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Cheap flights from Washington to London Luton Airport from £255

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
7 Jan — 14 Jan1
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 8 December 2025.

Mon 8/1208:10SEA - LTN
2 stops30h 50mMultiple Airlines
Mon 15/1207:05LTN - SEA
2 stops23h 11mMultiple Airlines
Deal found 7/12£592
Mon 8/1214:00SEA - LTN
2 stops24h 30mMultiple Airlines
Sun 14/1218:10LTN - SEA
2 stops26h 00mMultiple Airlines
Deal found 7/12£706
Sun 14/1220:05SEA - LTN
1 stop17h 55mMultiple Airlines
Sun 28/1213:10LTN - SEA
1 stop13h 10mMultiple Airlines
Deal found 7/12£779
Tue 9/1214:45PDX - LTN
3 stops23h 20mMultiple Airlines
Wed 17/1208:00LTN - PDX
1 stop17h 00mMultiple Airlines
Deal found 5/12£811
Mon 8/1214:45PDX - LTN
2 stops15h 25mMultiple Airlines
Mon 15/1207:20LTN - PDX
2 stops17h 40mMultiple Airlines
Deal found 7/12£855
Tue 16/1208:10SEA - LTN
2 stops17h 35mMultiple Airlines
Tue 23/1220:50LTN - SEA
2 stops26h 50mMultiple Airlines
Deal found 7/12£862
Sun 7/1220:05SEA - LTN
1 stop17h 55mMultiple Airlines
Mon 15/1206:00LTN - SEA
1 stop20h 20mMultiple Airlines
Deal found 7/12£865
Mon 8/1214:45PDX - LTN
1 stop15h 15mMultiple Airlines
Sun 14/1206:00LTN - PDX
1 stop19h 00mMultiple Airlines
Deal found 7/12£879
Tue 9/1214:45PDX - LTN
1 stop16h 05mMultiple Airlines
Mon 15/1208:00LTN - PDX
1 stop17h 00mMultiple Airlines
Deal found 7/12£882
Wed 10/1208:10SEA - LTN
2 stops21h 20mMultiple Airlines
Fri 12/1217:30LTN - SEA
2 stops31h 35mMultiple Airlines
Deal found 6/12£924
Thu 25/1217:40SEA - LTN
2 stops20h 45mMultiple Airlines
Mon 29/1207:00LTN - SEA
2 stops16h 40mMultiple Airlines
Deal found 6/12£959
Mon 8/1208:10SEA - LTN
2 stops21h 30mMultiple Airlines
Fri 12/1217:30LTN - SEA
2 stops31h 35mMultiple Airlines
Deal found 7/12£960

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 8 December 2025.

Round-trip from

£449

One-way from

£255

Popular in

June

Cheapest in

November

Average price

£725
10/3-18/3
  • 10/3-18/3
  • 4 total stops
  • 39h 30m total
  • Washington to London
Search Deals
6/1
  • 6/1
  • 3 total stops
  • 42h 35m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 8 December 2025.
Use the filters below to find and compare flights from Washington to London Luton Airport that are best for you.

Fly from

Washington

Fly to

Luton

Route

Depart

Return

Price

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 10/3

15:45-20:05

2 stops21h 20m

London Luton

Wed 18/3

06:50-18:00

2 stops18h 10m

£449

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 4/3

20:05-17:05

1 stop13h 00m

London Luton

Wed 11/3

06:50-19:20

1 stop19h 30m

£454

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 15/1

08:10-20:55

3 stops28h 45m

London Luton

Mon 19/1

21:40-19:16

3 stops29h 36m

£461

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 14/1

08:10-18:40

2 stops26h 30m

London Luton

Sun 18/1

19:30-12:10

2 stops24h 40m

£476

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 15/4

18:45-15:25

1 stop12h 40m

London Luton

Wed 22/4

06:15-16:59

1 stop18h 44m

£479

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 22/1

14:35-17:15

2 stops18h 40m

London Luton

Sun 1/2

07:00-17:00

2 stops18h 00m

£481

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 21/1

14:35-12:55

1 stop14h 20m

London Luton

Wed 28/1

08:00-17:00

1 stop17h 00m

£491

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 11/2

14:35-16:15

2 stops17h 40m

London Luton

Wed 18/2

08:50-17:00

2 stops16h 10m

£492

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 8/1

14:00-17:50

2 stops19h 50m

London Luton

Wed 21/1

18:55-19:16

3 stops32h 21m

£496

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 23/1

14:35-21:55

2 stops23h 20m

London Luton

Fri 30/1

07:00-17:00

2 stops18h 00m

£497

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Showing 1-10 of 40 results
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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
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Romford
Bedford
Chichester
Guildford
Ipswich

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Alternative routes for Washington to Luton

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