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LTN - IAD

Find cheap flights from London Luton Airport to Washington, D.C. from £176

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Luton to Dulles Intl departing on 28/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Tue 4/6
Tue 11/6

Search hundreds of travel sites at once for deals on flights to Washington, D.C.

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Washington, D.C., as well as popular online travel agencies
In the last 7 days, travellers have searched 43,369,418 times on KAYAK, and here's why:

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Cheap flight deals from Luton to Dulles Intl (LTN-IAD)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Luton to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
07:05 - 17:40LTN-IAD
15h 35m1 stop
18:50 - 12:40IAD-LTN
12h 50m1 stop
Wed, 21 Aug - Sun, 8 Sep
06:50 - 17:40LTN-IAD
15h 50m1 stop
18:05 - 14:35IAD-LTN
15h 30m1 stop
Sun, 22 Sep - Wed, 20 Nov
07:05 - 17:40LTN-IAD
15h 35m1 stop
18:50 - 12:40IAD-LTN
12h 50m1 stop
Wed, 21 Aug - Sun, 1 Sep
07:05 - 17:40LTN-IAD
15h 35m1 stop
18:50 - 13:30IAD-LTN
13h 40m1 stop
Wed, 21 Aug - Sat, 31 Aug
07:05 - 17:40LTN-IAD
15h 35m1 stop
18:50 - 13:40IAD-LTN
13h 50m1 stop
Wed, 26 Jun - Tue, 2 Jul
06:05 - 17:40LTN-IAD
16h 35m2 stops
18:50 - 22:15IAD-LTN
22h 25m2 stops
Thu, 16 May - Mon, 20 May
06:50 - 17:40LTN-IAD
15h 50m1 stop
23:15 - 22:05IAD-LTN
17h 50m2 stops
Sun, 22 Sep - Mon, 23 Sep
06:30 - 17:40LTN-IAD
16h 10m1 stop
18:50 - 13:10IAD-LTN
13h 20m1 stop
Fri, 17 May - Thu, 23 May
06:00 - 17:40LTN-IAD
16h 40m1 stop
23:15 - 22:05IAD-LTN
17h 50m2 stops
Mon, 16 Sep - Mon, 23 Sep
06:00 - 17:40LTN-IAD
16h 40m1 stop
23:15 - 19:45IAD-LTN
15h 30m2 stops
Mon, 16 Sep - Mon, 30 Sep

Flights from Luton to Dulles Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Luton to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from London Luton Airport to Washington, D.C. Dulles Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London Luton Airport to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London Luton Airport to Washington, D.C. Dulles Intl Airport is September, where tickets cost £498 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is £636 and £618 respectively.

How far in advance should I book a flight from London Luton Airport to Washington, D.C. Dulles Intl Airport?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London Luton Airport to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from London Luton Airport to Washington, D.C. Dulles Intl Airport, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 86 days before departure.

Good to know - Cheap tickets from London Luton Airport to Washington, D.C.

Cheapest flight

£176
Flight from London Luton Airport to Washington, D.C.

When to book flights from Luton to Dulles Intl

Are your dates flexible? Find out the best times to travel from Luton to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Luton Airport to Washington, D.C. flights

  • What is the cheapest flight from London Luton Airport to Washington, D.C. Dulles Intl Airport?

    In the last 3 days, the lowest price for a flight from London Luton Airport to Washington, D.C. Dulles Intl Airport was £221 for a one-way ticket and £486 for a return.

  • Which aircraft models fly most regularly from London Luton Airport to Washington, D.C.?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from London Luton Airport to Washington, D.C.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Luton Airport to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Luton Airport to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from London Luton Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Luton Airport to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington, D.C. with an airline and back to London Luton Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Luton Airport to Washington, D.C.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from London Luton Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from London to Washington, D.C.

Cheapest flights to Washington, D.C. from London found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Washington, D.C. found on KAYAK in the last 72 hours.
28/8Wed
1 stop
15h 35mLTN-IAD
£176
30/8Fri
1 stop
16h 10mLTN-IAD
£190
26/8Mon
1 stop
16h 40mLTN-IAD
£201
7/6Fri
1 stop
16h 10mLTN-IAD
£212
25/8Sun
1 stop
15h 50mLTN-IAD
£214
20/5Mon
1 stop
16h 40mLTN-IAD
£220
20/5Mon
3 stops
51h 30mLTN-IAD
£227
5/6Wed
2 stops
49h 20mLTN-IAD
£233
24/6Mon
1 stop
16h 40mLTN-IAD
£241
16/9Mon
1 stop
16h 40mLTN-IAD
£245

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Last minute flights from Luton to Dulles Intl

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from London to Washington, D.C. that are departing in the next 10 days.
8/5Wed
multi-stop
16h 25mLTN-IAD
13/6Thu
multi-stop
13h 20mIAD-LTN
£539
8/5Wed
multi-stop
16h 25mLTN-IAD
11/5Sat
multi-stop
13h 40mIAD-LTN
£599
6/5Mon
multi-stop
16h 40mLTN-IAD
9/5Thu
multi-stop
13h 20mIAD-LTN
£619
10/5Fri
multi-stop
16h 10mLTN-IAD
19/5Sun
multi-stop
12h 50mIAD-LTN
£633
8/5Wed
multi-stop
18h 00mLTN-IAD
10/6Mon
multi-stop
32h 40mIAD-LTN
£653
10/5Fri
multi-stop
16h 10mLTN-IAD
19/5Sun
multi-stop
37h 20mIAD-LTN
£681
10/5Fri
multi-stop
16h 10mLTN-IAD
8/6Sat
multi-stop
13h 40mIAD-LTN
£697
10/5Fri
multi-stop
16h 40mLTN-IAD
13/5Mon
multi-stop
15h 55mIAD-LTN
£785
10/5Fri
multi-stop
16h 40mLTN-IAD
13/5Mon
multi-stop
15h 55mIAD-LTN
£792
7/5Tue
multi-stop
14h 45mLTN-IAD
14/5Tue
multi-stop
14h 15mIAD-LTN
£925

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London Luton Airport - Washington, D.C. Flights

Departure:

London Luton Airport (LTN)United Kingdom

Destination:

Washington, D.C. (IAD)United States

Return flight deals:

Washington, D.C. - London Luton Airport

Cabin classes: