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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
Lufthansa
Aer Lingus
Alaska Airlines
Air Canada
British Airways
Iberia

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Cheap Flights from London to Seattle (LON-SEA)

Prices were available within the past 7 days and start at NT$15,655 for one-way flights and NT$24,526 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Fri, Apr 9 - Tue, Apr 13

LHR

London

SEA

Seattle

NT$24,526

Roundtrip

Found 8 hours ago

Select Finnair flight, departing Fri, Apr 9 from London to Seattle, returning Tue, Apr 13, priced at NT$24,526 Found 8 hours ago

Sat, Apr 3 - Fri, Apr 9

LHR

London

SEA

Seattle

NT$24,982

Roundtrip

Found 8 hours ago

Select Delta flight, departing Sat, Apr 3 from London to Seattle, returning Fri, Apr 9, priced at NT$24,982 Found 8 hours ago

Fri, Apr 9 - Tue, Apr 13

LHR

London

SEA

Seattle

NT$25,039

Roundtrip

Found 8 hours ago

Select Finnair flight, departing Fri, Apr 9 from London to Seattle, returning Tue, Apr 13, priced at NT$25,039 Found 8 hours ago

Fri, Apr 9 - Tue, Apr 13

LHR

London

SEA

Seattle

NT$25,092

Roundtrip

Found 8 hours ago

Select Finnair flight, departing Fri, Apr 9 from London to Seattle, returning Tue, Apr 13, priced at NT$25,092 Found 8 hours ago

Fri, Apr 9 - Tue, Apr 13

LHR

London

SEA

Seattle

NT$25,112

Roundtrip

Found 8 hours ago

Select Delta flight, departing Fri, Apr 9 from London to Seattle, returning Tue, Apr 13, priced at NT$25,112 Found 8 hours ago

Fri, Apr 9 - Tue, Apr 13

LHR

London

SEA

Seattle

NT$25,179

Roundtrip

Found 8 hours ago

Select Finnair flight, departing Fri, Apr 9 from London to Seattle, returning Tue, Apr 13, priced at NT$25,179 Found 8 hours ago

Fri, Apr 9 - Tue, Apr 13

LHR

London

SEA

Seattle

NT$25,186

Roundtrip

Found 8 hours ago

Select Finnair flight, departing Fri, Apr 9 from London to Seattle, returning Tue, Apr 13, priced at NT$25,186 Found 8 hours ago

Fri, Apr 9 - Tue, Apr 13

LHR

London

SEA

Seattle

NT$25,377

Roundtrip

Found 8 hours ago

Select American Airlines flight, departing Fri, Apr 9 from London to Seattle, returning Tue, Apr 13, priced at NT$25,377 Found 8 hours ago

Sat, Apr 3 - Fri, Apr 9

LHR

London

SEA

Seattle

NT$25,595

Roundtrip

Found 8 hours ago

Select Virgin Atlantic flight, departing Sat, Apr 3 from London to Seattle, returning Fri, Apr 9, priced at NT$25,595 Found 8 hours ago

Sat, Apr 3 - Fri, Apr 9

LHR

London

SEA

Seattle

NT$25,897

Roundtrip

Found 8 hours ago

Select KLM flight, departing Sat, Apr 3 from London to Seattle, returning Fri, Apr 9, priced at NT$25,897 Found 8 hours 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	Luton Airport
Destination airport	Seattle-Tacoma International Airport
Distance	7,669 km away
Roundtrip price	NT$24,526

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NT$15,655 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