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Billund

$339+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BLL
jul 8 — jul 151
ter 7/8
ter 7/15
1 adult, Economy
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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 julho 3, 2025.

Round-trip from

$415
(Flightnetwork)

One-way from

$339
(Finnair)

Popular in

June

Cheapest in

November

Average price

$877
From Chicago (CHI) to Billund
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One-way flight from Chicago (CHI) to Billund
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Highest demand for flights based on searches. 22% potential increase in price ($215 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julho 3, 2025.

This Flightnetwork deal was found by Cheapflights users on 7/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 8/107:25 pmORD - BLL
1 stop19h 10mIcelandair
seg 8/2510:35 pmBLL - ORD
1 stop29h 40mIcelandair
Deal found 7/2$415
This Air France deal was found by Cheapflights users on 7/1. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 8/195:10 pmORD - BLL
1 stop22h 15mAir France
ter 8/266:45 amBLL - ORD
1 stop15h 15mAir France
Deal found 7/1$559
This Delta deal was found by Cheapflights users on 7/1. 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.
ter 8/1911:00 amORD - BLL
2 stops17h 05mDelta
ter 8/266:45 amBLL - ORD
1 stop15h 15mDelta
Deal found 7/1$562
This Booking.com deal was found by Cheapflights users on 7/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 8/107:15 pmORD - BLL
2 stops15h 50mScandinavian Airlines
seg 8/2510:00 amBLL - ORD
1 stop13h 10mScandinavian Airlines
Deal found 7/2$590
This Trip.com deal was found by Cheapflights users on 7/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 8/1610:15 pmORD - BLL
2 stops16h 30mMultiple Airlines
sáb 8/2311:10 amBLL - ORD
2 stops17h 05mMultiple Airlines
Deal found 7/2$607
This lastminute.com deal was found by Cheapflights users on 7/1. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 8/109:25 amMDW - BLL
2 stops18h 40mAir France
seg 8/256:35 pmBLL - MDW
2 stops31h 02mAir France
Deal found 7/1$613
This Delta deal was found by Cheapflights users on 7/1. 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.
dom 8/109:25 amMDW - BLL
2 stops18h 45mDelta
seg 8/2510:15 amBLL - MDW
2 stops15h 22mDelta
Deal found 7/1$656
This Finnair deal was found by Cheapflights users on 7/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 8/169:30 pmORD - BLL
1 stop15h 40mFinnair
sáb 8/237:25 amBLL - ORD
2 stops18h 47mFinnair
Deal found 7/2$659
This FlightHub deal was found by Cheapflights users on 7/1. 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.
dom 7/277:50 pmORD - BLL
1 stop15h 20mTurkish Airlines
dom 8/310:05 amBLL - ORD
1 stop30h 35mTurkish Airlines
Deal found 7/1$685
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 7/253:27 pmORD - BLL
2 stops17h 08mAmerican Airlines
sex 8/85:00 pmBLL - ORD
2 stops23h 09mAmerican Airlines
Deal found 7/2$712
This KLM deal was found by Cheapflights users on 7/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 7/94:40 pmORD - BLL
1 stop18h 00mKLM
seg 8/46:35 pmBLL - ORD
1 stop26h 35mKLM
Deal found 7/1$728
This British Airways deal was found by Cheapflights users on 7/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 7/94:36 pmORD - BLL
2 stops15h 49mBritish Airways
seg 8/45:05 pmBLL - ORD
2 stops23h 08mBritish Airways
Deal found 7/2$826

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 julho 3, 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

dom 8/10

7:25 pm-9:35 pm

1 stop19h 10m

Billund

seg 8/25

10:35 pm-9:15 pm

1 stop29h 40m

$415

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

ter 8/19

5:10 pm-10:25 pm

1 stop22h 15m

Billund

ter 8/26

6:45 am-3:00 pm

1 stop15h 15m

$559

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

ter 8/19

11:00 am-11:05 am

2 stops17h 05m

Billund

ter 8/26

6:45 am-3:00 pm

1 stop15h 15m

$562

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

dom 8/10

7:15 pm-6:05 pm

2 stops15h 50m

Billund

seg 8/25

10:00 am-4:10 pm

1 stop13h 10m

$590

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

sáb 8/16

10:15 pm-9:45 pm

2 stops16h 30m

Billund

sáb 8/23

11:10 am-9:15 pm

2 stops17h 05m

$607

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

dom 8/10

9:25 am-11:05 am

2 stops18h 40m

Billund

seg 8/25

6:35 pm-6:37 pm

2 stops31h 02m

$613

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

dom 8/10

9:25 am-11:10 am

2 stops18h 45m

Billund

seg 8/25

10:15 am-6:37 pm

2 stops15h 22m

$656

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

sáb 8/16

9:30 pm-8:10 pm

1 stop15h 40m

Billund

sáb 8/23

7:25 am-7:12 pm

2 stops18h 47m

$659

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

dom 7/27

7:50 pm-6:10 pm

1 stop15h 20m

Billund

dom 8/3

10:05 am-9:40 am

1 stop30h 35m

$685

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

sex 7/25

3:27 pm-3:35 pm

2 stops17h 08m

Billund

sex 8/8

5:00 pm-9:09 am

2 stops23h 09m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 19 results
1
2

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.

What is the cheapest time of day to fly from CHI to BLL?

Find hourly flight availability from Chicago to Billund. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julho 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago to Billund in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.

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 julho 3, 2025.
See what other customers who have flown with Delta, KLM, and Finnair 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.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,306 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Flying on Icelandair is currently your cheapest option to Billund, with prices starting at $415. Additional round-trip tickets that might be worth considering are offered by Air France and Delta, with the lowest prices starting at $559 and $562, respectively. Icelandair is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chicago to Billund one-way?

    To fly one-way, consider booking your trip with Finnair, which is currently one of the cheapest options available, starting at $339. KLM flights start at $400 while deals on SWISS start at $418 one-way.

  • 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 julho 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$490Average$723FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$524Average$817FlexibilityNo cancel feeOn-time77%

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