Find Cheap Flights from United Kingdom to Seattle/Tacoma Intl

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.
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 United Kingdom to Seattle/Tacoma Intl

(Round-trip)
Depart: Fri Dec 1 2017 Return: Sat Dec 9 2017 Trip spans 9 days
Icelandair
Icelandair
LGW
SEA
12h 50m
1 stop
SEA
LGW
11h 35m
1 stop
Depart: Fri Jan 19 2018 Return: Sun Jan 28 2018 Trip spans 10 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Sun Nov 12 2017 Return: Mon Dec 4 2017 Trip spans 23 days
Multiple Airlines
Multiple Airlines
LGW
SEA
9h 55m
nonstop
SEA
LGW
29h 00m
1 stop
Depart: Mon Feb 5 2018 Return: Thu Feb 22 2018 Trip spans 18 days
SWISS
SWISS
LCY
SEA
33h 14m
2 stops
SEA
LCY
22h 08m
2 stops
Depart: Wed Jan 24 2018 Return: Mon Feb 5 2018 Trip spans 13 days
KLM
KLM
GLA
SEA
13h 23m
1 stop
SEA
GLA
24h 35m
1 stop
Depart: Sun Jan 28 2018 Return: Tue Feb 6 2018 Trip spans 10 days
Air France
Air France
EDI
SEA
27h 25m
1 stop
SEA
EDI
19h 39m
1 stop
Depart: Sun Dec 3 2017 Return: Sat Dec 9 2017 Trip spans 7 days
Icelandair
Icelandair
LGW
SEA
28h 15m
1 stop
SEA
LGW
11h 35m
1 stop
Depart: Sun Jan 21 2018 Return: Sun Jan 28 2018 Trip spans 8 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Fri Dec 1 2017 Return: Sat Dec 9 2017 Trip spans 9 days
Icelandair
Icelandair
LHR
SEA
12h 35m
1 stop
SEA
LHR
12h 00m
1 stop
Depart: Mon Mar 5 2018 Return: Thu Mar 22 2018 Trip spans 17 days
Multiple Airlines
Multiple Airlines
LCY
SEA
27h 58m
2 stops
SEA
LCY
18h 35m
1 stop
Depart: Mon Jan 29 2018 Return: Mon Feb 5 2018 Trip spans 8 days
KLM
KLM
GLA
SEA
13h 23m
1 stop
SEA
GLA
18h 25m
1 stop
Depart: Wed Feb 14 2018 Return: Mon Feb 19 2018 Trip spans 6 days
Icelandair
Icelandair
LGW
SEA
12h 45m
1 stop
SEA
LGW
11h 35m
1 stop
Depart: Mon Jan 22 2018 Return: Mon Feb 5 2018 Trip spans 15 days
SWISS
SWISS
LCY
SEA
19h 29m
2 stops
SEA
LCY
18h 23m
2 stops
Depart: Wed Feb 14 2018 Return: Mon Feb 19 2018 Trip spans 6 days
Multiple Airlines
Multiple Airlines
LCY
SEA
22h 03m
2 stops
SEA
LCY
18h 35m
1 stop
Depart: Mon Jan 29 2018 Return: Sun Feb 4 2018 Trip spans 7 days
Air France
Air France
EDI
SEA
13h 45m
1 stop
SEA
EDI
19h 39m
1 stop
Depart: Tue Jan 30 2018 Return: Wed Feb 7 2018 Trip spans 9 days
KLM
KLM
GLA
SEA
13h 23m
1 stop
SEA
GLA
24h 35m
1 stop
Depart: Fri Jan 12 2018 Return: Sun Jan 21 2018 Trip spans 10 days
Icelandair
Icelandair
LGW
SEA
12h 50m
1 stop
SEA
LGW
11h 35m
1 stop
Depart: Sun Dec 24 2017 Return: Mon Dec 25 2017 Trip spans 2 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Wed Feb 21 2018 Return: Mon Feb 26 2018 Trip spans 6 days
Multiple Airlines
Multiple Airlines
LCY
SEA
20h 10m
2 stops
SEA
LCY
18h 35m
1 stop
Depart: Sat Jan 20 2018 Return: Sat Jan 27 2018 Trip spans 8 days
SWISS
SWISS
LCY
SEA
19h 29m
2 stops
SEA
LCY
18h 13m
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

London
only $451
only $517
only $437
Glasgow
$545
Edinburgh
$556
Destination

Seattle
$437