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Luton

$338+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LTN
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This Mytrip deal was found by Cheapflights users on 3/6. 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 5/75:15 pm
IAD
-
LTN
1 stop11h 15m
Multiple Airlines
Sun 5/109:00 am
LTN
-
IAD
1 stop11h 45m
Multiple Airlines
Deal found 3/6$598
This Mytrip deal was found by Cheapflights users on 3/7. 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 5/88:55 pm
IAD
-
LTN
1 stop12h 05m
Multiple Airlines
Wed 5/131:50 pm
LTN
-
IAD
1 stop10h 35m
Multiple Airlines
Deal found 3/7$599
This Mytrip deal was found by Cheapflights users on 3/8. 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 5/88:55 pm
IAD
-
LTN
1 stop12h 05m
Multiple Airlines
Tue 5/121:10 pm
LTN
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 3/8$601
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 5/55:15 pm
IAD
-
LTN
1 stop11h 00m
Multiple Airlines
Tue 5/121:10 pm
LTN
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 3/7$605
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 5/68:55 pm
IAD
-
LTN
1 stop10h 40m
Multiple Airlines
Tue 5/121:10 pm
LTN
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 3/7$609
This Mytrip deal was found by Cheapflights users on 3/9. 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 5/258:30 pm
IAD
-
LTN
2 stops21h 20m
Multiple Airlines
Wed 6/36:15 am
LTN
-
IAD
2 stops21h 00m
Multiple Airlines
Deal found 3/9$610
This Mytrip deal was found by Cheapflights users on 3/7. 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 4/198:20 pm
IAD
-
LTN
3 stops20h 20m
Multiple Airlines
Sat 4/252:25 pm
LTN
-
IAD
2 stops31h 35m
Multiple Airlines
Deal found 3/7$613
This Mytrip deal was found by Cheapflights users on 3/6. 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 4/298:20 pm
IAD
-
LTN
2 stops21h 20m
Multiple Airlines
Tue 5/512:45 pm
LTN
-
IAD
2 stops33h 15m
Multiple Airlines
Deal found 3/6$615
This Mytrip deal was found by Cheapflights users on 3/8. 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 5/18:55 pm
IAD
-
LTN
1 stop15h 30m
Multiple Airlines
Wed 5/61:50 pm
LTN
-
IAD
1 stop10h 35m
Multiple Airlines
Deal found 3/8$617
This Mytrip deal was found by Cheapflights users on 3/10. 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 4/138:20 pm
IAD
-
LTN
2 stops23h 50m
Multiple Airlines
Tue 4/217:55 pm
LTN
-
IAD
2 stops26h 05m
Multiple Airlines
Deal found 3/10$618
This Mytrip deal was found by Cheapflights users on 3/6. 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
2 stops20h 40m
Multiple Airlines
Sun 5/109:00 am
LTN
-
IAD
2 stops15h 20m
Multiple Airlines
Deal found 3/6$619
This Mytrip deal was found by Cheapflights users on 3/8. 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.
Sat 4/258:20 pm
IAD
-
LTN
2 stops18h 35m
Multiple Airlines
Thu 5/73:15 pm
LTN
-
IAD
2 stops30h 45m
Multiple Airlines
Deal found 3/8$621

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$598
(Mytrip)

One-way from

$338
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$701
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. 5% potential increase in price ($43 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 March 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 March 11, 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

Mon 5/11

5:15 pm-9:15 am

1 stop11h 00m

London Luton

Tue 5/19

1:10 pm-7:35 pm

1 stop11h 25m

$651

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 4/28

1:20 pm-2:50 pm

2 stops20h 30m

London Luton

Mon 5/11

6:05 pm-7:50 pm

2 stops30h 45m

$680

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 4/20

8:20 pm-10:15 pm

2 stops20h 55m

London Luton

Thu 4/23

7:30 pm-5:00 pm

2 stops26h 30m

$697

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 4/25

8:30 pm-10:55 pm

2 stops21h 25m

London Luton

Tue 4/28

2:45 pm-8:35 pm

2 stops34h 50m

$721

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 4/20

8:55 pm-12:45 pm

1 stop10h 50m

London Luton

Wed 4/29

6:15 am-3:45 pm

1 stop14h 30m

$736

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 6/1

9:00 pm-12:45 pm

1 stop10h 45m

London Luton

Tue 6/9

1:10 pm-7:35 pm

1 stop11h 25m

$765

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 5/10

8:55 pm-1:25 pm

1 stop11h 30m

London Luton

Sun 5/17

6:30 am-7:00 pm

2 stops17h 30m

$845

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 4/17

5:15 pm-8:25 am

1 stop10h 10m

London Luton

Mon 4/20

8:15 am-3:45 pm

1 stop12h 30m

$851

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 4/11

1:20 pm-1:40 pm

2 stops19h 20m

London Luton

Sun 4/19

8:30 am-11:35 am

2 stops32h 05m

$860

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 5/17

8:30 pm-10:20 pm

2 stops20h 50m

London Luton

Sun 5/24

8:00 am-7:00 pm

2 stops16h 00m

$917

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 22 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
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

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