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.

$575+ Flights from London Luton Airport to Washington, D.C. Dulles Intl Airport

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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 December 12, 2025.

Fri 12/125:50 amLTN - IAD

1 stop14h 45mMultiple Airlines

Sun 12/149:00 pmIAD - LTN

1 stop20h 00mMultiple Airlines

Deal found 12/10

$865

Fri 12/196:00 amLTN - IAD

2 stops20h 00mMultiple Airlines

Mon 1/57:40 pmIAD - LTN

2 stops21h 10mMultiple Airlines

Deal found 12/10

$965

Wed 12/249:40 pmLTN - IAD

2 stops22h 35mMultiple Airlines

Tue 1/67:40 pmIAD - LTN

2 stops21h 20mMultiple Airlines

Deal found 12/10

$966

Tue 12/169:00 amLTN - IAD

1 stop15h 30mMultiple Airlines

Tue 12/235:05 pmIAD - LTN

1 stop11h 40mMultiple Airlines

Deal found 12/10

$976

Fri 12/266:00 amLTN - IAD

2 stops20h 00mMultiple Airlines

Wed 12/317:40 pmIAD - LTN

2 stops15h 35mMultiple Airlines

Deal found 12/10

$981

Fri 12/196:00 amLTN - IAD

2 stops20h 00mMultiple Airlines

Tue 1/67:40 pmIAD - LTN

2 stops21h 20mMultiple Airlines

Deal found 12/11

$1,000

Tue 12/239:00 amLTN - IAD

1 stop11h 35mMultiple Airlines

Sun 1/115:05 pmIAD - LTN

1 stop10h 50mMultiple Airlines

Deal found 12/10

$1,024

Fri 12/266:10 amLTN - IAD

2 stops19h 50mMultiple Airlines

Tue 12/305:30 pmIAD - LTN

2 stops23h 55mMultiple Airlines

Deal found 12/10

$1,039

Tue 12/239:00 amLTN - IAD

1 stop11h 35mMultiple Airlines

Wed 12/315:05 pmIAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 12/10

$1,059

Wed 12/176:50 amLTN - IAD

1 stop13h 45mMultiple Airlines

Sun 1/115:05 pmIAD - LTN

1 stop10h 50mMultiple Airlines

Deal found 12/10

$1,062

Mon 12/296:00 amLTN - IAD

1 stop14h 35mMultiple Airlines

Wed 1/75:05 pmIAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 12/10

$1,066

Sun 12/216:00 amLTN - IAD

1 stop17h 30mMultiple Airlines

Wed 12/317:40 pmIAD - LTN

2 stops19h 20mMultiple Airlines

Deal found 12/10

$1,078

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 December 12, 2025.

Sat 3/146:00 amLTN - IAD

2 stops18h 26mMultiple Airlines

Wed 3/188:40 pmIAD - LTN

2 stops15h 35mMultiple Airlines

Deal found 12/11

$732

Tue 2/246:20 amLTN - IAD

1 stop15h 10mMultiple Airlines

Thu 2/267:40 pmIAD - LTN

2 stops15h 35mMultiple Airlines

Deal found 12/10

$748

Sun 2/18:05 amLTN - IAD

1 stop12h 30mMultiple Airlines

Sun 2/85:05 pmIAD - LTN

1 stop10h 50mMultiple Airlines

Deal found 12/11

$773

Tue 4/281:40 pmLTN - IAD

2 stops35h 55mMultiple Airlines

Tue 5/128:30 pmIAD - LTN

2 stops21h 25mMultiple Airlines

Deal found 12/10

$773

Wed 4/299:40 amLTN - IAD

2 stops15h 55mMultiple Airlines

Tue 5/125:20 pmIAD - LTN

1 stop10h 55mMultiple Airlines

Deal found 12/10

$776

Thu 1/296:15 amLTN - IAD

2 stops17h 15mMultiple Airlines

Sun 2/17:40 pmIAD - LTN

2 stops14h 25mMultiple Airlines

Deal found 12/10

$782

Wed 2/46:50 amLTN - IAD

1 stop13h 45mMultiple Airlines

Wed 2/257:40 pmIAD - LTN

2 stops15h 35mMultiple Airlines

Deal found 12/10

$821

Mon 3/168:00 amLTN - IAD

1 stop15h 30mMultiple Airlines

Wed 4/88:30 pmIAD - LTN

2 stops14h 15mMultiple Airlines

Deal found 12/10

$866

Sun 3/88:05 amLTN - IAD

1 stop12h 30mMultiple Airlines

Sun 3/156:05 pmIAD - LTN

1 stop10h 50mMultiple Airlines

Deal found 12/11

$880

Thu 1/159:00 amLTN - IAD

1 stop11h 35mMultiple Airlines

Sat 1/315:05 pmIAD - LTN

1 stop9h 30mMultiple Airlines

Deal found 12/10

$936

Thu 1/159:00 amLTN - IAD

1 stop11h 35mMultiple Airlines

Mon 1/195:05 pmIAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 12/11

$974

Last-minute flights from Luton to Dulles Intl
Discover last-minute flight deals from Luton to Dulles Intl. Data last updated December 12, 2025 and is based on user searches.

Tue 12/169:00 amLTN - IAD

1 stop15h 30mMultiple Airlines

Tue 12/235:05 pmIAD - LTN

1 stop11h 40mMultiple Airlines

Deal found 12/10

$976

Wed 12/176:50 amLTN - IAD

1 stop13h 45mMultiple Airlines

Sun 1/115:05 pmIAD - LTN

1 stop10h 50mMultiple Airlines

Deal found 12/10

$1,062

Wed 12/178:00 amLTN - IAD

1 stop15h 30mMultiple Airlines

Thu 1/87:40 pmIAD - LTN

2 stops21h 20mMultiple Airlines

Deal found 12/10

$1,169

Wed 12/176:50 amLTN - IAD

1 stop13h 45mMultiple Airlines

Wed 1/75:05 pmIAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 12/10

$1,191

Thu 12/181:45 pmLTN - IAD

1 stop33h 45mMultiple Airlines

Wed 1/77:40 pmIAD - LTN

2 stops14h 55mMultiple Airlines

Deal found 12/9

$1,106

Fri 12/196:00 amLTN - IAD

2 stops20h 00mMultiple Airlines

Mon 1/57:40 pmIAD - LTN

2 stops21h 10mMultiple Airlines

Deal found 12/10

$965

Fri 12/196:00 amLTN - IAD

2 stops20h 00mMultiple Airlines

Tue 1/67:40 pmIAD - LTN

2 stops21h 20mMultiple Airlines

Deal found 12/11

$1,000

Fri 12/198:00 amLTN - IAD

1 stop18h 00mMultiple Airlines

Sat 1/107:40 pmIAD - LTN

2 stops18h 30mMultiple Airlines

Deal found 12/10

$1,180

Sun 12/216:00 amLTN - IAD

1 stop17h 30mMultiple Airlines

Wed 12/317:40 pmIAD - LTN

2 stops19h 20mMultiple Airlines

Deal found 12/10

$1,078

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 December 12, 2025.

Sun 3/158:05 amLTN - IAD

1 stop12h 30mMultiple Airlines

Deal found 12/10

$575

Sat 5/309:25 pmLTN - IAD

3 stops26h 35mMultiple Airlines

Deal found 12/10

$579

Thu 12/186:25 amLTN - IAD

3 stops43h 35mMultiple Airlines

Deal found 12/10

$581

Sun 1/186:00 amLTN - IAD

1 stop17h 30mMultiple Airlines

Deal found 12/11

$582

Wed 12/249:40 pmLTN - IAD

2 stops22h 35mMultiple Airlines

Deal found 12/11

$586

Thu 2/199:00 amLTN - IAD

1 stop11h 35mMultiple Airlines

Deal found 12/10

$595

Tue 1/279:55 pmLTN - IAD

2 stops46h 40mMultiple Airlines

Deal found 12/10

$603

Fri 12/266:10 amLTN - IAD

2 stops19h 50mMultiple Airlines

Deal found 12/10

$606

Wed 4/11:50 pmLTN - IAD

1 stop10h 40mMultiple Airlines

Deal found 12/11

$611

Fri 3/279:15 amLTN - IAD

2 stops35h 00mMultiple Airlines

Deal found 12/9

$612

Find flight deals from Luton to Dulles Intl

Most accurate provider	OneTravel 3 stars
Most trusted provider	OneTravel 3 stars
Round-trip from	$641 (Mytrip)
One-way from	$575 (Mytrip)
Popular in	July
Cheapest in	February
Average price	$798

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

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 ($106 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Sat 3/14

6:00 am-8:26 pm

2 stops18h 26m

Washington, D.C. Dulles Intl

Wed 3/18

8:40 pm-4:15 pm

2 stops15h 35m

$732

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 2/24

6:20 am-4:30 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

Thu 2/26

7:40 pm-4:15 pm

2 stops15h 35m

$748

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sun 2/1

8:05 am-3:35 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Sun 2/8

5:05 pm-8:55 am

1 stop10h 50m

$773

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 4/28

1:40 pm-8:35 pm

2 stops35h 55m

Washington, D.C. Dulles Intl

Tue 5/12

8:30 pm-10:55 pm

2 stops21h 25m

$773

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 4/29

9:40 am-8:35 pm

2 stops15h 55m

Washington, D.C. Dulles Intl

Tue 5/12

5:20 pm-9:15 am

1 stop10h 55m

$776

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 1/29

6:15 am-6:30 pm

2 stops17h 15m

Washington, D.C. Dulles Intl

Sun 2/1

7:40 pm-3:05 pm

2 stops14h 25m

$782

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 2/4

6:50 am-3:35 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Wed 2/25

7:40 pm-4:15 pm

2 stops15h 35m

$821

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 3/16

8:00 am-7:30 pm

1 stop15h 30m

Washington, D.C. Dulles Intl

Wed 4/8

8:30 pm-3:45 pm

2 stops14h 15m

$866

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sun 3/8

8:05 am-4:35 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Sun 3/15

6:05 pm-8:55 am

1 stop10h 50m

$880

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 1/15

9:00 am-3:35 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 1/31

5:05 pm-7:35 am

1 stop9h 30m

$936

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 20 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 Thursday 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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$575+ 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 3/15. 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

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 December 12, 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 December 12, 2025.

Find flight deals from Luton to Dulles Intl

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Round-trip from

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Popular in

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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 December 12, 2025.