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Billund

$415+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BLL
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/154:05 pm
ORD
-
BLL
1 stop10h 55m
United Airlines
Thu 2/196:30 am
BLL
-
ORD
1 stop13h 55m
United Airlines
Deal found 2/4$545
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:00 am
ORD
-
BLL
2 stops19h 45m
United Airlines
Tue 3/1710:15 am
BLL
-
ORD
1 stop12h 05m
United Airlines
Deal found 2/3$547
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Sun 2/158:40 pm
ORD
-
BLL
2 stops30h 00m
Air Canada
Thu 2/196:30 am
BLL
-
ORD
2 stops20h 40m
Air Canada
Deal found 2/3$557
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:15 am
ORD
-
BLL
2 stops20h 30m
United Airlines
Sun 4/52:45 pm
BLL
-
ORD
2 stops31h 10m
United Airlines
Deal found 2/3$575
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:22 pm
MDW
-
BLL
2 stops13h 13m
Delta
Sun 5/246:00 am
BLL
-
MDW
2 stops18h 56m
Delta
Deal found 2/2$899
This Delta deal was found by Cheapflights users on 2/3. 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.
Thu 3/1212:47 pm
MDW
-
BLL
2 stops14h 53m
Delta
Tue 3/176:00 am
BLL
-
MDW
2 stops17h 54m
Delta
Deal found 2/3$1,122

Find 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 February 5, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$545
(United Airlines)

One-way from

$415
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$550
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 Chicago (CHI) to Billund
Search Deals
One-way flight from Chicago (CHI) to Billund
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 5, 2026.
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

Sun 2/15

4:05 pm-10:00 am

1 stop10h 55m

Billund

Thu 2/19

6:30 am-1:25 pm

1 stop13h 55m

$545

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 3/12

8:00 am-9:45 am

2 stops19h 45m

Billund

Tue 3/17

10:15 am-4:20 pm

1 stop12h 05m

$547

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 2/15

8:40 pm-9:40 am

2 stops30h 00m

Billund

Thu 2/19

6:30 am-8:10 pm

2 stops20h 40m

$557

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Tue 5/19

1:22 pm-9:35 am

2 stops13h 13m

Billund

Sun 5/24

6:00 am-5:56 pm

2 stops18h 56m

$899

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Thu 3/12

12:47 pm-9:40 am

2 stops14h 53m

Billund

Tue 3/17

6:00 am-5:54 pm

2 stops17h 54m

$1,122

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 3/15

4:20 pm-10:00 am

1 stop11h 40m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Compare providers for flights from Chicago to Billund

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Billund in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Billund flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Billund flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Chicago-Billund flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Billund flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Billund flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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 February 5, 2026.
See what other customers who have flown with KLM 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.
KLM
7.7
Good
1,449 reviews

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,449 reviews
KLM
7.7
Good
1,449 reviews

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 1 airline.

  • How long is the flight from Chicago to Billund?

    Departing from Chicago to Billund will take you 10h 55m. The distance between Chicago and Billund is about 4136 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Chicago to Billund round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Billund, with prices starting at $471. Scandinavian Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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.

See more FAQs

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Top airline flying from Chicago to Billund

Discover the top airline 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$471Average$789FlexibilityNo cancel feeOn-time77%

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