Find Deals on Flights to Seattle/Tacoma Intl

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 to Seattle/Tacoma Intl

(Round-trip)
Depart: Sun 19 Feb 2017 Return: Mon 27 Feb 2017 Trip spans 9 days
Depart: Sun 19 Feb 2017 Return: Mon 27 Feb 2017 Trip spans 9 days
Depart: Sun 19 Feb 2017 Return: Tue 4 Apr 2017 Trip spans 44 days
Depart: Thu 29 Dec 2016 Return: Mon 9 Jan 2017 Trip spans 12 days
Depart: Wed 1 Feb 2017 Return: Wed 22 Mar 2017 Trip spans 49 days
Depart: Sat 22 Oct 2016 Return: Tue 1 Nov 2016 Trip spans 11 days
Depart: Sat 29 Oct 2016 Return: Sat 5 Nov 2016 Trip spans 8 days
Depart: Sun 16 Oct 2016 Return: Fri 28 Oct 2016 Trip spans 13 days
Depart: Sat 28 Jan 2017 Return: Sat 11 Feb 2017 Trip spans 15 days
Depart: Sat 27 Aug 2016 Return: Fri 9 Sep 2016 Trip spans 14 days
Depart: Fri 26 Aug 2016 Return: Wed 31 Aug 2016 Trip spans 6 days
Depart: Mon 19 Dec 2016 Return: Tue 10 Jan 2017 Trip spans 23 days
Depart: Sat 29 Oct 2016 Return: Sat 5 Nov 2016 Trip spans 8 days
Depart: Sat 27 Aug 2016 Return: Fri 2 Sep 2016 Trip spans 7 days
Depart: Wed 16 Nov 2016 Return: Tue 22 Nov 2016 Trip spans 7 days
Depart: Tue 6 Dec 2016 Return: Thu 29 Dec 2016 Trip spans 24 days
Depart: Fri 18 Nov 2016 Return: Tue 29 Nov 2016 Trip spans 12 days
Depart: Tue 27 Dec 2016 Return: Tue 3 Jan 2017 Trip spans 8 days
Depart: Sat 28 Jan 2017 Return: Sat 11 Feb 2017 Trip spans 15 days
Depart: Tue 22 Nov 2016 Return: Tue 29 Nov 2016 Trip spans 8 days
* 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 £352
only £478
only £331
Manchester
£352
Birmingham
£397
Destination

Seattle
£331