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: Wed 23 Nov 2016 Return: Sun 27 Nov 2016 Trip spans 5 days
Depart: Wed 5 Oct 2016 Return: Tue 11 Oct 2016 Trip spans 7 days
Depart: Fri 2 Dec 2016 Return: Mon 12 Dec 2016 Trip spans 11 days
Depart: Sat 27 Aug 2016 Return: Sun 4 Sep 2016 Trip spans 9 days
Depart: Fri 11 Nov 2016 Return: Fri 18 Nov 2016 Trip spans 8 days
Depart: Thu 29 Dec 2016 Return: Sun 15 Jan 2017 Trip spans 18 days
Depart: Wed 16 Nov 2016 Return: Sun 20 Nov 2016 Trip spans 5 days
Depart: Fri 21 Oct 2016 Return: Sat 29 Oct 2016 Trip spans 9 days
Depart: Tue 13 Sep 2016 Return: Tue 27 Sep 2016 Trip spans 15 days
Depart: Sat 21 Jan 2017 Return: Thu 26 Jan 2017 Trip spans 6 days
Depart: Mon 29 Aug 2016 Return: Mon 5 Sep 2016 Trip spans 8 days
Depart: Thu 1 Sep 2016 Return: Thu 8 Sep 2016 Trip spans 8 days
Depart: Wed 2 Nov 2016 Return: Tue 15 Nov 2016 Trip spans 14 days
Depart: Fri 21 Oct 2016 Return: Sat 29 Oct 2016 Trip spans 9 days
Depart: Sat 29 Oct 2016 Return: Fri 4 Nov 2016 Trip spans 7 days
Depart: Sat 21 Jan 2017 Return: Thu 26 Jan 2017 Trip spans 6 days
Depart: Fri 14 Oct 2016 Return: Mon 31 Oct 2016 Trip spans 18 days
Depart: Thu 15 Sep 2016 Return: Wed 21 Sep 2016 Trip spans 7 days
Depart: Wed 31 Aug 2016 Return: Sun 11 Sep 2016 Trip spans 12 days
Depart: Wed 21 Sep 2016 Return: Sun 25 Sep 2016 Trip spans 5 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 29 Jul - 28 Oct
53 09:45 11:20 28 Jul - 29 Oct
49 15:25 17:05 29 Jul - 28 Oct
49 15:30 17:05 28 Jul - 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 £402
only £527
only £386
Destination

Seattle
£386