HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Billund

$542+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BLL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Billund with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 15, 2025.

Round-trip from

$542
(British Airways)

Popular in

June

Cheapest in

November

Average price

$744
From Chicago (CHI) to Billund
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($201 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
Average for round-trip flights in September 2025
Search Deals

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 September 15, 2025.

This Gurufare deal was found by Cheapflights users on 9/14. 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.
Sat 10/119:40 pmORD - BLL
1 stop18h 35mLufthansa
Sun 10/2610:25 amBLL - ORD
1 stop11h 55mLufthansa
Deal found 9/14$638
This Gurufare deal was found by Cheapflights users on 9/14. 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.
Fri 10/104:00 pmORD - BLL
1 stop11h 10mLufthansa
Sun 10/2610:25 amBLL - ORD
1 stop11h 55mLufthansa
Deal found 9/14$643
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Sat 10/1112:52 pmORD - BLL
2 stops16h 33mMultiple Airlines
Sun 10/266:30 amBLL - ORD
2 stops19h 30mMultiple Airlines
Deal found 9/15$780
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Fri 10/108:25 pmORD - BLL
2 stops34h 35mAir Canada
Sun 10/266:30 amBLL - ORD
2 stops19h 30mAir Canada
Deal found 9/14$877
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/1010:36 amORD - BLL
3 stops15h 49mScandinavian Airlines
Sun 10/269:15 pmBLL - ORD
2 stops30h 24mScandinavian Airlines
Deal found 9/14$2,151
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/1110:36 amORD - BLL
3 stops15h 49mScandinavian Airlines
Sun 10/269:55 amBLL - ORD
2 stops17h 39mScandinavian Airlines
Deal found 9/14$4,025

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 September 15, 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

9:45 pm-8:00 pm

1 stop15h 15m

Billund

Mon 1/19

1:10 pm-1:50 pm

1 stop31h 40m

$542

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 1/15

3:20 pm-9:45 am

1 stop11h 25m

Billund

Mon 1/19

6:45 am-2:55 pm

2 stops15h 10m

$555

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 1/15

12:50 pm-9:45 am

2 stops13h 55m

Billund

Mon 1/19

6:45 am-2:55 pm

2 stops15h 10m

$555

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 1/15

12:50 pm-1:20 pm

2 stops17h 30m

Billund

Mon 1/19

6:45 am-10:05 pm

2 stops22h 20m

$561

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sat 10/11

9:40 pm-11:15 pm

1 stop18h 35m

Billund

Sun 10/26

10:25 am-4:20 pm

1 stop11h 55m

$638

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Thu 1/15

9:30 am-2:35 pm

2 stops22h 05m

Billund

Mon 1/19

3:15 pm-6:34 pm

2 stops34h 19m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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

What is the cheapest month to book a flight from Chicago to Billund?

Currently, January is the cheapest month in which you can book a flight from Chicago to Billund (average of $564). Flying from Chicago to Billund in June is currently the most expensive (average of $1,053). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Chicago to Billund?

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 September 15, 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
7.8
Good
1,385 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,407 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 13h 55m. 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 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.

  • What is the cheapest month to book a flight from Chicago to Billund?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Billund (average of $564). Flying from Chicago to Billund in June is currently the most expensive (average of $1,053). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$490Average$723FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$524Average$817FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.