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Dulles Intl

$358+ Cheap flights from Billund (BLL) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BLL — IAD
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Billund to Washington, D.C. Dulles Intl are usually found in March or February, booked 71 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Billund to Dulles Intl

Cheapest flights from Billund to Dulles Intl
Explore the most affordable flight options available from Billund to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This KLM deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/276:00 amBLL - IAD
1 stop16h 05mKLM
jue. 1/16:05 pmIAD - BLL
1 stop9h 35mKLM
Deal found 12/11$732
This Travelis deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/276:00 amBLL - IAD
1 stop16h 05mMultiple Airlines
jue. 1/16:05 pmIAD - BLL
1 stop9h 35mMultiple Airlines
Deal found 12/10$734
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/112:00 pmBLL - IAD
2 stops37h 18mUnited Airlines
sáb. 12/2710:00 pmIAD - BLL
1 stop30h 00mUnited Airlines
Deal found 12/10$779
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/136:45 amBLL - IAD
2 stops37h 50mUnited Airlines
mié. 12/315:31 pmIAD - BLL
2 stops34h 14mUnited Airlines
Deal found 12/10$817
This Cheapflightsfares deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/136:45 amBLL - IAD
1 stop19h 30mLufthansa
mié. 12/3110:55 pmIAD - BLL
2 stops18h 15mLufthansa
Deal found 12/11$871
This KLM deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:00 amBLL - IAD
1 stop16h 05mKLM
sáb. 12/276:05 pmIAD - BLL
1 stop22h 40mKLM
Deal found 12/10$873
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/1310:25 amBLL - IAD
1 stop11h 40mDelta
mié. 12/316:50 pmIAD - BLL
1 stop13h 45mDelta
Deal found 12/10$875

Find flight deals from Billund to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Billund (BLL) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$503
(Ticket)

One-way from

$358
(Expedia)

Popular in

December

Cheapest in

March

Average price

$686
Provider with most accurate pricing for Billund-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Billund-Washington, D.C. Dulles Intl flights.
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From Billund to Washington, D.C. Dulles Intl
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One-way flight from Billund to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Billund to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Billund to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Billund

Fly to

Dulles Intl

Route

Depart

Return

Price

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jue. 1/15

6:30 am-3:50 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

lun. 1/19

6:00 pm-1:20 pm

1 stop13h 20m

$503

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jue. 1/15

10:25 am-8:37 pm

2 stops16h 12m

Washington, D.C. Dulles Intl

lun. 1/19

6:50 pm-2:35 pm

1 stop13h 45m

$524

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jue. 1/15

10:25 am-8:37 pm

2 stops16h 12m

Washington, D.C. Dulles Intl

lun. 1/19

5:26 pm-1:30 pm

2 stops14h 04m

$531

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jue. 1/22

1:00 pm-7:55 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

dom. 1/25

9:45 pm-12:20 pm

1 stop32h 35m

$531

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jue. 1/15

6:30 am-3:50 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

lun. 1/19

5:15 pm-1:20 pm

1 stop14h 05m

$540

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jue. 1/22

6:30 am-3:50 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

dom. 1/25

9:00 am-1:30 pm

2 stops22h 30m

$540

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

sáb. 1/31

1:05 pm-7:55 pm

1 stop12h 50m

$358

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jue. 12/25

10:35 am-2:00 pm

2 stops33h 25m

$699

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jue. 12/18

6:30 am-8:26 pm

2 stops19h 56m

$1,732

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jue. 12/18

11:05 am-5:15 pm

1 stop12h 10m

$2,715

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

  • Most accurate provider: When it comes to deals on Billund-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billund-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Billund-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billund-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billund-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Billund to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Billund with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Billund to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Billund to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Billund to Dulles Intl. Price data was last updated on December 5, 2025.

The price you pay for your flight from Billund to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Billund to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Billund to Washington, D.C. Dulles Intl Airport (average of $409). Flying from Billund to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $608). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Billund to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Billund to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Billund to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Billund, you will be flying from Billund, which is the city’s only airport. Billund (BLL) is located 1.7 mi from the center of Billund. There are 0 flights from Billund to Washington, D.C. Dulles Intl per day from 0 different airlines.

  • How long is the flight from Billund to Washington, D.C. Dulles Intl Airport?

    A quick flight from Billund to Washington, D.C. Dulles Intl Airport can take about 12h 55m. Lufthansa provides one of the quickest options available for as low as $531. Billund and Washington, D.C. Dulles Intl Airport are separated by a distance of 3931 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Billund to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Billund to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billund to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billund to Dulles Intl.

  • Can I find deals for business class flights from Billund to Dulles Intl?

    Yes. Cheapflights offers flight deals from Billund to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billund to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Billund to Washington, D.C. Dulles Intl Airport (average of $409). Flying from Billund to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $608). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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