Skip to main content
An Alaska Airlines plane taking off with a snow-capped mountain in the background.

₩768,800 Cheap Flights from London (LHR) to Seattle (SEA)

Photo by Port of Seattle
Open Photo by Port of Seattle

Cheap Flights from London to Seattle (LHR-SEA)

Prices were available within the past 7 days and start at ₩768,800 for one-way flights and ₩1,073,900 for roundtrip, for the period specified. Prices and availability are subject to change.
Icelandair
Tue, Nov 3 - Thu, Nov 12
LHR
London
SEA
Seattle
₩1,073,900
Roundtrip
Found 2 days ago
Select Icelandair flight, departing Tue, Nov 3 from London to Seattle, returning Thu, Nov 12, priced at ₩1,073,900 Found 2 days ago
Icelandair
Tue, Nov 3 - Thu, Nov 12
LHR
London
SEA
Seattle
₩1,076,400
Roundtrip
Found 2 days ago
Select Icelandair flight, departing Tue, Nov 3 from London to Seattle, returning Thu, Nov 12, priced at ₩1,076,400 Found 2 days ago
Icelandair
Wed, Sep 2 - Mon, Sep 14
LHR
London
SEA
Seattle
₩1,098,400
Roundtrip
Found 6 hours ago
Select Icelandair flight, departing Wed, Sep 2 from London to Seattle, returning Mon, Sep 14, priced at ₩1,098,400 Found 6 hours ago
Icelandair
Wed, Sep 2 - Mon, Sep 14
LHR
London
SEA
Seattle
₩1,100,900
Roundtrip
Found 6 hours ago
Select Icelandair flight, departing Wed, Sep 2 from London to Seattle, returning Mon, Sep 14, priced at ₩1,100,900 Found 6 hours ago
United
Wed, Sep 2 - Mon, Sep 14
LHR
London
SEA
Seattle
₩1,105,700
Roundtrip
Found 6 hours ago
Select United flight, departing Wed, Sep 2 from London to Seattle, returning Mon, Sep 14, priced at ₩1,105,700 Found 6 hours ago
Virgin Atlantic
Tue, Nov 3 - Thu, Nov 12
LHR
London
SEA
Seattle
₩1,113,100
Roundtrip
Found 2 days ago
Select Virgin Atlantic flight, departing Tue, Nov 3 from London to Seattle, returning Thu, Nov 12, priced at ₩1,113,100 Found 2 days ago
Delta
Tue, Nov 3 - Thu, Nov 12
LHR
London
SEA
Seattle
₩1,113,100
Roundtrip
Found 2 days ago
Select Delta flight, departing Tue, Nov 3 from London to Seattle, returning Thu, Nov 12, priced at ₩1,113,100 Found 2 days ago
Delta
Tue, Nov 3 - Thu, Nov 12
LHR
London
SEA
Seattle
₩1,130,300
Roundtrip
Found 2 days ago
Select Delta flight, departing Tue, Nov 3 from London to Seattle, returning Thu, Nov 12, priced at ₩1,130,300 Found 2 days ago
Delta
Tue, Nov 3 - Thu, Nov 12
LHR
London
SEA
Seattle
₩1,135,600
Roundtrip
Found 2 days ago
Select Delta flight, departing Tue, Nov 3 from London to Seattle, returning Thu, Nov 12, priced at ₩1,135,600 Found 2 days ago
Lufthansa
Wed, Sep 2 - Mon, Sep 14
LHR
London
SEA
Seattle
₩1,140,100
Roundtrip
Found 6 hours ago
Select Lufthansa flight, departing Wed, Sep 2 from London to Seattle, returning Mon, Sep 14, priced at ₩1,140,100 Found 6 hours ago

Travel information

Origin airport
Heathrow Airport
Destination airport
Seattle-Tacoma International Airport
Distance
7,702 km away
Airlines serving
Finnair, Aer Lingus, Air Canada, British Airways, Iberia, Alaska Airlines, Austrian Airlines, Lufthansa, Brussels Airlines, KLM, Air France, Icelandair, Virgin Atlantic, JetBlue Airways, WestJet, SAS, Turkish Airlines, Delta, American Airlines, United, Swiss International Air Lines, Aeromexico
Popular airline
Finnair
Roundtrip price
₩1,073,900
Average flight time
9 hours 59 mins
*Available to One Key members.