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Cheap flights from London Luton Airport to Washington, D.C. from £327

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — WAS
7 Aug — 14 Aug1
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 8 July 2026.

Wed 23/916:30
LTN
-
IAD
2 stops33h 05m
Multiple Airlines
Sun 4/1022:35
IAD
-
LTN
2 stops19h 45m
Multiple Airlines
Deal found 7/7£453
Thu 17/908:00
LTN
-
IAD
2 stops35h 25m
Multiple Airlines
Wed 30/917:45
IAD
-
LTN
2 stops15h 10m
Multiple Airlines
Deal found 4/7£464
Thu 17/908:00
LTN
-
IAD
2 stops35h 25m
Multiple Airlines
Sun 27/917:40
IAD
-
LTN
2 stops15h 25m
Multiple Airlines
Deal found 7/7£465
Fri 28/808:00
LTN
-
IAD
2 stops17h 35m
Multiple Airlines
Mon 31/820:30
IAD
-
LTN
2 stops21h 20m
Multiple Airlines
Deal found 5/7£471
Thu 27/808:00
LTN
-
IAD
2 stops17h 35m
Multiple Airlines
Mon 31/820:30
IAD
-
LTN
2 stops21h 20m
Multiple Airlines
Deal found 5/7£477
Fri 21/806:20
LTN
-
IAD
2 stops20h 55m
Multiple Airlines
Mon 24/820:30
IAD
-
LTN
2 stops14h 15m
Multiple Airlines
Deal found 6/7£477
Wed 19/806:15
LTN
-
IAD
2 stops18h 05m
Multiple Airlines
Wed 26/820:30
IAD
-
LTN
2 stops19h 45m
Multiple Airlines
Deal found 5/7£478
Tue 6/1014:45
LTN
-
IAD
2 stops34h 50m
Multiple Airlines
Fri 16/1017:05
IAD
-
LTN
2 stops23h 00m
Multiple Airlines
Deal found 8/7£480
Tue 1/909:40
LTN
-
IAD
2 stops17h 35m
Multiple Airlines
Thu 10/920:30
IAD
-
LTN
2 stops21h 55m
Multiple Airlines
Deal found 3/7£480
Wed 19/806:15
LTN
-
IAD
3 stops38h 09m
Multiple Airlines
Mon 31/820:30
IAD
-
LTN
2 stops21h 20m
Multiple Airlines
Deal found 6/7£487
Thu 5/1106:15
LTN
-
BWI
2 stops17h 25m
Multiple Airlines
Thu 12/1119:40
BWI
-
LTN
2 stops20h 25m
Multiple Airlines
Deal found 7/7£569
Thu 10/907:00
LTN
-
BWI
2 stops20h 15m
Multiple Airlines
Mon 21/920:30
BWI
-
LTN
2 stops18h 25m
Multiple Airlines
Deal found 6/7£581

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 8 July 2026.

Round-trip from

£453

One-way from

£327

Popular in

June

Cheapest in

February

Average price

£565
23/9-4/10
  • 23/9-4/10
  • 4 total stops
  • 52h 50m total
  • London to Washington, D.C.
Search Deals
20/9
  • 20/9
  • 2 total stops
  • 31h 25m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£38 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 July 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 8 July 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 5/8

06:15-19:20

2 stops18h 05m

Washington, D.C. Dulles Intl

Wed 19/8

20:30-21:15

2 stops19h 45m

£497

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Thu 5/11

06:15-18:40

2 stops17h 25m

Baltimore/Washington

Thu 12/11

19:40-21:05

2 stops20h 25m

£569

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Thu 10/9

07:00-22:15

2 stops20h 15m

Baltimore/Washington

Mon 21/9

20:30-19:55

2 stops18h 25m

£581

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 26/11

12:15-19:05

2 stops35h 50m

Washington, D.C. Dulles Intl

Sun 13/12

09:55-14:25

2 stops23h 30m

£596

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 28/8

08:00-20:35

2 stops17h 35m

Washington, D.C. Dulles Intl

Thu 3/9

08:15-23:25

3 stops34h 10m

£598

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 22/9

08:00-20:35

2 stops17h 35m

Washington, D.C. Dulles Intl

Sat 26/9

20:30-16:05

2 stops14h 35m

£601

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sun 30/8

12:45-15:10

2 stops31h 25m

Washington, D.C. Dulles Intl

Wed 30/9

09:55-13:55

2 stops23h 00m

£614

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 27/8

08:00-20:35

2 stops17h 35m

Washington, D.C. Dulles Intl

Thu 3/9

17:15-14:05

2 stops15h 50m

£624

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 21/7

08:00-19:00

2 stops16h 00m

Washington, D.C. Dulles Intl

Tue 28/7

21:00-23:45

2 stops21h 45m

£629

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Sun 15/11

06:00-18:40

1 stop17h 40m

Baltimore/Washington

Sun 22/11

19:40-15:05

1 stop14h 25m

£635

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 45 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 17% of weekly flights between London and Washington, D.C. have experienced delays in the past year, with the average delay time being 8 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 morning 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 Friday 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
Gaithersburg
Oxon Hill
Hanover
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.?

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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