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
908 CAD for flights from Seattle to London leaving on 2017-05-07 and returning on 2017-06-09
Low 684 CAD
908 CAD
High 1,782 CAD
Choose my own dates
Best time to book
Cheapest time to buy a ticket for Seattle — London is approximately 58 days to departure.
Seattle to London flights are usually cheapest between 2 and 4 months before departure.
Days before departure
Best month
Cheapest time of year to fly to London from Seattle is January and February. Most expensive are November and December.
The cheapest flights from Seattle to London are currently available between May and June.
Impact on price
Cheapest airline
According to our data, Air New Zealand, Virgin America and JetBlue Airways are the cheapest airlines to fly this route.
Popular airlines for this route are Air New Zealand, Virgin America and JetBlue Airways.
Impact on price (additional fees may apply)
Air New Zealand
+1%
Virgin America
+3%
JetBlue Airways
+6%
Condor
+10%
United Airlines
+12%
Air Canada
+12%
Best time to fly
Seattle to London flights are approximately 11% more expensive in the evening 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 Tuesday and the most expensive is typically Saturday.
Saturday is normally the most expensive day to fly, whilst Tuesday tends to be the cheapest.
Impact on price
Cheapest route
Fly Seattle Tacoma - Gatwick for the best Seattle to London flight prices saving up to 0% on average.
Of the possible routes between Seattle and London best prices tend to be found on Seattle Tacoma - Gatwick.
We've got 26 booking sites supporting this and nearby routes.
Impact on price
Seattle Tacoma-Gatwick
+0%
Seattle Tacoma-London City Airport
+5%
Seattle Tacoma-Heathrow
+6%
Direct flights
There are direct flights from Seattle Tacoma to London all week with a flight time of 9 hours 0 minutes.
Direct flights available: 58 PER WEEK
Popular non-direct routes for this connection are Seattle Tacoma - Vancouver Intl - Gatwick, Seattle Tacoma - O'Hare Intl - Heathrow and Seattle Tacoma - Salt Lake City Intl - Heathrow.
You can fly from Seattle Tacoma to London indirect via Vancouver Intl, O'Hare Intl or Salt Lake City Intl.
Direct flights available on
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

Get there quickly

Direct flights to London from Seattle
Return trip
24 Apr - 10 May
836 CAD
JustAirTicketINT
SEA SEA
9h 0min
Direct
LON LON
LON LON
9h 40min
Direct
SEA SEA
Return trip
17 Apr - 30 Apr
862 CAD
JustAirTicketINT
SEA SEA
9h 0min
Direct
LON LON
LON LON
9h 40min
Direct
SEA SEA
Return trip
13 Apr - 18 Apr
1,071 CAD
JustAirTicketINT
SEA SEA
9h 10min
Direct
LON LON
LON LON
9h 40min
Direct
SEA SEA

Go right away

Last minute flights from Seattle to London
Return trip
8 Mar - 13 Mar
969 CAD
JustFly
SEA SEA
43h 34min
2 stops
LON LON
LON LON
61h 15min
2 stops
SEA SEA
Return trip
25 Mar - 2 Apr
1,027 CAD
JustAirTicketINT
SEA SEA
17h 45min
1 stop
LON LON
LON LON
57h 29min
2 stops
SEA SEA
Return trip
13 Mar - 28 Mar
1,049 CAD
TravelMerryUS
SEA SEA
17h 5min
2 stops
LON LON
LON LON
15h 20min
2 stops
SEA SEA

Go for less - experience more

Cheap flights from Seattle to London
Return trip
15 Mar - 27 Mar
896 CAD
FlyFar
SEA SEA
19h 40min
1 stop
LON LON
LON LON
24h 29min
1 stop
SEA SEA
Return trip
13 Mar - 28 Mar
1,049 CAD
TravelMerryUS
SEA SEA
17h 5min
2 stops
LON LON
LON LON
15h 20min
2 stops
SEA SEA
Return trip
15 Mar - 17 Mar
1,129 CAD
KiwiCA
SEA SEA
14h 8min
1 stop
LON LON
LON LON
27h 0min
1 stop
SEA SEA

Coming or going?

Cheap flights from London to Seattle
Return trip
5 Apr - 25 Apr
868 CAD
FaregeekCA
LON LON
15h 38min
1 stop
SEA SEA
SEA SEA
9h 0min
Direct
LON LON
Return trip
11 Jun - 25 Jun
893 CAD
LastMinute
LON LON
9h 40min
Direct
SEA SEA
SEA SEA
9h 0min
Direct
LON LON
Return trip
15 Jun - 8 Jul
977 CAD
FaregeekCA
LON LON
9h 40min
Direct
SEA SEA
SEA SEA
19h 45min
1 stop
LON LON

Weather forecast for London

Going soon? Be prepared for the weather in London.
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