Cheap flights from Washington to London from £224

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 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:05 - 17:05SEA-LTN
13h 00m1 stop
Multiple Airlines Logo
06:50 - 18:20LTN-SEA
19h 30m1 stop
£399Multiple Airlines
Find Deal
Wed, 5 Nov - Wed, 12 Nov
Multiple Airlines Logo
20:05 - 17:05SEA-LTN
13h 00m1 stop
Multiple Airlines Logo
06:50 - 18:20LTN-SEA
19h 30m1 stop
£403Multiple Airlines
Find Deal
Wed, 5 Nov - Wed, 12 Nov
Multiple Airlines Logo
20:05 - 17:05SEA-LTN
13h 00m1 stop
Multiple Airlines Logo
06:50 - 18:20LTN-SEA
19h 30m1 stop
£410Multiple Airlines
Find Deal
Wed, 5 Nov - Wed, 12 Nov
Multiple Airlines Logo
15:10 - 23:05SEA-LTN
23h 55m2 stops
Multiple Airlines Logo
05:50 - 22:06LTN-SEA
24h 16m3 stops
£433Multiple Airlines
Find Deal
Wed, 19 Nov - Fri, 28 Nov
Multiple Airlines Logo
15:10 - 23:05SEA-LTN
23h 55m2 stops
Multiple Airlines Logo
20:00 - 19:16LTN-SEA
31h 16m3 stops
£449Multiple Airlines
Find Deal
Wed, 19 Nov - Thu, 27 Nov
Multiple Airlines Logo
14:35 - 15:25SEA-LTN
16h 50m2 stops
Multiple Airlines Logo
05:50 - 17:00LTN-SEA
19h 10m2 stops
£452Multiple Airlines
Find Deal
Fri, 7 Nov - Fri, 14 Nov
Multiple Airlines Logo
15:10 - 20:10SEA-LTN
21h 00m2 stops
Multiple Airlines Logo
05:50 - 22:06LTN-SEA
24h 16m3 stops
£457Multiple Airlines
Find Deal
Fri, 7 Nov - Fri, 14 Nov
Multiple Airlines Logo
14:35 - 17:05SEA-LTN
18h 30m2 stops
Multiple Airlines Logo
09:00 - 17:00LTN-SEA
16h 00m2 stops
£457Multiple Airlines
Find Deal
Wed, 19 Nov - Thu, 27 Nov
Multiple Airlines Logo
14:35 - 20:30SEA-LTN
21h 55m2 stops
Multiple Airlines Logo
09:00 - 17:00LTN-SEA
16h 00m2 stops
£461Multiple Airlines
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Multiple Airlines Logo
14:35 - 14:35SEA-LTN
16h 00m2 stops
Multiple Airlines Logo
07:00 - 17:00LTN-SEA
18h 00m2 stops
£465Multiple Airlines
Find Deal
Sun, 16 Nov - Sun, 23 Nov

momondo Fare Finder

 
Customise your flight search to find flights from State of Washington to London Luton Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 9 October 2025.
Use the filters below to find and compare flights from Washington to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 5/11

20:05-17:05

1 stop13h 00m

London Luton

Wed 12/11

06:50-18:20

1 stop19h 30m

£399

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 5/11

20:05-17:05

1 stop13h 00m

London Luton

Wed 12/11

06:50-18:20

1 stop19h 30m

£403

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 5/11

20:05-17:05

1 stop13h 00m

London Luton

Wed 12/11

06:50-18:20

1 stop19h 30m

£410

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 19/11

15:10-23:05

2 stops23h 55m

London Luton

Fri 28/11

05:50-22:06

3 stops24h 16m

£433

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 19/11

15:10-23:05

2 stops23h 55m

London Luton

Thu 27/11

20:00-19:16

3 stops31h 16m

£449

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 7/11

14:35-15:25

2 stops16h 50m

London Luton

Fri 14/11

05:50-17:00

2 stops19h 10m

£452

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 7/11

15:10-20:10

2 stops21h 00m

London Luton

Fri 14/11

05:50-22:06

3 stops24h 16m

£457

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 19/11

14:35-17:05

2 stops18h 30m

London Luton

Thu 27/11

09:00-17:00

2 stops16h 00m

£457

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 4/12

14:35-20:30

2 stops21h 55m

London Luton

Thu 11/12

09:00-17:00

2 stops16h 00m

£461

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 16/11

14:35-14:35

2 stops16h 00m

London Luton

Sun 23/11

07:00-17:00

2 stops18h 00m

£465

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

How long does it take to fly to London Luton Airport?

If you’re flying from a popular airport in State of Washington, such as Seattle or Spokane, and flying into London Luton Airport, then you can expect flight times to average 9h 20m and 13h 20m, respectively.

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

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

Direct flights

None
There are no direct flights from State of Washington to London Luton Airport. There are no popular flight routes from State of Washington to London Luton Airport.
  • When did momondo last update prices for flights from Washington to London Luton Airport?

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

  • How old do you have to be to fly from Washington to London Luton 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 Luton Airport.

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

    The travel and health documents you'll need for your trip to London Luton 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 Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Bedford
Ramsgate
Stansted

Why use momondo?

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

Finding the right flight to London from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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 all potential Washington to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Luton Airport trip

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1 adult
Sat 8/11
Sat 15/11

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