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Flights from London (LON-All Airports) to Seattle-Tacoma International Airport (SEA)
Flights to Seattle
Washington
United States of America
Flights
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Popular airlines from London to Seattle, WA (SEA-Seattle - Tacoma Intl.)

Finnair
Alaska Airlines
Lufthansa
Iberia
Aer Lingus
Brussels Airlines
Austrian Airlines

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Cheap Flights from London to Seattle (LON-SEA)

Prices were available within the past 7 days and start at NT$15,996 for one-way flights and NT$23,540 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Thu, Oct 22 - Mon, Oct 26

LHR

London

SEA

Seattle

NT$23,540

Roundtrip

Found 4 days ago

Select Swiss International Air Lines flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$23,540 Found 4 days ago

Thu, Oct 22 - Mon, Oct 26

LHR

London

SEA

Seattle

NT$23,864

Roundtrip

Found 4 days ago

Select Delta flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$23,864 Found 4 days ago

Thu, Oct 22 - Mon, Oct 26

LHR

London

SEA

Seattle

NT$24,018

Roundtrip

Found 4 days ago

Select Air Canada flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$24,018 Found 4 days ago

Thu, Oct 22 - Mon, Oct 26

LHR

London

SEA

Seattle

NT$24,236

Roundtrip

Found 4 days ago

Select Delta flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$24,236 Found 4 days ago

Thu, Oct 22 - Mon, Oct 26

LHR

London

SEA

Seattle

NT$24,456

Roundtrip

Found 4 days ago

Select Lufthansa flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$24,456 Found 4 days ago

Thu, Oct 22 - Mon, Oct 26

LHR

London

SEA

Seattle

NT$24,755

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$24,755 Found 4 days ago

Thu, Oct 22 - Mon, Oct 26

LHR

London

SEA

Seattle

NT$24,936

Roundtrip

Found 4 days ago

Select United flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$24,936 Found 4 days ago

Thu, Oct 22 - Mon, Oct 26

LGW

London

SEA

Seattle

NT$25,118

Roundtrip

Found 4 days ago

Select Condor flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$25,118 Found 4 days ago

Thu, Oct 22 - Mon, Oct 26

LHR

London

SEA

Seattle

NT$25,451

Roundtrip

Found 4 days ago

Select KLM flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$25,451 Found 4 days ago

Thu, Oct 22 - Mon, Oct 26

LCY

London

SEA

Seattle

NT$40,489

Roundtrip

Found 4 days ago

Select Air Dolomiti flight, departing Thu, Oct 22 from London to Seattle, returning Mon, Oct 26, priced at NT$40,489 Found 4 days ago

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

May is typically the cheapest month to fly

From NT$14,317 - NT$26,219 per traveler.

Travel information

Origin airport	London City Airport
Destination airport	Seattle-Tacoma International Airport
Distance	7,720 km away
Airlines serving	KLM, Aer Lingus, British Airways, Swiss International Air Lines, Virgin Atlantic, Delta, Lufthansa, Iberia
Popular airline	KLM
Roundtrip price	NT$23,540

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NT$15,996 Cheap Flights from London (LON) to Seattle (SEA)

Popular airlines from London to Seattle, WA (SEA-Seattle - Tacoma Intl.)

Be in the know

Book smarter

Earn twice

Cheap Flights from London to Seattle (LON-SEA)

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

May is typically the cheapest month to flyMay is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

May is typically the cheapest month to fly