In terms of precipitation, rainfall in London Luton Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Luton Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Luton 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to London Luton Airport?

Travelers have found that booking a Wednesday departure is the best way to save up to 58% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to London Luton Airport?

Find a great deal and save up to 37% by booking at least 48 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to London Luton Airport within the next two weeks, with the cheapest ticket starting at $802.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to London Luton Airport?

The best pricing can be found in the month of January. Prices to London Luton Airport from Washington, D.C. Dulles Intl Airport average $741. You can even find prices in January for less than $741, as users have found deals to London Luton Airport from as low as $385. The month of June appears to be one of the more expensive times to travel to London Luton Airport from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 30%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to London Luton Airport as you normally would.

Can I find deals for flights from Dulles Intl to Luton that include hotel bookings?

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

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

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

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

Yes. Cheapflights offers flight deals from Dulles Intl to Luton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$276+ Flights from Washington, D.C. Dulles Intl Airport to London Luton Airport

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Cheap flight deals from Dulles Intl to Luton

Round-trip from	$587 (Mytrip)
One-way from	$276 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$965

From Washington, D.C. Dulles Intl to London Luton

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One-way flight from Washington, D.C. Dulles Intl to London Luton

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Highest demand for flights based on searches. 12% potential increase in price ($110 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Cheapest flights from Dulles Intl to Luton
Explore the most affordable flight options available from Dulles Intl to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Wed 10/15:50 pmIAD - LTN

2 stops19h 20mMultiple Airlines

Wed 10/157:00 amLTN - IAD

2 stops18h 50mMultiple Airlines

Deal found 6/30

$586

Best flights from Dulles Intl to Luton
Discover carefully curated flight deals from Dulles Intl to Luton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2025.

Thu 9/115:50 pmIAD - LTN

2 stops22h 05mMultiple Airlines

Sun 9/146:25 pmLTN - IAD

2 stops25h 55mMultiple Airlines

Deal found 6/29

$587

Last-minute flights from Dulles Intl to Luton
Discover last-minute flight deals from Dulles Intl to Luton. Data last updated June 30, 2025 and is based on user searches.

Tue 7/810:20 pmIAD - LTN

2 stops18h 50mMultiple Airlines

Tue 7/229:50 pmLTN - IAD

2 stops23h 00mMultiple Airlines

Deal found 6/29

$805

Sun 7/275:20 pmIAD - LTN

1 stop10h 15mMultiple Airlines

Wed 8/61:00 pmLTN - IAD

1 stop11h 30mMultiple Airlines

Deal found 6/29

$627

One-way flights from Dulles Intl to Luton
Search for one-way flight options from Dulles Intl to Luton. Find affordable one-way fares based on user searches. Data last updated June 30, 2025.

Wed 7/1610:20 pmIAD - LTN

1 stop20h 15mMultiple Airlines

Deal found 6/30

$276

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 8/12

8:30 pm-1:00 pm

1 stop11h 30m

London Luton

Wed 8/20

6:15 am-7:20 pm

1 stop18h 05m

$587

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 7/16

10:20 pm-11:35 pm

1 stop20h 15m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Dulles Intl to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Dulles Intl 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

Can I find deals for flights from Dulles Intl to Luton that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Luton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Luton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Luton.
Can I find deals for business class flights from Dulles Intl to Luton?
Yes. Cheapflights offers flight deals from Dulles Intl to Luton 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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$276+ Cheap flights from Dulles Intl (IAD) to Luton (LTN)

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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Luton with Cheapflights

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Cheap flight deals from Dulles Intl to Luton

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Find flight deals from Dulles Intl to Luton

Cheapest flights from Dulles Intl to LutonExplore the most affordable flight options available from Dulles Intl to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Explore the most affordable flight options available from Dulles Intl to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London Luton Airport that are best for you.

Best time to book a flight from Dulles Intl to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Dulles Intl with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Luton. 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 Dulles Intl to Luton that include hotel bookings?

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

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

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

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Cheapest flights from Dulles Intl to Luton
Explore the most affordable flight options available from Dulles Intl to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.