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Cheap flights from Washington, D.C. to London Luton Airport from £185

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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LTN
29 Jan — 5 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington, D.C. to Luton

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Luton
Explore the most affordable flight options available from Washington, D.C. to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 December 2025.

Wed 31/1219:40IAD - LTN
2 stops19h 20mMultiple Airlines
Wed 14/114:40LTN - IAD
2 stops29h 35mMultiple Airlines
Deal found 28/12£550
Tue 30/1218:00IAD - LTN
2 stops23h 35mMultiple Airlines
Fri 9/120:50LTN - IAD
3 stops28h 36mMultiple Airlines
Deal found 28/12£613
Mon 29/1217:30IAD - LTN
2 stops17h 15mMultiple Airlines
Mon 12/121:40LTN - IAD
2 stops21h 55mMultiple Airlines
Deal found 28/12£770
Wed 31/1209:45IAD - LTN
3 stops30h 20mMultiple Airlines
Mon 5/108:20LTN - IAD
2 stops35h 20mMultiple Airlines
Deal found 29/12£817
Mon 29/1219:40IAD - LTN
1 stop13h 20mMultiple Airlines
Thu 15/106:00LTN - IAD
1 stop17h 30mMultiple Airlines
Deal found 27/12£843
Mon 29/1211:05DCA - LTN
3 stops21h 50mMultiple Airlines
Mon 12/108:30LTN - DCA
3 stops18h 26mMultiple Airlines
Deal found 28/12£872
Wed 31/1219:40IAD - LTN
2 stops19h 20mMultiple Airlines
Fri 9/105:50LTN - IAD
1 stop14h 45mMultiple Airlines
Deal found 28/12£899
Mon 29/1220:30IAD - LTN
2 stops16h 45mMultiple Airlines
Mon 5/119:05LTN - IAD
2 stops24h 35mMultiple Airlines
Deal found 28/12£1,129
Wed 31/1219:40IAD - LTN
2 stops16h 25mMultiple Airlines
Sat 3/109:00LTN - IAD
1 stop11h 35mMultiple Airlines
Deal found 29/12£1,268
Tue 30/1219:40BWI - LTN
1 stop14h 10mMultiple Airlines
Tue 6/107:00LTN - BWI
1 stop16h 40mMultiple Airlines
Deal found 29/12£1,563

Find flight deals from Washington, D.C. to Luton

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Luton (LTN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 December 2025.

Round-trip from

£396

One-way from

£185

Popular in

December

Cheapest in

September

Average price

£732
19/4-29/4
  • 19/4-29/4
  • 2 total stops
  • 29h 35m total
  • Washington, D.C. to London
Search Deals
19/1
  • 19/1
  • 2 total stops
  • 40h 43m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£29 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, D.C. 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 30 December 2025.
Use the filters below to find and compare flights from Washington, D.C. to London Luton Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Luton

Route

Depart

Return

Price

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 9/3

20:40-14:00

1 stop13h 20m

London Luton

Wed 18/3

08:00-19:30

1 stop15h 30m

£428

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Mon 2/3

19:40-14:00

1 stop13h 20m

London Luton

Wed 11/3

08:00-19:40

1 stop15h 40m

£430

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 10/2

19:40-14:50

1 stop14h 10m

London Luton

Tue 24/2

07:00-18:30

1 stop16h 30m

£430

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Wed 14/1

19:40-12:55

1 stop12h 15m

London Luton

Tue 27/1

07:00-18:40

1 stop16h 40m

£435

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 10/3

20:40-14:50

1 stop14h 10m

London Luton

Tue 17/3

07:00-19:30

1 stop16h 30m

£435

Washington, D.C.London

DCA - LTN

DCALTN

Washington, D.C. Reagan-National

Mon 26/1

16:15-20:10

3 stops22h 55m

London Luton

Mon 2/2

20:50-15:33

3 stops23h 43m

£436

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Tue 24/2

19:40-14:50

1 stop14h 10m

London Luton

Tue 3/3

07:00-18:40

1 stop16h 40m

£439

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 8/3

20:40-14:50

1 stop14h 10m

London Luton

Tue 17/3

07:00-19:30

1 stop16h 30m

£440

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 18/2

09:45-19:25

2 stops28h 40m

London Luton

Mon 23/2

20:50-15:50

2 stops24h 00m

£442

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Tue 3/2

19:40-14:50

1 stop14h 10m

London Luton

Sun 8/2

06:00-18:40

1 stop17h 40m

£444

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 57 results
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Best time to book a flight from Washington, D.C. to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Washington, D.C. 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, D.C. to London Luton Airport

How often are flights from Washington, D.C. to London delayed?

About 25% of weekly flights between Washington, D.C. and London have experienced delays in the past year, with the average delay time being 21 minutes.

What is the most punctual flight time for Washington, D.C. to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to London flights?

Over the past year, Air Seoul have had the lowest number of delays on this route, with just 100% of flights being delayed.

Related info for your journey

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

  • What are the most popular routes from Washington, D.C. to London Luton Airport?

    The most popular route from Washington, D.C. to London Luton Airport is Washington, D.C. Dulles Intl - London Luton. You may also consider Baltimore/Washington - London Luton or Washington, D.C. Reagan-National - London Luton.

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

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

  • How can I find direct flights from Washington, D.C. to Luton?

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

  • Can I find deals for business class flights from Washington, D.C. to Luton?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

See more FAQs

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
Luton
Slough
Hounslow
Gatwick
Ilford
Wembley
Hayes
Brentford
Colchester
Watford
Crawley
Bedford
Chelmsford
Romford
Eastbourne
Ipswich
Bishop's Stortford
Guildford

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Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Luton?

Cheapflights helps you find that perfect flight to Luton from Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Washington, D.C. to Luton with no change fees?

Yes, we can. To see specific flights from Washington, D.C. to Luton with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Luton become cheaper?

Not ready to book yet? You can track prices for flights from Washington, D.C. to Luton on Cheapflights with our Price Alert feature and get notified when better prices are available.

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