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Cheap flights from London Luton Airport to Washington, D.C. Dulles Intl Airport from £412

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — IAD
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 June 2026.

Wed 1/706:15
LTN
-
IAD
1 stop18h 00m
Multiple Airlines
Wed 8/717:15
IAD
-
LTN
1 stop17h 10m
Multiple Airlines
Deal found 1/6£512
Tue 23/609:40
LTN
-
IAD
1 stop11h 05m
Multiple Airlines
Tue 30/621:10
IAD
-
LTN
1 stop20h 00m
Multiple Airlines
Deal found 3/6£529
Fri 17/712:50
LTN
-
IAD
1 stop11h 35m
Multiple Airlines
Sat 1/817:15
IAD
-
LTN
1 stop10h 05m
Multiple Airlines
Deal found 2/6£534
Thu 2/709:25
LTN
-
IAD
1 stop14h 35m
Multiple Airlines
Mon 6/717:15
IAD
-
LTN
1 stop11h 00m
Multiple Airlines
Deal found 2/6£538
Fri 3/706:20
LTN
-
IAD
2 stops20h 06m
Multiple Airlines
Mon 13/716:20
IAD
-
LTN
2 stops18h 25m
Multiple Airlines
Deal found 29/5£541
Tue 30/609:40
LTN
-
IAD
1 stop11h 05m
Multiple Airlines
Tue 7/721:10
IAD
-
LTN
1 stop13h 20m
Multiple Airlines
Deal found 2/6£545
Thu 18/609:25
LTN
-
IAD
1 stop11h 20m
Multiple Airlines
Mon 22/621:00
IAD
-
LTN
1 stop10h 45m
Multiple Airlines
Deal found 30/5£547
Thu 9/709:25
LTN
-
IAD
1 stop14h 35m
Multiple Airlines
Sun 12/721:00
IAD
-
LTN
1 stop9h 25m
Multiple Airlines
Deal found 2/6£547
Fri 21/806:20
LTN
-
IAD
1 stop14h 25m
Multiple Airlines
Mon 24/817:15
IAD
-
LTN
1 stop14h 30m
Multiple Airlines
Deal found 3/6£548
Wed 1/706:15
LTN
-
IAD
1 stop18h 00m
Multiple Airlines
Sun 5/721:00
IAD
-
LTN
1 stop9h 25m
Multiple Airlines
Deal found 1/6£550
Fri 14/806:20
LTN
-
IAD
1 stop14h 25m
Multiple Airlines
Sat 22/817:15
IAD
-
LTN
1 stop10h 05m
Multiple Airlines
Deal found 2/6£552

Find flight deals from Luton to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 June 2026.

Round-trip from

£512

One-way from

£412

Popular in

July

Cheapest in

February

Average price

£584
1/7-8/7
  • 1/7-8/7
  • 2 total stops
  • 35h 10m total
  • London to Washington, D.C.
Search Deals
30/6
  • 30/6
  • 2 total stops
  • 54h 56m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 June 2026.
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

Cheapest return flight

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 23/6

09:40-15:45

1 stop11h 05m

Washington, D.C. Dulles Intl

Tue 30/6

21:10-22:10

1 stop20h 00m

£529
Fastest return journey

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 15/6

08:15-15:45

1 stop12h 30m

Washington, D.C. Dulles Intl

Mon 22/6

21:00-12:45

1 stop10h 45m

£555

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 5/8

06:15-19:20

2 stops18h 05m

Washington, D.C. Dulles Intl

Mon 10/8

20:30-22:50

2 stops21h 20m

£582

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 2/7

21:40-21:26

2 stops28h 46m

Washington, D.C. Dulles Intl

Tue 28/7

20:30-15:30

2 stops14h 00m

£586

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 26/8

06:20-19:25

2 stops18h 05m

Washington, D.C. Dulles Intl

Mon 21/9

17:15-09:15

1 stop11h 00m

£594

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 26/8

09:40-20:35

2 stops15h 55m

Washington, D.C. Dulles Intl

Sun 20/9

20:55-11:25

1 stop9h 30m

£614

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 27/8

09:25-19:10

1 stop14h 45m

Washington, D.C. Dulles Intl

Wed 2/9

17:15-09:00

1 stop10h 45m

£618

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 13/7

12:45-15:10

2 stops31h 25m

Washington, D.C. Dulles Intl

Wed 15/7

16:20-12:35

2 stops15h 15m

£651

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 16/9

06:15-19:20

1 stop18h 05m

Washington, D.C. Dulles Intl

Thu 24/9

20:30-20:30

2 stops19h 00m

£657

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 25/6

09:25-19:00

1 stop14h 35m

Washington, D.C. Dulles Intl

Mon 29/6

17:15-09:15

1 stop11h 00m

£668

Flights are sorted by cheapest return flights first.

Deals found on 2/6

Showing 1-10 of 23 resultsSorted by cheapest first
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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.

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

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?

    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.

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Alexandria
Sterling

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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.

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