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Billund

$573+ Cheap flights from Illinois 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BLL
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$573
(Air Canada)

Popular in

June

Cheapest in

March

Average price

$804
Provider with most accurate pricing for Chicago (CHI)-Billund flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Billund flights.
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From Illinois to Billund
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Highest demand for flights based on searches. 21% potential increase in price ($203 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/29. 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.
Tue 8/197:15 pmORD - BLL
1 stop12h 50mScandinavian Airlines
Tue 8/269:55 amBLL - ORD
1 stop13h 15mScandinavian Airlines
Deal found 4/29$580
This Air Canada deal was found by Cheapflights users on 4/29. 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 8/198:40 amORD - BLL
2 stops22h 20mAir Canada
Tue 8/266:00 amBLL - ORD
2 stops21h 16mAir Canada
Deal found 4/29$583
This Air France deal was found by Cheapflights users on 4/30. 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 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 15mMultiple Airlines
Tue 8/266:00 amBLL - ORD
1 stop15h 10mMultiple Airlines
Deal found 4/30$590
This Delta deal was found by Cheapflights users on 4/29. 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 stops17h 30mDelta
Tue 8/2610:15 amBLL - ORD
1 stop10h 55mDelta
Deal found 4/29$593
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Mon 5/53:35 pmORD - BLL
1 stop13h 50mLufthansa
Tue 5/276:00 amBLL - ORD
1 stop13h 30mLufthansa
Deal found 4/29$625
This Delta deal was found by Cheapflights users on 4/29. 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 4/3010:20 amMDW - BLL
2 stops16h 15mDelta
Tue 5/66:00 amBLL - MDW
2 stops18h 19mDelta
Deal found 4/29$679
This Gurufare deal was found by Cheapflights users on 4/29. 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 10/188:30 pmORD - BLL
2 stops36h 50mBritish Airways
Sat 10/254:25 pmBLL - ORD
1 stop29h 30mBritish Airways
Deal found 4/29$711
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/174:20 pmORD - BLL
1 stop10h 15mKLM
Tue 6/246:00 amBLL - ORD
1 stop15h 10mKLM
Deal found 4/29$808
This lastminute.com deal was found by Cheapflights users on 4/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/147:21 pmMDW - BLL
2 stops15h 19mMultiple Airlines
Sat 6/216:00 amBLL - MDW
2 stops16h 41mMultiple Airlines
Deal found 4/30$1,023
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/149:40 pmORD - BLL
1 stop29h 05mLOT
Sat 6/2110:25 amBLL - ORD
1 stop16h 15mLOT
Deal found 4/30$1,228
This WestJet deal was found by Cheapflights users on 4/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/145:30 pmORD - BLL
2 stops45h 55mWestJet
Sat 6/216:45 amBLL - ORD
2 stops40h 59mWestJet
Deal found 4/30$2,960

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 May 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

Tue 8/19

7:15 pm-3:05 pm

1 stop12h 50m

Billund

Tue 8/26

9:55 am-4:10 pm

1 stop13h 15m

$580

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 8/19

8:40 am-2:00 pm

2 stops22h 20m

Billund

Tue 8/26

6:00 am-8:16 pm

2 stops21h 16m

$583

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 8/19

5:10 pm-10:25 pm

1 stop22h 15m

Billund

Tue 8/26

6:00 am-2:10 pm

1 stop15h 10m

$590

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 8/19

10:35 am-11:05 am

2 stops17h 30m

Billund

Tue 8/26

10:15 am-2:10 pm

1 stop10h 55m

$593

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sat 10/18

8:30 pm-4:20 pm

2 stops36h 50m

Billund

Sat 10/25

4:25 pm-2:55 pm

1 stop29h 30m

$711

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Tue 6/17

1:47 pm-1:30 pm

2 stops16h 43m

Billund

Tue 6/24

6:00 am-5:40 pm

2 stops18h 40m

$799

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 6/17

4:20 pm-9:35 am

1 stop10h 15m

Billund

Tue 6/24

6:00 am-2:10 pm

1 stop15h 10m

$808

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Sat 6/14

7:21 pm-5:40 pm

2 stops15h 19m

Billund

Sat 6/21

6:00 am-3:41 pm

2 stops16h 41m

$1,023

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 7/27

9:40 pm-10:10 am

2 stops29h 30m

Billund

Sun 8/3

6:00 am-12:55 pm

2 stops13h 55m

$1,050

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sat 6/14

9:40 pm-9:45 am

1 stop29h 05m

Billund

Sat 6/21

10:25 am-7:40 pm

1 stop16h 15m

$1,228

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 14 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 $1,079). 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 May 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 May 1, 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
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $622 on Air Canada. Other airlines that offer cheap prices include Lufthansa from $706 and Delta from $747 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 $1,079). 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 3 airlines flying from Illinois to Billund

Discover the top 3 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$490Average$723FlexibilityNo cancel feeOn-time76%
KLMCheapest$501Average$898FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$524Average$945FlexibilityNo cancel feeOn-time77%

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