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

Depart
Return
1 adult
Adults
18+
Youths
12-17
Children
2-11
Seat infants
under 2
Lap infants
under 2
The price shown for each flight will be the average for all passengers, including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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: Sat 19 Nov 2016 Return: Sat 3 Dec 2016 Trip spans 15 days
£463
Select
Icelandair
Icelandair
LHR
SEA
11h 40m
1 stop
SEA
LHR
12h 00m
1 stop
Depart: Mon 22 Aug 2016 Return: Sun 28 Aug 2016 Trip spans 7 days
£516
Select
Iberia
Iberia
LHR
SEA
16h 55m
1 stop
SEA
LHR
22h 36m
1 stop
Depart: Wed 23 Nov 2016 Return: Wed 30 Nov 2016 Trip spans 8 days
£527
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
10h 31m
nonstop
SEA
LHR
9h 58m
nonstop
Depart: Fri 26 Aug 2016 Return: Fri 23 Sep 2016 Trip spans 29 days
£534
Select
Finnair
Finnair
LHR
SEA
9h 35m
nonstop
SEA
LHR
9h 15m
nonstop
Depart: Tue 6 Sep 2016 Return: Sun 11 Sep 2016 Trip spans 6 days
£537
Select
Air Canada
Air Canada
LHR
SEA
12h 54m
1 stop
SEA
LHR
12h 10m
1 stop
Depart: Tue 30 Aug 2016 Return: Tue 20 Sep 2016 Trip spans 22 days
£575
Select
Air France
Air France
LHR
SEA
10h 22m
nonstop
SEA
LHR
9h 50m
nonstop
Depart: Thu 18 Aug 2016 Return: Mon 5 Sep 2016 Trip spans 19 days
£575
Select
British Airways
British Airways
LHR
SEA
9h 35m
nonstop
SEA
LHR
9h 20m
nonstop
Depart: Fri 4 Nov 2016 Return: Wed 9 Nov 2016 Trip spans 6 days
£465
Select
Icelandair
Icelandair
LHR
SEA
11h 55m
1 stop
SEA
LHR
12h 00m
1 stop
Depart: Sun 28 Aug 2016 Return: Sat 10 Sep 2016 Trip spans 14 days
£525
Select
Iberia
Iberia
LHR
SEA
9h 35m
nonstop
SEA
LHR
20h 05m
1 stop
Depart: Tue 23 Aug 2016 Return: Sat 3 Sep 2016 Trip spans 12 days
£532
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
10h 22m
nonstop
SEA
LHR
9h 50m
nonstop
Depart: Sat 27 Aug 2016 Return: Tue 13 Sep 2016 Trip spans 18 days
£534
Select
Finnair
Finnair
LHR
SEA
9h 35m
nonstop
SEA
LHR
9h 15m
nonstop
Depart: Fri 2 Sep 2016 Return: Sun 18 Sep 2016 Trip spans 17 days
£575
Select
Air France
Air France
LHR
SEA
10h 32m
nonstop
SEA
LHR
9h 50m
nonstop
Depart: Tue 11 Oct 2016 Return: Mon 17 Oct 2016 Trip spans 7 days
£528
Select
Iberia
Iberia
LHR
SEA
9h 35m
nonstop
SEA
LHR
23h 46m
1 stop
Depart: Mon 5 Sep 2016 Return: Sun 18 Sep 2016 Trip spans 14 days
£534
Select
Finnair
Finnair
LHR
SEA
9h 35m
nonstop
SEA
LHR
9h 15m
nonstop
Depart: Fri 19 Aug 2016 Return: Sat 24 Sep 2016 Trip spans 37 days
£535
Select
Finnair
Finnair
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 15m
nonstop
Depart: Tue 13 Sep 2016 Return: Sun 25 Sep 2016 Trip spans 13 days
£564
Select
Iberia
Iberia
LHR
SEA
20h 28m
2 stops
SEA
LHR
9h 15m
nonstop
Depart: Tue 10 May 2016 Return: Thu 19 May 2016 Trip spans 10 days
£634
Select
Icelandair
Icelandair
LHR
SEA
13h 05m
1 stop
SEA
LHR
11h 15m
1 stop
Depart: Mon 3 Oct 2016 Return: Thu 3 Nov 2016 Trip spans 32 days
£535
Select
Finnair
Finnair
LHR
SEA
9h 35m
nonstop
SEA
LHR
9h 20m
nonstop
Depart: Thu 19 May 2016 Return: Mon 23 May 2016 Trip spans 5 days
£663
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
10h 18m
nonstop
SEA
LHR
9h 49m
nonstop
Depart: Tue 31 May 2016 Return: Mon 13 Jun 2016 Trip spans 14 days
£704
Select
Air France
Air France
LHR
SEA
10h 18m
nonstop
SEA
LHR
9h 58m
nonstop
Direct flights LHR - SEA on British Airways
Flight # Depart LHR Arrive SEA Mon Tue Wed Thu Fri Sat Sun Valid between
53 09:25 11:00 10 Jun - 28 Oct
53 09:25 11:00 29 Apr - 3 Jun
53 09:45 11:20 5 Jun - 5 Jun
53 09:45 11:20 4 Jun - 11 Jun
53 09:45 11:20 28 Apr - 2 Jun
49 15:25 17:05 29 Apr - 28 Oct
49 15:30 17:05 28 Apr - 29 Oct
* We make every attempt to get accurate prices and fees; however, prices and fees are not guaranteed, and may be subject to last minute changes over which we have no control.
Airports
Origin

London
£463
Destination

Seattle
£463