Which airline has the best punctuality record on Washington, D.C. to London flights?

According to our data, Air Seoul have had the least number of delays on this route over the last 12 months; with about 100% of their flights experiencing any sort of delay.

What is the most punctual flight time for Washington, D.C. to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

How often are flights from Washington, D.C. to London delayed?

Historically, on average around 20% of flights between Washington, D.C. and London have experienced a delay on any given week. The average delay length over the past 12 months has been 17 minutes.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to London Luton Airport.

What documentation or ID do you need to fly to London Luton Airport?

The required travel and health documents for your London Luton 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 London Luton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$367 Cheap Flights from Washington, D.C. Dulles Intl Airport to London Luton Airport in 2025/26

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

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8:40 pm - 3:25 pm

IAD

LTN

14h 45m2 stops

5:50 am - 7:30 pm

LTN

IAD

17h 40m2 stops

$578Multiple Airlines

Fri, Mar 20 - Fri, Mar 27

7:40 pm - 4:05 pm

IAD

LTN

15h 25m2 stops

9:00 am - 6:30 pm

LTN

IAD

14h 30m2 stops

$579Multiple Airlines

Sat, Jan 17 - Sat, Jan 24

7:40 pm - 2:50 pm

IAD

LTN

14h 10m1 stop

7:00 am - 6:30 pm

LTN

IAD

16h 30m1 stop

$580Multiple Airlines

Tue, Jan 13 - Tue, Jan 27

7:40 pm - 4:05 pm

IAD

LTN

15h 25m2 stops

9:00 am - 6:30 pm

LTN

IAD

14h 30m2 stops

$581Multiple Airlines

Sat, Jan 17 - Sat, Jan 24

9:00 am - 11:45 am

IAD

LTN

22h 45m3 stops

6:05 am - 8:54 pm

LTN

IAD

18h 49m2 stops

$583Multiple Airlines

Wed, Mar 18 - Thu, Mar 26

7:40 pm - 2:50 pm

IAD

LTN

14h 10m1 stop

7:00 am - 6:30 pm

LTN

IAD

16h 30m1 stop

$584Multiple Airlines

Tue, Jan 20 - Tue, Jan 27

7:40 pm - 12:55 pm

IAD

LTN

12h 15m1 stop

8:00 am - 6:30 pm

LTN

IAD

15h 30m1 stop

$585Multiple Airlines

Wed, Feb 25 - Mon, Mar 2

7:40 pm - 5:50 pm

IAD

LTN

17h 10m2 stops

7:10 am - 6:30 pm

LTN

IAD

16h 20m2 stops

$586Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

8:30 pm - 10:55 pm

IAD

LTN

21h 25m2 stops

8:50 pm - 5:15 pm

LTN

IAD

25h 25m2 stops

$587Multiple Airlines

Sat, Jan 17 - Tue, Jan 20

9:55 am - 8:10 pm

IAD

LTN

30h 15m2 stops

8:50 pm - 5:40 pm

LTN

IAD

24h 50m2 stops

$588Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 3/20

8:40 pm-3:25 pm

2 stops14h 45m

London Luton

Fri 3/27

5:50 am-7:30 pm

2 stops17h 40m

$578

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 1/17

7:40 pm-4:05 pm

2 stops15h 25m

London Luton

Sat 1/24

9:00 am-6:30 pm

2 stops14h 30m

$579

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 1/13

7:40 pm-2:50 pm

1 stop14h 10m

London Luton

Tue 1/27

7:00 am-6:30 pm

1 stop16h 30m

$580

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 1/17

7:40 pm-4:05 pm

2 stops15h 25m

London Luton

Sat 1/24

9:00 am-6:30 pm

2 stops14h 30m

$581

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 3/18

9:00 am-11:45 am

3 stops22h 45m

London Luton

Thu 3/26

6:05 am-8:54 pm

2 stops18h 49m

$583

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 1/20

7:40 pm-2:50 pm

1 stop14h 10m

London Luton

Tue 1/27

7:00 am-6:30 pm

1 stop16h 30m

$584

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 2/25

7:40 pm-12:55 pm

1 stop12h 15m

London Luton

Mon 3/2

8:00 am-6:30 pm

1 stop15h 30m

$585

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 2/24

7:40 pm-5:50 pm

2 stops17h 10m

London Luton

Tue 3/3

7:10 am-6:30 pm

2 stops16h 20m

$586

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Sat 1/17

8:30 pm-10:55 pm

2 stops21h 25m

London Luton

Tue 1/20

8:50 pm-5:15 pm

2 stops25h 25m

$587

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Thu 3/19

9:55 am-8:10 pm

2 stops30h 15m

London Luton

Thu 3/26

8:50 pm-5:40 pm

2 stops24h 50m

$588

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to London Luton 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

Prices

Delays

What is the cheapest day to depart on your flight to London Luton Airport?

According to our data, Tuesday is the cheapest day to fly to London Luton Airport from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Tuesday departure recently was $743. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. Dulles Intl Airport to London Luton Airport on a Friday will generally be more expensive and average around $1,027. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to London Luton Airport?

According to our data, the cheapest time of day to fly to London Luton Airport is in the evening. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to London Luton Airport in the evening for as low as $540. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to London Luton Airport are more costly in the afternoon, with an average ticket price of $810. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to London Luton Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to London Luton Airport (IAD to LTN) flight deals and tips

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

Fastest flight time	9h 45m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to London Luton Airport takes 9h 45m

There are no direct flights from Washington, D.C. Dulles Intl Airport to London Luton Airport. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to London Luton Airport.

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How far is Washington, D.C. Dulles Intl to London Luton by plane?
Washington, D.C. Dulles Intl and London Luton are 3659.1 mi apart from one another. Flights usually cover this in 9h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to London Luton Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to London Luton Airport are updated daily.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to London Luton Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to London Luton Airport.
What documentation or ID do you need to fly to London Luton Airport?
The required travel and health documents for your London Luton 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 London Luton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Romford

Watford

Ilford

Cobham

Folkestone

Uxbridge

Stansted

Chelmsford

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

Finding the right flight to London from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Flights from Washington, D.C. to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Washington, D.C. and London 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 Washington, D.C. to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Washington, D.C.. 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.

An easier way to manage your London Luton Airport trip

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Cheap flights from Washington, D.C. Dulles Intl Airport to London from $368

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London Luton Airport that are best for you.

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to London Luton 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 London Luton Airport?

What is the cheapest time of day to depart on your flight to London Luton Airport?

How often are flights from Washington, D.C. to London delayed?

Historically, on average around 20% of flights between Washington, D.C. and London have experienced a delay on any given week. The average delay length over the past 12 months has been 17 minutes.

What is the most punctual flight time for Washington, D.C. to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to London flights?

According to our data, Air Seoul have had the least number of delays on this route over the last 12 months; with about 100% of their flights experiencing any sort of delay.

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

Cheap Washington, D.C. Dulles Intl Airport to London Luton Airport (IAD to LTN) flight deals and tips

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

Fastest flight time

Direct flights

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

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

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

What documentation or ID do you need to fly to London Luton Airport?

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Luton 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.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo