How long is the flight from Illinois to Billund?

A quick flight from Illinois to Billund can take about 13h 21m. Scandinavian Airlines provides one of the quickest options available for as low as $538. The distance between Illinois and Billund is about 4141 mi. This flight may include one or multiple stops.

What are the most popular airlines that fly from Illinois to Billund?

When booking a flight from Illinois to Billund, you may want to consider flying on Scandinavian Airlines, Lufthansa or KLM as they are the most popular for this route.

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

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.

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.

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.

$389+ Flights from Illinois to Billund

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Cheap 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 December 18, 2025.

Wed 12/1710:35 amORD - BLL

2 stops19h 50mUnited Airlines

Tue 12/236:30 amBLL - ORD

2 stops24h 14mUnited Airlines

Deal found 12/16

$951

Wed 12/1710:35 pmORD - BLL

1 stop17h 35mLufthansa

Tue 12/232:15 pmBLL - ORD

1 stop29h 55mLufthansa

Deal found 12/16

$1,700

Best flights from Illinois to Billund
Discover carefully curated flight deals from Illinois to Billund that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Wed 2/257:20 pmORD - BLL

1 stop18h 25mScandinavian Airlines

Sun 3/19:55 amBLL - ORD

1 stop13h 50mScandinavian Airlines

Deal found 12/16

$472

Tue 3/176:20 pmORD - BLL

1 stop14h 15mDelta

Tue 3/312:20 pmBLL - ORD

1 stop31h 10mDelta

Deal found 12/17

$523

Tue 1/133:27 pmORD - BLL

2 stops37h 43mBritish Airways

Tue 1/201:10 pmBLL - ORD

2 stops37h 39mBritish Airways

Deal found 12/16

$526

Tue 1/136:14 pmMDW - BLL

2 stops13h 21mAir France

Tue 1/2010:25 amBLL - MDW

2 stops14h 30mAir France

Deal found 12/16

$538

Wed 2/251:02 pmORD - BLL

2 stops17h 23mUnited Airlines

Sun 3/12:05 pmBLL - ORD

1 stop13h 00mUnited Airlines

Deal found 12/14

$545

Wed 3/1810:45 pmORD - BLL

1 stop31h 20mBritish Airways

Tue 3/3110:40 amBLL - ORD

1 stop34h 10mBritish Airways

Deal found 12/17

$527

Sat 3/217:20 pmMDW - BLL

2 stops37h 15mDelta

Mon 3/302:20 pmBLL - MDW

2 stops34h 35mDelta

Deal found 12/17

$538

Tue 3/175:38 pmMDW - BLL

2 stops14h 57mDelta

Tue 3/3110:15 amBLL - MDW

2 stops38h 40mDelta

Deal found 12/17

$538

Sat 3/217:20 pmMDW - BLL

2 stops37h 15mDelta

Tue 3/3110:15 amBLL - MDW

2 stops37h 38mDelta

Deal found 12/17

$538

Wed 3/186:30 amMDW - BLL

2 stops26h 05mDelta

Mon 3/302:20 pmBLL - MDW

2 stops49h 26mDelta

Deal found 12/17

$538

Tue 3/171:09 pmMDW - BLL

2 stops19h 26mDelta

Mon 3/3011:45 amBLL - MDW

2 stops53h 10mDelta

Deal found 12/17

$538

Tue 3/176:20 pmORD - BLL

1 stop14h 15mDelta

Mon 3/3012:00 pmBLL - ORD

1 stop34h 00mDelta

Deal found 12/17

$543

Tue 3/175:38 pmMDW - BLL

2 stops14h 57mDelta

Sun 3/2910:15 amBLL - MDW

2 stops38h 40mDelta

Deal found 12/17

$588

Thu 3/199:32 amMDW - BLL

2 stops23h 03mDelta

Mon 3/302:20 pmBLL - MDW

2 stops34h 35mDelta

Deal found 12/17

$592

Thu 3/199:32 amMDW - BLL

2 stops23h 03mDelta

Tue 3/312:20 pmBLL - MDW

2 stops34h 35mDelta

Deal found 12/17

$592

Wed 3/189:32 amMDW - BLL

2 stops18h 08mDelta

Sat 3/282:25 pmBLL - MDW

2 stops33h 30mDelta

Deal found 12/17

$670

Sat 3/216:35 pmMDW - BLL

2 stops34h 45mDelta

Sat 3/282:25 pmBLL - MDW

2 stops33h 30mDelta

Deal found 12/17

$670

Tue 3/171:09 pmMDW - BLL

2 stops14h 31mDelta

Fri 3/276:00 amBLL - MDW

2 stops32h 46mDelta

Deal found 12/17

$704

Last-minute flights from Illinois to Billund
Discover last-minute flight deals from Illinois to Billund. Data last updated December 18, 2025 and is based on user searches.

Wed 12/1710:35 amORD - BLL

2 stops19h 50mUnited Airlines

Tue 12/236:30 amBLL - ORD

2 stops24h 14mUnited Airlines

Deal found 12/16

$951

Wed 12/1710:35 pmORD - BLL

1 stop17h 35mLufthansa

Tue 12/232:15 pmBLL - ORD

1 stop29h 55mLufthansa

Deal found 12/16

$1,700

Tue 1/1311:38 amORD - BLL

2 stops17h 52mBritish Airways

Tue 1/201:10 pmBLL - ORD

1 stop12h 35mBritish Airways

Deal found 12/16

$523

Tue 1/135:20 pmORD - BLL

1 stop14h 15mMultiple Airlines

Tue 1/202:10 pmBLL - ORD

1 stop31h 10mMultiple Airlines

Deal found 12/16

$524

Tue 1/136:14 pmMDW - BLL

2 stops13h 21mAir France

Tue 1/2010:25 amBLL - MDW

2 stops14h 30mAir France

Deal found 12/16

$538

Tue 1/1310:29 amORD - BLL

3 stops17h 06mScandinavian Airlines

Tue 1/2011:05 amBLL - ORD

2 stops18h 24mScandinavian Airlines

Deal found 12/16

$629

One-way flights from Illinois to Billund
Search for one-way flight options from Illinois to Billund. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sat 4/116:15 pmORD - BLL

3 stops30h 40mMultiple Airlines

Deal found 12/17

$389

Sat 4/1110:30 pmORD - BLL

1 stop18h 05mLufthansa

Deal found 12/17

$453

Find flight deals from Illinois to Billund

Most accurate provider	Expedia 2 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$472 (Cheapflightsfares)
One-way from	$389 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$902

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 Illinois to Billund

Search Deals

One-way flight from Illinois to Billund

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($193 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Wed 2/25

7:20 pm-8:45 pm

1 stop18h 25m

Billund

Sun 3/1

9:55 am-4:45 pm

1 stop13h 50m

$472

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 3/17

6:20 pm-2:35 pm

1 stop14h 15m

Billund

Tue 3/31

2:20 pm-2:30 pm

1 stop31h 10m

$523

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 1/13

3:27 pm-12:10 pm

2 stops37h 43m

Billund

Tue 1/20

1:10 pm-7:49 pm

2 stops37h 39m

$526

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Wed 3/18

10:45 pm-12:05 pm

1 stop31h 20m

Billund

Tue 3/31

10:40 am-1:50 pm

1 stop34h 10m

$527

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Tue 1/13

6:14 pm-2:35 pm

2 stops13h 21m

Billund

Tue 1/20

10:25 am-5:55 pm

2 stops14h 30m

$538

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Sat 3/21

7:20 pm-2:35 pm

2 stops37h 15m

Billund

Mon 3/30

2:20 pm-5:55 pm

2 stops34h 35m

$538

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Tue 3/17

5:38 pm-2:35 pm

2 stops14h 57m

Billund

Tue 3/31

10:15 am-5:55 pm

2 stops38h 40m

$538

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Sat 3/21

7:20 pm-2:35 pm

2 stops37h 15m

Billund

Tue 3/31

10:15 am-4:53 pm

2 stops37h 38m

$538

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Wed 3/18

6:30 am-2:35 pm

2 stops26h 05m

Billund

Mon 3/30

2:20 pm-8:46 am

2 stops49h 26m

$538

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Tue 3/17

1:09 pm-2:35 pm

2 stops19h 26m

Billund

Mon 3/30

11:45 am-9:55 am

2 stops53h 10m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 20 results

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

No data available for this route at this time. Please check back soon.

Related info for your journey

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.
How long is the flight from Illinois to Billund?
A quick flight from Illinois to Billund can take about 13h 21m. Scandinavian Airlines provides one of the quickest options available for as low as $538. The distance between Illinois and Billund is about 4141 mi. This flight may include one or multiple stops.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Illinois to Billund

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Top airline flying from Illinois to Billund

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$471	Average$771	FlexibilityNo cancel fee	On-time77%

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$389+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Billund with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Illinois to Billund

Cheapest flights from Illinois to BillundExplore 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 December 18, 2025.

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 December 18, 2025.

Find flight deals from Illinois to Billund

Keep the following information in mind while searching for Illinois to Billund flight deals. Data was last updated December 18, 2025.

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from Illinois to Billund that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Billund

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?

How long is the flight from Illinois to Billund?

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

How can I find direct flights from Illinois to Billund?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Billund

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Top airline flying from Illinois to Billund

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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 December 18, 2025.