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Cheap flights from London Luton Airport to Washington, D.C. from £256

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — WAS
1 May — 8 May1
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 1 April 2026.

Wed 15/406:15
LTN
-
IAD
2 stops18h 05m
Multiple Airlines
Sun 19/420:30
IAD
-
LTN
2 stops20h 10m
Multiple Airlines
Deal found 30/3£436
Wed 29/406:15
LTN
-
IAD
2 stops18h 05m
Multiple Airlines
Mon 4/520:30
IAD
-
LTN
2 stops14h 15m
Multiple Airlines
Deal found 30/3£438
Mon 4/508:15
LTN
-
IAD
2 stops16h 05m
Multiple Airlines
Mon 11/520:30
IAD
-
LTN
2 stops21h 20m
Multiple Airlines
Deal found 31/3£443
Thu 30/409:25
LTN
-
IAD
2 stops14h 55m
Multiple Airlines
Wed 6/520:30
IAD
-
LTN
2 stops19h 45m
Multiple Airlines
Deal found 30/3£445
Wed 8/406:15
LTN
-
IAD
2 stops18h 05m
Multiple Airlines
Tue 14/420:30
IAD
-
LTN
2 stops14h 00m
Multiple Airlines
Deal found 29/3£466
Thu 30/409:25
LTN
-
IAD
2 stops14h 55m
Multiple Airlines
Sat 9/520:30
IAD
-
LTN
2 stops20h 25m
Multiple Airlines
Deal found 29/3£485
Mon 13/408:15
LTN
-
IAD
1 stop16h 10m
Multiple Airlines
Mon 20/417:15
IAD
-
LTN
1 stop14h 30m
Multiple Airlines
Deal found 28/3£487
Tue 2/609:40
LTN
-
IAD
1 stop14h 55m
Multiple Airlines
Tue 9/617:15
IAD
-
LTN
1 stop15h 10m
Multiple Airlines
Deal found 29/3£495
Mon 4/508:15
LTN
-
BWI
2 stops16h 10m
Multiple Airlines
Mon 11/520:30
BWI
-
LTN
2 stops14h 15m
Multiple Airlines
Deal found 31/3£496
Thu 30/409:25
LTN
-
BWI
2 stops15h 00m
Multiple Airlines
Sat 9/520:30
BWI
-
LTN
2 stops14h 35m
Multiple Airlines
Deal found 29/3£503
Tue 28/409:40
LTN
-
BWI
2 stops14h 45m
Multiple Airlines
Sun 3/520:30
BWI
-
LTN
2 stops20h 10m
Multiple Airlines
Deal found 1/4£505
Tue 28/408:50
LTN
-
BWI
2 stops15h 35m
Multiple Airlines
Tue 5/520:30
BWI
-
LTN
2 stops21h 20m
Multiple Airlines
Deal found 29/3£541

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 1 April 2026.

Round-trip from

£436

One-way from

£256

Popular in

July

Cheapest in

February

Average price

£527
15/4-19/4
  • 15/4-19/4
  • 4 total stops
  • 38h 15m total
  • London to Washington, D.C.
Search Deals
14/4
  • 14/4
  • 2 total stops
  • 46h 35m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 1 April 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

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Mon 4/5

08:15-19:25

2 stops16h 10m

Baltimore/Washington

Mon 11/5

20:30-15:45

2 stops14h 15m

£496

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 15/4

08:00-20:35

2 stops17h 35m

Washington, D.C. Dulles Intl

Thu 23/4

22:35-19:05

2 stops15h 30m

£517

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 22/4

05:40-20:35

2 stops19h 55m

Washington, D.C. Dulles Intl

Tue 12/5

20:30-22:10

3 stops20h 40m

£544

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Tue 12/5

09:15-22:15

2 stops18h 00m

Baltimore/Washington

Tue 19/5

20:30-21:05

2 stops19h 35m

£612

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Tue 21/4

09:45-19:25

2 stops14h 40m

Baltimore/Washington

Sun 26/4

20:30-22:55

2 stops21h 25m

£649

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 23/6

17:40-19:00

2 stops30h 20m

Washington, D.C. Dulles Intl

Tue 7/7

21:05-13:25

1 stop11h 20m

£654

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Sun 26/4

06:25-19:25

1 stop18h 00m

Baltimore/Washington

Sat 2/5

20:30-13:15

1 stop11h 45m

£654

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 1/9

14:45-15:10

2 stops29h 25m

Washington, D.C. Dulles Intl

Wed 30/9

17:55-14:25

2 stops15h 30m

£712

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 1/9

08:00-20:35

2 stops17h 35m

Washington, D.C. Dulles Intl

Mon 7/9

17:40-13:45

2 stops15h 05m

£746

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Mon 1/6

09:55-19:25

2 stops14h 30m

Baltimore/Washington

Wed 10/6

20:30-18:50

2 stops17h 20m

£749

Flights are sorted by cheapest return flights first.

Deals found on 27/3

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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