Cheap flights from Seattle to London

Choose between TAP Portugal, United Airlines, or American Airlines to find the best price

Travelers usually depart from Seattle–Tacoma International, Seattle King Street railway station, Seattle Greyhound Bus Station, Seattle, WA - Poly Clinic, or Seattle, WA-Harborview Med when they travel from Seattle to London. Book your trip to arrive at Heathrow, London Stansted, Gatwick, Luton, or London City. The distance between Seattle and London is 7709 km. The most popular airlines for this route are TAP Portugal, United Airlines, American Airlines, Finnair, and Alaska Airlines. Seattle and London have 194 direct flights per week. When you arrive at London, consider visiting St. David's Cathedral, Cardiff, British Museum, Tintern Abbey, United Kingdom, Natural History Museum, Tate Modern, Isle of Wight, Roman Baths, Bath, Portsea Island, St. Paul's Cathedral, Avebury, St Fagans: National History Museum, Stonehenge, Canterbury Cathedral, and Tower of London.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights34304341-1828

Fly direct with

American Airlines on Mondays, Tuesdays, Wednesdays, and Thursdays.

Finnair on Fridays, and Sundays.

KLM Royal Dutch Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, and Sundays.

Check-in for a flight from Seattle to London

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
TAP PortugalTAPTPYesUnknownNo
United AirlinesUALUAYesUnknownNo
American AirlinesAALAAYesUnknownNo
FinnairFINAYYesUnknownNo
Alaska AirlinesASAASYesUnknownNo

Frequently asked questions

How long does it take to travel from Seattle to London?

A one-way nonstop (direct) flight between Seattle and London takes around 9.4 hours.

What is the flight distance between Seattle and London?

The flight distance between Seattle and London is 7709 km.

What airlines offer nonstop (direct) flights between Seattle and London?

Several carriers operate flights between Seattle and London. Airlines offering nonstop (direct) flights include KLM Royal Dutch Airlines, Finnair, American Airlines.

What are the most popular routes to and from Seattle?

Travelers frequently search for route combinations, such as Seattle and McCarran International, Miami International, Denver International, Hartsfield–Jackson Atlanta International, San Francisco International, Logan International, George Bush Intercontinental, Phoenix Sky Harbor International, Baltimore–Washington International, O Hare International, Vancouver International.

What are the most popular routes to and from London?

Travelers frequently search for route combinations, such as London and Athens International, Berlin Brandenburg, Milan–Malpensa, Frankfurt International Airport, Dublin, Tenerife–South, Barcelona–El Prat, Málaga, Vienna International Airport, Palma de Mallorca, Václav Havel Airport Prague.

Which airports are there in Seattle?

Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Kenmore Air Harbor Seaplane Base, Boeing Field.

What airports are near Seattle?

The main airport in Seattle is Seattle–Tacoma International. It is also served by Portland International, Vancouver International, Bellingham International, Paine Field Everett, Pangborn Memorial, Yakima Air Terminal, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB, Abbotsford International, Friday Harbor Airport.

What airports are near London?

The main airport in London is Heathrow. It is also served by Birmingham, Bristol, East Midlands, Bournemouth, Doncaster Sheffield, Southampton, Cardiff, Humberside, Exeter, Norwich.

What buses and trains depart from Seattle?

A number of bus and train companies depart from Seattle, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Seattle and London?

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Which airlines fly between Seattle and London?

When's the best time to travel between Seattle and London?

What flights operate between Seattle and London?

How many airports are there near Seattle?

How many airports are there near London?

Is it possible to reach Seattle by bus or train?

What time do nonstop (direct) flights between Seattle and London depart?

What time do nonstop (direct) flights between Seattle and London arrive?

What time do flights between Seattle and London depart?

What time do flights between Seattle and London arrive?

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