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Cheap flights from London Luton Airport to Washington, D.C. from $440

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 9/17. 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 round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:40 am - 8:24 pm
LTN
-
IAD
15h 44m
2 stops
Multiple Airlines Logo
8:30 pm - 10:50 pm
IAD
-
LTN
21h 20m
2 stops
$613Multiple Airlines
Tue, Aug 25 - Mon, Aug 31
Multiple Airlines Logo
9:40 pm - 9:14 pm
LTN
-
IAD
28h 34m
3 stops
Multiple Airlines Logo
8:30 pm - 10:50 pm
IAD
-
LTN
21h 20m
2 stops
$625Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
8:00 am - 8:35 pm
LTN
-
IAD
17h 35m
2 stops
Multiple Airlines Logo
8:30 pm - 10:50 pm
IAD
-
LTN
21h 20m
2 stops
$649Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
6:15 am - 3:24 pm
LTN
-
IAD
38h 09m
3 stops
Multiple Airlines Logo
8:30 pm - 9:40 pm
IAD
-
LTN
20h 10m
2 stops
$650Multiple Airlines
Wed, Aug 26 - Sun, Aug 30
Multiple Airlines Logo
9:40 am - 7:20 pm
LTN
-
IAD
14h 40m
2 stops
Multiple Airlines Logo
8:30 pm - 10:50 pm
IAD
-
LTN
21h 20m
2 stops
$652Multiple Airlines
Tue, Aug 25 - Mon, Aug 31
Multiple Airlines Logo
6:15 am - 8:24 pm
LTN
-
IAD
19h 09m
2 stops
Multiple Airlines Logo
8:30 pm - 3:45 pm
IAD
-
LTN
14h 15m
2 stops
$662Multiple Airlines
Wed, Aug 26 - Mon, Aug 31
Multiple Airlines Logo
6:15 am - 7:20 pm
LTN
-
IAD
18h 05m
2 stops
Multiple Airlines Logo
8:30 pm - 12:30 am
IAD
-
LTN
23h 00m
2 stops
$667Multiple Airlines
Wed, Aug 5 - Fri, Aug 21
Multiple Airlines Logo
6:15 am - 8:24 pm
LTN
-
IAD
19h 09m
3 stops
Multiple Airlines Logo
8:30 pm - 3:45 pm
IAD
-
LTN
14h 15m
2 stops
$676Multiple Airlines
Wed, Aug 26 - Mon, Aug 31
Multiple Airlines Logo
6:15 am - 8:24 pm
LTN
-
IAD
19h 09m
2 stops
Multiple Airlines Logo
8:30 pm - 9:40 pm
IAD
-
LTN
20h 10m
2 stops
$678Multiple Airlines
Wed, Aug 26 - Sun, Aug 30
Multiple Airlines Logo
6:15 am - 8:24 pm
LTN
-
IAD
19h 09m
2 stops
Multiple Airlines Logo
8:30 pm - 9:55 pm
IAD
-
LTN
20h 25m
2 stops
$683Multiple Airlines
Wed, Aug 26 - Sat, Aug 29

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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 June 27, 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

Tue 8/25

9:40 am-8:24 pm

2 stops15h 44m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-10:50 pm

2 stops21h 20m

$613

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 8/27

9:40 pm-9:14 pm

3 stops28h 34m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-10:50 pm

2 stops21h 20m

$625

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 8/27

8:00 am-8:35 pm

2 stops17h 35m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-10:50 pm

2 stops21h 20m

$649

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 8/26

6:15 am-3:24 pm

3 stops38h 09m

Washington, D.C. Dulles Intl

Sun 8/30

8:30 pm-9:40 pm

2 stops20h 10m

$650

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 8/25

9:40 am-7:20 pm

2 stops14h 40m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-10:50 pm

2 stops21h 20m

$652
Quickest round-trip

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 8/26

6:15 am-8:24 pm

2 stops19h 09m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-3:45 pm

2 stops14h 15m

$662

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 8/5

6:15 am-7:20 pm

2 stops18h 05m

Washington, D.C. Dulles Intl

Fri 8/21

8:30 pm-12:30 am

2 stops23h 00m

$667

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 8/26

6:15 am-8:24 pm

3 stops19h 09m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-3:45 pm

2 stops14h 15m

$676

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 8/26

6:15 am-8:24 pm

2 stops19h 09m

Washington, D.C. Dulles Intl

Sun 8/30

8:30 pm-9:40 pm

2 stops20h 10m

$678

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 8/26

6:15 am-8:24 pm

2 stops19h 09m

Washington, D.C. Dulles Intl

Sat 8/29

8:30 pm-9:55 pm

2 stops20h 25m

$683

Flights are sorted by cheapest round-trip flights 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?

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 $750. 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 $897.

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 $796 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $808 on average. Flights to Washington, D.C. Dulles Intl Airport from London Luton Airport in the morning 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

11h 45m

Direct flights

None
The fastest flight from London Luton Airport to Washington, D.C. Dulles Intl Airport takes 11h 45m
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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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?

    Washington, D.C. Dulles Intl is 3659.1 mi away from London Luton. Typically, this will take 11h 45m 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Sterling
Tysons
Springfield
Fairfax

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.

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