In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from LTN to IAD?

When flying from London Luton Airport to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$494+ Flights from London Luton Airport to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Luton to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$541 (Mytrip)
One-way from	$494 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$745

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. 11% potential increase in price ($94 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 October 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 October 27, 2025.

Wed 12/106:50 amLTN - IAD

1 stop17h 40mMultiple Airlines

Wed 12/175:05 pmIAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 10/26

$541

Mon 12/298:50 amLTN - IAD

1 stop11h 45mMultiple Airlines

Mon 1/55:05 pmIAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 10/25

$549

Tue 12/99:00 amLTN - IAD

2 stops14h 30mMultiple Airlines

Tue 12/167:40 pmIAD - LTN

2 stops19h 25mMultiple Airlines

Deal found 10/25

$565

Tue 12/169:00 amLTN - IAD

1 stop11h 35mMultiple Airlines

Sun 1/49:00 pmIAD - LTN

1 stop9h 45mMultiple Airlines

Deal found 10/26

$586

Sat 12/276:00 amLTN - IAD

1 stop14h 35mMultiple Airlines

Sun 1/45:05 pmIAD - LTN

1 stop10h 50mMultiple Airlines

Deal found 10/27

$602

Thu 11/69:00 amLTN - IAD

2 stops14h 30mMultiple Airlines

Tue 11/117:40 pmIAD - LTN

2 stops19h 25mMultiple Airlines

Deal found 10/27

$620

Tue 11/259:00 amLTN - IAD

2 stops14h 30mMultiple Airlines

Tue 12/27:40 pmIAD - LTN

2 stops19h 25mMultiple Airlines

Deal found 10/26

$621

Wed 11/57:00 amLTN - IAD

2 stops16h 30mMultiple Airlines

Tue 11/117:40 pmIAD - LTN

2 stops17h 10mMultiple Airlines

Deal found 10/25

$629

Best flights from Luton to Dulles Intl
Discover carefully curated flight deals from Luton to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Mon 12/298:50 amLTN - IAD

1 stop11h 45mMultiple Airlines

Mon 1/55:05 pmIAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 10/25

$549

Tue 12/99:00 amLTN - IAD

1 stop11h 35mMultiple Airlines

Tue 12/165:05 pmIAD - LTN

1 stop11h 40mMultiple Airlines

Deal found 10/25

$569

Tue 12/169:00 amLTN - IAD

1 stop11h 35mMultiple Airlines

Sun 1/49:00 pmIAD - LTN

1 stop9h 45mMultiple Airlines

Deal found 10/26

$586

Fri 12/59:40 pmLTN - IAD

2 stops25h 50mMultiple Airlines

Thu 12/117:40 pmIAD - LTN

2 stops20h 15mMultiple Airlines

Deal found 10/25

$652

Fri 11/217:00 amLTN - IAD

2 stops16h 30mMultiple Airlines

Fri 11/287:40 pmIAD - LTN

2 stops21h 15mMultiple Airlines

Deal found 10/26

$682

Thu 12/46:00 amLTN - IAD

1 stop17h 30mMultiple Airlines

Wed 12/107:40 pmIAD - LTN

1 stop19h 55mMultiple Airlines

Deal found 10/25

$684

Mon 11/108:50 amLTN - IAD

1 stop11h 45mMultiple Airlines

Thu 11/139:00 pmIAD - LTN

1 stop11h 20mMultiple Airlines

Deal found 10/27

$686

Mon 11/248:50 amLTN - IAD

1 stop15h 40mMultiple Airlines

Mon 12/15:05 pmIAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 10/26

$688

Tue 12/239:00 amLTN - IAD

1 stop11h 35mMultiple Airlines

Sun 1/49:00 pmIAD - LTN

1 stop9h 45mMultiple Airlines

Deal found 10/27

$701

Wed 12/108:00 amLTN - IAD

1 stop15h 30mMultiple Airlines

Wed 12/177:40 pmIAD - LTN

1 stop12h 15mMultiple Airlines

Deal found 10/26

$702

Last-minute flights from Luton to Dulles Intl
Discover last-minute flight deals from Luton to Dulles Intl. Data last updated October 27, 2025 and is based on user searches.

Wed 11/57:00 amLTN - IAD

2 stops16h 30mMultiple Airlines

Tue 11/117:40 pmIAD - LTN

2 stops17h 10mMultiple Airlines

Deal found 10/25

$629

Wed 11/57:00 amLTN - IAD

2 stops16h 30mMultiple Airlines

Sun 11/97:40 pmIAD - LTN

2 stops13h 55mMultiple Airlines

Deal found 10/27

$640

Thu 11/69:00 amLTN - IAD

2 stops14h 30mMultiple Airlines

Tue 11/117:40 pmIAD - LTN

2 stops19h 25mMultiple Airlines

Deal found 10/27

$620

Mon 11/108:50 amLTN - IAD

1 stop11h 45mMultiple Airlines

Thu 11/139:00 pmIAD - LTN

1 stop11h 20mMultiple Airlines

Deal found 10/27

$686

Mon 11/108:30 amLTN - IAD

2 stops16h 35mMultiple Airlines

Mon 11/176:00 pmIAD - LTN

2 stops19h 40mMultiple Airlines

Deal found 10/27

$704

Wed 11/198:00 amLTN - IAD

1 stop15h 30mMultiple Airlines

Wed 12/37:40 pmIAD - LTN

1 stop12h 15mMultiple Airlines

Deal found 10/26

$691

Fri 11/217:00 amLTN - IAD

2 stops16h 30mMultiple Airlines

Fri 11/287:40 pmIAD - LTN

2 stops21h 15mMultiple Airlines

Deal found 10/26

$682

Mon 11/247:20 amLTN - IAD

2 stops16h 10mMultiple Airlines

Mon 12/87:40 pmIAD - LTN

2 stops19h 20mMultiple Airlines

Deal found 10/27

$634

Mon 11/247:20 amLTN - IAD

2 stops16h 10mMultiple Airlines

Mon 12/17:40 pmIAD - LTN

2 stops21h 10mMultiple Airlines

Deal found 10/25

$641

Tue 11/259:00 amLTN - IAD

2 stops14h 30mMultiple Airlines

Tue 12/27:40 pmIAD - LTN

2 stops19h 25mMultiple Airlines

Deal found 10/26

$621

Wed 11/268:05 amLTN - IAD

2 stops17h 00mMultiple Airlines

Wed 12/39:45 amIAD - LTN

3 stops30h 10mMultiple Airlines

Deal found 10/27

$679

One-way flights from Luton to Dulles Intl
Search for one-way flight options from Luton to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Thu 12/118:50 pmLTN - IAD

2 stops26h 55mMultiple Airlines

Deal found 10/25

$494

Wed 11/56:55 amLTN - IAD

3 stops37h 20mMultiple Airlines

Deal found 10/26

$495

Sun 12/79:55 pmLTN - IAD

3 stops45h 40mMultiple Airlines

Deal found 10/25

$497

Tue 11/188:50 pmLTN - IAD

3 stops26h 55mMultiple Airlines

Deal found 10/27

$498

Wed 11/198:00 amLTN - IAD

1 stop15h 30mMultiple Airlines

Deal found 10/27

$499

Mon 12/226:15 amLTN - IAD

2 stops37h 20mMultiple Airlines

Deal found 10/27

$502

Sat 12/138:50 pmLTN - IAD

3 stops26h 55mMultiple Airlines

Deal found 10/25

$503

Mon 1/53:30 pmLTN - IAD

1 stop32h 00mMultiple Airlines

Deal found 10/26

$504

Mon 1/193:30 pmLTN - IAD

1 stop32h 00mMultiple Airlines

Deal found 10/27

$506

Fri 11/219:40 pmLTN - IAD

3 stops49h 06mMultiple Airlines

Deal found 10/27

$507

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 12/29

8:50 am-3:35 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Mon 1/5

5:05 pm-8:35 am

1 stop10h 30m

$549

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 12/9

9:00 am-3:35 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 12/16

5:05 pm-9:45 am

1 stop11h 40m

$569

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 12/16

9:00 am-3:35 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 1/4

9:00 pm-11:45 am

1 stop9h 45m

$586

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 12/5

9:40 pm-6:30 pm

2 stops25h 50m

Washington, D.C. Dulles Intl

Thu 12/11

7:40 pm-8:55 pm

2 stops20h 15m

$652

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 11/21

7:00 am-6:30 pm

2 stops16h 30m

Washington, D.C. Dulles Intl

Fri 11/28

7:40 pm-9:55 pm

2 stops21h 15m

$682

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 12/4

6:00 am-6:30 pm

1 stop17h 30m

Washington, D.C. Dulles Intl

Wed 12/10

7:40 pm-8:35 pm

1 stop19h 55m

$684

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 11/10

8:50 am-3:35 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Thu 11/13

9:00 pm-1:20 pm

1 stop11h 20m

$686

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 11/24

8:50 am-7:30 pm

1 stop15h 40m

Washington, D.C. Dulles Intl

Mon 12/1

5:05 pm-8:35 am

1 stop10h 30m

$688

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 12/23

9:00 am-3:35 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 1/4

9:00 pm-11:45 am

1 stop9h 45m

$701

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 12/10

8:00 am-6:30 pm

1 stop15h 30m

Washington, D.C. Dulles Intl

Wed 12/17

7:40 pm-12:55 pm

1 stop12h 15m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 19 results

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 Saturday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

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.

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Largo

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$494+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Luton to Dulles Intl with Cheapflights

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Cheap flight deals from Luton to Dulles Intl

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Round-trip from

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Cheapest in

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Find flight deals from Luton to Dulles Intl

Cheapest flights from Luton to Dulles IntlExplore 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 October 27, 2025.

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 October 27, 2025.

Cheapflights Fare Finder

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.

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.

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?

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

What day of the week experiences the fewest flight delays on this route?

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?

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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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 October 27, 2025.