Dulles Intl

$467+ Cheap flights from Billund (BLL) to Dulles Intl (IAD)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BLL — IAD
May 4 — May 111
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Cheapflights Tip: The best prices from Billund to Washington, D.C. Dulles Intl are usually found in November or February, booked 51 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap 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 April 29, 2025.

Round-trip from

$467
(Expedia)

Popular in

August

Cheapest in

November

Average price

$671
From Billund to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 9% potential increase in price ($62 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find 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 April 29, 2025.

This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:05 pmBLL - IAD
1 stop28h 55mBritish Airways
Sat 9/277:25 pmIAD - BLL
1 stop13h 20mBritish Airways
Deal found 4/29$467
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:15 amBLL - IAD
1 stop11h 20mMultiple Airlines
Fri 9/269:20 pmIAD - BLL
1 stop18h 35mMultiple Airlines
Deal found 4/29$488
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/162:15 pmBLL - IAD
1 stop31h 20mKLM
Sat 9/275:25 pmIAD - BLL
1 stop10h 05mKLM
Deal found 4/29$494
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:05 pmBLL - IAD
1 stop12h 20mLufthansa
Mon 9/293:25 pmIAD - BLL
1 stop12h 45mLufthansa
Deal found 4/29$497
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 9/176:00 amBLL - IAD
2 stops17h 56mDelta
Sat 9/277:50 pmIAD - BLL
2 stops15h 50mDelta
Deal found 4/29$499
This Ovago deal was found by Cheapflights users on 4/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:40 pmBLL - IAD
1 stop27h 35mSWISS
Wed 7/238:45 pmIAD - BLL
1 stop15h 05mSWISS
Deal found 4/29$721
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:25 amBLL - IAD
3 stops19h 25mScandinavian Airlines
Fri 6/2012:13 pmIAD - BLL
3 stops20h 42mScandinavian Airlines
Deal found 4/28$1,485

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 April 29, 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

Wed 9/17

5:05 pm-4:00 pm

1 stop28h 55m

Washington, D.C. Dulles Intl

Sat 9/27

7:25 pm-2:45 pm

1 stop13h 20m

$467

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Tue 9/16

10:15 am-3:35 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Fri 9/26

9:20 pm-9:55 pm

1 stop18h 35m

$488

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Tue 9/16

2:15 pm-3:35 pm

1 stop31h 20m

Washington, D.C. Dulles Intl

Sat 9/27

5:25 pm-9:30 am

1 stop10h 05m

$494

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Tue 9/16

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 9/29

3:25 pm-10:10 am

1 stop12h 45m

$497

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Wed 9/17

6:00 am-6:42 pm

2 stops18h 42m

Washington, D.C. Dulles Intl

Sat 9/27

5:25 pm-10:30 am

1 stop11h 05m

$499

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Thu 7/3

6:40 pm-4:15 pm

1 stop27h 35m

Washington, D.C. Dulles Intl

Wed 7/23

8:45 pm-5:50 pm

1 stop15h 05m

$721

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Fri 6/13

6:25 am-7:50 pm

3 stops19h 25m

Washington, D.C. Dulles Intl

Fri 6/20

12:13 pm-2:55 pm

3 stops20h 42m

$1,485

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April 25, 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 50 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, August is the cheapest month in which you can book a flight from Billund to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Billund to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 29, 2025.
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 1 airline.

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

    Currently priced at $467, British Airways will fly you from Billund to Washington, D.C. Dulles Intl Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Lufthansa - these airlines can fly you to your destination from $494 and $497, respectively. These flights start at 17% lower than the current average price 3 months from now.

  • 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, August is the cheapest month in which you can book a flight from Billund to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Billund to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 Billund?

Book flights to Billund if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

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Alternative routes for Billund to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Billund to Dulles Intl

Discover the top airline that operate flights from Billund to Dulles Intl. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$435Average$448FlexibilityNo cancel feeOn-time76%

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