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Luton

$417+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LTN
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
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 May 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 pm
IAD
-
LTN
1 stop10h 50m
Multiple Airlines
Fri 8/216:20 am
LTN
-
IAD
1 stop14h 25m
Multiple Airlines
Deal found 5/24$883
This Mytrip deal was found by Cheapflights users on 5/24. 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 7/69:45 am
IAD
-
LTN
3 stops33h 45m
Multiple Airlines
Sun 7/126:10 pm
LTN
-
IAD
3 stops31h 14m
Multiple Airlines
Deal found 5/24$886
This Mytrip deal was found by Cheapflights users on 5/24. 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 8/23:45 pm
IAD
-
LTN
2 stops14h 40m
Multiple Airlines
Sat 8/89:25 pm
LTN
-
IAD
2 stops22h 59m
Multiple Airlines
Deal found 5/24$887
This Mytrip deal was found by Cheapflights users on 5/26. 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 8/33:45 pm
IAD
-
LTN
2 stops16h 00m
Multiple Airlines
Sat 8/89:25 pm
LTN
-
IAD
2 stops22h 59m
Multiple Airlines
Deal found 5/26$888
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:15 pm
IAD
-
LTN
1 stop10h 45m
Multiple Airlines
Tue 7/219:40 am
LTN
-
IAD
1 stop14h 55m
Multiple Airlines
Deal found 5/24$889
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:05 pm
IAD
-
LTN
1 stop11h 20m
Multiple Airlines
Tue 8/181:10 pm
LTN
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 5/25$890
This Mytrip deal was found by Cheapflights users on 5/26. 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 11/1210:55 pm
IAD
-
LTN
2 stops15h 50m
Multiple Airlines
Mon 11/167:45 am
LTN
-
IAD
2 stops16h 00m
Multiple Airlines
Deal found 5/26$891
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:55 pm
IAD
-
LTN
1 stop10h 40m
Multiple Airlines
Sun 10/118:30 am
LTN
-
IAD
2 stops15h 30m
Multiple Airlines
Deal found 5/26$892
This Mytrip deal was found by Cheapflights users on 5/26. 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 8/128:55 pm
IAD
-
LTN
1 stop10h 40m
Multiple Airlines
Thu 8/209:25 am
LTN
-
IAD
1 stop14h 45m
Multiple Airlines
Deal found 5/26$894
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:15 pm
IAD
-
LTN
1 stop11h 00m
Multiple Airlines
Wed 8/126:15 am
LTN
-
IAD
1 stop14h 30m
Multiple Airlines
Deal found 5/27$895
This Mytrip deal was found by Cheapflights users on 5/28. 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 6/148:18 am
IAD
-
LTN
3 stops33h 37m
Multiple Airlines
Sun 6/2112:40 pm
LTN
-
IAD
2 stops31h 30m
Multiple Airlines
Deal found 5/28$896

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 May 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$883
(Kiwi.com)

One-way from

$417
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$905
Provider with most accurate pricing for Washington, D.C. Dulles Intl-London Luton flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-London Luton flights.
Search Deals
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. 18% potential increase in price ($172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 29, 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 6/14

5:15 pm-10:55 pm

2 stops24h 40m

London Luton

Sun 6/21

12:40 pm-3:10 pm

2 stops31h 30m

$898

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 6/5

8:18 am-5:25 pm

3 stops28h 07m

London Luton

Sun 6/7

9:00 am-11:12 am

3 stops31h 12m

$949

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 7/23

8:30 pm-4:45 pm

2 stops15h 15m

London Luton

Sun 8/2

6:15 pm-3:10 pm

2 stops25h 55m

$962

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 7/3

8:30 pm-5:25 pm

2 stops15h 55m

London Luton

Thu 7/16

9:25 am-7:20 pm

2 stops14h 55m

$972
Quickest round-trip

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 6/8

5:15 pm-9:15 am

1 stop11h 00m

London Luton

Fri 6/12

12:50 pm-7:15 pm

1 stop11h 25m

$1,268

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 6/14

8:30 pm-12:25 am

1 stop22h 55m

London Luton

Mon 6/22

5:45 pm-7:20 pm

1 stop30h 35m

$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

Sun 6/14

6:25 am-10:15 pm

1 stop20h 50m

$1,309

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 8/22

8:30 pm-1:05 pm

1 stop11h 35m

London Luton

Wed 8/26

6:15 am-7:20 pm

1 stop18h 05m

$1,316

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 7/25

5:15 pm-8:20 am

1 stop10h 05m

London Luton

Tue 8/4

9:40 am-7:35 pm

1 stop14h 55m

$1,415

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

Sat 6/13

4:35 pm-7:20 pm

1 stop31h 45m

$1,417

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/25

Showing 1-10 of 23 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 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?

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

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