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

Currently, January is the cheapest month in which you can book a flight from London Luton Airport to Washington, D.C. Dulles Intl Airport (average of £599). Flying from London Luton Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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.

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

Travellers seeking maximum savings on their London Luton Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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

Find a great deal and save up to 26% by booking at least 60 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 London Luton Airport to Washington, D.C. Dulles Intl Airport within the next two weeks, with the cheapest ticket starting at £525.

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

The best pricing can be found in the month of February. Prices to Washington, D.C. Dulles Intl Airport from London Luton Airport average £540. You can even find prices in February for less than £540, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as £224. The month of July appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from London Luton Airport. Flying in the targeted month can save you up to 20%.

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 fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 38% versus a flight at midday.

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 holiday 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.

£371+ Flights from London Luton Airport to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Luton to Dulles Intl

Round-trip from	£399
One-way from	£371
Popular in	July
Cheapest in	February
Average price	£490

30/10-5/11
2 total stops
26h 00m total
London to Washington, D.C.

Search Deals

5/12
2 total stops
27h 45m total
London to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£49 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 16 September 2025.

Thu 30/1009:00LTN - IAD

1 stop15h 30mMultiple Airlines

Wed 5/1117:05IAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 15/9£402

Wed 1/1010:00LTN - IAD

2 stops35h 15mMultiple Airlines

Wed 8/1010:20IAD - LTN

2 stops24h 05mMultiple Airlines

Deal found 14/9£403

Wed 29/1006:50LTN - IAD

2 stops16h 40mMultiple Airlines

Wed 5/1119:40IAD - LTN

2 stops22h 25mMultiple Airlines

Deal found 14/9£411

Fri 24/1011:30LTN - IAD

1 stop12h 25mMultiple Airlines

Fri 31/1018:05IAD - LTN

1 stop10h 50mMultiple Airlines

Deal found 14/9£419

Thu 9/1012:35LTN - IAD

1 stop11h 20mMultiple Airlines

Sun 12/1020:25IAD - LTN

1 stop18h 00mMultiple Airlines

Deal found 15/9£421

Sun 21/909:55LTN - IAD

1 stop14h 00mMultiple Airlines

Sun 28/917:20IAD - LTN

1 stop10h 15mMultiple Airlines

Deal found 14/9£430

Fri 3/1011:30LTN - IAD

1 stop12h 25mMultiple Airlines

Mon 6/1017:20IAD - LTN

1 stop10h 40mMultiple Airlines

Deal found 15/9£433

Thu 30/1009:00LTN - IAD

1 stop11h 35mMultiple Airlines

Thu 6/1121:00IAD - LTN

1 stop14h 00mMultiple Airlines

Deal found 15/9£435

Fri 3/1011:30LTN - IAD

1 stop12h 25mMultiple Airlines

Sun 5/1017:20IAD - LTN

1 stop10h 15mMultiple Airlines

Deal found 14/9£439

Best flights from Luton to Dulles Intl
Discover carefully curated flight deals from Luton to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Thu 30/1009:00LTN - IAD

1 stop15h 30mMultiple Airlines

Wed 5/1117:05IAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 13/9£399

Wed 1/1010:00LTN - IAD

2 stops35h 15mMultiple Airlines

Wed 8/1010:20IAD - LTN

2 stops24h 05mMultiple Airlines

Deal found 14/9£411

Mon 13/1009:10LTN - IAD

2 stops34h 25mMultiple Airlines

Mon 20/1020:45IAD - LTN

2 stops19h 25mMultiple Airlines

Deal found 12/9£415

Thu 9/1008:45LTN - IAD

1 stop12h 05mMultiple Airlines

Tue 14/1017:20IAD - LTN

1 stop11h 05mMultiple Airlines

Deal found 13/9£418

Fri 24/1011:30LTN - IAD

1 stop12h 25mMultiple Airlines

Fri 31/1018:05IAD - LTN

1 stop10h 50mMultiple Airlines

Deal found 14/9£419

Fri 3/1011:30LTN - IAD

1 stop12h 25mMultiple Airlines

Mon 6/1017:20IAD - LTN

1 stop10h 40mMultiple Airlines

Deal found 13/9£435

Fri 3/1011:30LTN - IAD

1 stop12h 25mMultiple Airlines

Sun 5/1017:20IAD - LTN

1 stop10h 15mMultiple Airlines

Deal found 14/9£439

Mon 24/1107:20LTN - IAD

2 stops16h 10mMultiple Airlines

Mon 1/1219:40IAD - LTN

2 stops21h 10mMultiple Airlines

Deal found 13/9£489

Tue 21/1018:10LTN - IAD

2 stops26h 10mMultiple Airlines

Sat 25/1022:20IAD - LTN

2 stops20h 40mMultiple Airlines

Deal found 14/9£492

Fri 10/1006:05LTN - IAD

2 stops21h 05mMultiple Airlines

Wed 15/1023:15IAD - LTN

2 stops15h 10mMultiple Airlines

Deal found 15/9£508

Thu 9/1006:40LTN - IAD

2 stops19h 10mMultiple Airlines

Thu 16/1017:50IAD - LTN

2 stops22h 05mMultiple Airlines

Deal found 14/9£554

Last-minute flights from Luton to Dulles Intl
Discover last-minute flight deals from Luton to Dulles Intl. Data last updated 16 September 2025 and is based on user searches.

Sun 21/909:55LTN - IAD

1 stop14h 00mMultiple Airlines

Sun 28/917:20IAD - LTN

1 stop10h 15mMultiple Airlines

Deal found 14/9£430

Wed 1/1010:00LTN - IAD

2 stops35h 15mMultiple Airlines

Wed 8/1010:20IAD - LTN

2 stops24h 05mMultiple Airlines

Deal found 14/9£403

Fri 3/1011:30LTN - IAD

1 stop12h 25mMultiple Airlines

Mon 6/1017:20IAD - LTN

1 stop10h 40mMultiple Airlines

Deal found 15/9£433

Thu 9/1012:35LTN - IAD

1 stop11h 20mMultiple Airlines

Sun 12/1020:25IAD - LTN

1 stop18h 00mMultiple Airlines

Deal found 15/9£421

Fri 24/1011:30LTN - IAD

1 stop12h 25mMultiple Airlines

Fri 31/1018:05IAD - LTN

1 stop10h 50mMultiple Airlines

Deal found 14/9£419

Wed 29/1006:50LTN - IAD

2 stops16h 40mMultiple Airlines

Wed 5/1119:40IAD - LTN

2 stops22h 25mMultiple Airlines

Deal found 14/9£411

Thu 30/1009:00LTN - IAD

1 stop15h 30mMultiple Airlines

Wed 5/1117:05IAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 15/9£402

Thu 30/1009:00LTN - IAD

1 stop11h 35mMultiple Airlines

Thu 6/1121:00IAD - LTN

1 stop14h 00mMultiple Airlines

Deal found 15/9£435

Fri 31/1005:50LTN - IAD

1 stop14h 45mMultiple Airlines

Fri 7/1121:00IAD - LTN

1 stop13h 25mMultiple Airlines

Deal found 15/9£413

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 16 September 2025.

Fri 5/1216:30LTN - IAD

2 stops27h 45mMultiple Airlines

Deal found 15/9£371

Thu 23/1021:50LTN - IAD

3 stops52h 03mMultiple Airlines

Deal found 15/9£372

Mon 6/1012:05LTN - IAD

2 stops32h 15mMultiple Airlines

Deal found 14/9£373

Fri 31/1005:50LTN - IAD

1 stop14h 45mMultiple Airlines

Deal found 14/9£374

Mon 17/1106:00LTN - IAD

1 stop14h 35mMultiple Airlines

Deal found 15/9£375

Sat 25/1022:10LTN - IAD

1 stop23h 25mMultiple Airlines

Deal found 14/9£376

Thu 6/1109:00LTN - IAD

1 stop15h 30mMultiple Airlines

Deal found 15/9£377

Wed 1/1019:20LTN - IAD

1 stop25h 30mMultiple Airlines

Deal found 14/9£377

Thu 25/908:45LTN - IAD

1 stop15h 10mMultiple Airlines

Deal found 15/9£378

Thu 2/1012:35LTN - IAD

1 stop11h 20mMultiple Airlines

Deal found 15/9£379

Sat 11/1022:10LTN - IAD

3 stops25h 55mMultiple Airlines

Deal found 13/9£380

Tue 23/921:50LTN - IAD

1 stop23h 00mMultiple Airlines

Deal found 15/9£380

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

Thu 30/10

09:00-20:30

1 stop15h 30m

Washington, D.C. Dulles Intl

Wed 5/11

17:05-08:35

1 stop10h 30m

£399

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 1/10

10:00-16:15

2 stops35h 15m

Washington, D.C. Dulles Intl

Wed 8/10

10:20-15:25

2 stops24h 05m

£411

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 13/10

09:10-14:35

2 stops34h 25m

Washington, D.C. Dulles Intl

Mon 20/10

20:45-21:10

2 stops19h 25m

£415

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 9/10

08:45-15:50

1 stop12h 05m

Washington, D.C. Dulles Intl

Tue 14/10

17:20-09:25

1 stop11h 05m

£418

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 24/10

11:30-18:55

1 stop12h 25m

Washington, D.C. Dulles Intl

Fri 31/10

18:05-08:55

1 stop10h 50m

£419

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 3/10

11:30-18:55

1 stop12h 25m

Washington, D.C. Dulles Intl

Mon 6/10

17:20-09:00

1 stop10h 40m

£435

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 3/10

11:30-18:55

1 stop12h 25m

Washington, D.C. Dulles Intl

Sun 5/10

17:20-08:35

1 stop10h 15m

£439

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 24/11

07:20-18:30

2 stops16h 10m

Washington, D.C. Dulles Intl

Mon 1/12

19:40-21:50

2 stops21h 10m

£489

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 21/10

18:10-15:20

2 stops26h 10m

Washington, D.C. Dulles Intl

Sat 25/10

22:20-23:00

2 stops20h 40m

£492

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 10/10

06:05-22:10

2 stops21h 05m

Washington, D.C. Dulles Intl

Wed 15/10

23:15-19:25

2 stops15h 10m

£508

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 23 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 return 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 holiday 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, January is the cheapest month in which you can book a flight from London Luton Airport to Washington, D.C. Dulles Intl Airport (average of £599). Flying from London Luton Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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.

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How does Cheapflights help users find flights from Luton to Dulles Intl?

Deals for Luton to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Luton to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Luton to Dulles Intl.

Can Cheapflights find flights from Luton to Dulles Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Luton to Dulles Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Luton to Dulles Intl become cheaper?

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Cheap flights from London Luton Airport to Washington, D.C. Dulles Intl Airport from £371

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

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 16 September 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 16 September 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?

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

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Alternative routes for Luton to Dulles Intl

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How does Cheapflights help users find flights from Luton to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets from Luton to Dulles Intl?

Can Cheapflights find flights from Luton to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from Luton to Dulles Intl become cheaper?

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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 16 September 2025.