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Billund

$361+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BLL
ago. 6 — ago. 131
mié. 8/6
mié. 8/13
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 agosto 1, 2025.

Round-trip from

$540
(FlightHub)

One-way from

$361
(Lufthansa)

Popular in

June

Cheapest in

November

Average price

$579
From Illinois to Billund
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One-way flight from Illinois to Billund
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Highest demand for flights based on searches. 24% potential increase in price ($239 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 1, 2025.

This FlightHub deal was found by Cheapflights users on 8/1. 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.
mar. 8/199:40 pmORD - BLL
1 stop18h 35mLufthansa
mar. 8/2610:45 amBLL - ORD
1 stop16h 10mLufthansa
Deal found 8/1$540
This Delta deal was found by Cheapflights users on 8/1. 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.
mar. 8/1911:05 amORD - BLL
2 stops17h 00mDelta
mar. 8/266:45 amBLL - ORD
1 stop15h 15mDelta
Deal found 8/1$561
This KLM deal was found by Cheapflights users on 7/30. 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.
lun. 8/115:10 pmORD - BLL
1 stop22h 15mMultiple Airlines
mar. 8/1911:55 amBLL - ORD
1 stop33h 45mMultiple Airlines
Deal found 7/30$568
This Delta deal was found by Cheapflights users on 7/30. 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.
lun. 8/111:08 pmMDW - BLL
2 stops14h 57mDelta
mar. 8/196:00 amBLL - MDW
2 stops19h 37mDelta
Deal found 7/30$572
This KLM deal was found by Cheapflights users on 7/30. 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.
sáb. 9/134:15 pmORD - BLL
1 stop23h 45mKLM
sáb. 9/206:35 pmBLL - ORD
1 stop26h 35mKLM
Deal found 7/30$742

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 agosto 1, 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

mar. 8/19

9:40 pm-11:15 pm

1 stop18h 35m

Billund

mar. 8/26

10:45 am-7:55 pm

1 stop16h 10m

$540

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

jue. 1/15

3:20 pm-9:45 am

1 stop11h 25m

Billund

lun. 1/19

6:45 am-3:20 pm

1 stop15h 35m

$553

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

jue. 1/15

10:35 am-9:45 am

2 stops16h 10m

Billund

lun. 1/19

6:45 am-4:15 pm

2 stops16h 30m

$559

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

mar. 8/19

11:05 am-11:05 am

2 stops17h 00m

Billund

mar. 8/26

6:45 am-3:00 pm

1 stop15h 15m

$561

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

lun. 8/11

5:10 pm-10:25 pm

1 stop22h 15m

Billund

mar. 8/19

11:55 am-2:40 pm

1 stop33h 45m

$568

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

lun. 8/11

1:08 pm-11:05 am

2 stops14h 57m

Billund

mar. 8/19

6:00 am-6:37 pm

2 stops19h 37m

$572

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

sáb. 9/13

4:15 pm-11:00 pm

1 stop23h 45m

Billund

sáb. 9/20

6:35 pm-2:10 pm

1 stop26h 35m

$742

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

jue. 9/11

4:00 pm-2:00 pm

1 stop15h 00m

$361

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

jue. 9/11

10:40 am-2:00 pm

2 stops20h 20m

$381

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

jue. 9/11

10:27 am-9:25 am

3 stops39h 58m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 12 results
1
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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 $1,053). 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 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 agosto 1, 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 agosto 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Illinois to Billund to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

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
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

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!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

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 Canada
7.1
Good
9,851 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

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!
Icelandair
7.0
Good
520 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

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 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 $361 on Lufthansa. Other airlines that offer cheap prices include Air Canada from $381 and Icelandair from $460 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 $1,053). 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

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Alternative routes for Illinois to Billund

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Hobby to Billund flights

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 agosto 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$490Average$723FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$524Average$817FlexibilityNo cancel feeOn-time77%

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