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).

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 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.

£362+ Flights from London Luton Airport to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Luton to Dulles Intl

Round-trip from	£405
One-way from	£362
Popular in	July
Cheapest in	February
Average price	£555

11/12-14/12
2 total stops
31h 40m total
London to Washington, D.C.

Search Deals

8/12
3 total stops
50h 45m total
London to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Luton to Dulles Intl

Enter your travel dates to find the best prices.

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 17 October 2025.

Thu 11/1206:00LTN - IAD

1 stop17h 30mMultiple Airlines

Sun 14/1219:40IAD - LTN

1 stop14h 10mMultiple Airlines

Deal found 16/10£405

Wed 19/1108:00LTN - IAD

1 stop15h 30mMultiple Airlines

Wed 3/1219:40IAD - LTN

1 stop12h 15mMultiple Airlines

Deal found 16/10£406

Thu 4/1206:00LTN - IAD

1 stop17h 30mMultiple Airlines

Mon 8/1219:40IAD - LTN

1 stop13h 20mMultiple Airlines

Deal found 15/10£410

Mon 1/1208:50LTN - IAD

1 stop11h 45mMultiple Airlines

Mon 8/1217:05IAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 16/10£426

Tue 9/1207:00LTN - IAD

1 stop16h 30mMultiple Airlines

Mon 15/1219:40IAD - LTN

1 stop13h 20mMultiple Airlines

Deal found 15/10£427

Sat 1/1106:00LTN - IAD

1 stop14h 35mMultiple Airlines

Sat 15/1121:00IAD - LTN

1 stop16h 15mMultiple Airlines

Deal found 16/10£451

Sun 14/1208:05LTN - IAD

1 stop12h 30mMultiple Airlines

Thu 1/121:00IAD - LTN

1 stop14h 00mMultiple Airlines

Deal found 15/10£453

Mon 15/1206:00LTN - IAD

2 stops17h 30mMultiple Airlines

Tue 30/1219:40IAD - LTN

2 stops19h 25mMultiple Airlines

Deal found 14/10£462

Tue 28/1009:00LTN - IAD

1 stop15h 30mMultiple Airlines

Thu 30/1022:00IAD - LTN

1 stop11h 20mMultiple Airlines

Deal found 15/10£463

Thu 11/1207:15LTN - IAD

2 stops16h 15mMultiple Airlines

Wed 17/1219:40IAD - LTN

2 stops13h 40mMultiple Airlines

Deal found 15/10£464

Thu 6/1107:15LTN - IAD

2 stops16h 15mMultiple Airlines

Thu 13/1119:40IAD - LTN

2 stops16h 35mMultiple Airlines

Deal found 15/10£468

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 17 October 2025.

Mon 1/1208:50LTN - IAD

1 stop11h 45mMultiple Airlines

Mon 8/1217:05IAD - LTN

1 stop10h 30mMultiple Airlines

Deal found 16/10£426

Sun 14/1208:05LTN - IAD

1 stop12h 30mMultiple Airlines

Thu 1/121:00IAD - LTN

1 stop14h 00mMultiple Airlines

Deal found 15/10£453

Wed 28/107:00LTN - IAD

2 stops16h 30mMultiple Airlines

Thu 12/219:40IAD - LTN

2 stops14h 10mMultiple Airlines

Deal found 14/10£465

Thu 8/107:15LTN - IAD

2 stops16h 15mMultiple Airlines

Fri 23/119:40IAD - LTN

2 stops21h 15mMultiple Airlines

Deal found 14/10£465

Tue 20/107:10LTN - IAD

2 stops16h 20mMultiple Airlines

Wed 4/219:40IAD - LTN

2 stops19h 25mMultiple Airlines

Deal found 14/10£467

Mon 24/1107:20LTN - IAD

2 stops16h 10mMultiple Airlines

Mon 1/1219:40IAD - LTN

2 stops13h 30mMultiple Airlines

Deal found 16/10£482

Sat 1/1107:10LTN - IAD

2 stops16h 20mMultiple Airlines

Wed 5/1119:40IAD - LTN

2 stops20h 55mMultiple Airlines

Deal found 16/10£482

Wed 19/1114:40LTN - IAD

2 stops29h 35mMultiple Airlines

Mon 24/1117:30IAD - LTN

2 stops15h 05mMultiple Airlines

Deal found 15/10£484

Fri 16/107:00LTN - IAD

2 stops16h 30mMultiple Airlines

Sat 31/119:40IAD - LTN

2 stops16h 15mMultiple Airlines

Deal found 14/10£485

Sun 23/1107:00LTN - IAD

2 stops16h 30mMultiple Airlines

Sun 30/1119:40IAD - LTN

2 stops13h 55mMultiple Airlines

Deal found 16/10£488

Wed 26/1107:00LTN - IAD

2 stops16h 30mMultiple Airlines

Sun 30/1119:40IAD - LTN

2 stops13h 55mMultiple Airlines

Deal found 14/10£500

Wed 5/1106:50LTN - IAD

1 stop13h 45mMultiple Airlines

Fri 7/1121:00IAD - LTN

1 stop13h 25mMultiple Airlines

Deal found 16/10£506

Last-minute flights from Luton to Dulles Intl
Discover last-minute flight deals from Luton to Dulles Intl. Data last updated 17 October 2025 and is based on user searches.

Tue 28/1009:00LTN - IAD

1 stop15h 30mMultiple Airlines

Thu 30/1022:00IAD - LTN

1 stop11h 20mMultiple Airlines

Deal found 15/10£463

Sat 1/1106:00LTN - IAD

1 stop14h 35mMultiple Airlines

Sat 15/1121:00IAD - LTN

1 stop16h 15mMultiple Airlines

Deal found 16/10£451

Sat 1/1107:10LTN - IAD

2 stops16h 20mMultiple Airlines

Wed 5/1119:40IAD - LTN

2 stops20h 55mMultiple Airlines

Deal found 16/10£482

Thu 6/1107:15LTN - IAD

2 stops16h 15mMultiple Airlines

Thu 13/1119:40IAD - LTN

2 stops16h 35mMultiple Airlines

Deal found 15/10£468

Wed 12/1107:00LTN - IAD

2 stops16h 30mMultiple Airlines

Wed 19/1119:40IAD - LTN

2 stops14h 20mMultiple Airlines

Deal found 15/10£480

Wed 19/1108:00LTN - IAD

1 stop15h 30mMultiple Airlines

Wed 3/1219:40IAD - LTN

1 stop12h 15mMultiple Airlines

Deal found 16/10£406

Wed 19/1114:40LTN - IAD

2 stops29h 35mMultiple Airlines

Mon 24/1117:30IAD - LTN

2 stops15h 05mMultiple Airlines

Deal found 15/10£484

Sun 23/1107:00LTN - IAD

2 stops16h 30mMultiple Airlines

Sun 30/1119:40IAD - LTN

2 stops13h 55mMultiple Airlines

Deal found 16/10£488

Mon 24/1107:20LTN - IAD

2 stops16h 10mMultiple Airlines

Mon 1/1219:40IAD - LTN

2 stops21h 10mMultiple Airlines

Deal found 16/10£479

Wed 26/1107:00LTN - IAD

2 stops16h 30mMultiple Airlines

Wed 3/1219:40IAD - LTN

2 stops14h 20mMultiple Airlines

Deal found 16/10£482

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 17 October 2025.

Mon 8/1221:45LTN - IAD

3 stops50h 45mMultiple Airlines

Deal found 15/10£362

Mon 15/1206:15LTN - IAD

2 stops17h 30mMultiple Airlines

Deal found 16/10£363

Thu 6/1120:50LTN - IAD

2 stops26h 55mMultiple Airlines

Deal found 15/10£365

Sun 2/1121:55LTN - IAD

3 stops51h 25mMultiple Airlines

Deal found 15/10£366

Sat 22/1120:50LTN - IAD

2 stops26h 55mMultiple Airlines

Deal found 16/10£367

Mon 1/1209:15LTN - IAD

2 stops34h 20mMultiple Airlines

Deal found 16/10£368

Fri 7/1120:55LTN - IAD

2 stops26h 35mMultiple Airlines

Deal found 17/10£369

Wed 3/1221:55LTN - IAD

3 stops26h 35mMultiple Airlines

Deal found 16/10£370

Sun 11/120:50LTN - IAD

2 stops23h 25mMultiple Airlines

Deal found 15/10£372

Tue 20/120:50LTN - IAD

2 stops29h 10mMultiple Airlines

Deal found 15/10£372

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 1/12

08:50-15:35

1 stop11h 45m

Washington, D.C. Dulles Intl

Mon 8/12

17:05-08:35

1 stop10h 30m

£426

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sun 14/12

08:05-15:35

1 stop12h 30m

Washington, D.C. Dulles Intl

Thu 1/1

21:00-16:00

1 stop14h 00m

£453

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 28/1

07:00-18:30

2 stops16h 30m

Washington, D.C. Dulles Intl

Thu 12/2

19:40-14:50

2 stops14h 10m

£465

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 8/1

07:15-18:30

2 stops16h 15m

Washington, D.C. Dulles Intl

Fri 23/1

19:40-21:55

2 stops21h 15m

£465

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 20/1

07:10-18:30

2 stops16h 20m

Washington, D.C. Dulles Intl

Wed 4/2

19:40-20:05

2 stops19h 25m

£467

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

19:40-14:10

2 stops13h 30m

£482

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sat 1/11

07:10-19:30

2 stops16h 20m

Washington, D.C. Dulles Intl

Wed 5/11

19:40-21:35

2 stops20h 55m

£482

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 19/11

14:40-15:15

2 stops29h 35m

Washington, D.C. Dulles Intl

Mon 24/11

17:30-13:35

2 stops15h 05m

£484

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 16/1

07:00-18:30

2 stops16h 30m

Washington, D.C. Dulles Intl

Sat 31/1

19:40-16:55

2 stops16h 15m

£485

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sun 23/11

07:00-18:30

2 stops16h 30m

Washington, D.C. Dulles Intl

Sun 30/11

19:40-14:35

2 stops13h 55m

£488

Flights are sorted by cheapest return flights first.

Deals found on 15/10

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 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.

Silver Spring

Hanover

Oxon Hill

Woodbridge

Arlington

Alexandria

College Park

Tysons

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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?

Yes! Start tracking prices for Luton to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.

Cheap flights from London Luton Airport to Washington, D.C. Dulles Intl Airport from £362

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 8/12. 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 17 October 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 17 October 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?

Travelling 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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

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 17 October 2025.