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Cheap flights from Chicago to Billund from $740

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 8/10. 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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Find the cheapest flights from Chicago to Billund

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:05 pm - 2:30 pm
ORD
-
BLL
12h 25m
1 stop
British Airways Logo
1:10 pm - 6:45 pm
BLL
-
ORD
12h 35m
1 stop
$740British Airways
Mon, Aug 10 - Tue, Dec 22
Multiple Airlines Logo
5:10 pm - 11:20 am
ORD
-
BLL
11h 10m
1 stop
Multiple Airlines Logo
2:30 pm - 2:30 pm
BLL
-
ORD
31h 00m
1 stop
$746Multiple Airlines
Mon, Aug 10 - Tue, Dec 22
British Airways Logo
5:30 pm - 2:30 pm
ORD
-
BLL
14h 00m
2 stops
British Airways Logo
1:10 pm - 6:45 pm
BLL
-
ORD
12h 35m
1 stop
$755British Airways
Mon, Aug 10 - Tue, Dec 22
KLM Logo
7:25 pm - 3:45 pm
ORD
-
BLL
13h 20m
2 stops
KLM Logo
2:30 pm - 2:30 pm
BLL
-
ORD
31h 00m
1 stop
$756KLM
Mon, Aug 10 - Tue, Dec 22
Delta Logo
1:35 pm - 11:20 am
ORD
-
BLL
14h 45m
2 stops
Delta Logo
10:25 am - 8:24 pm
BLL
-
ORD
16h 59m
2 stops
$761Delta
Mon, Aug 10 - Tue, Dec 22
KLM Logo
7:25 pm - 3:45 pm
ORD
-
BLL
13h 20m
2 stops
KLM Logo
10:25 am - 8:24 pm
BLL
-
ORD
16h 59m
2 stops
$765KLM
Mon, Aug 10 - Tue, Dec 22
Multiple Airlines Logo
5:10 pm - 11:20 am
ORD
-
BLL
11h 10m
1 stop
Multiple Airlines Logo
4:15 pm - 2:30 pm
BLL
-
ORD
29h 15m
1 stop
$872Multiple Airlines
Mon, Jul 20 - Tue, Jul 28
Delta Logo
5:10 pm - 11:20 am
ORD
-
BLL
11h 10m
1 stop
Delta Logo
6:40 am - 6:19 pm
BLL
-
ORD
18h 39m
2 stops
$888Delta
Mon, Jul 20 - Tue, Jul 28
United Airlines Logo
6:30 pm - 5:50 pm
ORD
-
BLL
16h 20m
1 stop
United Airlines Logo
6:00 am - 12:55 pm
BLL
-
ORD
13h 55m
1 stop
$889United Airlines
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
2:50 pm - 10:10 am
ORD
-
BLL
36h 20m
2 stops
United Airlines Logo
6:00 am - 6:52 pm
BLL
-
ORD
19h 52m
2 stops
$890United Airlines
Sat, May 16 - Sat, May 30

British Airways flights from Chicago to Billund

Our best British Airways deals on Chicago to Billund flight tickets
British Airways
Aug 10
ORD7:05 pmChicago O'Hare Intl
12h 25m
1 stop
BLL2:30 pmBillund
Dec 22
BLL1:10 pmBillund
12h 35m
1 stop
ORD6:45 pmChicago O'Hare Intl
$740
British Airways
Aug 10
ORD5:30 pmChicago O'Hare Intl
14h 00m
2 stops
BLL2:30 pmBillund
Dec 22
BLL1:10 pmBillund
12h 35m
1 stop
ORD6:45 pmChicago O'Hare Intl
$755
British Airways
May 19
ORD11:22 amChicago O'Hare Intl
16h 43m
2 stops
BLL11:05 amBillund
May 25
BLL9:30 pmBillund
25h 23m
2 stops
ORD3:53 pmChicago O'Hare Intl
$979

Delta flights from Chicago to Billund

Our best Delta deals on Chicago to Billund flight tickets
Delta
Aug 10
ORD1:35 pmChicago O'Hare Intl
14h 45m
2 stops
BLL11:20 amBillund
Dec 22
BLL10:25 amBillund
16h 59m
2 stops
ORD8:24 pmChicago O'Hare Intl
$761
Delta
May 11
ORD5:10 pmChicago O'Hare Intl
16h 15m
1 stop
BLL4:25 pmBillund
May 26
BLL6:00 amBillund
15h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
$776
Delta
May 11
MDW1:22 pmChicago Midway
13h 13m
2 stops
BLL9:35 amBillund
May 26
BLL6:00 amBillund
18h 56m
2 stops
MDW5:56 pmChicago Midway
$795

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 May 6, 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

Cheapest round-trip
Quickest round-trip

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 8/10

7:05 pm-2:30 pm

1 stop12h 25m

Billund

Tue 12/22

1:10 pm-6:45 pm

1 stop12h 35m

$740

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 8/10

5:10 pm-11:20 am

1 stop11h 10m

Billund

Tue 12/22

2:30 pm-2:30 pm

1 stop31h 00m

$746

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 8/10

5:30 pm-2:30 pm

2 stops14h 00m

Billund

Tue 12/22

1:10 pm-6:45 pm

1 stop12h 35m

$755

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 8/10

7:25 pm-3:45 pm

2 stops13h 20m

Billund

Tue 12/22

2:30 pm-2:30 pm

1 stop31h 00m

$756

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 8/10

1:35 pm-11:20 am

2 stops14h 45m

Billund

Tue 12/22

10:25 am-8:24 pm

2 stops16h 59m

$761

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 8/10

7:25 pm-3:45 pm

2 stops13h 20m

Billund

Tue 12/22

10:25 am-8:24 pm

2 stops16h 59m

$765

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 7/20

5:10 pm-11:20 am

1 stop11h 10m

Billund

Tue 7/28

4:15 pm-2:30 pm

1 stop29h 15m

$872

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 7/20

5:10 pm-11:20 am

1 stop11h 10m

Billund

Tue 7/28

6:40 am-6:19 pm

2 stops18h 39m

$888

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Wed 6/3

6:30 pm-5:50 pm

1 stop16h 20m

Billund

Wed 6/10

6:00 am-12:55 pm

1 stop13h 55m

$889

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sat 5/16

2:50 pm-10:10 am

2 stops36h 20m

Billund

Sat 5/30

6:00 am-6:52 pm

2 stops19h 52m

$890

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: 62% 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 $680.

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 15m.

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 10m

Direct flights

None
The fastest flight from Chicago to Billund takes 11h 10m
There are no direct flights from Chicago to Billund. There are no popular flight routes from Chicago to Billund.
Search flight deals

Frequently asked questions about flying from Chicago to Billund

  • 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 10m.

  • 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.

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
7.4
1,769 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
Kolding
Ribe
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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