Flights from Seattle to London

Search and find cheap flights from Seattle to London (United Kingdom, Europe)
Search and find cheap flights from Seattle to London (United Kingdom, Europe)

Looking for the best tickets for Seattle to London?

Look no more. We’ve gone through the latest 8,025,754 fares to bring you all the insights you could possibly want.
Expect to pay
722 CAD for flights from Seattle to London leaving on 2017-12-23 and returning on 2018-01-26
Low 519 CAD
722 CAD
High 2,057 CAD
Choose my own dates
Best time to book
Cheapest time to buy a ticket for Seattle — London is approximately 54 days to departure.
Normally the best deals on Seattle to London flights are available 2 to 4 months prior to departure.
Days before departure
Best month
Cheapest time of year to fly to London from Seattle is September and October. Most expensive are June and December.
Currently the cheapest days to fly this route are between December and January.
Impact on price
Cheapest airline
According to our data, Norwegian Air Shuttle, Condor and easyJet are the cheapest airlines to fly this route.
Popular airlines for this route are Norwegian Air Shuttle, Condor and easyJet.
Impact on price (additional fees may apply)
Norwegian Air Shuttle
+2%
Condor
+2%
easyJet
+3%
Westjet
+4%
Major Carrier
+4%
Major US Carrier
+7%
Best time to fly
Seattle to London flights are approximately 14% more expensive in the afternoon than in the morning.
It's generally cheaper to take morning flights from Seattle to London.
Impact on price
Cheapest day
Cheapest day of week is typically Thursday and the most expensive is typically Saturday.
Saturday is normally the most expensive day to fly, whilst Thursday tends to be the cheapest.
Impact on price
Cheapest route
Fly Seattle Tacoma - Stansted for the best Seattle to London flight prices saving up to 1% on average.
Of the possible routes between Seattle and London best prices tend to be found on Seattle Tacoma - Stansted.
We've got 51 booking sites supporting this and nearby routes.
Impact on price
Seattle Tacoma-Stansted
+0%
Seattle Tacoma-Gatwick
+0%
Seattle Tacoma-Luton
+1%
Seattle Tacoma-London City Airport
+2%
Seattle Tacoma-Heathrow
+8%
Direct flights
There are direct flights from Seattle Tacoma to London all week with a flight time of 9 hours 20 minutes.
Direct flights available: 42 PER WEEK
Popular non-direct routes for this connection are Seattle Tacoma - Frankfurt Intl - Heathrow, Seattle Tacoma - Koeln/Bonn - Heathrow and Seattle Tacoma - Frankfurt Intl - London City Airport.
Stop-off cities for indirect flights from Seattle Tacoma to London include Frankfurt Intl, Koeln/Bonn and Keflavik Intl.
Direct flights available on
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

Get there quickly

Direct flights to London from Seattle
Return trip
25 Oct - 1 Nov
646 CAD
GoToGateCA
SEA SEA
9h 20min
Direct
LON LON
LON LON
9h 55min
Direct
SEA SEA
Return trip
25 Oct - 30 Oct
649 CAD
GoToGateCA
SEA SEA
9h 20min
Direct
LON LON
LON LON
9h 55min
Direct
SEA SEA
Return trip
30 Oct - 20 Dec
860 CAD
GoToGateCA
SEA SEA
9h 30min
Direct
LON LON
LON LON
9h 55min
Direct
SEA SEA

Go right away

Last minute flights from Seattle to London
Return trip
30 Oct - 20 Dec
860 CAD
GoToGateCA
SEA SEA
9h 30min
Direct
LON LON
LON LON
9h 55min
Direct
SEA SEA
Return trip
21 Oct - 25 Nov
1,166 CAD
FlightNetwork
SEA SEA
36h 0min
2 stops
LON LON
LON LON
50h 19min
2 stops
SEA SEA
Return trip
21 Oct - 24 Nov
1,308 CAD
KiwiCA
SEA SEA
16h 40min
1 stop
LON LON
LON LON
21h 15min
1 stop
SEA SEA

Go for less - experience more

Cheap flights from Seattle to London
Return trip
3 Nov - 13 Nov
623 CAD
EDreamsCA
SEA SEA
9h 30min
Direct
LON LON
LON LON
9h 55min
Direct
SEA SEA
Return trip
4 Nov - 12 Nov
672 CAD
JustAirTicketINT
SEA SEA
9h 25min
Direct
LON LON
LON LON
42h 51min
2 stops
SEA SEA
Return trip
4 Nov - 11 Nov
672 CAD
JustAirTicketINT
SEA SEA
9h 25min
Direct
LON LON
LON LON
21h 6min
2 stops
SEA SEA

Coming or going?

Cheap flights from London to Seattle
Return trip
6 Dec - 13 Dec
630 CAD
BravoFlyUK
LON LON
9h 55min
Direct
SEA SEA
SEA SEA
9h 30min
Direct
LON LON
Return trip
8 Dec - 15 Dec
689 CAD
BookairfareUK
LON LON
27h 38min
1 stop
SEA SEA
SEA SEA
13h 30min
1 stop
LON LON
Return trip
17 Dec - 5 Jan
731 CAD
BookairfareUK
LON LON
38h 18min
2 stops
SEA SEA
SEA SEA
44h 30min
2 stops
LON LON

Weather forecast for London

Going soon? Be prepared for the weather in London.

Tuesday, October 17, 2017

17°C
14°C

Wednesday, October 18, 2017

20°C
16°C

Thursday, October 19, 2017

17°C
12°C

Friday, October 20, 2017

15°C
6°C

Saturday, October 21, 2017

15°C
10°C

Sunday, October 22, 2017

14°C
12°C

Monday, October 23, 2017

16°C
10°C
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