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$393+ Cheap flights from Reagan-National (DCA) to Billund (BLL)

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BLL
Dec 30 — Jan 61
Tue 12/30
Tue 1/6
1 adult, Economy
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Cheap flight deals from Reagan-National to Billund

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 November 30, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$476
(oojo)

One-way from

$393
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$707
Provider with most accurate pricing for Washington, D.C. Reagan-National-Billund flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Billund flights.
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From Washington, D.C. Reagan-National to Billund
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One-way flight from Washington, D.C. Reagan-National to Billund
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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. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Reagan-National to Billund

Best flights from Reagan-National to Billund
Discover carefully curated flight deals from Reagan-National to Billund that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 30, 2025.

This oojo deal was found by Cheapflights users on 11/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/131:44 pmDCA - BLL
2 stops16h 46mBritish Airways
Tue 1/201:10 pmBLL - DCA
2 stops16h 49mBritish Airways
Deal found 11/29$476
This Scandinavian Airlines deal was found by Cheapflights users on 11/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1311:10 amDCA - BLL
3 stops17h 25mScandinavian Airlines
Tue 1/2011:05 amBLL - DCA
2 stops17h 06mScandinavian Airlines
Deal found 11/29$518
This United Airlines deal was found by Cheapflights users on 11/28. 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.
Mon 1/128:25 amDCA - BLL
2 stops22h 55mUnited Airlines
Mon 1/196:45 amBLL - DCA
2 stops16h 46mUnited Airlines
Deal found 11/28$548
This Delta deal was found by Cheapflights users on 11/27. 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 2/45:00 pmDCA - BLL
2 stops15h 35mDelta
Sun 2/86:00 amBLL - DCA
2 stops18h 29mDelta
Deal found 11/27$587
This Mytrip deal was found by Cheapflights users on 11/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/134:10 pmDCA - BLL
3 stops22h 35mMultiple Airlines
Tue 1/207:30 pmBLL - DCA
3 stops30h 15mMultiple Airlines
Deal found 11/29$1,165
This Cheapflightsfares deal was found by Cheapflights users on 11/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:49 pmDCA - BLL
2 stops14h 06mBritish Airways
Thu 4/1612:50 pmBLL - DCA
2 stops16h 44mBritish Airways
Deal found 11/28$1,261

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 November 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Billund that are best for you.

Fly from

Reagan-National

Fly to

Billund

Route

Depart

Return

Price

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Tue 1/13

1:44 pm-12:30 pm

2 stops16h 46m

Billund

Tue 1/20

1:10 pm-11:59 pm

2 stops16h 49m

$476

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Tue 1/13

11:10 am-10:35 am

3 stops17h 25m

Billund

Tue 1/20

11:05 am-10:11 pm

2 stops17h 06m

$518

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Mon 1/12

8:25 am-1:20 pm

2 stops22h 55m

Billund

Mon 1/19

6:45 am-5:31 pm

2 stops16h 46m

$548

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Wed 2/4

5:00 pm-2:35 pm

2 stops15h 35m

Billund

Sun 2/8

6:00 am-6:29 pm

2 stops18h 29m

$587

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Tue 1/13

4:10 pm-8:45 pm

3 stops22h 35m

Billund

Tue 1/20

7:30 pm-7:45 pm

3 stops30h 15m

$1,165

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Thu 4/9

5:49 pm-1:55 pm

2 stops14h 06m

Billund

Thu 4/16

12:50 pm-11:34 pm

2 stops16h 44m

$1,261

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Wed 1/7

6:00 am-1:25 pm

2 stops25h 25m

$393

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Wed 1/7

11:05 am-4:45 pm

3 stops23h 40m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Billund flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Reagan-National Airport-Billund flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Billund flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Billund flights, Cheapflights users trust Expedia the most. Expedia 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. Reagan-National 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 Reagan-National to Billund

Have a flexible travel schedule? Discover the best time to fly to Billund from Reagan-National 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

    Located just 1.7 mi from the city center, Billund is the airport most travelers will use when flying to Billund from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Billund (BLL) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Reagan-National from 0 different airlines.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Billund?

    Departing from Washington, D.C. Reagan-National Airport to Billund will take you 16h 46m. The distance between Washington, D.C. Reagan-National Airport and Billund is about 3922 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Reagan-National to Billund that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Billund flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Billund?

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

  • Can I find deals for business class flights from Reagan-National to Billund?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

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