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: Mon 6 Feb 2017 Return: Mon 20 Feb 2017 Trip spans 15 days
£386
Select
Icelandair
Icelandair
LHR
SEA
12h 00m
1 stop
SEA
LHR
11h 45m
1 stop
Depart: Tue 10 Jan 2017 Return: Tue 24 Jan 2017 Trip spans 15 days
£399
Select
Major Airline
Major Airline
LHR
SEA
12h 00m
1 stop
SEA
LHR
11h 45m
1 stop
Depart: Wed 16 Nov 2016 Return: Thu 24 Nov 2016 Trip spans 9 days
£469
Select
British Airways
British Airways
LHR
SEA
9h 50m
nonstop
SEA
LHR
9h 30m
nonstop
Depart: Sat 29 Oct 2016 Return: Sun 6 Nov 2016 Trip spans 9 days
£497
Select
Air Canada
Air Canada
LHR
SEA
32h 34m
1 stop
SEA
LHR
30h 15m
1 stop
Depart: Sat 5 Nov 2016 Return: Tue 15 Nov 2016 Trip spans 11 days
£519
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
10h 31m
nonstop
SEA
LHR
9h 58m
nonstop
Depart: Thu 19 Jan 2017 Return: Tue 31 Jan 2017 Trip spans 13 days
£399
Select
Icelandair
Icelandair
LHR
SEA
12h 00m
1 stop
SEA
LHR
11h 45m
1 stop
Depart: Fri 3 Mar 2017 Return: Sat 11 Mar 2017 Trip spans 9 days
£401
Select
Icelandair
Icelandair
LHR
SEA
12h 00m
1 stop
SEA
LHR
11h 45m
1 stop
Depart: Tue 21 Mar 2017 Return: Wed 29 Mar 2017 Trip spans 9 days
£406
Select
Icelandair
Icelandair
LHR
SEA
12h 00m
1 stop
SEA
LHR
11h 15m
1 stop
Depart: Mon 12 Dec 2016 Return: Sat 7 Jan 2017 Trip spans 27 days
£419
Select
Icelandair
Icelandair
LHR
SEA
12h 00m
1 stop
SEA
LHR
20h 00m
1 stop
Depart: Fri 7 Oct 2016 Return: Sat 22 Oct 2016 Trip spans 16 days
£562
Select
Air Canada
Air Canada
LHR
SEA
14h 02m
1 stop
SEA
LHR
12h 10m
1 stop
Depart: Mon 5 Dec 2016 Return: Tue 13 Dec 2016 Trip spans 9 days
£475
Select
Icelandair
Icelandair
LHR
SEA
12h 00m
1 stop
SEA
LHR
11h 45m
1 stop
Depart: Fri 30 Sep 2016 Return: Mon 10 Oct 2016 Trip spans 11 days
£923
Select
Major Airline
Major Airline
LHR
SEA
12h 35m
nonstop
SEA
LHR
11h 15m
nonstop
Depart: Sun 18 Dec 2016 Return: Fri 30 Dec 2016 Trip spans 13 days
£701
Select
Icelandair
Icelandair
LHR
SEA
28h 05m
1 stop
SEA
LHR
11h 45m
1 stop
Depart: Tue 20 Dec 2016 Return: Mon 2 Jan 2017 Trip spans 14 days
£712
Select
Icelandair
Icelandair
LHR
SEA
12h 00m
1 stop
SEA
LHR
11h 45m
1 stop
Direct flights LHR - SEA on British Airways
Flight no. Depart LHR Arrive SEA Mon Tue Wed Thu Fri Sat Sun Valid between
53 08:45 11:35 3 Nov - 5 Nov
53 09:25 11:00 30 Sep - 28 Oct
53 09:45 11:20 24 Sep - 29 Oct
49 14:25 17:15 30 Oct - 5 Nov
49 15:25 17:05 30 Sep - 28 Oct
49 15:30 17:05 24 Sep - 29 Oct
* We 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
£386
Destination

Seattle
£386
Airlines Airline reviews

52 travellers who booked a flight to Seattle from London rated their chosen airline with an average of 7.9

Overall
8.1
Boarding
8.0
Crew
8.6
Comfort
7.2
Food
7.7
Entertainment
7.7