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

Departure Date

2025/12
Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1Search	2722	3Search	4Search	5Search	6Search
7Search	8Search	9Search	10Search	11Search	12Search	13Search
14Search	15Search	16Search	17Search	18Search	19Search	20Search
21Search	22Search	23Search	24Search	25Search	26Search	27Search
28Search	29Search	30Search	31Search

Select Return Date　　 Change Departure Date

Return Date

2025/12
Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1------	2------	3------	4------	5------	6------
7------	8------	9------	10------	11------	12------	13------
14------	15------	16------	17------	18------	19------	20------
21------	22------	23------	24------	25------	26------	27------
28------	29------	30------	31------

　　Select Departure Date

Currency:US Dollar Loading Searching Fares Updating Fares

Departure Date

―

Return Date

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

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

Heathrow－Seattle-Tacoma Airport
December Lowest Airfares
USD722

The airfare displayed above is for American Airlines

Set calendar for this month
Heathrow－Seattle-Tacoma Airport
January Lowest Airfares
USD643

The airfare displayed above is for American Airlines

Set calendar for this month

Heathrow－Seattle-Tacoma Airport
February Lowest Airfares
USD3,387

The airfare displayed above is for American Airlines

Set calendar for this month
Heathrow－Seattle-Tacoma Airport
March Lowest Airfares
USD629

The airfare displayed above is for Icelandair

Set calendar for this month
Heathrow－Seattle-Tacoma Airport
April Lowest Airfares -----

London (UK)－Seattle
Estimated Flight Time
9 Hours 45 Minutes
London (UK)－Seattle
Number of Operating Airlines
20

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

Scandinavian Airlines

Turkish Airlines

United Airlines

West Jet

LCCSwissair

LCCAustrian Airlines

LCCBrussels Airlines

Other Destinations from:London (UK)

Heathrow－Boston(Logan)
USD459〜
Heathrow－Washington D.C(Washington Dulles)
USD582〜
Heathrow－Washington D.C(Ronald Reagan Washington National)
USD677〜
Heathrow－Washington D.C(Baltimore-Washington)
USD775〜
Heathrow－Chicago(O'Hare)
USD577〜
Heathrow－Chicago(Midway)
USD1,620〜
Heathrow－Dallas(/Fort Worth)
USD832〜
Heathrow－Dallas(Love Field)
USD839〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Gatwick Airport－Seattle(-Tacoma)
USD574〜
Manchester Airport－Seattle(-Tacoma)
USD693〜
Edinburgh Airport－Seattle(-Tacoma)
USD785〜
Birmingham Airport－Seattle(-Tacoma)
USD819〜
* Fares vary in accordance to seat availability