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Cheap flights from London Luton Airport to Washington, D.C. from £278

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — WAS
16 Jun — 23 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Washington, D.C.
Explore the most affordable flight options available from Luton to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 May 2026.

Wed 17/606:15
LTN
-
IAD
2 stops19h 14m
Multiple Airlines
Thu 9/709:55
IAD
-
LTN
2 stops32h 15m
Multiple Airlines
Deal found 17/5£504
Fri 29/506:20
LTN
-
IAD
1 stop17h 55m
Multiple Airlines
Mon 1/621:00
IAD
-
LTN
1 stop13h 45m
Multiple Airlines
Deal found 15/5£505
Fri 19/606:20
LTN
-
IAD
1 stop17h 55m
Multiple Airlines
Fri 3/717:15
IAD
-
LTN
1 stop19h 10m
Multiple Airlines
Deal found 12/5£506
Wed 17/606:15
LTN
-
IAD
2 stops19h 14m
Multiple Airlines
Mon 22/608:18
IAD
-
LTN
3 stops33h 32m
Multiple Airlines
Deal found 15/5£510
Fri 5/606:20
LTN
-
IAD
1 stop14h 25m
Multiple Airlines
Mon 8/621:00
IAD
-
LTN
1 stop10h 45m
Multiple Airlines
Deal found 16/5£520
Wed 1/706:15
LTN
-
IAD
1 stop14h 30m
Multiple Airlines
Tue 7/721:10
IAD
-
LTN
1 stop13h 20m
Multiple Airlines
Deal found 16/5£521
Thu 4/609:25
LTN
-
IAD
1 stop14h 35m
Multiple Airlines
Sun 7/617:15
IAD
-
LTN
1 stop13h 10m
Multiple Airlines
Deal found 16/5£522
Tue 16/613:10
LTN
-
IAD
1 stop11h 15m
Multiple Airlines
Mon 22/621:00
IAD
-
LTN
1 stop13h 45m
Multiple Airlines
Deal found 16/5£522
Fri 12/606:20
LTN
-
IAD
1 stop14h 25m
Multiple Airlines
Mon 15/621:00
IAD
-
LTN
1 stop10h 45m
Multiple Airlines
Deal found 16/5£526
Mon 15/612:25
LTN
-
IAD
1 stop11h 50m
Multiple Airlines
Mon 22/621:00
IAD
-
LTN
1 stop10h 45m
Multiple Airlines
Deal found 13/5£527
Wed 29/706:15
LTN
-
IAD
1 stop14h 30m
Multiple Airlines
Wed 5/817:15
IAD
-
LTN
1 stop10h 45m
Multiple Airlines
Deal found 14/5£530
Mon 16/1106:15
LTN
-
BWI
2 stops17h 25m
Multiple Airlines
Sun 29/1119:40
BWI
-
LTN
2 stops23h 15m
Multiple Airlines
Deal found 12/5£624

Find flight deals from Luton to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to Washington, D.C. (WAS). 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 17 May 2026.

Round-trip from

£505

One-way from

£278

Popular in

July

Cheapest in

February

Average price

£519
29/5-1/6
  • 29/5-1/6
  • 2 total stops
  • 31h 40m total
  • London to Washington, D.C.
Search Deals
27/5
  • 27/5
  • 2 total stops
  • 37h 52m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to Washington, D.C. 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 17 May 2026.
Use the filters below to find and compare flights from London Luton Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 15/6

12:25-19:15

1 stop11h 50m

Washington, D.C. Dulles Intl

Mon 29/6

21:00-12:45

1 stop10h 45m

£547

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 8/6

08:15-20:29

2 stops17h 14m

Washington, D.C. Dulles Intl

Tue 16/6

08:18-22:50

3 stops33h 32m

£567

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 17/6

19:05-15:30

2 stops25h 25m

Washington, D.C. Dulles Intl

Wed 1/7

21:00-12:35

1 stop10h 35m

£591

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 16/9

06:20-19:25

2 stops18h 05m

Washington, D.C. Dulles Intl

Sun 20/9

20:55-13:25

1 stop11h 30m

£641

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Wed 14/10

06:15-19:25

1 stop18h 10m

Baltimore/Washington

Sat 24/10

20:40-14:00

1 stop12h 20m

£693

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Wed 11/11

08:00-18:40

1 stop15h 40m

Baltimore/Washington

Wed 25/11

19:40-15:20

2 stops14h 40m

£705

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 8/7

09:15-15:10

2 stops34h 55m

Washington, D.C. Dulles Intl

Tue 4/8

23:20-18:30

2 stops14h 10m

£737

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 9/6

13:40-15:10

2 stops30h 30m

Washington, D.C. Dulles Intl

Wed 24/6

16:00-12:35

2 stops15h 35m

£744

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 17/9

08:00-14:25

2 stops35h 25m

Washington, D.C. Dulles Intl

Tue 22/9

17:55-14:35

2 stops15h 40m

£776

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 1/6

12:25-19:15

1 stop11h 50m

Washington, D.C. Dulles Intl

Mon 8/6

11:30-12:45

2 stops20h 15m

£798

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 40 resultsSorted by cheapest first
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Best time to book a flight from Luton to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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 Washington, D.C.. 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 Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Luton to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Luton to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to Washington, D.C..

  • Can I find deals for business class flights from Luton to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Luton to Washington, D.C. 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.?

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

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How does Cheapflights help users find flights from Luton to Washington, D.C.?

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 Washington, D.C. from Luton today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Luton to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Luton.

Can Cheapflights find flights from Luton to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Luton to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Luton to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Luton today and book when prices fit your budget.

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