Cheap flights from London Luton Airport to Washington, D.C. from £313

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — WAS
9 Jul — 16 Jul1
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 9 June 2026.

Thu 23/709:25
LTN
-
IAD
2 stops14h 55m
Multiple Airlines
Mon 27/720:30
IAD
-
LTN
2 stops14h 15m
Multiple Airlines
Deal found 8/6£504
Mon 27/708:15
LTN
-
IAD
2 stops16h 05m
Multiple Airlines
Mon 3/820:30
IAD
-
LTN
2 stops21h 20m
Multiple Airlines
Deal found 5/6£513
Fri 10/706:20
LTN
-
IAD
2 stops18h 00m
Multiple Airlines
Mon 13/720:30
IAD
-
LTN
2 stops21h 20m
Multiple Airlines
Deal found 6/6£531
Fri 10/706:20
LTN
-
IAD
2 stops18h 00m
Multiple Airlines
Sun 19/720:30
IAD
-
LTN
2 stops20h 10m
Multiple Airlines
Deal found 6/6£542
Thu 27/813:00
LTN
-
IAD
1 stop11h 10m
Multiple Airlines
Tue 1/921:05
IAD
-
LTN
1 stop13h 25m
Multiple Airlines
Deal found 7/6£547
Wed 29/706:15
LTN
-
IAD
2 stops21h 00m
Multiple Airlines
Wed 5/820:30
IAD
-
LTN
2 stops19h 45m
Multiple Airlines
Deal found 6/6£555
Fri 28/806:20
LTN
-
IAD
1 stop14h 25m
Multiple Airlines
Sat 5/917:15
IAD
-
LTN
1 stop12h 15m
Multiple Airlines
Deal found 7/6£558
Mon 15/612:25
LTN
-
IAD
1 stop11h 50m
Multiple Airlines
Mon 22/621:00
IAD
-
LTN
1 stop13h 45m
Multiple Airlines
Deal found 8/6£567
Thu 16/709:25
LTN
-
IAD
2 stops14h 55m
Multiple Airlines
Mon 20/720:30
IAD
-
LTN
2 stops21h 20m
Multiple Airlines
Deal found 4/6£579
Fri 12/606:20
LTN
-
IAD
1 stop14h 25m
Multiple Airlines
Sun 21/621:00
IAD
-
LTN
1 stop11h 25m
Multiple Airlines
Deal found 5/6£582
Sun 30/819:00
LTN
-
BWI
2 stops29h 25m
Multiple Airlines
Sun 6/920:30
BWI
-
LTN
2 stops15h 45m
Multiple Airlines
Deal found 9/6£594
Wed 18/1108:00
LTN
-
BWI
1 stop15h 40m
Multiple Airlines
Wed 25/1119:40
BWI
-
LTN
1 stop12h 15m
Multiple Airlines
Deal found 6/6£596

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 9 June 2026.

Round-trip from

£504

One-way from

£313

Popular in

June

Cheapest in

February

Average price

£595
23/7-27/7
  • 23/7-27/7
  • 4 total stops
  • 29h 10m total
  • London to Washington, D.C.
16/9
  • 16/9
  • 2 total stops
  • 37h 44m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 9% potential increase in price (£43 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in June 2026

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 9 June 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

Wed 18/11

07:45-18:45

2 stops16h 00m

Washington, D.C. Dulles Intl

Fri 27/11

22:55-19:45

2 stops15h 50m

£664

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Wed 22/7

08:50-19:25

2 stops15h 35m

Baltimore/Washington

Wed 29/7

20:30-22:15

2 stops20h 45m

£692

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 19/11

12:15-19:05

2 stops35h 50m

Washington, D.C. Dulles Intl

Fri 4/12

22:55-19:45

2 stops15h 50m

£727

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Wed 22/7

19:20-22:15

2 stops31h 55m

Baltimore/Washington

Wed 5/8

23:20-19:25

2 stops15h 05m

£744

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 21/9

21:50-15:10

2 stops22h 20m

Washington, D.C. Dulles Intl

Mon 28/9

15:25-12:55

2 stops16h 30m

£760

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 10/7

16:20-15:45

2 stops28h 25m

Washington, D.C. Dulles Intl

Fri 24/7

17:15-14:35

2 stops16h 20m

£778

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 11/8

09:40-20:24

2 stops15h 44m

Washington, D.C. Dulles Intl

Wed 19/8

17:17-12:35

2 stops14h 18m

£802

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Wed 18/11

08:00-18:40

1 stop15h 40m

Baltimore/Washington

Wed 2/12

19:40-20:50

1 stop20h 10m

£806

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Sun 1/11

06:00-18:40

1 stop17h 40m

Baltimore/Washington

Tue 3/11

19:40-14:50

1 stop14h 10m

£806

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sat 21/11

12:35-19:30

1 stop11h 55m

Washington, D.C. Dulles Intl

Fri 27/11

17:05-10:40

1 stop12h 35m

£809

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 41 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 at night 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
Alexandria

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

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

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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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