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Luton

$357+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LTN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Mytrip deal was found by Cheapflights users on 1/21. 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.
Fri 1/305:05 pm
IAD
-
LTN
1 stop18h 10m
Multiple Airlines
Tue 2/39:00 am
LTN
-
IAD
1 stop11h 35m
Multiple Airlines
Deal found 1/21$533
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:05 pm
IAD
-
LTN
1 stop10h 30m
Multiple Airlines
Fri 3/135:50 am
LTN
-
IAD
1 stop14h 45m
Multiple Airlines
Deal found 1/19$534
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:05 pm
IAD
-
LTN
1 stop11h 40m
Multiple Airlines
Tue 3/249:00 am
LTN
-
IAD
1 stop11h 35m
Multiple Airlines
Deal found 1/20$539
This Mytrip deal was found by Cheapflights users on 1/19. 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.
Thu 3/55:05 pm
IAD
-
LTN
1 stop10h 40m
Multiple Airlines
Thu 3/129:00 am
LTN
-
IAD
1 stop11h 35m
Multiple Airlines
Deal found 1/19$540
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:05 pm
IAD
-
LTN
1 stop10h 30m
Multiple Airlines
Wed 2/256:50 am
LTN
-
IAD
1 stop13h 45m
Multiple Airlines
Deal found 1/20$541
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:40 pm
IAD
-
LTN
1 stop14h 10m
Multiple Airlines
Wed 3/188:00 am
LTN
-
IAD
1 stop15h 30m
Multiple Airlines
Deal found 1/18$546
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 2/155:05 pm
IAD
-
LTN
1 stop10h 50m
Multiple Airlines
Sun 3/88:05 am
LTN
-
IAD
1 stop12h 30m
Multiple Airlines
Deal found 1/21$547
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:05 pm
IAD
-
LTN
1 stop10h 30m
Multiple Airlines
Mon 2/236:00 am
LTN
-
IAD
1 stop14h 35m
Multiple Airlines
Deal found 1/20$549
This Mytrip deal was found by Cheapflights users on 1/19. 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 2/177:40 pm
IAD
-
LTN
2 stops19h 25m
Multiple Airlines
Tue 2/249:00 am
LTN
-
IAD
2 stops14h 30m
Multiple Airlines
Deal found 1/19$550
This Mytrip deal was found by Cheapflights users on 1/19. 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.
Thu 1/225:05 pm
IAD
-
LTN
1 stop10h 40m
Multiple Airlines
Sun 1/258:05 am
LTN
-
IAD
1 stop12h 30m
Multiple Airlines
Deal found 1/19$551
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:40 pm
IAD
-
LTN
1 stop13h 45m
Multiple Airlines
Mon 5/1112:25 pm
LTN
-
IAD
1 stop11h 45m
Multiple Airlines
Deal found 1/18$552
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Thu 2/55:05 pm
IAD
-
LTN
1 stop10h 40m
Multiple Airlines
Sun 2/88:05 am
LTN
-
IAD
1 stop12h 30m
Multiple Airlines
Deal found 1/20$553

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$533
(Mytrip)

One-way from

$357
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$644
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. 11% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 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

Dulles Intl

Fly to

Luton

Route

Depart

Return

Price

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 3/11

6:05 pm-8:35 am

1 stop10h 30m

London Luton

Mon 3/16

8:50 am-4:35 pm

1 stop11h 45m

$534

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 2/18

5:05 pm-8:35 am

1 stop10h 30m

London Luton

Wed 2/25

6:50 am-3:35 pm

1 stop13h 45m

$541

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 4/15

5:15 pm-9:00 am

1 stop10h 45m

London Luton

Sun 4/19

11:00 am-7:10 pm

1 stop13h 10m

$546

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 2/9

5:05 pm-8:35 am

1 stop10h 30m

London Luton

Mon 2/23

6:00 am-3:35 pm

1 stop14h 35m

$549

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 2/17

7:40 pm-8:05 pm

2 stops19h 25m

London Luton

Tue 2/24

9:00 am-6:30 pm

2 stops14h 30m

$550

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 3/8

6:05 pm-8:55 am

1 stop10h 50m

London Luton

Tue 3/17

9:00 am-4:35 pm

1 stop11h 35m

$553

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 2/5

5:05 pm-8:45 am

1 stop10h 40m

London Luton

Sun 2/8

8:05 am-3:35 pm

1 stop12h 30m

$555

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 4/1

5:15 pm-9:00 am

1 stop10h 45m

London Luton

Thu 4/9

9:25 am-7:10 pm

1 stop14h 45m

$557

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 3/21

6:05 pm-7:35 am

1 stop9h 30m

London Luton

Fri 3/27

5:50 am-4:35 pm

1 stop14h 45m

$571

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 2/6

5:05 pm-8:55 am

1 stop10h 50m

London Luton

Sun 2/8

8:05 am-3:35 pm

1 stop12h 30m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 19 results
1
2
  • 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 33% of weekly flights between Washington, D.C. and London have experienced delays in the past year, with the average delay time being 28 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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