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 $309). 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.

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).

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

Users have found that booking a flight from London Luton Airport to Washington, D.C. Dulles Intl Airport at least 52 days early can save you up to 46% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from London Luton Airport to Washington, D.C. Dulles Intl Airport for as little as $742 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,123 for flights departing within the next 3 days.

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

February can be a great time to fly to Washington, D.C. Dulles Intl Airport from London Luton Airport with a flight ticket averaging about $739. Cheapflights users have found deals in the month of February for as cheap as $305. The most expensive prices can be found in the month of July.

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.

$532+ Flights from London Luton Airport to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Luton to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Luton to Dulles Intl

Round-trip from	$609 (Mytrip)
One-way from	$539 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$912

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. 13% potential increase in price ($110 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 July 2025

Search Deals

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 July 28, 2025.

Fri 10/101:30 pmLTN - IAD

2 stops35h 29mMultiple Airlines

Mon 10/1310:05 pmIAD - LTN

2 stops18h 20mMultiple Airlines

Deal found 7/28

$609

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 July 28, 2025.

Fri 10/101:30 pmLTN - IAD

2 stops35h 29mMultiple Airlines

Mon 10/1310:05 pmIAD - LTN

2 stops18h 20mMultiple Airlines

Deal found 7/28

$609

Last-minute flights from Luton to Dulles Intl
Discover last-minute flight deals from Luton to Dulles Intl. Data last updated July 28, 2025 and is based on user searches.

Thu 8/78:45 amLTN - IAD

2 stops15h 35mMultiple Airlines

Wed 8/135:20 pmIAD - LTN

1 stop9h 50mMultiple Airlines

Deal found 7/26

$1,130

Mon 8/254:00 pmLTN - IAD

2 stops28h 20mMultiple Airlines

Mon 9/85:20 pmIAD - LTN

1 stop10h 40mMultiple Airlines

Deal found 7/28

$719

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 July 28, 2025.

Mon 9/89:00 amLTN - IAD

1 stop11h 50mMultiple Airlines

Deal found 7/28

$539

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

Fri 10/10

1:30 pm-7:59 pm

2 stops35h 29m

Washington, D.C. Dulles Intl

Mon 10/13

10:05 pm-9:25 pm

2 stops18h 20m

$609

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 12/16

7:00 am-6:20 pm

1 stop16h 20m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

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 $309). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

Gaithersburg

Easton

Towson

Linthicum Heights

Fairfax

Manassas

Falls Church

Waldorf

Laurel

Rockville

Oxon Hill

Springfield

National Harbor

Dundalk

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$532+ 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 12/16. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Luton to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 July 28, 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 July 28, 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.

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?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Luton to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

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 July 28, 2025.