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Billund

$435+ Cheap flights from Illinois 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BLL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Illinois to Billund

Keep the following information in mind while searching for Illinois to Billund flight deals. Data was last updated June 12, 2025.

Round-trip from

$539
(Justfly.com)

One-way from

$435
(Flightnetwork)

Popular in

June

Cheapest in

November

Average price

$1,138
From Illinois to Billund
Search Deals
One-way flight from Illinois to Billund
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Illinois to Billund

Cheapest flights from Illinois to Billund
Explore the most affordable flight options available from Illinois to Billund. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:40 pmORD - BLL
1 stop18h 35mMultiple Airlines
Tue 8/266:00 amBLL - ORD
2 stops21h 16mMultiple Airlines
Deal found 6/10$539
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:01 pmORD - BLL
2 stops37h 04mAir Canada
Tue 8/266:00 amBLL - ORD
2 stops21h 16mAir Canada
Deal found 6/10$550
This Air France deal was found by Cheapflights users on 6/11. 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.
Tue 8/195:10 pmORD - BLL
1 stop22h 15mAir France
Tue 8/266:45 amBLL - ORD
1 stop15h 15mAir France
Deal found 6/11$556
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sat 8/167:15 pmORD - BLL
1 stop15h 35mScandinavian Airlines
Mon 8/1810:00 amBLL - ORD
1 stop13h 10mScandinavian Airlines
Deal found 6/11$559
This Delta deal was found by Cheapflights users on 6/12. 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 8/1910:35 amORD - BLL
2 stops15h 50mDelta
Tue 8/266:45 amBLL - ORD
1 stop15h 15mDelta
Deal found 6/12$560
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/243:35 pmORD - BLL
1 stop13h 50mLufthansa
Tue 9/22:55 pmBLL - ORD
1 stop12h 00mLufthansa
Deal found 6/12$567
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Sun 6/2210:15 pmORD - BLL
1 stop16h 20mIcelandair
Mon 7/710:35 pmBLL - ORD
1 stop29h 40mIcelandair
Deal found 6/11$819
This lastminute.com deal was found by Cheapflights users on 6/10. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/221:09 pmMDW - BLL
2 stops14h 56mAir France
Tue 7/296:00 amBLL - MDW
2 stops22h 42mAir France
Deal found 6/10$840
This KLM deal was found by Cheapflights users on 6/11. 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.
Wed 7/94:50 pmORD - BLL
1 stop17h 50mKLM
Mon 8/46:35 pmBLL - ORD
1 stop26h 35mKLM
Deal found 6/11$841
This Finnair deal was found by Cheapflights users on 6/12. 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.
Thu 7/1010:30 pmORD - BLL
2 stops25h 15mFinnair
Mon 7/147:25 amBLL - ORD
2 stops35h 30mFinnair
Deal found 6/12$865
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 6/259:21 amMDW - BLL
2 stops18h 04mDelta
Fri 7/46:45 amBLL - MDW
2 stops22h 00mDelta
Deal found 6/11$951
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/13:00 pmORD - BLL
2 stops17h 35mAmerican Airlines
Thu 8/74:15 pmBLL - ORD
2 stops23h 50mAmerican Airlines
Deal found 6/10$989

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 June 12, 2025.
Use the filters below to find and compare flights from Illinois to Billund that are best for you.

Fly from

Illinois

Fly to

Billund

Route

Depart

Return

Price

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 8/19

9:40 pm-11:15 pm

1 stop18h 35m

Billund

Tue 8/26

6:00 am-8:16 pm

2 stops21h 16m

$539

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 8/19

6:01 pm-2:05 pm

2 stops37h 04m

Billund

Tue 8/26

6:00 am-8:16 pm

2 stops21h 16m

$550

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 8/19

5:10 pm-10:25 pm

1 stop22h 15m

Billund

Tue 8/26

6:45 am-3:00 pm

1 stop15h 15m

$556

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sat 8/16

7:15 pm-5:50 pm

1 stop15h 35m

Billund

Mon 8/18

10:00 am-4:10 pm

1 stop13h 10m

$559

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 8/19

10:35 am-9:25 am

2 stops15h 50m

Billund

Tue 8/26

6:45 am-3:00 pm

1 stop15h 15m

$560

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 8/24

3:35 pm-12:25 pm

1 stop13h 50m

Billund

Tue 9/2

2:55 pm-7:55 pm

1 stop12h 00m

$567

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 6/22

10:15 pm-9:35 pm

1 stop16h 20m

Billund

Mon 7/7

10:35 pm-9:15 pm

1 stop29h 40m

$819

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Tue 7/22

1:09 pm-11:05 am

2 stops14h 56m

Billund

Tue 7/29

6:00 am-9:42 pm

2 stops22h 42m

$840

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Wed 7/9

4:50 pm-5:40 pm

1 stop17h 50m

Billund

Mon 8/4

6:35 pm-2:10 pm

1 stop26h 35m

$841

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 7/10

10:30 pm-6:45 am

2 stops25h 15m

Billund

Mon 7/14

7:25 am-11:55 am

2 stops35h 30m

$865

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 19 results
1
2

Best time to book a flight from Illinois to Billund

Have a flexible travel schedule? Discover the best time to fly to Billund from Illinois 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 Illinois to Billund

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Billund (average of $564). Flying from Illinois to Billund in June is currently the most expensive (average of $1,060). 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 IL to BLL?

Find hourly flight availability from Illinois 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 June 12, 2025.

When flying from Illinois to Billund, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 June 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT from Illinois to Billund by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
LOT
7.6
Good
1,077 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 Illinois 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 Illinois?

    If you book a flight to Billund from Illinois, 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.

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

    One-way options have recently been found by users for as low as $435 on British Airways. Other airlines that offer cheap prices include KLM from $509 and SWISS from $601 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Billund?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Billund (average of $564). Flying from Illinois to Billund in June is currently the most expensive (average of $1,060). 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

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Alternative routes for Illinois to Billund

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Billund

Discover the top 2 airlines that operate flights from Illinois 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$490Average$723FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$524Average$817FlexibilityNo cancel feeOn-time77%

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