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Billund

$419+ Cheap flights from Chicago (CHI) to Billund (BLL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BLL
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Find 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 October 22, 2025.

This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:20 pmORD - BLL
1 stop12h 45mScandinavian Airlines
Mon 1/1211:05 amBLL - ORD
1 stop12h 40mScandinavian Airlines
Deal found 10/21$499
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:20 pmORD - BLL
1 stop21h 35mScandinavian Airlines
Tue 12/97:20 pmBLL - ORD
2 stops28h 25mScandinavian Airlines
Deal found 10/20$502
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 11/39:10 pmORD - BLL
2 stops29h 35mUnited Airlines
Thu 11/66:30 amBLL - ORD
1 stop13h 40mUnited Airlines
Deal found 10/20$511
This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:20 pmORD - BLL
1 stop12h 45mScandinavian Airlines
Sat 1/109:55 amBLL - ORD
1 stop13h 50mScandinavian Airlines
Deal found 10/21$529
This United deal was found by Cheapflights users on 10/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:55 amORD - BLL
2 stops21h 25mMultiple Airlines
Tue 12/96:30 amBLL - ORD
2 stops32h 30mMultiple Airlines
Deal found 10/20$541
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 12/2510:35 amORD - BLL
2 stops19h 45mUnited Airlines
Wed 1/146:35 amBLL - ORD
1 stop15h 45mUnited Airlines
Deal found 10/21$542
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 12/2510:35 amORD - BLL
2 stops19h 45mUnited Airlines
Mon 1/126:45 amBLL - ORD
1 stop15h 35mUnited Airlines
Deal found 10/21$544
This Scandinavian Airlines deal was found by Cheapflights users on 10/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:20 pmORD - BLL
1 stop12h 45mScandinavian Airlines
Tue 1/139:15 pmBLL - ORD
1 stop26h 30mScandinavian Airlines
Deal found 10/21$551
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 12/2510:35 amORD - BLL
2 stops19h 45mUnited Airlines
Tue 1/136:30 amBLL - ORD
2 stops24h 09mUnited Airlines
Deal found 10/21$552
This Delta deal was found by Cheapflights users on 10/20. 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.
Fri 11/289:34 amMDW - BLL
2 stops17h 06mDelta
Tue 12/910:25 amBLL - MDW
2 stops20h 22mDelta
Deal found 10/20$567
This Delta deal was found by Cheapflights users on 10/21. 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.
Tue 12/2311:48 amMDW - BLL
2 stops16h 32mDelta
Fri 1/26:00 amBLL - MDW
2 stops17h 24mDelta
Deal found 10/21$1,661

Cheap 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 October 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$499
(FlightHub)

One-way from

$419
(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
One-way flight from Chicago (CHI) to Billund
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($43 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 October 22, 2025.
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

Thu 1/15

7:30 am-10:35 am

2 stops20h 05m

Billund

Mon 1/19

11:05 am-4:45 pm

1 stop12h 40m

$501

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Fri 11/28

7:20 pm-11:55 pm

1 stop21h 35m

Billund

Tue 12/9

7:20 pm-4:45 pm

2 stops28h 25m

$502

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 11/3

9:10 pm-9:45 am

2 stops29h 35m

Billund

Thu 11/6

6:30 am-1:10 pm

1 stop13h 40m

$511

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Thu 1/15

1:00 pm-2:35 pm

2 stops18h 35m

Billund

Mon 1/19

2:10 pm-6:34 pm

2 stops35h 24m

$540

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Fri 11/28

8:55 am-1:20 pm

2 stops21h 25m

Billund

Tue 12/9

6:30 am-8:00 am

2 stops32h 30m

$541

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 12/25

10:35 am-1:20 pm

2 stops19h 45m

Billund

Mon 1/12

6:45 am-3:20 pm

1 stop15h 35m

$544

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Fri 11/28

9:34 am-9:40 am

2 stops17h 06m

Billund

Tue 12/9

10:25 am-11:47 pm

2 stops20h 22m

$567

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Tue 12/23

11:48 am-11:20 am

2 stops16h 32m

Billund

Fri 1/2

6:00 am-4:24 pm

2 stops17h 24m

$1,661

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 12/4

10:35 pm-6:20 pm

1 stop12h 45m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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 >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 AranGrant the most. AranGrant 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.

Reviews of airlines servicing Billund

Get insights into the airlines that provide service to Billund. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Billund. Reviews last updated October 22, 2025.
See what other customers who have flown with KLM and Lufthansa from Chicago to Billund have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,404 reviews

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,404 reviews
KLM
7.7
Good
1,404 reviews

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,509 reviews
KLM
7.7
Good
1,404 reviews

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 2 different airlines.

  • How long is the flight from Chicago to Billund?

    Departing from Chicago to Billund will take you 18h 35m. The distance between Chicago and Billund is about 4141 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Chicago to Billund round-trip?

    Flying on Lufthansa is currently your cheapest option to Billund, with prices starting at $490. Another option worth looking into is Scandinavian Airlines, starting at $524 round trip. Lufthansa is 33% 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

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Top 2 airlines flying from Chicago to Billund

Discover the top 2 airlines 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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$490Average$723FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$524Average$771FlexibilityNo cancel feeOn-time77%

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