Find Deals on Flights from Seattle to London Airport

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
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:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle to London Airport

(Round-trip)
Depart: Mon Dec 12 2016 Return: Wed Dec 14 2016 Trip spans 3 days
Air Canada
Air Canada
SEA
3:10a
YXU
10:48a
7h 38m
1 stop
YXU
10:35a
SEA
7:14p
8h 39m
1 stop
Depart: Fri Dec 23 2016 Return: Mon Dec 26 2016 Trip spans 4 days
$1149
Select
Major Airline
Major Airline
SEA
12:40p
YXU
6:59a
18h 19m
2 stops
YXU
5:05a
SEA
9:20a
28h 15m
2 stops
Depart: Thu Dec 22 2016 Return: Mon Dec 26 2016 Trip spans 5 days
$1222
Select
Major Airline
Major Airline
SEA
9:40p
YXU
1:31a
27h 51m
2 stops
YXU
5:05a
SEA
9:20a
28h 15m
2 stops
* 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.

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$805
Destination

London
$805
Airlines