Cheap flights from Billund to Washington, D.C. from $516

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billund to Washington, D.C. departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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United Airlines Logo
6:45 am - 3:50 pmBLL-IAD
15h 05m1 stop
United Airlines Logo
6:00 pm - 1:40 pmIAD-BLL
13h 40m1 stop
$516United Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 30
United Airlines Logo
2:25 pm - 8:15 pmBLL-IAD
11h 50m1 stop
United Airlines Logo
5:15 pm - 1:30 pmIAD-BLL
14h 15m1 stop
$517United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Lufthansa Logo
2:15 pm - 3:50 pmBLL-IAD
31h 35m1 stop
Lufthansa Logo
5:15 pm - 9:45 amIAD-BLL
10h 30m1 stop
$520Lufthansa
Find Deal
Sat, Dec 27 - Thu, Jan 1
Lufthansa Logo
2:15 pm - 2:35 pmBLL-IAD
30h 20m1 stop
Lufthansa Logo
5:15 pm - 9:45 amIAD-BLL
10h 30m1 stop
$522Lufthansa
Find Deal
Sat, Dec 27 - Thu, Jan 1
Air Canada Logo
10:20 am - 8:26 pmBLL-IAD
16h 06m2 stops
Air Canada Logo
9:00 am - 1:30 pmIAD-BLL
22h 30m2 stops
$529Air Canada
Find Deal
Wed, Dec 3 - Sun, Dec 7
Air Canada Logo
10:20 am - 8:26 pmBLL-IAD
16h 06m2 stops
Air Canada Logo
4:30 pm - 1:30 pmIAD-BLL
15h 00m2 stops
$530Air Canada
Find Deal
Wed, Dec 3 - Sun, Dec 7
Multiple Airlines Logo
6:35 am - 4:27 pmBLL-IAD
15h 52m2 stops
Multiple Airlines Logo
5:15 pm - 10:00 amIAD-BLL
10h 45m1 stop
$546Multiple Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 28
Delta Logo
6:00 am - 11:39 amBLL-IAD
35h 39m2 stops
Delta Logo
10:20 pm - 5:50 pmIAD-BLL
37h 30m2 stops
$615Delta
Find Deal
Mon, Dec 8 - Sun, Dec 28
Delta Logo
2:30 pm - 4:05 pmBLL-IAD
31h 35m1 stop
Delta Logo
6:05 pm - 9:40 amIAD-BLL
9h 35m1 stop
$744Delta
Find Deal
Sun, Dec 14 - Mon, Dec 29
Multiple Airlines Logo
2:50 pm - 3:35 pmBLL-IAD
30h 45m2 stops
Multiple Airlines Logo
7:40 pm - 7:55 pmIAD-BLL
18h 15m1 stop
$1,000Multiple Airlines
Find Deal
Sat, Dec 13 - Thu, Dec 25

United Airlines flights from Billund to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Billund to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Dec 8
BLL6:45 amBillund
15h 05m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Dec 30
IAD6:00 pmWashington, D.C. Dulles Intl
13h 40m
1 stop
BLL1:40 pmBillund
United Airlines
Dec 3
BLL2:25 pmBillund
11h 50m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
Dec 7
IAD5:15 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
BLL1:30 pmBillund
United Airlines
Dec 13
BLL10:35 amBillund
31h 05m
2 stops
IAD11:40 amWashington, D.C. Dulles Intl
Dec 25
IAD6:30 amWashington, D.C. Dulles Intl
24h 50m
2 stops
BLL1:20 pmBillund

Lufthansa flights from Billund to Washington, D.C. Dulles Intl Airport

Our best Lufthansa deals on Billund to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Dec 27
BLL2:15 pmBillund
31h 35m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Jan 1
IAD5:15 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BLL9:45 amBillund
Lufthansa
Dec 27
BLL2:15 pmBillund
30h 20m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Jan 1
IAD5:15 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BLL9:45 amBillund
Lufthansa
Dec 10
BLL10:20 amBillund
15h 55m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
Dec 27
IAD10:00 pmWashington, D.C. Dulles Intl
30h 00m
1 stop
BLL10:00 amBillund

momondo Fare Finder

 
Customize your flight search to find flights from Billund to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated October 13, 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

Fly to

Route

Depart

Return

Price

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Mon 12/8

6:45 am-3:50 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Tue 12/30

6:00 pm-1:40 pm

1 stop13h 40m

$516

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Wed 12/3

2:25 pm-8:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Sun 12/7

5:15 pm-1:30 pm

1 stop14h 15m

$517

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Sat 12/27

2:15 pm-3:50 pm

1 stop31h 35m

Washington, D.C. Dulles Intl

Thu 1/1

5:15 pm-9:45 am

1 stop10h 30m

$520

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Sat 12/27

2:15 pm-2:35 pm

1 stop30h 20m

Washington, D.C. Dulles Intl

Thu 1/1

5:15 pm-9:45 am

1 stop10h 30m

$522

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Wed 12/3

10:20 am-8:26 pm

2 stops16h 06m

Washington, D.C. Dulles Intl

Sun 12/7

9:00 am-1:30 pm

2 stops22h 30m

$529

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Wed 12/3

10:20 am-8:26 pm

2 stops16h 06m

Washington, D.C. Dulles Intl

Sun 12/7

4:30 pm-1:30 pm

2 stops15h 00m

$530

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Wed 12/10

6:35 am-4:27 pm

2 stops15h 52m

Washington, D.C. Dulles Intl

Sun 12/28

5:15 pm-10:00 am

1 stop10h 45m

$546

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Mon 12/8

6:00 am-11:39 am

2 stops35h 39m

Washington, D.C. Dulles Intl

Sun 12/28

10:20 pm-5:50 pm

2 stops37h 30m

$615

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Sun 12/14

2:30 pm-4:05 pm

1 stop31h 35m

Washington, D.C. Dulles Intl

Mon 12/29

6:05 pm-9:40 am

1 stop9h 35m

$744

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Sat 12/13

2:50 pm-3:35 pm

2 stops30h 45m

Washington, D.C. Dulles Intl

Thu 12/25

7:40 pm-7:55 pm

1 stop18h 15m

$1,000

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Billund to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Billund and Washington, D.C. Dulles Intl Airport?

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

In general, November is the cheapest month to fly from Billund to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $433. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $455.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $438. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Billund to Washington, D.C. Dulles Intl Airport for around $590.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Billund at noon is the least expensive time of day to depart. momondo users have found prices as low as $438 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $592 on average. Flights to Washington, D.C. Dulles Intl Airport from Billund in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Billund when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $575 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Billund for as low as $481 on momondo.

When to book flights from Billund to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Billund to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billund to Washington, D.C. Dulles Intl Airport (BLL to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billund to Washington, D.C. Dulles Intl Airport

Direct flights

None
There are no direct flights from Billund to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Billund to Washington, D.C. Dulles Intl Airport.
  • How far is Billund to Washington, D.C. Dulles Intl by plane?

    There are 3930.4 mi between Billund and Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 11h 40m.

  • When did momondo last update prices for flights from Billund Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Billund Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Billund Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Billund Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Billund Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Billund to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Billund to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Billund to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $435Free CancellationRating
6.8
7,476 reviews
Search Lufthansa flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Fairfax
Reston
Gaithersburg
Glen Burnie

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Why should I use momondo to find a flight deal from Billund to Washington, D.C.?

Finding the right flight to Washington, D.C. from Billund is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Billund to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Billund to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Billund to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Billund. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Billund to Washington, D.C. right now. Can momondo alert me if prices change?

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1 adult
Wed 11/12
Wed 11/19

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