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Cheap flights from Washington to London from £158

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 departing on 20/1. 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.
07:10 - 10:35SEA-LGW
19h 25m1 stop
16:45 - 14:21LGW-SEA
53h 36m2 stops
Tue, 21 Jan - Tue, 28 Jan
14:35 - 17:05SEA-LTN
18h 30m2 stops
09:00 - 17:00LTN-SEA
16h 00m2 stops
Thu, 9 Jan - Thu, 16 Jan
14:35 - 10:55SEA-LGW
12h 20m1 stop
11:55 - 17:00LGW-SEA
13h 05m1 stop
£424Icelandair
Find Deal
Thu, 9 Jan - Thu, 16 Jan
14:35 - 10:50SEA-LHR
12h 15m1 stop
12:15 - 17:00LHR-SEA
12h 45m1 stop
£430Icelandair
Find Deal
Thu, 9 Jan - Thu, 16 Jan
15:15 - 12:50SEA-LHR
13h 35m1 stop
14:50 - 14:21LHR-SEA
31h 31m1 stop
£434WestJet
Find Deal
Tue, 21 Jan - Sun, 26 Jan
15:15 - 12:50SEA-LHR
13h 35m1 stop
14:50 - 14:21LHR-SEA
31h 31m1 stop
£435WestJet
Find Deal
Tue, 21 Jan - Sun, 26 Jan
17:45 - 11:10SEA-LHR
9h 25mdirect
06:20 - 11:20LHR-SEA
13h 00m1 stop
£487Virgin Atlantic
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Sun, 29 Dec - Tue, 14 Jan
17:45 - 11:10SEA-LHR
9h 25mdirect
06:30 - 11:51LHR-SEA
13h 21m1 stop
£490Virgin Atlantic
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Tue, 21 Jan - Tue, 28 Jan
10:35 - 10:10SEA-LHR
15h 35m1 stop
06:30 - 18:30LHR-SEA
20h 00m2 stops
£502Lufthansa
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Sun, 29 Dec - Tue, 14 Jan
10:10 - 07:10PDX-LHR
37h 00m2 stops
06:30 - 18:24LHR-PDX
19h 54m2 stops
£506Lufthansa
Find Deal
Tue, 11 Feb - Tue, 25 Feb
17:16 - 10:35SEA-LGW
33h 19m1 stop
Mon, 20 Jan
21:20 - 10:35PDX-LGW
29h 15m1 stop
Mon, 2 Dec
14:35 - 10:55SEA-LGW
12h 20m1 stop
£170Icelandair
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Wed, 15 Jan
14:35 - 10:50SEA-LHR
12h 15m1 stop
£170Icelandair
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Sun, 26 Jan
15:15 - 12:50SEA-LHR
13h 35m1 stop
£172WestJet
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Mon, 20 Jan
15:15 - 12:50SEA-LHR
13h 35m1 stop
£178WestJet
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Thu, 23 Jan
09:40 - 17:40SEA-LHR
24h 00m2 stops
£284Scandinavian Airlines
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Tue, 10 Dec
13:02 - 16:00PDX-LHR
18h 58m2 stops
£290Scandinavian Airlines
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Mon, 9 Dec
10:10 - 10:10PDX-LHR
16h 00m1 stop
£300Lufthansa
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Fri, 31 Jan
10:10 - 10:10PDX-LHR
16h 00m1 stop
£323Lufthansa
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Tue, 31 Dec
14:35 - 19:30PDX-LHR
20h 55m1 stop
20:40 - 16:50LHR-PDX
28h 10m1 stop
£579Icelandair
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Thu, 28 Nov - Thu, 5 Dec
20:00 - 17:50SEA-LHR
13h 50m1 stop
08:50 - 18:15LHR-SEA
17h 25m1 stop
£589Aer Lingus
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Fri, 29 Nov - Sun, 8 Dec
10:10 - 10:10PDX-LHR
16h 00m1 stop
15:00 - 18:41LHR-PDX
35h 41m2 stops
£599United Airlines
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Wed, 27 Nov - Tue, 10 Dec
10:11 - 11:10PDX-LHR
16h 59m1 stop
06:30 - 11:25LHR-PDX
12h 55m1 stop
£603Delta
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Wed, 27 Nov - Tue, 10 Dec
10:10 - 09:20PDX-LHR
15h 10m2 stops
08:55 - 22:53LHR-PDX
21h 58m2 stops
Wed, 27 Nov - Tue, 10 Dec
10:10 - 09:20PDX-LHR
15h 10m2 stops
13:00 - 18:24LHR-PDX
13h 24m1 stop
£609Air Canada
Find Deal
Wed, 27 Nov - Wed, 18 Dec
10:11 - 11:10PDX-LHR
16h 59m1 stop
13:15 - 18:52LHR-PDX
13h 37m1 stop
£620Delta
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Wed, 27 Nov - Wed, 18 Dec
10:10 - 10:10PDX-LHR
16h 00m1 stop
06:30 - 18:24LHR-PDX
19h 54m2 stops
Thu, 28 Nov - Thu, 5 Dec
10:10 - 09:20PDX-LHR
15h 10m2 stops
13:25 - 09:34LHR-PDX
28h 09m2 stops
£643Air Canada
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Wed, 27 Nov - Wed, 18 Dec
08:30 - 10:50SEA-LHR
18h 20m2 stops
06:30 - 12:10LHR-SEA
13h 40m1 stop
£676United Airlines
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Thu, 28 Nov - Thu, 5 Dec
17:45 - 11:10SEA-LHR
9h 25mdirect
13:15 - 15:15LHR-SEA
10h 00mdirect
£496Virgin 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
£502Virgin Atlantic
Find Deal
Sun, 29 Dec - Tue, 14 Jan
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£510British Airways
Find Deal
Tue, 11 Feb - Tue, 25 Feb
18:50 - 12:15SEA-LHR
9h 25mdirect
15:00 - 16:55LHR-SEA
9h 55mdirect
£510Iberia
Find Deal
Mon, 24 Feb - Thu, 6 Mar
18:50 - 12:15SEA-LHR
9h 25mdirect
15:00 - 16:55LHR-SEA
9h 55mdirect
£511British Airways
Find Deal
Wed, 15 Jan - Wed, 22 Jan
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£511Iberia
Find Deal
Wed, 15 Jan - Wed, 22 Jan
13:35 - 07:00SEA-LHR
9h 25mdirect
15:00 - 16:55LHR-SEA
9h 55mdirect
£520Finnair
Find Deal
Tue, 21 Jan - Tue, 28 Jan
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£523Finnair
Find Deal
Tue, 18 Feb - Tue, 4 Mar
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£531American Airlines
Find Deal
Sun, 16 Feb - Tue, 4 Mar
18:30 - 12:10PDX-LHR
9h 40mdirect
14:20 - 16:35LHR-PDX
10h 15mdirect
£532American Airlines
Find Deal
Tue, 11 Feb - Tue, 25 Feb

Delta flights from State of Washington to London

Our best Delta deals on State of Washington to London flight tickets
Delta
7 Jan
SEA17:45Seattle/Tacoma Intl
9h 25m
LHR11:10London Heathrow
17 Jan
LHR06:30London Heathrow
13h 21m
1 stop
SEA11:51Seattle/Tacoma Intl
Delta
25 Feb
PDX00:45Portland
22h 20m
1 stop
LHR07:05London Heathrow
18 Mar
LHR06:30London Heathrow
12h 55m
1 stop
PDX12:25Portland
Delta
1 Apr
SEA19:55Seattle/Tacoma Intl
9h 35m
LHR13:30London Heathrow
9 Apr
LHR09:55London Heathrow
14h 10m
1 stop
SEA16:05Seattle/Tacoma Intl

Aer Lingus flights from State of Washington to London

Our best Aer Lingus deals on State of Washington to London flight tickets
Aer Lingus
23 Feb
SEA20:00Seattle/Tacoma Intl
17h 00m
1 stop
LHR21:00London Heathrow
26 Feb
LHR12:10London Heathrow
14h 05m
1 stop
SEA18:15Seattle/Tacoma Intl
Aer Lingus
29 Nov
SEA20:00Seattle/Tacoma Intl
13h 50m
1 stop
LHR17:50London Heathrow
8 Dec
LHR08:50London Heathrow
17h 25m
1 stop
SEA18:15Seattle/Tacoma Intl
Aer Lingus
29 Nov
SEA20:00Seattle/Tacoma Intl
15h 50m
1 stop
LHR19:50London Heathrow
4 Dec
LHR08:50London Heathrow
17h 25m
1 stop
SEA18:15Seattle/Tacoma Intl

See travel insights to London from

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

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 month to fly to London?

The cheapest month to fly to London from State of Washington is in October. Flight prices, which tend to average around £530, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from State of Washington averaging around £533.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £576. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to London for around £983.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £714. Flights in the morning are often more expensive, with an average ticket price of £1,013.

What is the cheapest Washington to London flight route?

Fly from Seattle/Tacoma Intl to London Heathrow for the best Washington - London flight prices

How far in advance should I book a flight to London?

In general, most travellers find the cheapest time to book a flight to London is about 7 days prior to their departure date, when tickets on average are £648. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from State of Washington for as low as £416 on momondo.

What cabin class options are available on Washington to London flights?

There are 3 cabin classes available to choose from on Washington to London 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 flights?

You could potentially save up to 47% on your flight if you consider stops on a State of Washington to London flight.

Cheap State of Washington to London flight deals and tips

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

Best price found

£158

Fastest flight time

9h 20m

Direct flights

Every day

Airports in London

4 airports
The best one-way flight to London from State of Washington in the past 72 hours is £158. The best return flight deal from State of Washington to London found on momondo in the last 72 hours is £391.
The fastest flight from State of Washington to London takes 9h 20m
Direct flights go from State of Washington to London every day.
There are 4 airports near London: London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

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

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

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

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

    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.

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

    The travel and health documents you'll need for your trip to London 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. 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?


Best airlines flying from State of Washington to London

Compare and see reviews for airlines that fly from State of Washington to London with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £397Free CancellationRating
7.1
544 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £477Free CancellationRating
7.5
662 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £491Free CancellationRating
6.6
6,828 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?

All flight searches from Washington to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Washington to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London