Cheap flights from London Luton Airport to Washington, D.C. from $546

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 6/13. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:15 am - 7:20 pm
LTN
-
IAD
18h 05m
2 stops
Multiple Airlines Logo
8:30 pm - 9:15 pm
IAD
-
LTN
19h 45m
2 stops
$585Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
9:40 am - 7:20 pm
LTN
-
IAD
14h 40m
2 stops
Multiple Airlines Logo
8:30 pm - 3:30 pm
IAD
-
LTN
14h 00m
2 stops
$607Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
9:25 am - 7:20 pm
LTN
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
8:30 pm - 9:40 pm
IAD
-
LTN
20h 10m
2 stops
$611Multiple Airlines
Thu, May 7 - Sun, May 10
Multiple Airlines Logo
6:15 am - 7:20 pm
LTN
-
IAD
18h 05m
2 stops
Multiple Airlines Logo
8:30 pm - 3:30 pm
IAD
-
LTN
14h 00m
2 stops
$616Multiple Airlines
Wed, Apr 8 - Tue, Apr 14
Multiple Airlines Logo
9:25 am - 7:20 pm
LTN
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
8:30 pm - 3:30 pm
IAD
-
LTN
14h 00m
2 stops
$626Multiple Airlines
Thu, Apr 9 - Tue, Apr 14
Multiple Airlines Logo
9:25 am - 7:20 pm
LTN
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
8:30 pm - 9:15 pm
IAD
-
LTN
19h 45m
2 stops
$632Multiple Airlines
Thu, Apr 30 - Wed, May 6
Multiple Airlines Logo
9:25 am - 7:20 pm
LTN
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
8:30 pm - 9:15 pm
IAD
-
LTN
19h 45m
2 stops
$633Multiple Airlines
Thu, Apr 30 - Wed, May 6
Multiple Airlines Logo
9:25 am - 7:20 pm
LTN
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
8:30 pm - 9:15 pm
IAD
-
LTN
19h 45m
2 stops
$634Multiple Airlines
Thu, Apr 30 - Wed, May 6
Multiple Airlines Logo
9:25 am - 7:20 pm
LTN
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
8:30 pm - 9:55 pm
IAD
-
LTN
20h 25m
2 stops
$641Multiple Airlines
Thu, Apr 30 - Sat, May 9
Multiple Airlines Logo
8:15 am - 7:25 pm
LTN
-
IAD
16h 10m
1 stop
Multiple Airlines Logo
5:15 pm - 12:45 pm
IAD
-
LTN
14h 30m
1 stop
$644Multiple Airlines
Mon, Apr 13 - Mon, Apr 20

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 29, 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 round-trip

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 4/22

6:15 am-7:20 pm

2 stops18h 05m

Washington, D.C. Dulles Intl

Wed 4/29

8:30 pm-9:15 pm

2 stops19h 45m

$585
Quickest round-trip

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 4/14

9:40 am-7:20 pm

2 stops14h 40m

Washington, D.C. Dulles Intl

Tue 4/21

8:30 pm-3:30 pm

2 stops14h 00m

$607

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 5/7

9:25 am-7:20 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Sun 5/10

8:30 pm-9:40 pm

2 stops20h 10m

$611

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 4/8

6:15 am-7:20 pm

2 stops18h 05m

Washington, D.C. Dulles Intl

Tue 4/14

8:30 pm-3:30 pm

2 stops14h 00m

$616

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 4/9

9:25 am-7:20 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Tue 4/14

8:30 pm-3:30 pm

2 stops14h 00m

$626

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 4/30

9:25 am-7:20 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Wed 5/6

8:30 pm-9:15 pm

2 stops19h 45m

$632

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 4/30

9:25 am-7:20 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Wed 5/6

8:30 pm-9:15 pm

2 stops19h 45m

$633

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 4/30

9:25 am-7:20 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Wed 5/6

8:30 pm-9:15 pm

2 stops19h 45m

$634

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 4/30

9:25 am-7:20 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Sat 5/9

8:30 pm-9:55 pm

2 stops20h 25m

$641

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 4/13

8:15 am-7:25 pm

1 stop16h 10m

Washington, D.C. Dulles Intl

Mon 4/20

5:15 pm-12:45 pm

1 stop14h 30m

$644

Flights are sorted by cheapest round-trip 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?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $749. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Luton Airport to Washington, D.C. Dulles Intl Airport for around $869.

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

Flying to Washington, D.C. Dulles Intl Airport from London Luton Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $810 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $844 on average. Flights to Washington, D.C. Dulles Intl Airport from London Luton Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 round-trip 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

10h 25m

Direct flights

None
The fastest flight from London Luton Airport to Washington, D.C. Dulles Intl Airport takes 10h 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.
  • How far is London Luton to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 3659.1 mi away from London Luton. Typically, this will take 10h 25m by plane in normal conditions.

  • 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 refresh 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from London with this policy.

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

momondo helps you find the best flight between London and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of London to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 4/28
Tue 5/5

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