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Cheap flights from London Luton Airport to Washington, D.C. from £430

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 29/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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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
05:50 - 15:35
LTN
-
IAD
14h 45m1 stop
Multiple Airlines Logo
17:05 - 08:55
IAD
-
LTN
10h 50m1 stop
£464Multiple Airlines
Fri, 30 Jan - Sun, 1 Feb
Multiple Airlines Logo
07:00 - 18:30
LTN
-
IAD
16h 30m1 stop
Multiple Airlines Logo
19:40 - 14:50
IAD
-
LTN
14h 10m1 stop
£467Multiple Airlines
Tue, 27 Jan - Tue, 3 Feb
Multiple Airlines Logo
06:00 - 18:30
LTN
-
IAD
17h 30m1 stop
Multiple Airlines Logo
19:40 - 14:50
IAD
-
LTN
14h 10m1 stop
£468Multiple Airlines
Thu, 22 Jan - Tue, 27 Jan
Multiple Airlines Logo
08:00 - 18:30
LTN
-
IAD
15h 30m1 stop
Multiple Airlines Logo
19:40 - 14:00
IAD
-
LTN
13h 20m1 stop
£470Multiple Airlines
Wed, 21 Jan - Mon, 26 Jan
Multiple Airlines Logo
08:00 - 18:30
LTN
-
IAD
15h 30m1 stop
Multiple Airlines Logo
19:40 - 14:50
IAD
-
LTN
14h 10m1 stop
£473Multiple Airlines
Wed, 25 Feb - Tue, 3 Mar
Multiple Airlines Logo
06:00 - 18:30
LTN
-
IAD
17h 30m1 stop
Multiple Airlines Logo
19:40 - 14:00
IAD
-
LTN
13h 20m1 stop
£476Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
Multiple Airlines Logo
09:00 - 15:35
LTN
-
IAD
11h 35m1 stop
Multiple Airlines Logo
17:05 - 09:45
IAD
-
LTN
11h 40m1 stop
£477Multiple Airlines
Tue, 13 Jan - Tue, 20 Jan
Multiple Airlines Logo
06:00 - 18:30
LTN
-
IAD
17h 30m1 stop
Multiple Airlines Logo
19:40 - 14:00
IAD
-
LTN
13h 20m1 stop
£481Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
Multiple Airlines Logo
05:50 - 20:30
LTN
-
IAD
18h 40m1 stop
Multiple Airlines Logo
18:05 - 16:45
IAD
-
LTN
18h 40m1 stop
£482Multiple Airlines
Fri, 20 Mar - Sun, 22 Mar
Multiple Airlines Logo
06:00 - 18:30
LTN
-
IAD
17h 30m1 stop
Multiple Airlines Logo
19:40 - 14:00
IAD
-
LTN
13h 20m1 stop
£485Multiple Airlines
Thu, 26 Feb - Mon, 2 Mar

momondo Fare Finder

 
Customise your flight search to find flights from London Luton Airport to Washington, D.C. Dulles Intl Airport 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 18 December 2025.
Use the filters below to find and compare flights from London Luton Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 30/1

05:50-15:35

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 1/2

17:05-08:55

1 stop10h 50m

£464

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 27/1

07:00-18:30

1 stop16h 30m

Washington, D.C. Dulles Intl

Tue 3/2

19:40-14:50

1 stop14h 10m

£467

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 22/1

06:00-18:30

1 stop17h 30m

Washington, D.C. Dulles Intl

Tue 27/1

19:40-14:50

1 stop14h 10m

£468

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 21/1

08:00-18:30

1 stop15h 30m

Washington, D.C. Dulles Intl

Mon 26/1

19:40-14:00

1 stop13h 20m

£470

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 25/2

08:00-18:30

1 stop15h 30m

Washington, D.C. Dulles Intl

Tue 3/3

19:40-14:50

1 stop14h 10m

£473

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 22/1

06:00-18:30

1 stop17h 30m

Washington, D.C. Dulles Intl

Mon 26/1

19:40-14:00

1 stop13h 20m

£476

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 13/1

09:00-15:35

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 20/1

17:05-09:45

1 stop11h 40m

£477

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 22/1

06:00-18:30

1 stop17h 30m

Washington, D.C. Dulles Intl

Mon 26/1

19:40-14:00

1 stop13h 20m

£481

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 20/3

05:50-20:30

1 stop18h 40m

Washington, D.C. Dulles Intl

Sun 22/3

18:05-16:45

1 stop18h 40m

£482

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 26/2

06:00-18:30

1 stop17h 30m

Washington, D.C. Dulles Intl

Mon 2/3

19:40-14:00

1 stop13h 20m

£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. Dulles Intl Airport

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. Dulles Intl Airport?

According to our data, Thursday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from London Luton Airport. The lowest ticket price found for a Thursday departure recently was £592. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 £652.

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

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the evening when flights can be purchased for as low as £530. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the afternoon when prices are around £611.

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

Are you open to changing your travel dates? Check out the ideal times to fly from London Luton Airport to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (LTN to IAD) flight deals and tips

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

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from London Luton Airport to Washington, D.C. Dulles Intl Airport takes 14h 30m
There are no direct flights from London Luton Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from London Luton Airport to Washington, D.C. Dulles Intl Airport.
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  • How far is London Luton to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from London Luton to Washington, D.C. Dulles Intl is 3659.1 mi. 14h 30m is a normal flight duration for this route.

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

    Prices for flights from London Luton Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

    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. Dulles Intl Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted 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
Laurel
College Park
Alexandria
Fairfax
Arlington
Linthicum Heights
Bethesda
Glen Burnie
Front Royal
Lutherville Timonium
Winchester
Ellicott City
Cambridge
Westminster
Woodbridge
Ashburn
Sterling
Silver Spring
Owings Mills
National Harbor

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Washington, D.C. for you.

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

All flight searches from London to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for London to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

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