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Cheap flights from Washington, D.C. Dulles Intl Airport to London Luton Airport from £287

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LTN
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Luton

Enter your travel dates to find the best prices.

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 9 June 2026.

Wed 4/1119:40
IAD
-
LTN
1 stop12h 15m
Multiple Airlines
Sun 8/1106:00
LTN
-
IAD
1 stop17h 30m
Multiple Airlines
Deal found 8/6£666
Sun 2/820:30
IAD
-
LTN
2 stops18h 25m
Multiple Airlines
Fri 7/806:00
LTN
-
IAD
3 stops38h 24m
Multiple Airlines
Deal found 8/6£666
Fri 4/917:15
IAD
-
LTN
1 stop10h 10m
Multiple Airlines
Tue 8/909:40
LTN
-
IAD
1 stop14h 55m
Multiple Airlines
Deal found 4/6£669
Tue 13/1015:45
IAD
-
LTN
2 stops17h 50m
Multiple Airlines
Mon 19/1007:05
LTN
-
IAD
2 stops16h 55m
Multiple Airlines
Deal found 4/6£669
Tue 14/721:10
IAD
-
LTN
1 stop13h 20m
Multiple Airlines
Mon 27/708:15
LTN
-
IAD
1 stop12h 30m
Multiple Airlines
Deal found 5/6£672
Tue 21/720:30
IAD
-
LTN
2 stops14h 00m
Multiple Airlines
Wed 5/806:15
LTN
-
IAD
2 stops18h 05m
Multiple Airlines
Deal found 8/6£672
Fri 3/720:30
IAD
-
LTN
2 stops18h 25m
Multiple Airlines
Mon 6/713:00
LTN
-
IAD
2 stops31h 10m
Multiple Airlines
Deal found 8/6£673
Fri 10/720:30
IAD
-
LTN
2 stops18h 25m
Multiple Airlines
Fri 17/712:45
LTN
-
IAD
2 stops31h 25m
Multiple Airlines
Deal found 8/6£674
Sun 14/623:20
IAD
-
LTN
1 stop20h 05m
Multiple Airlines
Wed 24/606:15
LTN
-
IAD
1 stop21h 00m
Multiple Airlines
Deal found 5/6£675
Wed 30/909:45
IAD
-
LTN
2 stops29h 10m
Multiple Airlines
Wed 7/1020:35
LTN
-
IAD
2 stops22h 00m
Multiple Airlines
Deal found 5/6£675
Sun 21/621:00
IAD
-
LTN
1 stop19h 40m
Multiple Airlines
Fri 26/606:20
LTN
-
IAD
2 stops33h 26m
Multiple Airlines
Deal found 5/6£676
Wed 2/917:15
IAD
-
LTN
1 stop14h 20m
Multiple Airlines
Tue 8/909:40
LTN
-
IAD
1 stop14h 55m
Multiple Airlines
Deal found 8/6£677

Find flight deals from Dulles Intl to Luton

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Luton (LTN). 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 9 June 2026.

Round-trip from

£666

One-way from

£287

Popular in

June

Cheapest in

January

Average price

£840
4/11-8/11
  • 4/11-8/11
  • 2 total stops
  • 29h 45m total
  • Washington, D.C. to London
Search Deals
3/7
  • 3/7
  • 2 total stops
  • 18h 25m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dulles Intl to Luton 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 9 June 2026.
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

Cheapest return flight

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 3/7

20:30-19:55

2 stops18h 25m

London Luton

Mon 6/7

13:00-15:10

2 stops31h 10m

£673

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 16/7

20:30-23:25

2 stops21h 55m

London Luton

Mon 20/7

08:50-21:26

2 stops17h 36m

£702

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 5/11

19:40-22:40

1 stop22h 00m

London Luton

Mon 9/11

15:30-18:30

1 stop32h 00m

£836

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 5/11

19:40-22:40

1 stop22h 00m

London Luton

Fri 13/11

15:40-18:30

1 stop31h 50m

£836

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 26/10

20:40-14:00

1 stop13h 20m

London Luton

Fri 30/10

15:40-19:30

1 stop31h 50m

£842
Fastest return journey

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 19/9

20:30-13:05

1 stop11h 35m

London Luton

Wed 23/9

06:15-19:20

1 stop18h 05m

£858

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 5/11

19:40-22:40

1 stop22h 00m

London Luton

Sun 8/11

06:00-18:30

1 stop17h 30m

£884

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 1/9

20:30-12:55

1 stop11h 25m

London Luton

Wed 30/9

06:15-22:15

1 stop21h 00m

£884

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sun 1/11

19:40-14:50

1 stop14h 10m

London Luton

Fri 6/11

15:40-18:30

1 stop31h 50m

£887

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 27/10

20:40-14:50

1 stop14h 10m

London Luton

Tue 10/11

07:00-18:30

1 stop16h 30m

£889

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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 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 Washington, D.C. Dulles Intl Airport to London Luton Airport

How often are flights from Washington, D.C. to London delayed?

About 33% of weekly flights between Washington, D.C. and London have experienced delays in the past year, with the average delay time being 28 minutes.

What is the most punctual flight time for Washington, D.C. to London flights?

Historically, flights departing in the morning 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?

Tuesday tends to have the lowest number of delays on this route, whereas Monday 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 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?

    Yes. In addition to deals on Dulles Intl to Luton flights, Cheapflights offers holiday 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.

Travelling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Ipswich
Romford
Guildford
Borehamwood
Folkestone
Southall

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Luton from Dulles Intl today with Cheapflights!

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

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 Dulles Intl to Luton.

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

Yes! Cheapflights helps users easily find flights from Dulles Intl to Luton with no change fees.

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

Of course! You can now track prices for flights from Dulles Intl to Luton and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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