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Dulles Intl

$471+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BLL — IAD
avr. 22 — avr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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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 avril 17, 2025.

Round-trip from

$471
(Ticket)

Popular in

August

Cheapest in

November

Average price

$671
From Billund to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 avril 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. 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.
ven. 5/22:15 pmBLL - IAD
2 stops16h 13mDelta
mer. 5/79:20 pmIAD - BLL
1 stop13h 05mDelta
Deal found 4/17$493
This Sembo deal was found by Cheapflights users on 4/17. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/26:00 amBLL - IAD
2 stops21h 08mMultiple Airlines
mer. 5/71:53 pmIAD - BLL
2 stops14h 17mMultiple Airlines
Deal found 4/17$519
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
jeu. 7/31:05 pmBLL - IAD
1 stop12h 20mLufthansa
mer. 7/2310:20 pmIAD - BLL
2 stops29h 50mLufthansa
Deal found 4/17$757
This KLM deal was found by Cheapflights users on 4/17. 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.
lun. 7/76:35 pmBLL - IAD
1 stop27h 00mKLM
sam. 7/265:25 pmIAD - BLL
1 stop14h 25mKLM
Deal found 4/17$795
This Scandinavian Airlines deal was found by Cheapflights users on 4/17. 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.
jeu. 7/36:25 amBLL - IAD
3 stops19h 28mScandinavian Airlines
mer. 7/2312:30 pmIAD - BLL
2 stops29h 25mScandinavian Airlines
Deal found 4/17$1,246
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/1110:35 pmBLL - IAD
1 stop26h 45mIcelandair
dim. 6/2211:15 pmIAD - BLL
1 stop16h 20mIcelandair
Deal found 4/17$2,598
This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/1210:05 amBLL - IAD
1 stop31h 40mTurkish Airlines
jeu. 6/191:30 pmIAD - BLL
1 stop22h 40mTurkish Airlines
Deal found 4/17$2,987
This Air Canada deal was found by Cheapflights users on 4/17. 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.
mar. 6/106:00 amBLL - IAD
2 stops21h 27mAir Canada
jeu. 6/195:12 pmIAD - BLL
2 stops14h 48mAir Canada
Deal found 4/17$3,254
This British Airways deal was found by Cheapflights users on 4/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/105:05 pmBLL - IAD
1 stop30h 25mBritish Airways
ven. 6/2010:40 pmIAD - BLL
1 stop10h 55mBritish Airways
Deal found 4/17$3,261
This Air France deal was found by Cheapflights users on 4/17. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/126:45 amBLL - IAD
2 stops14h 50mAir France
dim. 6/226:30 pmIAD - BLL
1 stop21h 55mAir France
Deal found 4/17$3,338
This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/129:55 amBLL - IAD
2 stops16h 55mTAP AIR PORTUGAL
sam. 6/2110:35 pmIAD - BLL
2 stops38h 15mTAP AIR PORTUGAL
Deal found 4/17$5,553

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 avril 17, 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

ven. 5/2

2:15 pm-12:28 am

2 stops16h 13m

Washington, D.C. Dulles Intl

mer. 5/7

9:20 pm-4:25 pm

1 stop13h 05m

$493

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

ven. 5/2

6:00 am-9:08 pm

2 stops21h 08m

Washington, D.C. Dulles Intl

mer. 5/7

1:53 pm-10:10 am

2 stops14h 17m

$519

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jeu. 7/3

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

mer. 7/23

10:20 pm-10:10 am

2 stops29h 50m

$757

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

lun. 7/7

6:35 pm-3:35 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

sam. 7/26

5:25 pm-1:50 pm

1 stop14h 25m

$795

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jeu. 7/3

6:25 am-7:53 pm

3 stops19h 28m

Washington, D.C. Dulles Intl

mer. 7/23

12:30 pm-11:55 pm

2 stops29h 25m

$1,246

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

mer. 6/11

10:35 pm-7:20 pm

1 stop26h 45m

Washington, D.C. Dulles Intl

dim. 6/22

11:15 pm-9:35 pm

1 stop16h 20m

$2,598

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jeu. 6/12

10:05 am-11:45 am

1 stop31h 40m

Washington, D.C. Dulles Intl

jeu. 6/19

1:30 pm-6:10 pm

1 stop22h 40m

$2,987

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

mar. 6/10

6:00 am-9:27 pm

2 stops21h 27m

Washington, D.C. Dulles Intl

jeu. 6/19

5:12 pm-2:00 pm

2 stops14h 48m

$3,254

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

mar. 6/10

5:05 pm-5:30 pm

1 stop30h 25m

Washington, D.C. Dulles Intl

mer. 6/18

10:40 pm-3:25 pm

1 stop10h 45m

$3,261

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

jeu. 6/12

6:45 am-3:35 pm

2 stops14h 50m

Washington, D.C. Dulles Intl

dim. 6/22

6:30 pm-10:25 pm

1 stop21h 55m

$3,338

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 11 results
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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 11, 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 $383). 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 avril 17, 2025.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
Turkish Airlines
7.3
Good
3,769 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

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 $493, Delta will fly you from Billund to Washington, D.C. Dulles Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and KLM - these airlines can fly you to your destination from $757 and $795, respectively. These flights start at 13% 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 $383). 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
Arlington
Alexandria
Fairfax
Tysons
Springfield
Woodbridge
Rockville
Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
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.
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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 avril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$435Average$534FlexibilityNo cancel feeOn-time76%

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