Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Luton Airport to Washington, D.C. from £423

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 11/11. 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
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
06:20 - 19:15
LTN
-
IAD
17h 55m
1 stop
Multiple Airlines Logo
21:00 - 15:45
IAD
-
LTN
13h 45m
1 stop
£505Multiple Airlines
Fri, 29 May - Mon, 1 Jun
Multiple Airlines Logo
06:20 - 19:15
LTN
-
IAD
17h 55m
1 stop
Multiple Airlines Logo
17:15 - 17:25
IAD
-
LTN
19h 10m
1 stop
£506Multiple Airlines
Fri, 19 Jun - Fri, 3 Jul
Multiple Airlines Logo
06:15 - 20:29
LTN
-
IAD
19h 14m
2 stops
Multiple Airlines Logo
08:18 - 22:50
IAD
-
LTN
33h 32m
3 stops
£510Multiple Airlines
Wed, 17 Jun - Mon, 22 Jun
Multiple Airlines Logo
06:20 - 15:45
LTN
-
IAD
14h 25m
1 stop
Multiple Airlines Logo
21:00 - 12:45
IAD
-
LTN
10h 45m
1 stop
£520Multiple Airlines
Fri, 5 Jun - Mon, 8 Jun
Multiple Airlines Logo
06:15 - 15:45
LTN
-
IAD
14h 30m
1 stop
Multiple Airlines Logo
21:10 - 15:30
IAD
-
LTN
13h 20m
1 stop
£521Multiple Airlines
Wed, 1 Jul - Tue, 7 Jul
Multiple Airlines Logo
09:25 - 19:00
LTN
-
IAD
14h 35m
1 stop
Multiple Airlines Logo
17:15 - 11:25
IAD
-
LTN
13h 10m
1 stop
£522Multiple Airlines
Thu, 4 Jun - Sun, 7 Jun
Multiple Airlines Logo
13:10 - 19:25
LTN
-
IAD
11h 15m
1 stop
Multiple Airlines Logo
21:00 - 15:45
IAD
-
LTN
13h 45m
1 stop
£522Multiple Airlines
Tue, 16 Jun - Mon, 22 Jun
Multiple Airlines Logo
06:20 - 15:45
LTN
-
IAD
14h 25m
1 stop
Multiple Airlines Logo
21:00 - 12:45
IAD
-
LTN
10h 45m
1 stop
£526Multiple Airlines
Fri, 12 Jun - Mon, 15 Jun
Multiple Airlines Logo
12:25 - 19:15
LTN
-
IAD
11h 50m
1 stop
Multiple Airlines Logo
21:00 - 12:45
IAD
-
LTN
10h 45m
1 stop
£527Multiple Airlines
Mon, 15 Jun - Mon, 22 Jun
Multiple Airlines Logo
12:25 - 19:15
LTN
-
IAD
11h 50m
1 stop
Multiple Airlines Logo
21:00 - 12:45
IAD
-
LTN
10h 45m
1 stop
£528Multiple Airlines
Mon, 15 Jun - Mon, 22 Jun

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 17 May 2026.
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

Cheapest return flight

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 29/5

06:20-19:15

1 stop17h 55m

Washington, D.C. Dulles Intl

Mon 1/6

21:00-15:45

1 stop13h 45m

£505

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 19/6

06:20-19:15

1 stop17h 55m

Washington, D.C. Dulles Intl

Fri 3/7

17:15-17:25

1 stop19h 10m

£506

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 17/6

06:15-20:29

2 stops19h 14m

Washington, D.C. Dulles Intl

Mon 22/6

08:18-22:50

3 stops33h 32m

£510

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 5/6

06:20-15:45

1 stop14h 25m

Washington, D.C. Dulles Intl

Mon 8/6

21:00-12:45

1 stop10h 45m

£520

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 1/7

06:15-15:45

1 stop14h 30m

Washington, D.C. Dulles Intl

Tue 7/7

21:10-15:30

1 stop13h 20m

£521

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 4/6

09:25-19:00

1 stop14h 35m

Washington, D.C. Dulles Intl

Sun 7/6

17:15-11:25

1 stop13h 10m

£522

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 16/6

13:10-19:25

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 22/6

21:00-15:45

1 stop13h 45m

£522

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 12/6

06:20-15:45

1 stop14h 25m

Washington, D.C. Dulles Intl

Mon 15/6

21:00-12:45

1 stop10h 45m

£526
Fastest return journey

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 15/6

12:25-19:15

1 stop11h 50m

Washington, D.C. Dulles Intl

Mon 22/6

21:00-12:45

1 stop10h 45m

£527

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 15/6

12:25-19:15

1 stop11h 50m

Washington, D.C. Dulles Intl

Mon 22/6

21:00-12:45

1 stop10h 45m

£528

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, Wednesday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from London Luton Airport. The lowest ticket price found for a Wednesday departure recently was £574. 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 £616.

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 at midday when flights can be purchased for as low as £564. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £591.

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

11h 25m

Direct flights

None
The fastest flight from London Luton Airport to Washington, D.C. Dulles Intl Airport takes 11h 25m
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.
Search flight deals

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

  • 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. 11h 25m 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
Alexandria
College Park
Springfield
Fairfax
Arlington
Gettysburg
Linthicum Heights
Front Royal
Glen Burnie
Winchester
Laurel
Ellicott City
Lutherville Timonium
Cambridge
Westminster
Lexington Park
Leesburg
Ashburn
Sterling
Woodbridge

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.

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 16/6
Tue 23/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.