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Luton

$286+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LTN
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 July 25, 2026.

This Mytrip deal was found by Cheapflights users on 7/24. 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.
Wed 9/3010:35 pm
IAD
-
LTN
2 stops19h 05m
Multiple Airlines
Wed 10/712:45 pm
LTN
-
IAD
2 stops31h 25m
Multiple Airlines
Deal found 7/24$628
This Mytrip deal was found by Cheapflights users on 7/24. 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 9/275:40 pm
IAD
-
LTN
2 stops20h 30m
Multiple Airlines
Sun 10/412:45 pm
LTN
-
IAD
2 stops31h 25m
Multiple Airlines
Deal found 7/24$643
This Mytrip deal was found by Cheapflights users on 7/22. 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 9/18:30 pm
IAD
-
LTN
2 stops14h 00m
Multiple Airlines
Tue 9/88:00 am
LTN
-
IAD
2 stops17h 35m
Multiple Airlines
Deal found 7/22$660
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Tue 11/107:40 pm
IAD
-
LTN
1 stop14h 25m
Multiple Airlines
Wed 11/188:00 am
LTN
-
IAD
1 stop15h 30m
Multiple Airlines
Deal found 7/21$668
This Mytrip deal was found by Cheapflights users on 7/24. 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 10/55:40 pm
IAD
-
LTN
2 stops21h 15m
Multiple Airlines
Wed 10/148:35 pm
LTN
-
IAD
2 stops29h 00m
Multiple Airlines
Deal found 7/24$673
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Tue 11/107:40 pm
IAD
-
LTN
1 stop14h 25m
Multiple Airlines
Sun 11/156:00 am
LTN
-
IAD
1 stop17h 30m
Multiple Airlines
Deal found 7/21$679
This Mytrip deal was found by Cheapflights users on 7/22. 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 9/18:30 pm
IAD
-
LTN
2 stops20h 40m
Multiple Airlines
Tue 9/151:40 pm
LTN
-
IAD
2 stops30h 30m
Multiple Airlines
Deal found 7/22$682
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 11/17:40 pm
IAD
-
LTN
1 stop14h 25m
Multiple Airlines
Sun 11/86:00 am
LTN
-
IAD
1 stop17h 30m
Multiple Airlines
Deal found 7/21$688
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 11/17:40 pm
IAD
-
LTN
1 stop14h 25m
Multiple Airlines
Thu 11/56:00 am
LTN
-
IAD
1 stop17h 30m
Multiple Airlines
Deal found 7/22$689
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 11/17:40 pm
IAD
-
LTN
1 stop14h 25m
Multiple Airlines
Wed 11/188:00 am
LTN
-
IAD
1 stop15h 30m
Multiple Airlines
Deal found 7/20$695
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 10/258:40 pm
IAD
-
LTN
1 stop14h 25m
Multiple Airlines
Sun 11/16:00 am
LTN
-
IAD
1 stop17h 30m
Multiple Airlines
Deal found 7/20$700

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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$628
(Mytrip)

One-way from

$286
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$972
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) 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. 22% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 25, 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

Tue 12/22

7:40 pm-3:05 pm

1 stop14h 25m

London Luton

Thu 12/31

6:00 am-6:30 pm

1 stop17h 30m

$726

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 9/23

5:45 pm-12:55 pm

1 stop14h 10m

London Luton

Mon 9/28

7:00 am-8:35 pm

1 stop18h 35m

$830

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 10/16

10:50 pm-6:40 pm

1 stop14h 50m

London Luton

Fri 10/23

7:00 am-8:35 pm

1 stop18h 35m

$845

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 8/18

11:20 pm-6:30 pm

2 stops14h 10m

London Luton

Tue 8/25

9:40 am-8:24 pm

2 stops15h 44m

$879

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 8/18

4:30 pm-1:55 pm

1 stop16h 25m

London Luton

Mon 8/24

9:50 pm-2:30 pm

1 stop21h 40m

$934
Quickest round-trip

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 9/6

8:55 pm-1:25 pm

1 stop11h 30m

London Luton

Mon 9/14

8:15 am-3:45 pm

1 stop12h 30m

$945

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 9/9

5:15 pm-9:00 am

1 stop10h 45m

London Luton

Sun 9/13

11:00 am-7:25 pm

1 stop13h 25m

$971

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 8/27

8:40 pm-12:25 pm

1 stop10h 45m

London Luton

Tue 9/8

8:00 am-8:35 pm

2 stops17h 35m

$1,013

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 11/3

7:40 pm-3:05 pm

1 stop14h 25m

London Luton

Wed 11/18

8:00 am-6:30 pm

1 stop15h 30m

$1,045

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 12/18

7:40 pm-7:45 pm

2 stops19h 05m

London Luton

Mon 12/28

7:45 am-2:45 pm

2 stops36h 00m

$1,053

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 23 resultsSorted by cheapest first
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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?

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
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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