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Cheap flights from London Luton Airport to Washington, D.C. from $437

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 8/26. 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
6:10 pm - 3:10 pm
LTN
-
IAD
26h 00m
2 stops
Multiple Airlines Logo
5:45 pm - 1:55 pm
IAD
-
LTN
15h 10m
2 stops
$620Multiple Airlines
Wed, Sep 9 - Wed, Sep 23
Multiple Airlines Logo
6:20 am - 8:24 pm
LTN
-
IAD
19h 04m
2 stops
Multiple Airlines Logo
8:30 pm - 10:50 pm
IAD
-
LTN
21h 20m
2 stops
$630Multiple Airlines
Fri, Aug 28 - Mon, Aug 31
Multiple Airlines Logo
8:00 am - 2:25 pm
LTN
-
IAD
35h 25m
2 stops
Multiple Airlines Logo
5:45 pm - 1:55 pm
IAD
-
LTN
15h 10m
2 stops
$631Multiple Airlines
Thu, Sep 17 - Wed, Sep 30
Multiple Airlines Logo
1:40 pm - 3:10 pm
LTN
-
IAD
30h 30m
2 stops
Multiple Airlines Logo
8:30 pm - 10:50 pm
IAD
-
LTN
21h 20m
2 stops
$642Multiple Airlines
Tue, Aug 25 - Mon, Aug 31
Multiple Airlines Logo
6:15 am - 10:15 pm
LTN
-
IAD
21h 00m
2 stops
Multiple Airlines Logo
8:30 pm - 9:15 pm
IAD
-
LTN
19h 45m
2 stops
$644Multiple Airlines
Wed, Jul 29 - Wed, Aug 5
Multiple Airlines Logo
9:25 am - 7:20 pm
LTN
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
8:30 pm - 3:45 pm
IAD
-
LTN
14h 15m
2 stops
$652Multiple Airlines
Thu, Sep 3 - Mon, Sep 7
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
$653Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
7:55 am - 2:30 pm
LTN
-
IAD
35h 35m
2 stops
Multiple Airlines Logo
4:30 pm - 2:05 pm
IAD
-
LTN
16h 35m
2 stops
$655Multiple Airlines
Mon, Aug 24 - Sun, Sep 6
Multiple Airlines Logo
8:35 pm - 5:00 pm
LTN
-
IAD
25h 25m
2 stops
Multiple Airlines Logo
8:20 pm - 7:55 pm
IAD
-
LTN
18h 35m
2 stops
$671Multiple Airlines
Thu, Oct 8 - Sun, Oct 18
Multiple Airlines Logo
4:30 pm - 2:30 pm
LTN
-
IAD
27h 00m
2 stops
Multiple Airlines Logo
4:30 pm - 12:50 am
IAD
-
LTN
27h 20m
2 stops
$679Multiple Airlines
Wed, Sep 2 - Thu, Sep 10

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Customize your flight search to find flights from London Luton Airport to Washington, D.C. 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 July 5, 2026.
Use the filters below to find and compare flights from London Luton Airport to Washington, D.C. 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 9/9

6:10 pm-3:10 pm

2 stops26h 00m

Washington, D.C. Dulles Intl

Wed 9/23

5:45 pm-1:55 pm

2 stops15h 10m

$620

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 8/28

6:20 am-8:24 pm

2 stops19h 04m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-10:50 pm

2 stops21h 20m

$630

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 9/17

8:00 am-2:25 pm

2 stops35h 25m

Washington, D.C. Dulles Intl

Wed 9/30

5:45 pm-1:55 pm

2 stops15h 10m

$631

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 8/25

1:40 pm-3:10 pm

2 stops30h 30m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-10:50 pm

2 stops21h 20m

$642

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 7/29

6:15 am-10:15 pm

2 stops21h 00m

Washington, D.C. Dulles Intl

Wed 8/5

8:30 pm-9:15 pm

2 stops19h 45m

$644
Quickest round-trip

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 9/3

9:25 am-7:20 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Mon 9/7

8:30 pm-3:45 pm

2 stops14h 15m

$652

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

$653

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 8/24

7:55 am-2:30 pm

2 stops35h 35m

Washington, D.C. Dulles Intl

Sun 9/6

4:30 pm-2:05 pm

2 stops16h 35m

$655

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 10/8

8:35 pm-5:00 pm

2 stops25h 25m

Washington, D.C. Dulles Intl

Sun 10/18

8:20 pm-7:55 pm

2 stops18h 35m

$671

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 9/2

4:30 pm-2:30 pm

2 stops27h 00m

Washington, D.C. Dulles Intl

Thu 9/10

4:30 pm-12:50 am

2 stops27h 20m

$679

Flights are sorted by cheapest round-trip 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.

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.?

On average, the least expensive day to fly to Washington, D.C. from London Luton Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $753. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $897.

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

In the afternoon is the cheapest time of day to fly from London Luton Airport to Washington, D.C. when you can find flight prices for as low as $792. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $810. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

Fastest flight time

13h 10m

Direct flights

None
The fastest flight from London Luton Airport to Washington, D.C. takes 13h 10m
There are no direct flights from London Luton Airport to Washington, D.C.. There are no popular flight routes from London Luton Airport to Washington, D.C..
Search flight deals

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

  • How far is London Luton to Washington, D.C. by plane?

    There are 3644.3 mi between London Luton and Washington, D.C.. In terms of flight time, this usually takes a little over 13h 10m.

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

    Prices for flights from London Luton Airport to Washington, D.C. refresh daily.

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

    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..

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

    The required travel and health documents for your Washington, D.C. 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.. 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
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Tysons
Springfield
Fairfax
Bethesda
Edgewood

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for London to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from London.

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

Yes momondo offers price alerts on flights to Washington, D.C. from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport