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Luton

$358+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LTN
May 7 — May 141
Thu 5/7
Thu 5/14
1 adult, Economy
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Cheap 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 April 7, 2026.

This Mytrip deal was found by Cheapflights users on 4/3. 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 4/285:05 pm
IAD
-
LTN
2 stops15h 40m
Multiple Airlines
Wed 5/68:00 am
LTN
-
IAD
2 stops17h 35m
Multiple Airlines
Deal found 4/3$653
This Mytrip deal was found by Cheapflights users on 4/3. 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 4/281:20 pm
IAD
-
LTN
2 stops24h 05m
Multiple Airlines
Tue 5/51:50 pm
LTN
-
IAD
2 stops26h 45m
Multiple Airlines
Deal found 4/3$655
This Mytrip deal was found by Cheapflights users on 4/3. 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.
Sun 4/191:20 pm
IAD
-
LTN
2 stops24h 05m
Multiple Airlines
Tue 4/281:35 pm
LTN
-
IAD
2 stops27h 00m
Multiple Airlines
Deal found 4/3$659
This Mytrip deal was found by Cheapflights users on 4/6. 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 4/221:20 pm
IAD
-
LTN
2 stops21h 05m
Multiple Airlines
Sun 4/267:20 am
LTN
-
IAD
2 stops33h 15m
Multiple Airlines
Deal found 4/6$692
This Mytrip deal was found by Cheapflights users on 4/6. 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 4/201:20 pm
IAD
-
LTN
2 stops19h 25m
Multiple Airlines
Tue 4/286:45 am
LTN
-
IAD
2 stops33h 50m
Multiple Airlines
Deal found 4/6$695
This Mytrip deal was found by Cheapflights users on 4/6. 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 5/58:30 pm
IAD
-
LTN
3 stops22h 15m
Multiple Airlines
Thu 5/148:00 am
LTN
-
IAD
2 stops17h 35m
Multiple Airlines
Deal found 4/6$706
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Thu 4/231:20 pm
IAD
-
LTN
2 stops29h 05m
Multiple Airlines
Tue 4/289:40 am
LTN
-
IAD
2 stops30h 55m
Multiple Airlines
Deal found 4/6$715
This Mytrip deal was found by Cheapflights users on 4/2. 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.
Sun 5/31:20 pm
IAD
-
LTN
2 stops27h 05m
Multiple Airlines
Thu 5/145:00 am
LTN
-
IAD
2 stops35h 35m
Multiple Airlines
Deal found 4/2$716

Find 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 April 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$653
(Mytrip)

One-way from

$358
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$700
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
Search Deals
One-way flight from Washington, D.C. Dulles Intl to London Luton
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 7, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 4/19

1:20 pm-6:25 pm

2 stops24h 05m

London Luton

Tue 4/28

1:35 pm-11:35 am

2 stops27h 00m

$659

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 5/4

8:20 pm-6:40 pm

2 stops17h 20m

London Luton

Thu 5/14

7:55 pm-5:00 pm

2 stops26h 05m

$744

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 5/6

5:45 pm-1:45 pm

2 stops15h 00m

London Luton

Sun 5/10

8:00 am-2:15 pm

2 stops35h 15m

$901

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 4/25

8:30 pm-1:15 pm

1 stop11h 45m

London Luton

Sun 5/3

6:25 am-7:20 pm

1 stop17h 55m

$970
Quickest round-trip

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 4/21

8:30 pm-12:55 pm

1 stop11h 25m

London Luton

Wed 4/29

6:15 am-7:20 pm

1 stop18h 05m

$1,190

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 6/6

8:30 pm-1:05 pm

1 stop11h 35m

London Luton

Mon 6/15

5:45 pm-7:20 pm

1 stop30h 35m

$1,243

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 6/28

11:20 pm-12:25 am

1 stop20h 05m

London Luton

Sat 7/11

4:35 pm-7:20 pm

1 stop31h 45m

$1,286

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 6/12

11:20 pm-11:15 pm

1 stop18h 55m

London Luton

Wed 6/17

6:15 am-7:20 pm

1 stop18h 05m

$1,294

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 7/3

8:30 pm-11:15 pm

1 stop21h 45m

London Luton

Wed 7/8

6:15 am-10:15 pm

1 stop21h 00m

$1,307

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 6/12

11:20 pm-11:15 pm

1 stop18h 55m

London Luton

Mon 6/15

5:45 pm-7:20 pm

1 stop30h 35m

$1,339

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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?

Tuesday 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.

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
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

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