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Cheap flights from Billund to Washington, D.C. from $454

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 1/15. 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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Cheap round-trip flights

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British Airways Logo
1:00 pm - 7:55 pmBLL-IAD
12h 55m1 stop
British Airways Logo
9:45 pm - 12:30 pmIAD-BLL
32h 45m1 stop
$454British Airways
Find Deal
Thu, Jan 15 - Mon, Jan 19
British Airways Logo
1:00 pm - 7:55 pmBLL-IAD
12h 55m1 stop
British Airways Logo
9:45 pm - 12:20 pmIAD-BLL
32h 35m1 stop
$480British Airways
Find Deal
Thu, Jan 22 - Sun, Jan 25
Lufthansa Logo
6:30 am - 8:15 pmBLL-IAD
19h 45m1 stop
Lufthansa Logo
5:45 pm - 1:20 pmIAD-BLL
13h 35m2 stops
$495Lufthansa
Find Deal
Thu, Jan 15 - Mon, Jan 19
British Airways Logo
1:00 pm - 7:55 pmBLL-IAD
12h 55m1 stop
British Airways Logo
9:45 pm - 12:20 pmIAD-BLL
32h 35m1 stop
$502British Airways
Find Deal
Thu, Jan 22 - Sun, Jan 25
Air Canada Logo
2:00 pm - 8:26 pmBLL-IAD
36h 26m2 stops
Air Canada Logo
9:00 am - 1:20 pmIAD-BLL
22h 20m2 stops
$509Air Canada
Find Deal
Thu, Jan 15 - Mon, Jan 19
United Airlines Logo
2:00 pm - 8:15 pmBLL-IAD
12h 15m1 stop
United Airlines Logo
5:15 pm - 1:20 pmIAD-BLL
14h 05m1 stop
$510United Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Air Canada Logo
2:00 pm - 11:48 amBLL-IAD
27h 48m2 stops
Air Canada Logo
12:35 pm - 10:00 amIAD-BLL
15h 25m2 stops
$522Air Canada
Find Deal
Thu, Jan 22 - Sun, Jan 25
Air Canada Logo
2:00 pm - 11:48 amBLL-IAD
27h 48m2 stops
Air Canada Logo
12:35 pm - 10:00 amIAD-BLL
15h 25m2 stops
$523Air Canada
Find Deal
Thu, Jan 22 - Sun, Jan 25
British Airways Logo
1:00 pm - 4:40 pmBLL-IAD
32h 40m1 stop
British Airways Logo
7:15 pm - 1:55 pmIAD-BLL
12h 40m1 stop
$526British Airways
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Thu, Mar 26 - Thu, Apr 9
United Airlines Logo
10:35 am - 8:15 pmBLL-IAD
15h 40m1 stop
United Airlines Logo
6:30 am - 9:45 amIAD-BLL
45h 15m2 stops
$539United Airlines
Find Deal
Sat, Dec 13 - Wed, Dec 31

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

Our best British Airways deals on Billund to Washington, D.C. Dulles Intl Airport flight tickets
British Airways
Jan 15
BLL1:00 pmBillund
12h 55m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
Jan 19
IAD9:45 pmWashington, D.C. Dulles Intl
32h 45m
1 stop
BLL12:30 pmBillund
$454
Find similar
British Airways
Jan 22
BLL1:00 pmBillund
32h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Jan 25
IAD9:45 pmWashington, D.C. Dulles Intl
32h 35m
1 stop
BLL12:20 pmBillund
$480
Find similar
British Airways
Jan 22
BLL1:00 pmBillund
12h 55m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
Jan 25
IAD9:45 pmWashington, D.C. Dulles Intl
32h 35m
1 stop
BLL12:20 pmBillund
$502
Find similar

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
Jan 15
BLL6:30 amBillund
19h 45m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
Jan 19
IAD5:45 pmWashington, D.C. Dulles Intl
13h 35m
2 stops
BLL1:20 pmBillund
$495
Find similar
Lufthansa
Dec 13
BLL10:35 amBillund
15h 40m
2 stops
IAD8:15 pmWashington, D.C. Dulles Intl
Dec 31
IAD10:55 pmWashington, D.C. Dulles Intl
28h 50m
2 stops
BLL9:45 amBillund
$622
Find similar
Lufthansa
Dec 11
BLL6:30 amBillund
19h 45m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
Dec 27
IAD10:55 pmWashington, D.C. Dulles Intl
18h 25m
2 stops
BLL11:20 pmBillund
$639
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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 November 26, 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

Thu 1/15

1:00 pm-7:55 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 1/19

9:45 pm-12:30 pm

1 stop32h 45m

$454

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Thu 1/22

1:00 pm-7:55 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Sun 1/25

9:45 pm-12:20 pm

1 stop32h 35m

$480

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Thu 1/15

6:30 am-8:15 pm

1 stop19h 45m

Washington, D.C. Dulles Intl

Mon 1/19

5:45 pm-1:20 pm

2 stops13h 35m

$495

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Thu 1/22

1:00 pm-7:55 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Sun 1/25

9:45 pm-12:20 pm

1 stop32h 35m

$502

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Thu 1/15

2:00 pm-8:26 pm

2 stops36h 26m

Washington, D.C. Dulles Intl

Mon 1/19

9:00 am-1:20 pm

2 stops22h 20m

$509

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Thu 1/15

2:00 pm-8:15 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Mon 1/19

5:15 pm-1:20 pm

1 stop14h 05m

$510

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Thu 1/22

2:00 pm-11:48 am

2 stops27h 48m

Washington, D.C. Dulles Intl

Sun 1/25

12:35 pm-10:00 am

2 stops15h 25m

$522

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Thu 1/22

2:00 pm-11:48 am

2 stops27h 48m

Washington, D.C. Dulles Intl

Sun 1/25

12:35 pm-10:00 am

2 stops15h 25m

$523

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Thu 3/26

1:00 pm-4:40 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Thu 4/9

7:15 pm-1:55 pm

1 stop12h 40m

$526

BillundWashington, D.C.

BLL - IAD

BLLIAD

Billund

Sat 12/13

10:35 am-8:15 pm

1 stop15h 40m

Washington, D.C. Dulles Intl

Wed 12/31

6:30 am-9:45 am

2 stops45h 15m

$539

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, March 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 $463. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $466.

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 $610 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

Fastest flight time

12h 55m

Direct flights

None
The fastest flight from Billund to Washington, D.C. Dulles Intl Airport takes 12h 55m
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.
Search flight deals

  • 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 25m.

  • 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 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.

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

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

Why use momondo?

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?

Yes. momondo can track prices for Billund to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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