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Dulles Intl

$522+ Cheap flights from Luton (LTN) to Dulles Intl (IAD)

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — IAD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Luton to Dulles Intl

Cheapest flights from Luton to Dulles Intl
Explore the most affordable flight options available from Luton to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Booking.com deal was found by Cheapflights users on 1/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/308:55 pm
LTN
-
IAD
2 stops26h 35m
Multiple Airlines
Thu 2/57:40 pm
IAD
-
LTN
2 stops12h 40m
Multiple Airlines
Deal found 1/24$587
This Mytrip deal was found by Cheapflights users on 1/24. 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.
Sat 1/316:00 am
LTN
-
IAD
1 stop14h 35m
Multiple Airlines
Fri 2/65:05 pm
IAD
-
LTN
1 stop17h 20m
Multiple Airlines
Deal found 1/24$628
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/135:50 am
LTN
-
IAD
1 stop14h 45m
Multiple Airlines
Fri 2/205:05 pm
IAD
-
LTN
1 stop17h 20m
Multiple Airlines
Deal found 1/25$638
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Mon 4/1312:15 pm
LTN
-
IAD
1 stop13h 20m
Multiple Airlines
Mon 4/2010:35 pm
IAD
-
LTN
1 stop18h 00m
Multiple Airlines
Deal found 1/25$646
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Thu 4/236:40 am
LTN
-
IAD
1 stop13h 25m
Multiple Airlines
Tue 4/285:05 pm
IAD
-
LTN
1 stop15h 10m
Multiple Airlines
Deal found 1/24$648
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:50 am
LTN
-
IAD
2 stops16h 55m
Multiple Airlines
Wed 3/189:45 pm
IAD
-
LTN
2 stops20h 35m
Multiple Airlines
Deal found 1/25$665
This Booking.com deal was found by Cheapflights users on 1/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:50 am
LTN
-
IAD
1 stop13h 45m
Multiple Airlines
Sun 2/155:05 pm
IAD
-
LTN
1 stop10h 50m
Multiple Airlines
Deal found 1/25$669
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Tue 5/129:40 am
LTN
-
IAD
1 stop14h 55m
Multiple Airlines
Tue 5/195:15 pm
IAD
-
LTN
1 stop11h 00m
Multiple Airlines
Deal found 1/24$683
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Wed 4/299:40 am
LTN
-
IAD
2 stops15h 55m
Multiple Airlines
Sun 5/105:15 pm
IAD
-
LTN
1 stop15h 10m
Multiple Airlines
Deal found 1/25$712
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 4/229:40 am
LTN
-
IAD
2 stops15h 55m
Multiple Airlines
Tue 4/285:15 pm
IAD
-
LTN
1 stop11h 00m
Multiple Airlines
Deal found 1/24$716

Find flight deals from Luton to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to Dulles Intl (IAD). 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 26, 2026.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$638
(Mytrip)

One-way from

$526
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$636
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
Search Deals
From London Luton to Washington, D.C. Dulles Intl
Search Deals
One-way flight from London Luton to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 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 Luton to Dulles Intl 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 26, 2026.
Use the filters below to find and compare flights from London Luton Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Luton

Fly to

Dulles Intl

Route

Depart

Return

Price

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 2/13

5:50 am-3:35 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Fri 2/20

5:05 pm-3:25 pm

1 stop17h 20m

$638

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 4/13

12:15 pm-8:35 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Mon 4/20

10:35 pm-9:35 pm

1 stop18h 00m

$646

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 5/12

9:40 am-7:35 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Tue 5/19

5:15 pm-9:15 am

1 stop11h 00m

$683

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 4/22

9:40 am-8:35 pm

2 stops15h 55m

Washington, D.C. Dulles Intl

Tue 4/28

5:15 pm-9:15 am

1 stop11h 00m

$716

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 4/22

12:15 pm-8:35 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Sun 4/26

10:35 pm-6:30 pm

1 stop14h 55m

$761

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 3/10

9:50 pm-7:30 pm

2 stops25h 40m

Washington, D.C. Dulles Intl

Tue 3/17

9:00 am-6:40 pm

3 stops29h 40m

$765

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 4/8

8:00 am-7:00 pm

2 stops16h 00m

Washington, D.C. Dulles Intl

Wed 4/22

8:30 pm-4:35 pm

2 stops15h 05m

$789

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 4/15

8:00 am-8:35 pm

2 stops17h 35m

Washington, D.C. Dulles Intl

Sun 4/19

5:40 pm-1:45 pm

2 stops15h 05m

$878

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sun 2/22

9:30 pm-7:20 pm

2 stops26h 50m

Washington, D.C. Dulles Intl

Fri 2/27

9:15 pm-11:10 pm

1 stop20h 55m

$897

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 3/10

7:00 am-7:30 pm

1 stop16h 30m

Washington, D.C. Dulles Intl

Tue 3/24

8:40 pm-2:50 pm

2 stops14h 10m

$905

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 22 results
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Best time to book a flight from Luton to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Luton 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 London Luton Airport to Washington, D.C. Dulles Intl Airport

How often are flights from London to Washington, D.C. delayed?

About 0% of weekly flights between London and Washington, D.C. have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for London to Washington, D.C. flights?

Historically, flights departing in the early afternoon 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?

Monday tends to have the lowest number of delays on this route, whereas Thursday 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 Luton to Dulles Intl. 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 Luton to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Luton to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luton to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to Dulles Intl.

  • Can I find deals for business class flights from Luton to Dulles Intl?

    Yes. Cheapflights offers flight deals from Luton to Dulles Intl 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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