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Billund

$524+ Cheap flights from Dulles Intl (IAD) to Billund (BLL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BLL
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Dulles Intl to Billund

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Billund (BLL). 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 October 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$524
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$681
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Billund flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Billund flights.
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From Washington, D.C. Dulles Intl to Billund
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Highest demand for flights based on searches. 15% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Dulles Intl to Billund

Cheapest flights from Dulles Intl to Billund
Explore the most affordable flight options available from Dulles Intl to Billund. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:55 pmIAD - BLL
2 stops18h 15mMultiple Airlines
Fri 12/56:30 amBLL - IAD
2 stops20h 29mMultiple Airlines
Deal found 10/28$524
This KLM deal was found by Cheapflights users on 10/28. 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.
Wed 11/266:05 pmIAD - BLL
1 stop9h 35mKLM
Mon 12/810:25 amBLL - IAD
1 stop11h 40mKLM
Deal found 10/28$527
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:49 pmIAD - BLL
2 stops42h 56mScandinavian Airlines
Mon 12/83:40 pmBLL - IAD
2 stops33h 39mScandinavian Airlines
Deal found 10/27$529
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 11/2612:11 pmIAD - BLL
2 stops17h 09mDelta
Mon 12/86:00 amBLL - IAD
1 stop16h 05mDelta
Deal found 10/27$531
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/265:50 pmIAD - BLL
2 stops33h 55mUnited Airlines
Mon 12/86:45 amBLL - IAD
1 stop15h 05mUnited Airlines
Deal found 10/28$533
This Delta deal was found by Cheapflights users on 10/29. 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.
Sun 11/306:05 pmIAD - BLL
1 stop13h 45mDelta
Fri 12/510:25 amBLL - IAD
2 stops18h 43mDelta
Deal found 10/29$538
This Air Canada deal was found by Cheapflights users on 10/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:11 pmIAD - BLL
2 stops29h 29mAir Canada
Fri 12/56:30 amBLL - IAD
2 stops20h 29mAir Canada
Deal found 10/29$539
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/3010:11 pmIAD - BLL
2 stops33h 09mUnited Airlines
Fri 12/56:30 amBLL - IAD
3 stops23h 25mUnited Airlines
Deal found 10/28$549
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:20 pmIAD - BLL
1 stop12h 00mBritish Airways
Fri 12/1912:55 pmBLL - IAD
1 stop13h 00mBritish Airways
Deal found 10/28$762
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 12/1210:05 pmIAD - BLL
2 stops33h 15mUnited Airlines
Fri 12/196:30 amBLL - IAD
2 stops19h 35mUnited Airlines
Deal found 10/28$892

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Billund 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 October 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Billund that are best for you.

Fly from

Dulles Intl

Fly to

Billund

Route

Depart

Return

Price

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Sun 11/30

6:05 pm-1:50 pm

1 stop13h 45m

Billund

Fri 12/5

10:25 am-4:05 pm

1 stop11h 40m

$527

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Wed 11/26

6:05 pm-9:40 am

1 stop9h 35m

Billund

Mon 12/8

2:30 pm-4:05 pm

1 stop31h 35m

$527

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Wed 11/26

7:49 pm-8:45 pm

2 stops42h 56m

Billund

Mon 12/8

3:40 pm-7:19 pm

2 stops33h 39m

$529

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Wed 11/26

12:11 pm-11:20 am

2 stops17h 09m

Billund

Mon 12/8

6:00 am-4:05 pm

1 stop16h 05m

$531

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Sun 11/30

5:15 pm-10:00 am

1 stop10h 45m

Billund

Fri 12/5

6:30 am-3:50 pm

1 stop15h 20m

$533

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Sun 11/30

5:15 pm-10:00 am

1 stop10h 45m

Billund

Fri 12/5

6:30 am-8:59 pm

2 stops20h 29m

$533

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Wed 11/26

1:20 pm-1:25 pm

2 stops18h 05m

Billund

Mon 12/8

6:45 am-8:59 pm

2 stops20h 14m

$533

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Wed 11/26

9:00 am-1:25 pm

2 stops22h 25m

Billund

Mon 12/8

6:45 am-8:59 pm

2 stops20h 14m

$539

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Sun 11/30

10:11 pm-9:40 am

2 stops29h 29m

Billund

Fri 12/5

6:30 am-8:59 pm

2 stops20h 29m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Billund flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Billund flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Billund flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Billund flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C. Dulles Intl Airport-Billund 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 Dulles Intl to Billund

Have a flexible travel schedule? Discover the best time to fly to Billund from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Billund

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Billund (average of $479). Flying from Washington, D.C. Dulles Intl Airport to Billund in July is currently the most expensive (average of $765). 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.

Reviews of airlines servicing Billund

Get insights into the airlines that provide service to Billund. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Billund. Reviews last updated October 29, 2025.
Get a feel of what it's like to fly with KLM, Scandinavian Airlines, and Lufthansa from Washington, D.C. Dulles Intl Airport to Billund by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Scandinavian Airlines
7.4
Good
1,545 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,538 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Billund. 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 into for flights to Billund from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Billund, you will be flying into Billund. Billund (BLL) is just 1.7 mi from the center of the city. Billund is the only Billund airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 3 airlines have flights to Billund from Washington, D.C. Dulles Intl on a regular basis.

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

    Departing from Washington, D.C. Dulles Intl Airport to Billund will take you 13h 45m. The distance from Washington, D.C. Dulles Intl Airport to Billund is about 3931 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Billund round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Billund, with prices starting at $465. Additional round-trip tickets that might be worth considering are offered by KLM and Lufthansa, with the lowest prices starting at $552 and $578, respectively. Scandinavian Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Billund 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 Washington, D.C. Dulles Intl Airport to Billund?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Billund (average of $479). Flying from Washington, D.C. Dulles Intl Airport to Billund in July is currently the most expensive (average of $765). 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

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Top 3 airlines flying from Dulles Intl to Billund

Discover the top 3 airlines that operate flights from Dulles Intl to Billund. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$465Average$687FlexibilityNo cancel feeOn-time77%
KLMCheapest$552Average$767FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$578Average$735FlexibilityNo cancel feeOn-time76%

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