Find Deals on Flights from London to Seattle/Tacoma Intl (LON - 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 to Seattle/Tacoma Intl

(Round-trip)
Depart: Sat 4 Feb 2017 Return: Mon 13 Feb 2017 Trip spans 10 days
Depart: Thu 29 Dec 2016 Return: Mon 9 Jan 2017 Trip spans 12 days
Depart: Sun 19 Feb 2017 Return: Mon 27 Feb 2017 Trip spans 9 days
Depart: Wed 28 Dec 2016 Return: Thu 12 Jan 2017 Trip spans 16 days
Depart: Mon 31 Oct 2016 Return: Fri 18 Nov 2016 Trip spans 19 days
Depart: Sat 7 Jan 2017 Return: Sun 15 Jan 2017 Trip spans 9 days
Depart: Sat 14 Jan 2017 Return: Fri 20 Jan 2017 Trip spans 7 days
Depart: Mon 5 Sep 2016 Return: Thu 8 Sep 2016 Trip spans 4 days
Depart: Sat 7 Jan 2017 Return: Sun 15 Jan 2017 Trip spans 9 days
Depart: Sat 4 Feb 2017 Return: Mon 13 Feb 2017 Trip spans 10 days
Depart: Sun 20 Nov 2016 Return: Sun 4 Dec 2016 Trip spans 15 days
Depart: Tue 10 Jan 2017 Return: Tue 31 Jan 2017 Trip spans 22 days
Depart: Sat 7 Jan 2017 Return: Sun 15 Jan 2017 Trip spans 9 days
Depart: Tue 22 Nov 2016 Return: Sun 8 Jan 2017 Trip spans 48 days
Depart: Thu 17 Nov 2016 Return: Sat 26 Nov 2016 Trip spans 10 days
Depart: Tue 6 Dec 2016 Return: Tue 3 Jan 2017 Trip spans 29 days
Depart: Tue 30 Aug 2016 Return: Wed 31 Aug 2016 Trip spans 2 days
Depart: Mon 19 Dec 2016 Return: Tue 10 Jan 2017 Trip spans 23 days
Depart: Mon 31 Oct 2016 Return: Thu 10 Nov 2016 Trip spans 11 days
Depart: Sat 14 Jan 2017 Return: Fri 20 Jan 2017 Trip spans 7 days
Direct flights LON - SEA on British Airways
Flight # Depart LHR Arrive SEA Mon Tue Wed Thu Fri Sat Sun Valid between
53 09:25 11:00 26 Aug - 28 Oct
53 09:45 11:20 25 Aug - 29 Oct
49 15:25 17:05 26 Aug - 28 Oct
49 15:30 17:05 25 Aug - 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
only £349
only £478
only £332
Destination

Seattle
£332