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

￥70,910 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 ￥70,910 for one-way flights and ￥99,200 for roundtrip, for the period specified. Prices and availability are subject to change.
United
Mon, Sep 21 - Mon, Sep 21
LHR
London
SEA
Seattle
￥99,200
Roundtrip
Found 18 hours ago
Select United flight, departing Mon, Sep 21 from London to Seattle, returning Mon, Sep 21, priced at ￥99,200 Found 18 hours ago
United
Mon, Sep 21 - Mon, Sep 21
LHR
London
SEA
Seattle
￥100,110
Roundtrip
Found 18 hours ago
Select United flight, departing Mon, Sep 21 from London to Seattle, returning Mon, Sep 21, priced at ￥100,110 Found 18 hours ago
Icelandair
Sun, Aug 30 - Sun, Sep 6
LHR
London
SEA
Seattle
￥106,140
Roundtrip
Found 6 days ago
Select Icelandair flight, departing Sun, Aug 30 from London to Seattle, returning Sun, Sep 6, priced at ￥106,140 Found 6 days ago
Icelandair
Fri, Aug 21 - Mon, Sep 7
LHR
London
SEA
Seattle
￥106,240
Roundtrip
Found 6 days ago
Select Icelandair flight, departing Fri, Aug 21 from London to Seattle, returning Mon, Sep 7, priced at ￥106,240 Found 6 days ago
Icelandair
Sun, Aug 30 - Sun, Sep 6
LHR
London
SEA
Seattle
￥106,400
Roundtrip
Found 6 days ago
Select Icelandair flight, departing Sun, Aug 30 from London to Seattle, returning Sun, Sep 6, priced at ￥106,400 Found 6 days ago
Icelandair
Fri, Aug 21 - Mon, Sep 7
LHR
London
SEA
Seattle
￥106,500
Roundtrip
Found 6 days ago
Select Icelandair flight, departing Fri, Aug 21 from London to Seattle, returning Mon, Sep 7, priced at ￥106,500 Found 6 days ago
Icelandair
Sun, Aug 30 - Sun, Sep 6
LHR
London
SEA
Seattle
￥106,660
Roundtrip
Found 6 days ago
Select Icelandair flight, departing Sun, Aug 30 from London to Seattle, returning Sun, Sep 6, priced at ￥106,660 Found 6 days ago
Lufthansa
Sun, Aug 30 - Sun, Sep 6
LHR
London
SEA
Seattle
￥115,700
Roundtrip
Found 6 days ago
Select Lufthansa flight, departing Sun, Aug 30 from London to Seattle, returning Sun, Sep 6, priced at ￥115,700 Found 6 days ago
Delta
Wed, Oct 7 - Mon, Oct 12
LHR
London
SEA
Seattle
￥118,560
Roundtrip
Found 3 days ago
Select Delta flight, departing Wed, Oct 7 from London to Seattle, returning Mon, Oct 12, priced at ￥118,560 Found 3 days ago
Alaska Airlines
Sun, Oct 18 - Mon, Nov 2
LHR
London
SEA
Seattle
￥119,410
Roundtrip
Found 3 days ago
Select Alaska Airlines flight, departing Sun, Oct 18 from London to Seattle, returning Mon, Nov 2, priced at ￥119,410 Found 3 days ago

Travel information

Origin airport
Heathrow Airport
Destination airport
Seattle-Tacoma International Airport
Distance
7,702 km away
Airlines serving
Finnair, Lufthansa, Aer Lingus, Air Canada, Alaska Airlines, Iberia, Brussels Airlines, Austrian Airlines, Icelandair, KLM, Air France, Virgin Atlantic, JetBlue Airways, British Airways, WestJet, Turkish Airlines, American Airlines, Delta, SAS, Aeromexico, United, Swiss International Air Lines, Singapore Airlines
Popular airline
Finnair
Roundtrip price
￥99,200
Average flight time
10 hours
*Available to One Key members.