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Billund

$544+ Cheap flights from Chicago (CHI) to Billund (BLL)

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BLL
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Chicago to Billund

Cheapest flights from Chicago to Billund
Explore the most affordable flight options available from Chicago to Billund. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/154:05 pm
ORD
-
BLL
1 stop10h 55m
United Airlines
Thu 2/196:30 am
BLL
-
ORD
1 stop13h 55m
United Airlines
Deal found 2/8$544
This Air Canada deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/158:40 pm
ORD
-
BLL
2 stops30h 00m
Air Canada
Thu 2/196:30 am
BLL
-
ORD
2 stops32h 30m
Air Canada
Deal found 2/8$561
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/289:15 pm
ORD
-
BLL
2 stops29h 55m
United Airlines
Sat 4/46:00 am
BLL
-
ORD
1 stop12h 00m
United Airlines
Deal found 2/10$562
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:45 am
ORD
-
BLL
2 stops22h 35m
United Airlines
Sun 4/56:00 am
BLL
-
ORD
2 stops34h 00m
United Airlines
Deal found 2/9$564
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/294:05 pm
ORD
-
BLL
1 stop11h 05m
United Airlines
Sun 4/510:35 am
BLL
-
ORD
1 stop31h 25m
United Airlines
Deal found 2/10$565
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:22 am
MDW
-
BLL
2 stops17h 13m
Delta
Fri 5/226:00 am
BLL
-
MDW
2 stops18h 56m
Delta
Deal found 2/10$983
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:29 pm
MDW
-
BLL
2 stops18h 06m
Delta
Sun 3/156:00 am
BLL
-
MDW
2 stops17h 22m
Delta
Deal found 2/8$1,065
This Gurufare deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/291:10 pm
MDW
-
BLL
2 stops14h 50m
Scandinavian Airlines
Sun 4/510:15 am
BLL
-
MDW
2 stops15h 25m
Scandinavian Airlines
Deal found 2/10$1,099
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:20 pm
MDW
-
BLL
2 stops15h 35m
Delta
Sat 4/410:15 am
BLL
-
MDW
2 stops15h 25m
Delta
Deal found 2/10$1,652

Find flight deals from Chicago to Billund

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Billund (BLL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 12, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$560
(United Airlines)

Popular in

June

Cheapest in

November
Provider with most accurate pricing for Chicago (CHI)-Billund flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Billund flights.
Search Deals
From Chicago (CHI) to Billund
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($173 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($47 potential savings vs. average RT price).
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Chicago to Billund that are best for you.

Fly from

Chicago

Fly to

Billund

Route

Depart

Return

Price

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 3/31

3:00 pm-10:10 am

1 stop12h 10m

Billund

Sun 4/5

6:00 am-9:00 am

2 stops34h 00m

$560

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 3/29

4:05 pm-10:10 am

1 stop11h 05m

Billund

Sun 4/5

6:00 am-9:00 am

2 stops34h 00m

$560

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sat 3/28

9:15 pm-10:10 am

2 stops29h 55m

Billund

Sat 4/4

6:00 am-11:00 am

1 stop12h 00m

$562

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 5/14

9:55 am-10:00 am

2 stops17h 05m

Billund

Fri 5/22

6:00 am-12:55 pm

1 stop13h 55m

$661

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sat 3/28

8:40 pm-10:10 am

2 stops30h 30m

Billund

Sat 4/4

6:00 am-9:50 am

2 stops34h 50m

$743

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 3/31

7:00 am-10:35 am

3 stops20h 35m

Billund

Sun 4/5

10:35 am-9:25 am

2 stops29h 50m

$811

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Fri 3/20

9:15 pm-9:40 am

2 stops30h 25m

Billund

Sat 3/28

10:35 am-3:15 pm

2 stops34h 40m

$838

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Thu 5/14

9:22 am-9:35 am

2 stops17h 13m

Billund

Fri 5/22

6:00 am-5:56 pm

2 stops18h 56m

$983

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Mon 3/2

1:29 pm-2:35 pm

2 stops18h 06m

Billund

Sun 3/15

6:00 am-5:22 pm

2 stops17h 22m

$1,065

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Sun 3/29

1:10 pm-11:00 am

2 stops14h 50m

Billund

Sun 4/5

10:15 am-6:40 pm

2 stops15h 25m

$1,099

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 11 results
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Compare providers for flights from Chicago to Billund

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Billund in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Billund flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Billund flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Chicago-Billund flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Billund flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Billund flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Billund

Have a flexible travel schedule? Discover the best time to fly to Billund from Chicago 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 Chicago to Billund
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Billund. 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 into for flights to Billund from Chicago?

    If you book a flight to Billund from Chicago, you will be flying to 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 Chicago to Billund per day from 1 airline.

  • How long is the flight from Chicago to Billund?

    Departing from Chicago to Billund will take you 12h 10m. The distance between Chicago and Billund is about 4136 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Chicago to Billund round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Billund, with prices starting at $471. Scandinavian Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Chicago to Billund that include hotel bookings?

    Yes. In addition to deals on Chicago to Billund flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Billund?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Billund.

  • Can I find deals for business class flights from Chicago to Billund?

    Yes. Cheapflights offers flight deals from Chicago to Billund by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Chicago to Billund

Discover the top airline that operate flights from Chicago to Billund. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$471Average$789FlexibilityNo cancel feeOn-time77%

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