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Dulles Intl

$505+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$533
(Mytrip)

One-way from

$505
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$667
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. 11% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/9. 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.
Thu 10/98:45 amLTN - IAD
1 stop15h 10mMultiple Airlines
Sat 10/115:20 pmIAD - LTN
1 stop11h 10mMultiple Airlines
Deal found 9/9$533
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/278:50 amLTN - IAD
1 stop15h 40mMultiple Airlines
Sun 11/25:05 pmIAD - LTN
1 stop10h 50mMultiple Airlines
Deal found 9/10$537
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:00 amLTN - IAD
1 stop15h 30mMultiple Airlines
Wed 11/55:05 pmIAD - LTN
1 stop10h 30mMultiple Airlines
Deal found 9/10$539
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Tue 10/78:05 amLTN - IAD
2 stops35h 30mMultiple Airlines
Tue 10/148:45 pmIAD - LTN
2 stops19h 25mMultiple Airlines
Deal found 9/9$555
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Fri 10/2411:30 amLTN - IAD
1 stop12h 25mMultiple Airlines
Sun 11/29:00 pmIAD - LTN
1 stop9h 45mMultiple Airlines
Deal found 9/9$563
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/259:00 amLTN - IAD
1 stop11h 35mMultiple Airlines
Tue 12/25:05 pmIAD - LTN
1 stop11h 40mMultiple Airlines
Deal found 9/11$565
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Thu 10/99:10 amLTN - IAD
2 stops34h 25mMultiple Airlines
Mon 10/138:45 pmIAD - LTN
2 stops19h 25mMultiple Airlines
Deal found 9/10$570
This Mytrip deal was found by Cheapflights users on 9/9. 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 10/69:00 amLTN - IAD
2 stops15h 20mMultiple Airlines
Fri 10/1011:15 pmIAD - LTN
2 stops17h 30mMultiple Airlines
Deal found 9/9$580
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/258:40 amLTN - IAD
1 stop15h 15mMultiple Airlines
Sat 11/110:00 pmIAD - LTN
1 stop18h 15mMultiple Airlines
Deal found 9/10$585
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Fri 10/107:00 amLTN - IAD
2 stops20h 10mMultiple Airlines
Thu 10/238:30 pmIAD - LTN
2 stops19h 25mMultiple Airlines
Deal found 9/9$586
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Tue 10/216:10 pmLTN - IAD
2 stops26h 10mMultiple Airlines
Tue 11/45:30 pmIAD - LTN
2 stops21h 50mMultiple Airlines
Deal found 9/10$587

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 September 11, 2025.
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

Thu 10/9

8:45 am-6:55 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

Sat 10/11

5:20 pm-9:30 am

1 stop11h 10m

$533

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 10/27

8:50 am-8:30 pm

1 stop15h 40m

Washington, D.C. Dulles Intl

Sun 11/2

5:05 pm-8:55 am

1 stop10h 50m

$537

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 10/24

11:30 am-6:55 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Sun 11/2

9:00 pm-11:45 am

1 stop9h 45m

$563

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 10/10

7:00 am-10:10 pm

2 stops20h 10m

Washington, D.C. Dulles Intl

Thu 10/23

8:30 pm-8:55 pm

2 stops19h 25m

$586

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 10/21

6:10 pm-3:20 pm

2 stops26h 10m

Washington, D.C. Dulles Intl

Tue 11/4

5:30 pm-8:20 pm

2 stops21h 50m

$587

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sat 10/25

8:40 am-6:55 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sat 11/1

10:00 pm-8:15 pm

1 stop18h 15m

$587

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 10/30

8:00 pm-4:50 pm

2 stops24h 50m

Washington, D.C. Dulles Intl

Sun 11/2

8:30 pm-10:00 pm

2 stops20h 30m

$587

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 10/21

6:10 pm-3:20 pm

2 stops26h 10m

Washington, D.C. Dulles Intl

Thu 11/6

5:30 pm-2:00 pm

2 stops15h 30m

$620

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 12/11

6:30 am-6:30 pm

1 stop17h 00m

Washington, D.C. Dulles Intl

Sun 12/21

7:40 pm-2:50 pm

1 stop14h 10m

$636

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 10/7

6:05 am-7:59 pm

2 stops18h 54m

Washington, D.C. Dulles Intl

Tue 10/14

10:05 pm-10:15 pm

3 stops19h 10m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

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.

  • What is the cheapest month to book a flight from London Luton Airport to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from London Luton Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from London Luton Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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