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Dulles Intl

$541+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — IAD
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap 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 15, 2026.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$599
(Mytrip)

One-way from

$541
(Connections by easyJet)

Popular in

July

Cheapest in

February

Average price

$636
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
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From London Luton to Washington, D.C. Dulles Intl
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One-way flight from London Luton to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 13% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 15, 2026.

This Booking.com deal was found by Cheapflights users on 1/14. 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.
Thu 1/229:00 am
LTN
-
IAD
2 stops14h 30m
Multiple Airlines
Wed 1/287:40 pm
IAD
-
LTN
2 stops16h 25m
Multiple Airlines
Deal found 1/14$566
This Mytrip deal was found by Cheapflights users on 1/14. 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 2/65:50 am
LTN
-
IAD
1 stop14h 45m
Multiple Airlines
Fri 2/135:05 pm
IAD
-
LTN
1 stop18h 10m
Multiple Airlines
Deal found 1/14$599
This Booking.com deal was found by Cheapflights users on 1/14. 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.
Thu 1/229:00 am
LTN
-
IAD
2 stops14h 30m
Multiple Airlines
Thu 1/297:40 pm
IAD
-
LTN
2 stops12h 40m
Multiple Airlines
Deal found 1/14$613
This Mytrip deal was found by Cheapflights users on 1/14. 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 2/269:00 am
LTN
-
IAD
1 stop11h 35m
Multiple Airlines
Sun 3/19:00 pm
IAD
-
LTN
1 stop9h 45m
Multiple Airlines
Deal found 1/14$614
This Mytrip deal was found by Cheapflights users on 1/13. 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 2/275:50 am
LTN
-
IAD
2 stops14h 59m
Multiple Airlines
Fri 3/66:00 pm
IAD
-
LTN
2 stops16h 25m
Multiple Airlines
Deal found 1/13$631

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 15, 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 2/27

5:50 am-3:49 pm

2 stops14h 59m

Washington, D.C. Dulles Intl

Fri 3/6

6:00 pm-3:25 pm

2 stops16h 25m

$631

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 2/12

2:10 pm-4:40 pm

2 stops31h 30m

Washington, D.C. Dulles Intl

Thu 2/19

8:30 pm-8:30 pm

2 stops19h 00m

$660

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 5/7

9:25 am-7:10 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 5/10

8:40 pm-9:40 pm

1 stop20h 00m

$675

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 5/13

9:40 am-8:35 pm

2 stops15h 55m

Washington, D.C. Dulles Intl

Tue 5/19

5:15 pm-9:15 am

1 stop11h 00m

$721

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 2/16

6:25 am-2:35 pm

2 stops37h 10m

Washington, D.C. Dulles Intl

Tue 2/24

5:05 pm-9:45 am

1 stop11h 40m

$742

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 1/30

5:30 pm-3:15 pm

2 stops26h 45m

Washington, D.C. Dulles Intl

Wed 10/7

9:45 am-7:15 pm

3 stops28h 30m

$759

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 2/4

2:40 pm-3:15 pm

2 stops29h 35m

Washington, D.C. Dulles Intl

Thu 2/12

6:00 pm-5:50 pm

2 stops18h 50m

$761

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 2/2

9:40 pm-2:35 pm

2 stops21h 55m

Washington, D.C. Dulles Intl

Thu 2/5

7:40 pm-8:55 pm

3 stops20h 15m

$769

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 1/26

9:00 am-6:30 pm

2 stops14h 30m

Washington, D.C. Dulles Intl

Thu 1/29

7:40 pm-10:00 pm

2 stops21h 20m

$776

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 1/28

2:40 pm-3:15 pm

2 stops29h 35m

Washington, D.C. Dulles Intl

Thu 2/26

7:40 pm-4:15 pm

2 stops15h 35m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 21 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
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon

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