The Houses of Parliament and Big Ben in London, with a red double-decker bus crossing the Lambeth Bridge.

₩440,200 Cheap Flights from Seattle (SEA) to London (LON)

Cheap Flights from Seattle to London (SEA-LON)

Prices were available within the past 7 days and start at ₩440,200 for one-way flights and ₩1,160,400 for roundtrip, for the period specified. Prices and availability are subject to change.
Icelandair
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,160,400
Roundtrip
Just found
Select Icelandair flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,160,400 Just found
Delta
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,250,200
Roundtrip
Just found
Select Delta flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,250,200 Just found
Delta
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,256,200
Roundtrip
Just found
Select Delta flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,256,200 Just found
Delta
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,261,300
Roundtrip
Just found
Select Delta flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,261,300 Just found
Delta
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,267,300
Roundtrip
Just found
Select Delta flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,267,300 Just found
Delta
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,279,500
Roundtrip
Just found
Select Delta flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,279,500 Just found
Delta
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,285,500
Roundtrip
Just found
Select Delta flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,285,500 Just found
Air France
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,288,400
Roundtrip
Just found
Select Air France flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,288,400 Just found
British Airways
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,298,500
Roundtrip
Just found
Select British Airways flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,298,500 Just found
KLM
Sun, Nov 8 - Mon, Nov 23
SEA
Seattle
LHR
London
₩1,299,500
Roundtrip
Just found
Select KLM flight, departing Sun, Nov 8 from Seattle to London, returning Mon, Nov 23, priced at ₩1,299,500 Just found

Find the cheapest month to fly from Seattle (SEA) to London (LON)

February is typically the cheapest month to fly

From ₩827,464 - ₩1,071,767 per traveler.

Travel information

Origin airport
Seattle-Tacoma International Airport
Destination airport
Heathrow Airport
Distance
7,702 km away
Airlines serving
Finnair, Alaska Airlines, Aer Lingus, Iberia, Icelandair, Lufthansa, British Airways, Air Canada, Austrian Airlines, Turkish Airlines, WestJet, Brussels Airlines, KLM, Virgin Atlantic, American Airlines, Delta, Air France, United, Aeromexico, JetBlue Airways, SAS
Popular airline
Finnair
Roundtrip price
₩1,160,400
Average flight time
9 hours 32 mins
*Available to One Key members.