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Cheap flights from Washington to London from £191

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 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Logo
20:05 - 16:40SEA-LTN
12h 35m1 stop
Logo
06:50 - 18:20LTN-SEA
19h 30m1 stop
£346
Find Deal
Wed, 12 Nov - Wed, 19 Nov
Logo
20:05 - 21:40SEA-LTN
17h 35m1 stop
Logo
06:50 - 18:20LTN-SEA
19h 30m1 stop
£357
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Logo
14:35 - 15:20SEA-LTN
16h 45m2 stops
Logo
06:50 - 17:00LTN-SEA
18h 10m2 stops
£357
Find Deal
Fri, 7 Nov - Wed, 12 Nov
Logo
19:35 - 22:10SEA-LTN
18h 35m1 stop
Logo
10:00 - 17:50LTN-SEA
15h 50m1 stop
£389
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Logo
07:15 - 16:00SEA-LTN
24h 45m2 stops
Logo
21:55 - 19:31LTN-SEA
29h 36m2 stops
£390
Find Deal
Mon, 8 Sep - Mon, 15 Sep
Logo
16:25 - 21:25SEA-LTN
21h 00m2 stops
Logo
21:50 - 14:16LTN-SEA
24h 26m2 stops
£395
Find Deal
Mon, 8 Sep - Tue, 23 Sep
Logo
16:25 - 21:25SEA-LTN
21h 00m2 stops
Logo
21:55 - 18:36LTN-SEA
28h 41m3 stops
£398
Find Deal
Mon, 1 Sep - Mon, 8 Sep
Logo
15:45 - 22:10SEA-LTN
22h 25m2 stops
Logo
10:00 - 17:50LTN-SEA
15h 50m2 stops
£404
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Logo
16:25 - 21:25SEA-LTN
21h 00m2 stops
Logo
21:55 - 18:36LTN-SEA
28h 41m3 stops
£415
Find Deal
Mon, 1 Sep - Mon, 8 Sep
Logo
05:30 - 12:35SEA-LTN
23h 05m3 stops
Logo
22:10 - 18:36LTN-SEA
28h 26m2 stops
£440
Find Deal
Tue, 9 Sep - Sat, 13 Sep

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 11 August 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 12/11

20:05-16:40

1 stop12h 35m

London Luton

Wed 19/11

06:50-18:20

1 stop19h 30m

£346

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 26/11

20:05-21:40

1 stop17h 35m

London Luton

Wed 3/12

06:50-18:20

1 stop19h 30m

£357

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 7/11

14:35-15:20

2 stops16h 45m

London Luton

Wed 12/11

06:50-17:00

2 stops18h 10m

£357

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 7/10

19:35-22:10

1 stop18h 35m

London Luton

Tue 14/10

10:00-17:50

1 stop15h 50m

£389

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 8/9

07:15-16:00

2 stops24h 45m

London Luton

Mon 15/9

21:55-19:31

2 stops29h 36m

£390

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 8/9

16:25-21:25

2 stops21h 00m

London Luton

Tue 23/9

21:50-14:16

2 stops24h 26m

£395

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 1/9

16:25-21:25

2 stops21h 00m

London Luton

Mon 8/9

21:55-18:36

3 stops28h 41m

£398

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 7/10

15:45-22:10

2 stops22h 25m

London Luton

Tue 14/10

10:00-17:50

2 stops15h 50m

£404

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 1/9

16:25-21:25

2 stops21h 00m

London Luton

Mon 8/9

21:55-18:36

3 stops28h 41m

£415

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 9/9

05:30-12:35

3 stops23h 05m

London Luton

Sat 13/9

22:10-18:36

2 stops28h 26m

£440

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 Bellingham, and flying into London Luton Airport, then you can expect flight times to average 9h 20m and 13h 53m, 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

Best price found

£191

Fastest flight time

12h 30m

Direct flights

None
The best one-way flight to London Luton Airport from State of Washington in the past 72 hours is £191. The best return flight deal from State of Washington to London Luton Airport found on momondo in the last 72 hours is £346.
The fastest flight from State of Washington to London Luton Airport takes 12h 30m
There are no direct flights from State of Washington to London Luton Airport. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - London Luton Airport and Portland Airport - London Luton Airport.
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  • 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
Slough
Maidstone
Southend-on-Sea
Canterbury
Gatwick
Ipswich
Ilford
Guildford
Colchester
Dartford
Hounslow
Worthing
Dover
Chelmsford
Hayes
Winchester
Bedford

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.

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