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Cheap flights from Washington to London Heathrow Airport from £169

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to London Heathrow Airport departing on 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington to London

Cheap return flights

These are some of the best return flight deals from Washington to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington to London.

Cheap last-minute flights

Planning a quick getaway from Washington to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Washington to London

Find recent round-trip train or bus tickets from Washington to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
14:35 - 19:30SEA-LHR
20h 55m1 stop
12:15 - 17:00LHR-SEA
12h 45m1 stop
£422Icelandair
Find Deal
Thu, 16 Jan - Thu, 23 Jan
18:55 - 11:55SEA-LHR
33h 00m1 stop
21:25 - 17:40LHR-SEA
28h 15m1 stop
£424Icelandair
Find Deal
Fri, 11 Apr - Mon, 21 Apr
14:35 - 10:50SEA-LHR
12h 15m1 stop
14:50 - 14:21LHR-SEA
31h 31m1 stop
Wed, 8 Jan - Sun, 19 Jan
20:00 - 19:50SEA-LHR
15h 50m1 stop
07:50 - 18:15LHR-SEA
18h 25m1 stop
£470Aer Lingus
Find Deal
Wed, 4 Dec - Wed, 11 Dec
14:35 - 21:00PDX-LHR
22h 25m2 stops
07:50 - 16:50LHR-PDX
17h 00m2 stops
Tue, 3 Dec - Wed, 11 Dec
20:00 - 16:50SEA-LHR
12h 50m1 stop
07:50 - 18:15LHR-SEA
18h 25m1 stop
£476Aer Lingus
Find Deal
Fri, 6 Dec - Sun, 8 Dec
19:40 - 13:00SEA-LHR
9h 20mdirect
09:30 - 16:00LHR-SEA
14h 30m1 stop
£496Finnair
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Tue, 8 Apr - Wed, 14 May
17:45 - 11:10SEA-LHR
9h 25mdirect
06:20 - 11:20LHR-SEA
13h 00m1 stop
£498Virgin Atlantic
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Sun, 29 Dec - Tue, 14 Jan
19:40 - 13:00SEA-LHR
9h 20mdirect
07:30 - 16:00LHR-SEA
16h 30m1 stop
£501Finnair
Find Deal
Mon, 7 Apr - Wed, 14 May
07:05 - 10:30PDX-LHR
19h 25m1 stop
20:25 - 11:25LHR-PDX
23h 00m1 stop
£522Virgin Atlantic
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Tue, 7 Jan - Thu, 16 Jan
14:35 - 19:30SEA-LHR
20h 55m1 stop
£169Icelandair
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Tue, 14 Jan
14:35 - 10:50SEA-LHR
12h 15m1 stop
£174Icelandair
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Sun, 26 Jan
15:15 - 12:50SEA-LHR
13h 35m1 stop
£177WestJet
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Wed, 12 Feb
11:30 - 12:50SEA-LHR
17h 20m2 stops
£212WestJet
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Sun, 26 Jan
21:35 - 12:50SEA-LHR
55h 15m2 stops
Tue, 3 Dec
07:35 - 19:30PDX-LHR
27h 55m2 stops
Tue, 10 Dec
10:26 - 17:40PDX-LHR
23h 14m2 stops
£300Scandinavian Airlines
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Wed, 4 Dec
07:10 - 09:20SEA-LHR
18h 10m2 stops
£301Scandinavian Airlines
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Sun, 24 Nov
17:45 - 11:10SEA-LHR
9h 25mdirect
£309Virgin Atlantic
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Sun, 26 Jan
05:10 - 10:00PDX-LHR
20h 50m1 stop
£313Virgin Atlantic
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Wed, 1 Jan
14:35 - 19:30SEA-LHR
20h 55m1 stop
20:40 - 17:00LHR-SEA
28h 20m1 stop
£460Icelandair
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Mon, 18 Nov - Tue, 26 Nov
14:35 - 19:30SEA-LHR
20h 55m1 stop
20:40 - 17:00LHR-SEA
28h 20m1 stop
£464Icelandair
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Mon, 18 Nov - Tue, 26 Nov
13:46 - 16:00SEA-LHR
18h 14m2 stops
06:40 - 21:10LHR-SEA
22h 30m2 stops
Sat, 16 Nov - Mon, 18 Nov
10:26 - 21:40PDX-LHR
27h 14m2 stops
06:40 - 21:52LHR-PDX
23h 12m2 stops
Mon, 18 Nov - Mon, 25 Nov
13:01 - 18:50PDX-LHR
21h 49m3 stops
06:40 - 23:55LHR-PDX
25h 15m2 stops
£569Scandinavian Airlines
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Mon, 18 Nov - Mon, 25 Nov
07:10 - 16:00SEA-LHR
24h 50m2 stops
06:40 - 22:25LHR-SEA
23h 45m2 stops
£571Scandinavian Airlines
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Mon, 18 Nov - Wed, 27 Nov
20:00 - 21:00SEA-LHR
17h 00m1 stop
07:50 - 18:15LHR-SEA
18h 25m1 stop
£591Aer Lingus
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Sun, 17 Nov - Sun, 24 Nov
20:00 - 15:35SEA-LHR
11h 35m1 stop
07:50 - 18:15LHR-SEA
18h 25m1 stop
£591Aer Lingus
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Mon, 18 Nov - Fri, 22 Nov
10:35 - 09:20SEA-LHR
14h 45m2 stops
06:30 - 18:32LHR-SEA
20h 02m2 stops
£617Lufthansa
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Mon, 18 Nov - Thu, 28 Nov
10:35 - 09:20SEA-LHR
14h 45m2 stops
06:30 - 09:57LHR-SEA
35h 27m2 stops
£618Lufthansa
Find Deal
Mon, 18 Nov - Thu, 28 Nov
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£506Iberia
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Wed, 15 Jan - Wed, 22 Jan
18:50 - 12:15SEA-LHR
9h 25mdirect
15:00 - 16:55LHR-SEA
9h 55mdirect
£506Iberia
Find Deal
Wed, 15 Jan - Wed, 22 Jan
17:45 - 11:10SEA-LHR
9h 25mdirect
13:15 - 15:15LHR-SEA
10h 00mdirect
£507Virgin Atlantic
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Sun, 29 Dec - Tue, 14 Jan
17:45 - 11:10SEA-LHR
9h 25mdirect
13:15 - 15:15LHR-SEA
10h 00mdirect
£508Virgin Atlantic
Find Deal
Sun, 29 Dec - Tue, 14 Jan
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£508British Airways
Find Deal
Tue, 7 Jan - Tue, 14 Jan
19:40 - 13:00SEA-LHR
9h 20mdirect
09:50 - 11:35LHR-SEA
9h 45mdirect
£509British Airways
Find Deal
Mon, 31 Mar - Tue, 8 Apr
17:45 - 11:10SEA-LHR
9h 25mdirect
12:40 - 14:40LHR-SEA
10h 00mdirect
£520Delta
Find Deal
Wed, 11 Dec - Thu, 19 Dec
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£521Finnair
Find Deal
Tue, 18 Feb - Tue, 25 Feb
18:50 - 12:15SEA-LHR
9h 25mdirect
15:00 - 16:55LHR-SEA
9h 55mdirect
£521Finnair
Find Deal
Tue, 14 Jan - Wed, 22 Jan
17:45 - 11:10SEA-LHR
9h 25mdirect
13:05 - 15:05LHR-SEA
10h 00mdirect
£559Delta
Find Deal
Wed, 11 Dec - Sun, 22 Dec

Icelandair flights from State of Washington to London Heathrow Airport

Our best Icelandair deals on State of Washington to London Heathrow Airport flight tickets
Icelandair
16 Jan
SEA14:35Seattle/Tacoma Intl
20h 55m
1 stop
LHR19:30London Heathrow
23 Jan
LHR12:15London Heathrow
12h 45m
1 stop
SEA17:00Seattle/Tacoma Intl
Icelandair
11 Apr
SEA18:55Seattle/Tacoma Intl
33h 00m
1 stop
LHR11:55London Heathrow
21 Apr
LHR21:25London Heathrow
28h 15m
1 stop
SEA17:40Seattle/Tacoma Intl
Icelandair
25 Jan
SEA14:35Seattle/Tacoma Intl
20h 55m
1 stop
LHR19:30London Heathrow
3 Feb
LHR20:40London Heathrow
28h 20m
1 stop
SEA17:00Seattle/Tacoma Intl

Aer Lingus flights from State of Washington to London Heathrow Airport

Our best Aer Lingus deals on State of Washington to London Heathrow Airport flight tickets
Aer Lingus
4 Dec
SEA20:00Seattle/Tacoma Intl
15h 50m
1 stop
LHR19:50London Heathrow
11 Dec
LHR07:50London Heathrow
18h 25m
1 stop
SEA18:15Seattle/Tacoma Intl
Aer Lingus
6 Dec
SEA20:00Seattle/Tacoma Intl
12h 50m
1 stop
LHR16:50London Heathrow
8 Dec
LHR07:50London Heathrow
18h 25m
1 stop
SEA18:15Seattle/Tacoma Intl
Aer Lingus
6 Dec
SEA20:00Seattle/Tacoma Intl
12h 50m
1 stop
LHR16:50London Heathrow
8 Dec
LHR08:50London Heathrow
17h 25m
1 stop
SEA18:15Seattle/Tacoma Intl

How to get the cheapest flight ticket from State of Washington to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies to London Heathrow Airport from State of Washington?

Icelandair. Icelandair, Air France, and Virgin Atlantic are the most popular carriers operating from State of Washington to London Heathrow Airport

What cabin class options are available on State of Washington to London Heathrow Airport flights?

There are 2 cabin classes available to choose from on State of Washington to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to London Heathrow Airport flights?

You could potentially save up to 50% on your flight if you consider stops on a State of Washington to London Heathrow Airport flight.

Cheap State of Washington to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to London Heathrow Airport

Best price found

£169

Fastest flight time

9h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from State of Washington in the past 72 hours is £169. The best return flight deal from State of Washington to London Heathrow Airport found on momondo in the last 72 hours is £422.
The fastest flight from State of Washington to London Heathrow Airport takes 9h 20m
Direct flights go from State of Washington to London Heathrow Airport every day.

  • When did momondo last update prices for flights from Washington to London Heathrow Airport?

    Prices for flights from Washington to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Washington to London Heathrow Airport?

  • How old do you have to be to fly from Washington to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from State of Washington to London Heathrow Airport?


Best airlines flying from State of Washington to London Heathrow Airport

Compare and see reviews for airlines that fly from State of Washington to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £393Free CancellationRating
7.2
562 reviews
Search Icelandair flights
Air FrancePriceFrom £467Free CancellationRating
7.4
1,532 reviews
Search Air France flights
Virgin AtlanticPriceFrom £474Free CancellationRating
7.6
662 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £488Free CancellationRating
6.6
6,836 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to London with flexible booking policies on momondo?

Flights from Washington to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Washington.

I’m not ready to book a flight from Washington to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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