Cheap flights from London Luton Airport to Washington, D.C. from $489

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 2/22. 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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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
1:10 pm - 7:35 pm
LTN
-
IAD
11h 25m
1 stop
Multiple Airlines Logo
5:15 pm - 9:15 am
IAD
-
LTN
11h 00m
1 stop
$629Multiple Airlines
Tue, Mar 31 - Tue, Apr 7
Multiple Airlines Logo
1:10 pm - 7:35 pm
LTN
-
IAD
11h 25m
1 stop
Multiple Airlines Logo
5:15 pm - 9:15 am
IAD
-
LTN
11h 00m
1 stop
$634Multiple Airlines
Tue, Mar 31 - Tue, Apr 7
Multiple Airlines Logo
1:45 pm - 3:10 pm
LTN
-
IAD
30h 25m
2 stops
Multiple Airlines Logo
10:35 pm - 7:05 pm
IAD
-
LTN
15h 30m
2 stops
$637Multiple Airlines
Mon, Apr 13 - Thu, Apr 23
Multiple Airlines Logo
6:00 am - 6:30 pm
LTN
-
IAD
17h 30m
2 stops
Multiple Airlines Logo
8:40 pm - 4:45 pm
IAD
-
LTN
16h 05m
2 stops
$645Multiple Airlines
Sat, Mar 7 - Sun, Mar 22
Multiple Airlines Logo
6:00 am - 8:30 pm
LTN
-
IAD
18h 30m
1 stop
Multiple Airlines Logo
5:15 pm - 8:20 am
IAD
-
LTN
10h 05m
1 stop
$662Multiple Airlines
Sat, Mar 28 - Sat, Apr 4
Multiple Airlines Logo
12:25 pm - 7:30 pm
LTN
-
IAD
12h 05m
1 stop
Multiple Airlines Logo
10:00 pm - 8:15 pm
IAD
-
LTN
18h 15m
1 stop
$666Multiple Airlines
Sat, Mar 7 - Sat, Mar 21
Multiple Airlines Logo
5:50 am - 3:35 pm
LTN
-
IAD
14h 45m
1 stop
Multiple Airlines Logo
6:05 pm - 8:35 am
IAD
-
LTN
10h 30m
1 stop
$668Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
6:00 am - 6:30 pm
LTN
-
IAD
17h 30m
2 stops
Multiple Airlines Logo
8:40 pm - 8:15 pm
IAD
-
LTN
19h 35m
2 stops
$675Multiple Airlines
Sat, Mar 7 - Sat, Mar 21
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
$677Multiple Airlines
Thu, Jun 11 - Tue, Jun 16
Multiple Airlines Logo
8:15 am - 3:45 pm
LTN
-
IAD
12h 30m
1 stop
Multiple Airlines Logo
5:15 pm - 9:15 am
IAD
-
LTN
11h 00m
1 stop
$685Multiple Airlines
Mon, May 11 - Mon, May 18

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 February 14, 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

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 3/31

1:10 pm-7:35 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Tue 4/7

5:15 pm-9:15 am

1 stop11h 00m

$629

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 3/31

1:10 pm-7:35 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Tue 4/7

5:15 pm-9:15 am

1 stop11h 00m

$634

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 4/13

1:45 pm-3:10 pm

2 stops30h 25m

Washington, D.C. Dulles Intl

Thu 4/23

10:35 pm-7:05 pm

2 stops15h 30m

$637

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sat 3/7

6:00 am-6:30 pm

2 stops17h 30m

Washington, D.C. Dulles Intl

Sun 3/22

8:40 pm-4:45 pm

2 stops16h 05m

$645

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sat 3/28

6:00 am-8:30 pm

1 stop18h 30m

Washington, D.C. Dulles Intl

Sat 4/4

5:15 pm-8:20 am

1 stop10h 05m

$662

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sat 3/7

12:25 pm-7:30 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Sat 3/21

10:00 pm-8:15 pm

1 stop18h 15m

$666

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 3/6

5:50 am-3:35 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Mon 3/9

6:05 pm-8:35 am

1 stop10h 30m

$668

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Sat 3/7

6:00 am-6:30 pm

2 stops17h 30m

Washington, D.C. Dulles Intl

Sat 3/21

8:40 pm-8:15 pm

2 stops19h 35m

$675

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 6/11

9:25 am-7:20 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Tue 6/16

8:30 pm-3:30 pm

2 stops14h 00m

$677

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 5/11

8:15 am-3:45 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Mon 5/18

5:15 pm-9:15 am

1 stop11h 00m

$685

Flights are sorted by cheapest round-trip flights first.

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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 Tuesday, 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 $883.

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 $818 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 $849 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

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.
  • 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
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

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

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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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