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
974 CAD for flights from Seattle to London leaving on 2017-06-06 and returning on 2017-07-07
Low 714 CAD
974 CAD
High 1,746 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.
Currently the cheapest days to fly this route are between June and July.
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.
Air New Zealand, Virgin America and JetBlue Airways are the most popular choices flying from Seattle to London.
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.
Seattle Tacoma - Gatwick tends to be 0% cheaper than Seattle Tacoma - Heathrow.
momondo compares flights to London from Seattle from 25 different sites.
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: 50 PER WEEK
Popular non-direct routes for this connection are Seattle Tacoma - Frankfurt Intl - London City Airport, Seattle Tacoma - O'Hare Intl - Copenhagen Airport - Heathrow and Seattle Tacoma - Vancouver Intl - Gatwick.
You can fly from Seattle Tacoma to London indirect via Frankfurt Intl, O'Hare Intl or Copenhagen Airport.
Direct flights available on
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

Get there quickly

Direct flights to London from Seattle
Return trip
12 Apr - 26 Apr
811 CAD
JustAirTicketINT
SEA SEA
9h 0min
Direct
LON LON
LON LON
9h 40min
Direct
SEA SEA
Return trip
15 Apr - 23 Apr
1,015 CAD
JustAirTicketINT
SEA SEA
9h 0min
Direct
LON LON
LON LON
9h 40min
Direct
SEA SEA
Return trip
17 May - 25 May
1,099 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
24 Apr - 16 May
860 CAD
JustAirTicketINT
SEA SEA
9h 0min
Direct
LON LON
LON LON
18h 41min
1 stop
SEA SEA
Return trip
22 Apr - 9 May
919 CAD
OmegaTravelUS
SEA SEA
14h 46min
1 stop
LON LON
LON LON
16h 15min
1 stop
SEA SEA
Return trip
18 Apr - 3 May
934 CAD
CitiAir
SEA SEA
16h 10min
1 stop
LON LON
LON LON
9h 40min
Direct
SEA SEA

Go for less - experience more

Cheap flights from Seattle to London
Return trip
12 Apr - 26 Apr
811 CAD
JustAirTicketINT
SEA SEA
9h 0min
Direct
LON LON
LON LON
9h 40min
Direct
SEA SEA
Return trip
15 Apr - 22 Apr
892 CAD
TravelMerryUS
SEA SEA
13h 40min
1 stop
LON LON
LON LON
14h 6min
1 stop
SEA SEA
Return trip
11 Apr - 16 Apr
1,313 CAD
KiwiCA
SEA SEA
19h 18min
1 stop
LON LON
LON LON
18h 40min
1 stop
SEA SEA

Coming or going?

Cheap flights from London to Seattle
Return trip
13 Apr - 23 Apr
840 CAD
FaregeekCA
LON LON
15h 38min
1 stop
SEA SEA
SEA SEA
35h 5min
1 stop
LON LON
Return trip
17 Apr - 17 May
844 CAD
CFFaregeekCA
LON LON
16h 25min
1 stop
SEA SEA
SEA SEA
13h 55min
1 stop
LON LON
Return trip
24 Jul - 13 Aug
1,318 CAD
CFTravelup
LON LON
28h 35min
1 stop
SEA SEA
SEA SEA
11h 15min
1 stop
LON LON

Weather forecast for London

Going soon? Be prepared for the weather in London.
Feedback
Cookies
momondo.ca uses cookies
Read more