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Luton

$304+ Cheap flights from Dulles Intl (IAD) to Luton (LTN)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LTN
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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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 November 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$579
(Kiwi.com)

One-way from

$304
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$776
Provider with most accurate pricing for Washington, D.C. Dulles Intl-London Luton flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-London Luton flights.
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From Washington, D.C. Dulles Intl to London Luton
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One-way flight from Washington, D.C. Dulles Intl to London Luton
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Highest demand for flights based on searches. 7% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 20, 2025.

This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:05 pmIAD - LTN
1 stop10h 30mMultiple Airlines
Wed 12/106:50 amLTN - IAD
1 stop13h 45mMultiple Airlines
Deal found 11/18$582
This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:45 amIAD - LTN
2 stops29h 25mMultiple Airlines
Sat 12/68:50 pmLTN - IAD
2 stops24h 50mMultiple Airlines
Deal found 11/18$588
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:40 pmIAD - LTN
2 stops22h 25mMultiple Airlines
Mon 12/156:00 amLTN - IAD
2 stops17h 30mMultiple Airlines
Deal found 11/20$592
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:00 amIAD - LTN
3 stops30h 10mMultiple Airlines
Mon 12/18:50 pmLTN - IAD
2 stops24h 00mMultiple Airlines
Deal found 11/19$595
This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:05 pmIAD - LTN
1 stop11h 40mMultiple Airlines
Tue 12/169:00 amLTN - IAD
1 stop11h 35mMultiple Airlines
Deal found 11/18$598
This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:05 pmIAD - LTN
1 stop10h 30mMultiple Airlines
Sun 12/148:05 amLTN - IAD
1 stop12h 30mMultiple Airlines
Deal found 11/18$600
This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:05 pmIAD - LTN
1 stop10h 30mMultiple Airlines
Fri 12/125:50 amLTN - IAD
1 stop14h 45mMultiple Airlines
Deal found 11/18$611
This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:55 pmIAD - LTN
2 stops18h 25mMultiple Airlines
Wed 11/268:50 pmLTN - IAD
2 stops24h 00mMultiple Airlines
Deal found 11/18$612

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated November 20, 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 1/12

5:05 pm-8:35 am

1 stop10h 30m

London Luton

Fri 1/16

5:50 am-3:35 pm

1 stop14h 45m

$584

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 12/10

5:05 pm-8:35 am

1 stop10h 30m

London Luton

Sun 12/14

8:05 am-3:35 pm

1 stop12h 30m

$612

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 12/3

5:05 pm-8:35 am

1 stop10h 30m

London Luton

Sun 12/7

8:05 am-3:35 pm

1 stop12h 30m

$617

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 1/25

7:40 pm-2:35 pm

2 stops13h 55m

London Luton

Sat 1/31

7:15 am-6:30 pm

2 stops16h 15m

$618

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 11/27

8:30 pm-5:50 pm

2 stops16h 20m

London Luton

Tue 12/2

8:30 am-2:40 pm

2 stops35h 10m

$620

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 1/7

7:40 pm-8:05 pm

2 stops19h 25m

London Luton

Wed 1/14

7:00 am-6:30 pm

2 stops16h 30m

$622

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 12/2

8:30 pm-5:20 pm

2 stops15h 50m

London Luton

Sat 12/6

6:00 am-8:05 pm

2 stops19h 05m

$624

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 12/11

5:05 pm-8:45 am

1 stop10h 40m

London Luton

Mon 12/15

6:00 am-3:35 pm

1 stop14h 35m

$703

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 12/5

9:45 am-8:10 pm

3 stops29h 25m

London Luton

Sat 12/13

8:50 pm-4:40 pm

2 stops24h 50m

$707

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 1/5

5:05 pm-8:35 am

1 stop10h 30m

London Luton

Mon 1/12

8:50 am-3:35 pm

1 stop11h 45m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 23 results
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  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-London Luton Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-London Luton Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-London Luton Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-London Luton Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-London Luton Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 20% of weekly flights between Washington, D.C. and London have experienced delays in the past year, with the average delay time being 17 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 last 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 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 vacation 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.

Traveling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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