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Cheap flights from London Luton Airport to Washington, D.C. from £413

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 12/5. 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
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Find the cheapest flights from London Luton Airport to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:15 - 19:20
LTN
-
IAD
18h 05m
2 stops
Multiple Airlines Logo
20:30 - 21:40
IAD
-
LTN
20h 10m
2 stops
£436Multiple Airlines
Wed, 15 Apr - Sun, 19 Apr
Multiple Airlines Logo
06:15 - 19:20
LTN
-
IAD
18h 05m
2 stops
Multiple Airlines Logo
20:30 - 15:45
IAD
-
LTN
14h 15m
2 stops
£438Multiple Airlines
Wed, 29 Apr - Mon, 4 May
Multiple Airlines Logo
08:15 - 19:20
LTN
-
IAD
16h 05m
2 stops
Multiple Airlines Logo
20:30 - 22:50
IAD
-
LTN
21h 20m
2 stops
£443Multiple Airlines
Mon, 4 May - Mon, 11 May
Multiple Airlines Logo
09:25 - 19:20
LTN
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
20:30 - 21:15
IAD
-
LTN
19h 45m
2 stops
£445Multiple Airlines
Thu, 30 Apr - Wed, 6 May
Multiple Airlines Logo
06:15 - 19:20
LTN
-
IAD
18h 05m
2 stops
Multiple Airlines Logo
20:30 - 22:50
IAD
-
LTN
21h 20m
2 stops
£473Multiple Airlines
Wed, 29 Apr - Mon, 4 May
Multiple Airlines Logo
09:25 - 19:20
LTN
-
IAD
14h 55m
2 stops
Multiple Airlines Logo
20:30 - 21:55
IAD
-
LTN
20h 25m
2 stops
£485Multiple Airlines
Thu, 30 Apr - Sat, 9 May
Multiple Airlines Logo
08:15 - 19:25
LTN
-
IAD
16h 10m
1 stop
Multiple Airlines Logo
17:15 - 12:45
IAD
-
LTN
14h 30m
1 stop
£487Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:15 - 19:25
LTN
-
IAD
16h 10m
1 stop
Multiple Airlines Logo
17:15 - 12:45
IAD
-
LTN
14h 30m
1 stop
£489Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:15 - 19:25
LTN
-
IAD
16h 10m
1 stop
Multiple Airlines Logo
17:15 - 15:45
IAD
-
LTN
17h 30m
1 stop
£492Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
09:40 - 19:35
LTN
-
IAD
14h 55m
1 stop
Multiple Airlines Logo
17:15 - 13:25
IAD
-
LTN
15h 10m
1 stop
£495Multiple Airlines
Tue, 2 Jun - Tue, 9 Jun

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 1 April 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 return flight

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 15/4

06:15-19:20

2 stops18h 05m

Washington, D.C. Dulles Intl

Sun 19/4

20:30-21:40

2 stops20h 10m

£436

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 29/4

06:15-19:20

2 stops18h 05m

Washington, D.C. Dulles Intl

Mon 4/5

20:30-15:45

2 stops14h 15m

£438

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 4/5

08:15-19:20

2 stops16h 05m

Washington, D.C. Dulles Intl

Mon 11/5

20:30-22:50

2 stops21h 20m

£443

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 30/4

09:25-19:20

2 stops14h 55m

Washington, D.C. Dulles Intl

Wed 6/5

20:30-21:15

2 stops19h 45m

£445

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 29/4

06:15-19:20

2 stops18h 05m

Washington, D.C. Dulles Intl

Mon 4/5

20:30-22:50

2 stops21h 20m

£473

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Thu 30/4

09:25-19:20

2 stops14h 55m

Washington, D.C. Dulles Intl

Sat 9/5

20:30-21:55

2 stops20h 25m

£485

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 13/4

08:15-19:25

1 stop16h 10m

Washington, D.C. Dulles Intl

Mon 20/4

17:15-12:45

1 stop14h 30m

£487

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 13/4

08:15-19:25

1 stop16h 10m

Washington, D.C. Dulles Intl

Mon 20/4

17:15-12:45

1 stop14h 30m

£489

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 13/4

08:15-19:25

1 stop16h 10m

Washington, D.C. Dulles Intl

Mon 20/4

17:15-15:45

1 stop17h 30m

£492
Fastest return journey

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 2/6

09:40-19:35

1 stop14h 55m

Washington, D.C. Dulles Intl

Tue 9/6

17:15-13:25

1 stop15h 10m

£495

Flights are sorted by cheapest return 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. 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?

According to our data, Wednesday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from London Luton Airport. The lowest ticket price found for a Wednesday departure recently was £584. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from London Luton Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £636.

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

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is at midday when flights can be purchased for as low as £583. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £600.

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 return 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 05m

Direct flights

None
The fastest flight from London Luton Airport to Washington, D.C. Dulles Intl Airport takes 11h 05m
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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  • How far is London Luton to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from London Luton to Washington, D.C. Dulles Intl is 3659.1 mi. 11h 05m is a normal flight duration for this route.

  • 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 are updated 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
College Park
Fairfax
Arlington
Linthicum Heights
Glen Burnie
Front Royal
Laurel
Lutherville Timonium
Winchester
Ellicott City
Cambridge
Lexington Park
Leesburg
Westminster
Woodbridge
Ashburn
Sterling
Bethesda
Alexandria
Silver Spring

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Washington, D.C. for you.

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

All flight searches from London to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for London to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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