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
1,177 CAD for flights from Seattle to London leaving on 2017-07-07 and returning on 2017-08-11
Low 732 CAD
1,177 CAD
High 1,865 CAD
Choose my own dates
Best time to book
Cheapest time to buy a ticket for Seattle — London is approximately 58 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 November. Most expensive are June and July.
Seattle to London flights are currently cheapest between July and August.
Impact on price
Cheapest airline
According to our data, Virgin America, Norwegian Air Shuttle and Air New Zealand are the cheapest airlines to fly this route.
momondo users most frequently choose to fly from Seattle to London with either Virgin America, Norwegian Air Shuttle or Air New Zealand.
Impact on price (additional fees may apply)
Virgin America
+3%
Norwegian Air Shuttle
+5%
Air New Zealand
+5%
Delta Air Lines
+13%
United Airlines
+14%
Air Canada
+14%
Best time to fly
Seattle to London flights are approximately 12% more expensive in the afternoon than in the morning.
Afternoon flights tend to be the most expensive.
Impact on price
Cheapest day
Saturday is normally the most expensive day to fly, whilst Tuesday tends to be the cheapest.
Cheapest day of week is typically Tuesday and the most expensive is typically Saturday.
Impact on price
Cheapest route
Fly Seattle Tacoma - Gatwick for the best Seattle to London flight prices saving up to 0% on average.
Seattle Tacoma - Gatwick tends to be 0% cheaper than Seattle Tacoma - Heathrow.
momondo compares flights to London from Seattle from 27 different sites.
Impact on price
Seattle Tacoma-Gatwick
+0%
Seattle Tacoma-London City Airport
+5%
Seattle Tacoma-Heathrow
+7%
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: 50 PER WEEK
Popular non-direct routes for this connection are Seattle Tacoma - Frankfurt Intl - London City Airport, Seattle Tacoma - Vancouver Intl - Gatwick and Seattle Tacoma - Vancouver Intl - Heathrow.
Stop-off cities for indirect flights from Seattle Tacoma to London include Frankfurt Intl, Vancouver Intl and Los Angeles Intl.
Direct flights available on
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

Get there quickly

Direct flights to London from Seattle
Return trip
13 Oct - 22 Oct
745 CAD
EDreamsCA
SEA SEA
9h 20min
Direct
LON LON
LON LON
9h 55min
Direct
SEA SEA
Return trip
8 Sep - 9 Oct
987 CAD
JustAirTicketINT
SEA SEA
9h 0min
Direct
LON LON
LON LON
9h 40min
Direct
SEA SEA
Return trip
10 Aug - 24 Aug
1,200 CAD
JustAirTicketINT
SEA SEA
9h 0min
Direct
LON LON
LON LON
9h 40min
Direct
SEA SEA

Go right away

Last minute flights from Seattle to London
Return trip
17 May - 31 May
1,214 CAD
KiwiCA
SEA SEA
19h 5min
1 stop
LON LON
LON LON
16h 4min
1 stop
SEA SEA
Return trip
16 Jun - 25 Jun
1,368 CAD
JustAirTicketINT
SEA SEA
17h 11min
1 stop
LON LON
LON LON
19h 43min
1 stop
SEA SEA
Return trip
12 May - 16 Jun
1,833 CAD
SkyToursCA
SEA SEA
25h 17min
2 stops
LON LON
LON LON
20h 24min
2 stops
SEA SEA

Go for less - experience more

Cheap flights from Seattle to London
Return trip
25 May - 31 May
1,065 CAD
KiwiCA
SEA SEA
15h 40min
1 stop
LON LON
LON LON
27h 39min
1 stop
SEA SEA
Return trip
21 May - 9 Jun
1,128 CAD
KiwiCA
SEA SEA
16h 30min
1 stop
LON LON
LON LON
17h 56min
1 stop
SEA SEA
Return trip
17 May - 31 May
1,214 CAD
KiwiCA
SEA SEA
19h 5min
1 stop
LON LON
LON LON
16h 4min
1 stop
SEA SEA

Coming or going?

Cheap flights from London to Seattle
Return trip
29 Apr - 2 May
910 CAD
FaregeekCA
LON LON
15h 28min
1 stop
SEA SEA
SEA SEA
14h 25min
1 stop
LON LON
Return trip
29 Apr - 5 May
1,311 CAD
KiwiCA
LON LON
16h 53min
1 stop
SEA SEA
SEA SEA
20h 15min
1 stop
LON LON
Return trip
17 May - 17 May
1,337 CAD
KiwiCA
LON LON
13h 22min
1 stop
SEA SEA
SEA SEA
28h 45min
1 stop
LON LON

Weather forecast for London

Going soon? Be prepared for the weather in London.
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