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NT$11,853 Cheap Flights from Seattle (SEA) to London (LHR)

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Open Photo by Heathrow Airports Limited

Cheap Flights from Seattle to London (SEA-LHR)

Prices were available within the past 7 days and start at NT$11,853 for one-way flights and NT$26,498 for roundtrip, for the period specified. Prices and availability are subject to change.
SAS
Tue, Oct 20 - Tue, Oct 27
SEA
Seattle
LHR
London
NT$26,498
Roundtrip
Found 1 day ago
Select SAS flight, departing Tue, Oct 20 from Seattle to London, returning Tue, Oct 27, priced at NT$26,498 Found 1 day ago
Lufthansa
Wed, Oct 21 - Fri, Oct 23
SEA
Seattle
LHR
London
NT$28,447
Roundtrip
Found 2 days ago
Select Lufthansa flight, departing Wed, Oct 21 from Seattle to London, returning Fri, Oct 23, priced at NT$28,447 Found 2 days ago
Delta
Wed, Dec 2 - Thu, Dec 10
SEA
Seattle
LHR
London
NT$28,570
Roundtrip
Found 6 days ago
Select Delta flight, departing Wed, Dec 2 from Seattle to London, returning Thu, Dec 10, priced at NT$28,570 Found 6 days ago
Delta
Sun, Nov 8 - Sat, Nov 21
SEA
Seattle
LHR
London
NT$28,587
Roundtrip
Found 14 hours ago
Select Delta flight, departing Sun, Nov 8 from Seattle to London, returning Sat, Nov 21, priced at NT$28,587 Found 14 hours ago
Finnair
Mon, Nov 2 - Wed, Nov 18
SEA
Seattle
LHR
London
NT$29,401
Roundtrip
Found 3 days ago
Select Finnair flight, departing Mon, Nov 2 from Seattle to London, returning Wed, Nov 18, priced at NT$29,401 Found 3 days ago
Air Canada
Mon, Nov 2 - Wed, Nov 18
SEA
Seattle
LHR
London
NT$29,403
Roundtrip
Found 3 days ago
Select Air Canada flight, departing Mon, Nov 2 from Seattle to London, returning Wed, Nov 18, priced at NT$29,403 Found 3 days ago
Alaska Airlines
Tue, Dec 1 - Thu, Dec 10
SEA
Seattle
LHR
London
NT$29,491
Roundtrip
Found 6 days ago
Select Alaska Airlines flight, departing Tue, Dec 1 from Seattle to London, returning Thu, Dec 10, priced at NT$29,491 Found 6 days ago
KLM
Mon, Nov 2 - Wed, Nov 18
SEA
Seattle
LHR
London
NT$30,262
Roundtrip
Found 3 days ago
Select KLM flight, departing Mon, Nov 2 from Seattle to London, returning Wed, Nov 18, priced at NT$30,262 Found 3 days ago
Turkish Airlines
Tue, Oct 20 - Tue, Oct 27
SEA
Seattle
LHR
London
NT$31,592
Roundtrip
Found 1 day ago
Select Turkish Airlines flight, departing Tue, Oct 20 from Seattle to London, returning Tue, Oct 27, priced at NT$31,592 Found 1 day ago
WestJet
Mon, Nov 2 - Wed, Nov 18
SEA
Seattle
LHR
London
NT$31,847
Roundtrip
Found 3 days ago
Select WestJet flight, departing Mon, Nov 2 from Seattle to London, returning Wed, Nov 18, priced at NT$31,847 Found 3 days ago

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

October is typically the cheapest month to fly

From NT$19,524 - NT$26,431 per traveler.

Travel information

Origin airport
Seattle-Tacoma International Airport
Destination airport
Heathrow Airport
Distance
7,702 km away
Airlines serving
Finnair, Alaska Airlines, Iberia, Aer Lingus, Lufthansa, Icelandair, British Airways, Air Canada, Turkish Airlines, Brussels Airlines, Austrian Airlines, WestJet, Virgin Atlantic, KLM, American Airlines, Delta, United, Air France, Aeromexico, JetBlue Airways, SAS, Korean Air
Popular airline
Finnair
Roundtrip price
NT$26,498
Average flight time
9 hours 32 mins
*Available to One Key members.