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Cheap flights from Washington to London Luton Airport from £195

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Luton

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Luton
Explore the most affordable flight options available from Washington to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 August 2026.

Wed 14/1017:40 -
2 stops18h 15m
Mon 19/1020:35 -
2 stops27h 05m
Deal found 12/8£509
Sun 11/1019:00 -
2 stops19h 55m
Tue 20/1009:30 -
2 stops19h 10m
Deal found 10/8£549
Sun 25/1019:10 -
1 stop12h 55m
Sat 31/1007:00 -
1 stop18h 00m
Deal found 10/8£554
Tue 22/905:50 -
3 stops24h 10m
Tue 6/1008:00 -
3 stops33h 52m
Deal found 9/8£557
Thu 15/1019:00 -
2 stops15h 30m
Tue 20/1006:00 -
2 stops22h 40m
Deal found 11/8£559
Fri 2/1015:40 -
2 stops24h 50m
Fri 9/1006:20 -
2 stops19h 35m
Deal found 9/8£563
Sun 6/919:00 -
2 stops18h 45m
Tue 22/906:00 -
2 stops22h 40m
Deal found 9/8£569
Sun 27/919:00 -
2 stops18h 45m
Sun 4/1007:50 -
2 stops20h 50m
Deal found 11/8£571
Wed 7/1017:40 -
2 stops19h 25m
Sun 11/1021:50 -
2 stops26h 20m
Deal found 11/8£572
Mon 14/918:10 -
2 stops18h 05m
Sun 27/920:50 -
2 stops27h 20m
Deal found 8/8£574
Wed 30/915:30 -
2 stops22h 45m
Wed 7/1006:15 -
1 stop19h 40m
Deal found 10/8£671
Fri 25/910:10 -
2 stops23h 15m
Fri 2/1006:20 -
2 stops16h 31m
Deal found 11/8£679

Find flight deals from Washington to Luton

Keep the following information in mind while searching for Washington to Luton flight deals. Data was last updated 12 August 2026.

Round-trip from

£509

One-way from

£195

Popular in

June

Cheapest in

January

Average price

£626
14/10-19/10
  • 14/10-19/10
  • 4 total stops
  • 45h 20m total
  • Washington to London
Search Deals
6/9
  • 6/9
  • 3 total stops
  • 56h 00m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£119 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington to Luton 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, Cheapflights users made 858,174 searches. Data last updated 12 August 2026.
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

Cheapest return flight

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Sun 25/10

19:10-15:05

1 stop12h 55m

London Luton

Thu 5/11

06:00-17:00

1 stop19h 00m

£585

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Tue 27/10

15:35-20:00

2 stops21h 25m

London Luton

Tue 3/11

07:45-17:00

2 stops17h 15m

£592
Fastest return journey

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Wed 18/11

14:35-13:00

1 stop14h 25m

London Luton

Wed 25/11

08:00-17:00

1 stop17h 00m

£596

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Mon 14/9

18:10-20:15

2 stops18h 05m

London Luton

Sun 27/9

20:50-16:10

2 stops27h 20m

£617

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Sun 13/12

14:35-15:05

1 stop16h 30m

London Luton

Thu 17/12

06:00-17:00

1 stop19h 00m

£618

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Tue 27/10

15:35-15:05

1 stop16h 30m

London Luton

Mon 2/11

08:00-17:00

1 stop17h 00m

£658

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Tue 8/9

15:40-22:10

2 stops22h 30m

London Luton

Wed 16/9

06:10-18:45

2 stops20h 35m

£671

PortlandLondon

PDX Portland - LTN London Luton

PDXLTN

Portland

Wed 9/9

19:00-22:35

2 stops19h 35m

London Luton

Wed 16/9

06:10-09:31

3 stops35h 21m

£686

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Fri 27/11

14:35-13:55

1 stop15h 20m

London Luton

Mon 30/11

08:00-17:00

1 stop17h 00m

£691

SeattleLondon

SEA Seattle/Tacoma Intl - LTN London Luton

SEALTN

Seattle/Tacoma Intl

Mon 21/9

15:40-22:15

2 stops22h 35m

London Luton

Mon 5/10

06:05-17:55

2 stops19h 50m

£699

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Washington to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Washington with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to London Luton Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Washington to Luton that include hotel bookings?

    Yes. In addition to deals on Washington to Luton flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington to Luton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Luton.

  • Can I find deals for business class flights from Washington to Luton?

    Yes. Cheapflights offers flight deals from Washington to Luton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Travelling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

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Alternative routes for Washington to Luton

See prices for flight routes from nearby airports that may be better suited for you.
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Yes, Cheapflights offers price alerts on Washington to Luton flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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