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Cheap flights from Chicago to Billund from $543

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Billund departing on 2/15. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:20 pm - 10:00 am
ORD
-
BLL
11h 40m
1 stop
United Airlines Logo
6:30 am - 3:20 pm
BLL
-
ORD
15h 50m
1 stop
$543United Airlines
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
4:05 pm - 10:00 am
ORD
-
BLL
10h 55m
1 stop
United Airlines Logo
6:30 am - 1:25 pm
BLL
-
ORD
13h 55m
1 stop
$545United Airlines
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
3:20 pm - 10:00 am
ORD
-
BLL
11h 40m
1 stop
United Airlines Logo
6:30 am - 2:55 pm
BLL
-
ORD
15h 25m
2 stops
$546United Airlines
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
4:05 pm - 10:00 am
ORD
-
BLL
10h 55m
1 stop
United Airlines Logo
6:30 am - 8:10 pm
BLL
-
ORD
20h 40m
2 stops
$548United Airlines
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
1:02 pm - 10:00 am
ORD
-
BLL
13h 58m
2 stops
United Airlines Logo
6:30 am - 3:20 pm
BLL
-
ORD
15h 50m
1 stop
$549United Airlines
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
1:02 pm - 10:00 am
ORD
-
BLL
13h 58m
2 stops
United Airlines Logo
6:30 am - 2:55 pm
BLL
-
ORD
15h 25m
2 stops
$551United Airlines
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
1:02 pm - 10:00 am
ORD
-
BLL
13h 58m
2 stops
United Airlines Logo
6:30 am - 2:55 pm
BLL
-
ORD
15h 25m
2 stops
$553United Airlines
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
1:02 pm - 10:00 am
ORD
-
BLL
13h 58m
2 stops
United Airlines Logo
2:00 pm - 11:43 pm
BLL
-
ORD
16h 43m
2 stops
$559United Airlines
Sun, Feb 15 - Thu, Feb 19
Delta Logo
5:59 pm - 5:55 pm
MDW
-
BLL
16h 56m
2 stops
Delta Logo
6:00 am - 6:05 pm
BLL
-
MDW
19h 05m
2 stops
$1,098Delta
Thu, Jun 4 - Wed, Jun 17
Delta Logo
6:34 pm - 1:45 pm
MDW
-
BLL
13h 11m
2 stops
Delta Logo
6:00 am - 6:40 pm
BLL
-
MDW
18h 40m
2 stops
$1,687Delta
Fri, Mar 13 - Fri, Mar 20

United Airlines flights from Chicago to Billund

Our best United Airlines deals on Chicago to Billund flight tickets
United Airlines
Feb 15
ORD3:20 pmChicago O'Hare Intl
11h 40m
1 stop
BLL10:00 amBillund
Feb 19
BLL6:30 amBillund
15h 50m
1 stop
ORD3:20 pmChicago O'Hare Intl
$543
United Airlines
Feb 15
ORD4:05 pmChicago O'Hare Intl
10h 55m
1 stop
BLL10:00 amBillund
Feb 19
BLL6:30 amBillund
13h 55m
1 stop
ORD1:25 pmChicago O'Hare Intl
$545
United Airlines
Feb 15
ORD3:20 pmChicago O'Hare Intl
11h 40m
1 stop
BLL10:00 amBillund
Feb 19
BLL6:30 amBillund
15h 25m
2 stops
ORD2:55 pmChicago O'Hare Intl
$546

Delta flights from Chicago to Billund

Our best Delta deals on Chicago to Billund flight tickets
Delta
Jun 4
MDW5:59 pmChicago Midway
16h 56m
2 stops
BLL5:55 pmBillund
Jun 17
BLL6:00 amBillund
19h 05m
2 stops
MDW6:05 pmChicago Midway
$1,098
Delta
Mar 13
MDW6:34 pmChicago Midway
13h 11m
2 stops
BLL1:45 pmBillund
Mar 20
BLL6:00 amBillund
18h 40m
2 stops
MDW6:40 pmChicago Midway
$1,687

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Billund 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 January 29, 2026.
Use the filters below to find and compare flights from Chicago to Billund that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 2/15

3:20 pm-10:00 am

1 stop11h 40m

Billund

Thu 2/19

6:30 am-3:20 pm

1 stop15h 50m

$543

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 2/15

4:05 pm-10:00 am

1 stop10h 55m

Billund

Thu 2/19

6:30 am-1:25 pm

1 stop13h 55m

$545

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 2/15

3:20 pm-10:00 am

1 stop11h 40m

Billund

Thu 2/19

6:30 am-2:55 pm

2 stops15h 25m

$546

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 2/15

4:05 pm-10:00 am

1 stop10h 55m

Billund

Thu 2/19

6:30 am-8:10 pm

2 stops20h 40m

$548

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 2/15

1:02 pm-10:00 am

2 stops13h 58m

Billund

Thu 2/19

6:30 am-3:20 pm

1 stop15h 50m

$549

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 2/15

1:02 pm-10:00 am

2 stops13h 58m

Billund

Thu 2/19

6:30 am-2:55 pm

2 stops15h 25m

$551

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 2/15

1:02 pm-10:00 am

2 stops13h 58m

Billund

Thu 2/19

6:30 am-2:55 pm

2 stops15h 25m

$553

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 2/15

1:02 pm-10:00 am

2 stops13h 58m

Billund

Thu 2/19

2:00 pm-11:43 pm

2 stops16h 43m

$559

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Thu 6/4

5:59 pm-5:55 pm

2 stops16h 56m

Billund

Wed 6/17

6:00 am-6:05 pm

2 stops19h 05m

$1,098

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Fri 3/13

6:34 pm-1:45 pm

2 stops13h 11m

Billund

Fri 3/20

6:00 am-6:40 pm

2 stops18h 40m

$1,687

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Billund from

How to get the cheapest flight ticket from Chicago to Billund

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

Which airport is the most popular layover for flights between Chicago and Billund?

Percentage of 1-stop return trips between Chicago and Billund selected by momondo users, with the same layover airport each way, over the last 12 months.

Copenhagen (CPH) was the most common stop: 73% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago to Billund?

Average price of 1-stop round-trip flights from Chicago to Billund, with the same layover airport on both legs, clicked by momondo users over the past 12 months.

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $745.

Which layover airport has the shortest travel time from Chicago to Billund?

Average total travel time for 1-stop one-way flights from Chicago to Billund, grouped by layover airport, based on momondo user clicks from the past 12 months.

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 10h 47m.

Which layover airport has the shortest connection time from Chicago to Billund?

Average connection time for 1-stop one-way flights from Chicago to Billund, grouped by layover airport, based on momondo user clicks over the last 12 months.

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 15m.

When to book flights from Chicago to Billund

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

Cheap Chicago to Billund (CHI to BLL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Billund

Fastest flight time

11h 20m

Direct flights

None
The fastest flight from Chicago to Billund takes 11h 20m
There are no direct flights from Chicago to Billund. There are no popular flight routes from Chicago to Billund.
Search flight deals

  • How far is Chicago to Billund by plane?

    Chicago and Billund are 4131.8 mi apart from one another. By plane, this route typically takes 11h 20m.

  • When did momondo last update prices for flights from Chicago to Billund Airport?

    Prices for flights from Chicago to Billund Airport were last updated today.

  • How many operators does momondo search for flights from Chicago to Billund Airport?

  • How old do you have to be to fly from Chicago to Billund Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Billund Airport.

  • What documentation or ID do you need to fly to Billund Airport?

    The travel and health documents you'll need for your trip to Billund 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 Billund 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 Chicago to Billund?

Best airlines flying from Chicago to Billund

Compare and see reviews for airlines that fly from Chicago to Billund with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $471Free CancellationRating
7.3
1,674 reviews
Search Scandinavian Airlines flights

Traveling to a place near Billund?

Book flights to Billund if you plan to visit one of these locations
Vejle
Ribe
Kolding
Horsens
Middelfart

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Billund?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Billund from Chicago.

Can I find flights from Chicago to Billund with flexible booking policies on momondo?

Flights from Chicago to Billund with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Billund?

momondo helps you find the best flight between Chicago and Billund by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Billund, momondo offers a useful price alert feature which will track prices for flights to Billund from Chicago and alert you when they change.

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