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.
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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: Mon 21 Nov 2016 Return: Mon 28 Nov 2016 Trip spans 8 days
Depart: Wed 16 Nov 2016 Return: Wed 30 Nov 2016 Trip spans 15 days
Depart: Sat 3 Sep 2016 Return: Sat 17 Sep 2016 Trip spans 15 days
Depart: Fri 30 Sep 2016 Return: Fri 7 Oct 2016 Trip spans 8 days
Depart: Fri 2 Sep 2016 Return: Fri 16 Sep 2016 Trip spans 15 days
Depart: Thu 22 Sep 2016 Return: Thu 29 Sep 2016 Trip spans 8 days
Depart: Fri 26 Aug 2016 Return: Sat 17 Sep 2016 Trip spans 23 days
Depart: Mon 13 Jun 2016 Return: Mon 27 Jun 2016 Trip spans 15 days
Depart: Thu 18 Aug 2016 Return: Sat 3 Sep 2016 Trip spans 17 days
Depart: Sat 29 Oct 2016 Return: Sat 12 Nov 2016 Trip spans 15 days
Depart: Tue 22 Nov 2016 Return: Tue 29 Nov 2016 Trip spans 8 days
Depart: Tue 30 Aug 2016 Return: Sun 11 Sep 2016 Trip spans 13 days
Depart: Tue 18 Oct 2016 Return: Fri 18 Nov 2016 Trip spans 32 days
Depart: Mon 3 Oct 2016 Return: Tue 18 Oct 2016 Trip spans 16 days
Depart: Sun 18 Sep 2016 Return: Wed 28 Sep 2016 Trip spans 11 days
Depart: Tue 4 Oct 2016 Return: Tue 11 Oct 2016 Trip spans 8 days
Depart: Sat 27 Aug 2016 Return: Sat 8 Oct 2016 Trip spans 43 days
Depart: Sun 4 Sep 2016 Return: Sun 11 Sep 2016 Trip spans 8 days
Depart: Wed 5 Oct 2016 Return: Mon 17 Oct 2016 Trip spans 13 days
Depart: Mon 5 Sep 2016 Return: Sun 11 Sep 2016 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 10 Jun - 28 Oct
53 09:45 11:20 12 Jun - 29 Oct
53 09:45 11:20 5 Jun - 5 Jun
53 09:45 11:20 4 Jun - 11 Jun
49 15:25 17:05 27 May - 28 Oct
49 15:30 17:05 26 May - 23 Aug
* 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
only £524
only £507
only £448
Destination

Seattle
£448