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

Currently priced at $537, Lufthansa will fly you from Billund to Washington, D.C. Dulles Intl Airport and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from SWISS and Delta - these airlines can fly you to your destination from $720 and $811, respectively. These flights start at 3% lower than the current average price 3 months from now.

What is the cheapest day to fly from Billund to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Billund to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Billund to Washington, D.C. Dulles Intl Airport?

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 34% on your flight compared to booking on days when demand is much higher.

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

The best pricing can be found in the month of January. Prices to Washington, D.C. Dulles Intl Airport from Billund average $503. You can even find prices in January for less than $503, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $361. The month of July appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Billund. Flying in the targeted month can save you up to 22%.

What is the cheapest time of day to fly from BLL to IAD?

One of the essential ways to save on airfare from Billund to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 27% on airfare.

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.

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.

$537+ Flights from Billund to Washington, D.C. Dulles Intl Airport

Q: How far in advance should I book a flight from Billund to Washington, D.C. Dulles Intl Airport?

To save up to 71% on this flight, we recommend booking at least 16 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Billund to Washington, D.C. Dulles Intl Airport from $405 1-2 weeks out and tickets from $634 for flights departing within the next 72 hours.

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Find cheap flights from Billund to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Billund to Washington, D.C. Dulles Intl are usually found in November or February, booked 79 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Billund to Dulles Intl

Round-trip from	$537 (Lufthansa)
Popular in	May
Cheapest in	November
Average price	$655

From Billund to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($65 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 June 12, 2025.

Mon 8/186:00 amBLL - IAD

1 stop15h 20mLufthansa

Mon 8/255:40 pmIAD - BLL

1 stop12h 45mLufthansa

Deal found 6/11

$537

Sat 12/272:15 pmBLL - IAD

1 stop12h 00mAir Canada

Thu 1/11:05 pmIAD - BLL

2 stops14h 40mAir Canada

Deal found 6/11

$628

Thu 7/36:40 pmBLL - IAD

1 stop27h 35mSWISS

Wed 7/238:45 pmIAD - BLL

1 stop15h 05mSWISS

Deal found 6/12

$720

Thu 7/36:40 pmBLL - IAD

1 stop27h 35mMultiple Airlines

Wed 7/236:10 pmIAD - BLL

1 stop13h 55mMultiple Airlines

Deal found 6/10

$743

Sat 12/2710:25 amBLL - IAD

2 stops18h 35mDelta

Thu 1/112:30 pmIAD - BLL

2 stops15h 10mDelta

Deal found 6/10

$808

Sat 6/2812:45 pmBLL - IAD

1 stop13h 14mScandinavian Airlines

Wed 7/210:05 pmIAD - BLL

1 stop29h 20mScandinavian Airlines

Deal found 6/12

$1,118

Mon 8/185:05 pmBLL - IAD

2 stops31h 47mBritish Airways

Mon 8/2510:40 pmIAD - BLL

1 stop11h 40mBritish Airways

Deal found 6/11

$1,484

Best flights from Billund to Dulles Intl
Discover carefully curated flight deals from Billund to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Mon 8/186:00 amBLL - IAD

1 stop15h 20mLufthansa

Mon 8/255:40 pmIAD - BLL

1 stop12h 45mLufthansa

Deal found 6/11

$537

Thu 7/36:40 pmBLL - IAD

1 stop27h 35mSWISS

Wed 7/238:45 pmIAD - BLL

1 stop15h 05mSWISS

Deal found 6/12

$720

Thu 7/36:40 pmBLL - IAD

1 stop27h 35mMultiple Airlines

Wed 7/236:10 pmIAD - BLL

1 stop13h 55mMultiple Airlines

Deal found 6/10

$743

Sun 7/276:15 amBLL - IAD

1 stop16h 05mDelta

Sun 8/38:31 pmIAD - BLL

2 stops15h 09mDelta

Deal found 6/12

$811

Sat 6/2812:45 pmBLL - IAD

1 stop13h 14mScandinavian Airlines

Wed 7/210:05 pmIAD - BLL

1 stop29h 20mScandinavian Airlines

Deal found 6/12

$1,118

Mon 8/185:05 pmBLL - IAD

2 stops31h 47mBritish Airways

Mon 8/2510:40 pmIAD - BLL

1 stop11h 40mBritish Airways

Deal found 6/11

$1,484

Last-minute flights from Billund to Dulles Intl
Discover last-minute flight deals from Billund to Dulles Intl. Data last updated June 12, 2025 and is based on user searches.

Wed 6/256:00 amBLL - IAD

1 stop15h 50mLufthansa

Sun 6/2910:20 pmIAD - BLL

1 stop18h 55mLufthansa

Deal found 6/10

$577

Sat 6/2812:45 pmBLL - IAD

1 stop13h 14mScandinavian Airlines

Wed 7/210:05 pmIAD - BLL

1 stop29h 20mScandinavian Airlines

Deal found 6/12

$1,118

Thu 7/36:40 pmBLL - IAD

1 stop27h 35mSWISS

Wed 7/238:45 pmIAD - BLL

1 stop15h 05mSWISS

Deal found 6/12

$720

Thu 7/36:40 pmBLL - IAD

1 stop27h 35mMultiple Airlines

Wed 7/236:10 pmIAD - BLL

1 stop13h 55mMultiple Airlines

Deal found 6/10

$743

Sun 7/276:15 amBLL - IAD

1 stop16h 05mDelta

Sun 8/38:31 pmIAD - BLL

2 stops15h 09mDelta

Deal found 6/12

$811

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Mon 8/18

6:00 am-3:20 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

Mon 8/25

5:40 pm-12:25 pm

1 stop12h 45m

$537

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

$720

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

6:10 pm-2:05 pm

1 stop13h 55m

$743

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Sun 7/27

6:15 am-4:20 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 8/3

8:31 pm-5:40 pm

2 stops15h 09m

$811

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Sat 6/28

12:45 pm-7:59 pm

1 stop13h 14m

Washington, D.C. Dulles Intl

Wed 7/2

10:05 pm-9:25 am

1 stop29h 20m

$1,118

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Mon 8/18

5:05 pm-6:52 pm

2 stops31h 47m

Washington, D.C. Dulles Intl

Mon 8/25

10:40 pm-4:20 pm

1 stop11h 40m

$1,484

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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?

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 78 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 July is currently the most expensive (average of $349). 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

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

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

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

SWISS

7.5

Good

1,623 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Scandinavian Airlines

7.3

Good

1,387 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Lufthansa

6.8

Okay

7,139 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

British Airways

6.6

Okay

7,008 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 $537, Lufthansa will fly you from Billund to Washington, D.C. Dulles Intl Airport and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from SWISS and Delta - these airlines can fly you to your destination from $720 and $811, respectively. These flights start at 3% 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 July is currently the most expensive (average of $349). 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 airline flying from Billund to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$435	Average$448	FlexibilityNo cancel fee	On-time76%

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$537+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Billund to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Billund to Washington, D.C. Dulles Intl are usually found in November or February, booked 79 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Billund to Dulles Intl

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Billund to Dulles Intl

Cheapest flights from Billund to Dulles IntlExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Billund to Washington, D.C. Dulles Intl Airport that are best for you.

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.

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 June 9, 2025.

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

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

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?

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

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

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

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

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

Traveling to a place near Billund?

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Alternative routes for Billund to Dulles Intl

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Top airline flying from Billund to Dulles Intl

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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 June 12, 2025.