Cheap Flights from Heathrow Airport to Seattle (SEA) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/6
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2025/6
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Heathrow－Seattle-Tacoma Airport
June Lowest Airfares
USD717

The airfare displayed above is for Icelandair

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Heathrow－Seattle-Tacoma Airport
July Lowest Airfares
USD4,978

The airfare displayed above is for Scandinavian Airlines

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Heathrow－Seattle-Tacoma Airport
August Lowest Airfares
USD981

The airfare displayed above is for Icelandair

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Heathrow－Seattle-Tacoma Airport
September Lowest Airfares -----
Heathrow－Seattle-Tacoma Airport
October Lowest Airfares -----

London (UK)－Seattle
Estimated Flight Time
9 Hours 45 Minutes
London (UK)－Seattle
Number of Operating Airlines
19

Operating Airlines for Heathrow－Seattle-Tacoma Airport Route
Non-StopAmerican Airlines

Non-StopBritish Airways

Non-StopDelta Air Lines

Non-StopVirgin Atlantic

Air Canada

Air France

AeroMéxico

Finnair

Aer Lingus

Icelandair

Iberia Airlines

Klm Royal Dutch Airlines

Lufthansa German Airlines

Turkish Airlines

United Airlines

West Jet

LCCSwissair

LCCAustrian Airlines

LCCBrussels Airlines

Other Destinations from:London (UK)

Heathrow－Boston(Logan)
USD486〜
Heathrow－Washington D.C(Washington Dulles)
USD726〜
Heathrow－Washington D.C(Baltimore-Washington)
USD915〜
Heathrow－Chicago(O'Hare)
USD591〜
Heathrow－Chicago(Midway)
USD1,626〜
Heathrow－Dallas(/Fort Worth)
USD971〜
Heathrow－Dallas(Love Field)
USD1,616〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Gatwick Airport－Seattle(-Tacoma)
USD541〜
Manchester Airport－Seattle(-Tacoma)
USD1,022〜
Edinburgh Airport－Seattle(-Tacoma)
USD817〜
* Fares vary in accordance to seat availability