHR - SEA)

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from London Heathrow to Seattle/Tacoma Intl

(Round-trip)
Depart: Mon 2 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 21 days
US Airways
US Airways
LHR
09:25
SEA
02:25
17h 00m
1 stop
SEA
07:50
LHR
21:40
13h 50m
1 stop
Depart: Sun 1 Feb 2015 Return: Fri 6 Feb 2015 Trip spans 6 days
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Fri 13 Feb 2015 Return: Sun 1 Mar 2015 Trip spans 17 days
Multiple Airlines
Multiple Airlines
LHR
01:30
SEA
15:15
13h 45m
1 stop
SEA
14:00
LHR
22:15
32h 15m
1 stop
Depart: Mon 29 Dec 2014 Return: Mon 12 Jan 2015 Trip spans 15 days
Delta
Delta
LHR
08:00
SEA
18:21
10h 21m
nonstop
SEA
14:20
LHR
23:00
32h 40m
1 stop
Depart: Thu 8 Jan 2015 Return: Tue 13 Jan 2015 Trip spans 6 days
Iberia
Iberia
LHR
06:30
SEA
00:59
18h 29m
1 stop
SEA
02:00
LHR
17:20
15h 20m
1 stop
Depart: Tue 20 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 7 days
Lufthansa
Lufthansa
LHR
03:20
SEA
23:53
20h 33m
2 stops
SEA
09:05
LHR
22:45
13h 40m
1 stop
Depart: Wed 7 Jan 2015 Return: Wed 14 Jan 2015 Trip spans 8 days
United
United
LHR
02:30
SEA
23:20
20h 50m
2 stops
SEA
07:03
LHR
22:30
15h 27m
1 stop
Depart: Tue 23 Dec 2014 Return: Mon 29 Dec 2014 Trip spans 7 days
Air Canada
Air Canada
LHR
07:05
SEA
11:59
28h 54m
2 stops
SEA
14:00
LHR
22:15
32h 15m
1 stop
Depart: Tue 6 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 23 days
American Airlines
American Airlines
LHR
07:35
SEA
00:59
17h 24m
1 stop
SEA
06:28
LHR
20:15
13h 47m
1 stop
Depart: Wed 31 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 8 days
KLM Royal Dutch
KLM Royal Dutch
LHR
08:00
SEA
18:21
10h 21m
nonstop
SEA
04:05
LHR
19:25
15h 20m
1 stop
Depart: Tue 30 Dec 2014 Return: Wed 21 Jan 2015 Trip spans 23 days
Air France
Air France
LHR
08:00
SEA
18:21
10h 21m
nonstop
SEA
06:15
LHR
21:30
15h 15m
1 stop
Change your search
Direct flights LHR - SEA on British Airways
Flight No. Departure LHR Arrival SEA Mon Tue Wed Thu Fri Sat Sun Valid between
53 09:20 11:05 5 Jan - 8 Feb
53 09:20 11:05 28 Dec - 4 Jan
49 14:15 16:05 26 Dec - 7 Mar
Airports
Origin

London
£498
Destination

Seattle
£498