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Cheap flights from Washington, D.C. Dulles Intl Airport to London Luton Airport from £193

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LTN
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Round-trip from

£365

One-way from

£193

Popular in

June

Cheapest in

January

Average price

£482
10/12-17/12
  • 10/12-17/12
  • 2 total stops
  • 27h 45m total
  • Washington, D.C. to London
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15/10
  • 15/10
  • 2 total stops
  • 16h 55m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£53 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Dulles Intl to Luton

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 12 September 2025.

Wed 10/1219:40IAD - LTN
1 stop12h 15mMultiple Airlines
Wed 17/1208:00LTN - IAD
1 stop15h 30mMultiple Airlines
Deal found 9/9£365
Fri 7/1119:40IAD - LTN
2 stops15h 35mMultiple Airlines
Tue 11/1109:00LTN - IAD
2 stops14h 30mMultiple Airlines
Deal found 11/9£367
Wed 5/1119:40IAD - LTN
1 stop12h 15mMultiple Airlines
Wed 12/1108:00LTN - IAD
1 stop15h 30mMultiple Airlines
Deal found 10/9£368
Mon 13/1017:45IAD - LTN
2 stops24h 35mMultiple Airlines
Tue 21/1018:10LTN - IAD
2 stops26h 10mMultiple Airlines
Deal found 10/9£369
Fri 7/1119:40IAD - LTN
2 stops14h 45mMultiple Airlines
Sat 15/1106:00LTN - IAD
2 stops17h 30mMultiple Airlines
Deal found 11/9£371
Tue 4/1119:40IAD - LTN
1 stop14h 10mMultiple Airlines
Mon 10/1108:00LTN - IAD
1 stop15h 30mMultiple Airlines
Deal found 10/9£371
Tue 28/1020:40IAD - LTN
2 stops19h 25mMultiple Airlines
Tue 11/1109:00LTN - IAD
2 stops14h 30mMultiple Airlines
Deal found 11/9£372
Tue 4/1119:40IAD - LTN
1 stop14h 10mMultiple Airlines
Thu 13/1106:00LTN - IAD
1 stop17h 30mMultiple Airlines
Deal found 10/9£374
Mon 1/1219:40IAD - LTN
1 stop13h 20mMultiple Airlines
Mon 15/1208:00LTN - IAD
1 stop15h 30mMultiple Airlines
Deal found 11/9£381
Tue 2/1219:40IAD - LTN
1 stop14h 10mMultiple Airlines
Mon 15/1208:00LTN - IAD
1 stop15h 30mMultiple Airlines
Deal found 11/9£382
Mon 3/1119:40IAD - LTN
1 stop13h 20mMultiple Airlines
Wed 12/1108:00LTN - IAD
1 stop15h 30mMultiple Airlines
Deal found 10/9£383
Sun 23/1119:40IAD - LTN
1 stop14h 10mMultiple Airlines
Thu 27/1106:00LTN - IAD
1 stop17h 30mMultiple Airlines
Deal found 10/9£384

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 12 September 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

Wed 10/12

19:40-12:55

1 stop12h 15m

London Luton

Wed 17/12

08:00-18:30

1 stop15h 30m

£365

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 13/1

19:40-14:50

1 stop14h 10m

London Luton

Tue 20/1

07:00-18:30

1 stop16h 30m

£368

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 3/12

19:40-12:55

1 stop12h 15m

London Luton

Mon 15/12

08:00-18:30

1 stop15h 30m

£381

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 1/12

19:40-14:00

1 stop13h 20m

London Luton

Mon 15/12

08:00-18:30

1 stop15h 30m

£381

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 23/11

19:40-14:50

1 stop14h 10m

London Luton

Thu 27/11

06:00-18:30

1 stop17h 30m

£384

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 30/11

19:40-14:50

1 stop14h 10m

London Luton

Sun 14/12

06:00-18:30

1 stop17h 30m

£405

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 18/11

19:40-14:50

1 stop14h 10m

London Luton

Sun 23/11

06:00-18:30

1 stop17h 30m

£416

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 1/12

19:40-14:00

1 stop13h 20m

London Luton

Sun 7/12

06:00-18:30

1 stop17h 30m

£420

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 1/12

19:40-14:00

1 stop13h 20m

London Luton

Sun 14/12

06:00-18:30

1 stop17h 30m

£425

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 1/12

19:40-14:00

1 stop13h 20m

London Luton

Tue 16/12

07:00-18:30

1 stop16h 30m

£433

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 21 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.

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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to London Luton Airport?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to London Luton Airport (average of £76). Flying from Washington, D.C. Dulles Intl Airport to London Luton Airport in July is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Hounslow
Gatwick
Slough
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Winchester
Chichester
Ipswich
Dartford
Eastbourne
Guildford
Bishop's Stortford

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