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Cheap flights from Washington, D.C. Dulles Intl Airport to London Luton Airport from £189

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LTN
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Luton

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 29 October 2025.

Round-trip from

£423

One-way from

£189

Popular in

June

Cheapest in

September

Average price

£507
19/11-27/11
  • 19/11-27/11
  • 4 total stops
  • 55h 35m total
  • Washington, D.C. to London
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1/12
  • 1/12
  • 3 total stops
  • 43h 30m total
  • Washington, D.C. to London
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Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Dulles Intl to Luton

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Luton
Explore the most affordable flight options available from Dulles Intl to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Wed 19/1109:45IAD - LTN
2 stops31h 35mMultiple Airlines
Thu 27/1120:50LTN - IAD
2 stops24h 00mMultiple Airlines
Deal found 28/10£423
Mon 24/1109:45IAD - LTN
2 stops29h 25mMultiple Airlines
Tue 2/1220:50LTN - IAD
2 stops24h 00mMultiple Airlines
Deal found 28/10£424
Mon 10/1109:45IAD - LTN
2 stops29h 25mMultiple Airlines
Thu 20/1120:50LTN - IAD
2 stops24h 00mMultiple Airlines
Deal found 28/10£424
Tue 4/1117:05IAD - LTN
1 stop11h 40mMultiple Airlines
Tue 11/1109:00LTN - IAD
1 stop11h 35mMultiple Airlines
Deal found 28/10£427
Wed 3/1219:40IAD - LTN
1 stop20h 10mMultiple Airlines
Wed 10/1208:00LTN - IAD
1 stop15h 30mMultiple Airlines
Deal found 28/10£433
Sun 23/1122:55IAD - LTN
2 stops16h 00mMultiple Airlines
Tue 2/1220:50LTN - IAD
2 stops28h 15mMultiple Airlines
Deal found 28/10£434
Thu 4/1219:40IAD - LTN
2 stops15h 20mMultiple Airlines
Wed 10/1206:50LTN - IAD
2 stops16h 40mMultiple Airlines
Deal found 27/10£435
Tue 2/1219:40IAD - LTN
2 stops19h 25mMultiple Airlines
Wed 10/1206:50LTN - IAD
2 stops16h 40mMultiple Airlines
Deal found 27/10£437
Sat 6/1220:30IAD - LTN
2 stops21h 25mMultiple Airlines
Wed 10/1214:40LTN - IAD
2 stops31h 35mMultiple Airlines
Deal found 28/10£445

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dulles Intl 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 29 October 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London Luton Airport that are best for you.

Fly from

Dulles Intl

Fly to

Luton

Route

Depart

Return

Price

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 10/11

09:45-20:10

2 stops29h 25m

London Luton

Thu 20/11

20:50-15:50

2 stops24h 00m

£424

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 16/2

19:40-14:00

1 stop13h 20m

London Luton

Mon 23/2

08:00-18:30

1 stop15h 30m

£435

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 4/12

19:40-16:00

2 stops15h 20m

London Luton

Wed 10/12

06:50-18:30

2 stops16h 40m

£435

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 1/2

12:30-14:35

3 stops21h 05m

London Luton

Tue 10/2

10:55-17:15

2 stops35h 20m

£449

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 26/11

17:05-08:35

1 stop10h 30m

London Luton

Wed 3/12

06:50-15:35

1 stop13h 45m

£460

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 12/1

09:45-18:15

3 stops27h 30m

London Luton

Fri 16/1

14:35-16:40

2 stops31h 05m

£464

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 11/11

19:40-17:50

2 stops17h 10m

London Luton

Tue 18/11

07:10-18:30

2 stops16h 20m

£476

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 7/1

19:40-12:55

1 stop12h 15m

London Luton

Sun 11/1

06:00-18:30

1 stop17h 30m

£481

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 27/1

19:40-22:00

2 stops21h 20m

London Luton

Sun 1/2

08:25-18:30

2 stops15h 05m

£495

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 9/11

19:40-14:35

2 stops13h 55m

London Luton

Thu 13/11

07:15-18:30

2 stops16h 15m

£502

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 22 results
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Best time to book a flight from Dulles Intl to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Dulles Intl 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. Dulles Intl Airport to London Luton Airport

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

About 0% of weekly flights between Washington, D.C. and London have experienced delays in the past year, with the average delay time being 0 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 at night 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 Saturday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 Dulles Intl to Luton that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Luton?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Crawley
Romford
Brentford
Ipswich
Bedford
Eastbourne

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How does Cheapflights help users find flights from Dulles Intl to Luton?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Luton from Dulles Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Luton?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to Luton.

Can Cheapflights find flights from Dulles Intl to Luton with no change fees?

Yes! Cheapflights helps users easily find flights from Dulles Intl to Luton with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl to Luton become cheaper?

Of course! You can now track prices for flights from Dulles Intl to Luton and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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