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Cheap flights from London Luton Airport to Washington, D.C. from £314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Luton Airport to Washington, D.C. departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Luton Airport to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
05:40 - 20:35LTN  London Luton-IAD Washington, D.C. Dulles Intl
19h 55m2 stops Barcelona-El Prat Lisbon Humberto Delgado
Multiple Airlines Logo
17:40 - 18:05IAD  Washington, D.C. Dulles Intl-LTN London Luton
19h 25m2 stops Lisbon Humberto Delgado Barcelona-El Prat
£450Multiple Airlines
Thu, 1 Oct - Mon, 12 Oct
Multiple Airlines Logo
06:20 - 19:20LTN  London Luton-IAD Washington, D.C. Dulles Intl
18h 00m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
20:30 - 22:50IAD  Washington, D.C. Dulles Intl-LTN London Luton
21h 20m2 stops Reykjavik Keflavik Intl Dublin
£462Multiple Airlines
Fri, 16 Oct - Mon, 19 Oct
Multiple Airlines Logo
06:20 - 19:20LTN  London Luton-IAD Washington, D.C. Dulles Intl
18h 00m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
20:30 - 22:50IAD  Washington, D.C. Dulles Intl-LTN London Luton
21h 20m2 stops Reykjavik Keflavik Intl Dublin
£463Multiple Airlines
Fri, 16 Oct - Mon, 19 Oct
Multiple Airlines Logo
16:30 - 14:30LTN  London Luton-IAD Washington, D.C. Dulles Intl
27h 00m2 stops Barcelona-El Prat Rome Fiumicino
Multiple Airlines Logo
16:30 - 23:20IAD  Washington, D.C. Dulles Intl-LTN London Luton
25h 50m2 stops Rome Fiumicino Barcelona-El Prat
£471Multiple Airlines
Wed, 30 Sep - Sun, 4 Oct
Multiple Airlines Logo
06:00 - 20:35LTN  London Luton-IAD Washington, D.C. Dulles Intl
19h 35m2 stops Barcelona-El Prat Lisbon Humberto Delgado
Multiple Airlines Logo
17:25 - 17:35IAD  Washington, D.C. Dulles Intl-LTN London Luton
19h 10m2 stops Lisbon Humberto Delgado Barcelona-El Prat
£474Multiple Airlines
Fri, 4 Dec - Thu, 10 Dec
Multiple Airlines Logo
08:00 - 14:30LTN  London Luton-IAD Washington, D.C. Dulles Intl
35h 30m2 stops Madrid Barajas Rome Fiumicino
Multiple Airlines Logo
16:45 - 13:45IAD  Washington, D.C. Dulles Intl-LTN London Luton
16h 00m2 stops Rome Fiumicino Madrid Barajas
£477Multiple Airlines
Sat, 17 Oct - Sun, 1 Nov
Multiple Airlines Logo
06:20 - 19:20LTN  London Luton-IAD Washington, D.C. Dulles Intl
18h 00m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
20:30 - 22:50IAD  Washington, D.C. Dulles Intl-LTN London Luton
21h 20m2 stops Reykjavik Keflavik Intl Dublin
£478Multiple Airlines
Fri, 4 Sep - Mon, 7 Sep
Multiple Airlines Logo
09:25 - 19:20LTN  London Luton-IAD Washington, D.C. Dulles Intl
14h 55m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
20:30 - 22:50IAD  Washington, D.C. Dulles Intl-LTN London Luton
21h 20m2 stops Reykjavik Keflavik Intl Dublin
£479Multiple Airlines
Thu, 10 Sep - Mon, 14 Sep
Multiple Airlines Logo
09:25 - 19:20LTN  London Luton-IAD Washington, D.C. Dulles Intl
14h 55m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
20:30 - 22:50IAD  Washington, D.C. Dulles Intl-LTN London Luton
21h 20m2 stops Reykjavik Keflavik Intl Dublin
£480Multiple Airlines
Thu, 17 Sep - Mon, 21 Sep
Multiple Airlines Logo
09:40 - 19:20LTN  London Luton-IAD Washington, D.C. Dulles Intl
14h 40m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
20:30 - 15:30IAD  Washington, D.C. Dulles Intl-LTN London Luton
14h 00m2 stops Reykjavik Keflavik Intl Dublin
£485Multiple Airlines
Tue, 1 Sep - Tue, 8 Sep

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Customise your flight search to find flights from London Luton Airport 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, momondo users made 279,928 searches. Data last updated 14 August 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 London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Thu 1/10

05:40-20:35

2 stops19h 55m

Washington, D.C. Dulles Intl

Mon 12/10

17:40-18:05

2 stops19h 25m

£450

LondonWashington, D.C.

LTN London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Fri 16/10

06:20-19:20

2 stops18h 00m

Washington, D.C. Dulles Intl

Mon 19/10

20:30-22:50

2 stops21h 20m

£462

LondonWashington, D.C.

LTN London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Fri 16/10

06:20-19:20

2 stops18h 00m

Washington, D.C. Dulles Intl

Mon 19/10

20:30-22:50

2 stops21h 20m

£463

LondonWashington, D.C.

LTN London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Wed 30/9

16:30-14:30

2 stops27h 00m

Washington, D.C. Dulles Intl

Sun 4/10

16:30-23:20

2 stops25h 50m

£471

LondonWashington, D.C.

LTN London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Fri 4/12

06:00-20:35

2 stops19h 35m

Washington, D.C. Dulles Intl

Thu 10/12

17:25-17:35

2 stops19h 10m

£474

LondonWashington, D.C.

LTN London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Sat 17/10

08:00-14:30

2 stops35h 30m

Washington, D.C. Dulles Intl

Sun 1/11

16:45-13:45

2 stops16h 00m

£477

LondonWashington, D.C.

LTN London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Fri 4/9

06:20-19:20

2 stops18h 00m

Washington, D.C. Dulles Intl

Mon 7/9

20:30-22:50

2 stops21h 20m

£478

LondonWashington, D.C.

LTN London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Thu 10/9

09:25-19:20

2 stops14h 55m

Washington, D.C. Dulles Intl

Mon 14/9

20:30-22:50

2 stops21h 20m

£479

LondonWashington, D.C.

LTN London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Thu 17/9

09:25-19:20

2 stops14h 55m

Washington, D.C. Dulles Intl

Mon 21/9

20:30-22:50

2 stops21h 20m

£480
Fastest return journey

LondonWashington, D.C.

LTN London Luton - IAD Washington, D.C. Dulles Intl

LTNIAD

London Luton

Tue 1/9

09:40-19:20

2 stops14h 40m

Washington, D.C. Dulles Intl

Tue 8/9

20:30-15:30

2 stops14h 00m

£485

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from London Luton Airport to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from London Luton Airport is on a Friday. momondo users have found tickets for Friday departures for as low as £561. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from London Luton Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £605.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At midday is the cheapest time of day to fly from London Luton Airport to Washington, D.C. when you can find flight prices for as low as £567. Flying to Washington, D.C. at midday is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of £578. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from London Luton Airport to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from London Luton Airport to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Luton Airport to Washington, D.C. (LTN to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Luton Airport to Washington, D.C.

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from London Luton Airport to Washington, D.C. takes 13h 40m
There are no direct flights from London Luton Airport to Washington, D.C.. There are no popular flight routes from London Luton Airport to Washington, D.C..
Search flight deals

Frequently asked questions about flying from London Luton Airport to Washington, D.C.

  • How far is London Luton to Washington, D.C. by plane?

    A flight from London Luton to Washington, D.C. will travel around 3644.3 mi. In terms of flight time, this usually takes a little over 13h 40m.

  • When did momondo last update prices for flights from London Luton Airport to Washington, D.C.?

    Prices for flights from London Luton Airport to Washington, D.C. are refreshed on a daily basis.

  • How old do you have to be to fly from London Luton Airport to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Luton Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
College Park
Springfield
Fairfax
Arlington
Gettysburg
Linthicum Heights
National Harbor
Ellicott City
Cambridge
Glen Burnie
Westminster
Laurel
Lutherville Timonium
Lexington Park
Woodbridge
Bethesda
Silver Spring
Rockville
Landover

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington, D.C.?

It is quick and easy to find London to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport