Find Deals on Flights from London Heathrow to Seattle/Tacoma Intl (LHR - SEA)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
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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Book cheap flights from London Heathrow to Seattle/Tacoma Intl

(Round-trip)
Depart: Sat Feb 4 2017 Return: Mon Feb 13 2017 Trip spans 10 days
Depart: Sat Feb 4 2017 Return: Wed Feb 22 2017 Trip spans 19 days
Depart: Fri Dec 2 2016 Return: Thu Dec 15 2016 Trip spans 14 days
Depart: Fri Sep 23 2016 Return: Sun Sep 25 2016 Trip spans 3 days
Depart: Sat Jan 7 2017 Return: Sun Jan 15 2017 Trip spans 9 days
Depart: Tue Sep 27 2016 Return: Wed Oct 5 2016 Trip spans 9 days
Depart: Sat Jan 14 2017 Return: Fri Jan 20 2017 Trip spans 7 days
Depart: Wed Nov 23 2016 Return: Fri Nov 25 2016 Trip spans 3 days
Depart: Sat Dec 3 2016 Return: Fri Dec 9 2016 Trip spans 7 days
Depart: Sat Nov 19 2016 Return: Sat Nov 26 2016 Trip spans 8 days
Depart: Mon Oct 31 2016 Return: Sun Nov 20 2016 Trip spans 21 days
Depart: Wed Aug 31 2016 Return: Fri Sep 9 2016 Trip spans 10 days
Depart: Mon Nov 21 2016 Return: Sun Nov 27 2016 Trip spans 7 days
Direct flights LHR to SEA on Delta
Flight # Depart LHR Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
37 11:00 am 1:32 pm Sep 17 - Sep 24
37 11:00 am 1:32 pm Sep 18 - Sep 18
37 11:00 am 1:32 pm Sep 1 - Sep 9
37 11:00 am 1:32 pm Sep 4 - Sep 4
37 11:00 am 1:32 pm Sep 11 - Sep 16
37 11:00 am 1:32 pm Sep 10 - Sep 10
37 11:00 am 1:32 pm Oct 2 - Oct 28
37 11:00 am 1:32 pm Oct 1 - Oct 22
37 11:00 am 1:32 pm Sep 19 - Sep 30
37 11:00 am 1:32 pm Oct 4 - Oct 11
37 11:00 am 1:32 pm Sep 6 - Sep 6
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

London
$461
Destination

Seattle
$461
Airlines Airline reviews

43 travelers who booked a flight from London to Seattle rated their chosen airlines with an average of 8.1.

Overall
8.2
Boarding
8.1
Crew
8.9
Comfort
7.3
Food
8.0
Entertainment
8.1