$372 Cheap Flights from Chicago (ORD) to Billund (BLL)

View $372 flight on Mon, May 4, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Billund (BLL)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Chicago to Billund (ORD-BLL)

Prices were available within the past 7 days and start at $372 for one-way flights and $432 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Fri, Jan 30 - Thu, Feb 5
ORD
Chicago
BLL
Billund
$432 Roundtrip, found 2 days ago
$432
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, Jan 30 from Chicago to Billund, returning Thu, Feb 5, priced at $432 found 2 days ago
Scandinavian Airlines
Fri, Jan 30 - Thu, Feb 5
ORD
Chicago
BLL
Billund
$456 Roundtrip, found 2 days ago
$456
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, Jan 30 from Chicago to Billund, returning Thu, Feb 5, priced at $456 found 2 days ago
Scandinavian Airlines
Fri, Jan 30 - Thu, Feb 5
ORD
Chicago
BLL
Billund
$459 Roundtrip, found 2 days ago
$459
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, Jan 30 from Chicago to Billund, returning Thu, Feb 5, priced at $459 found 2 days ago
Scandinavian Airlines
Fri, Jan 30 - Thu, Feb 5
ORD
Chicago
BLL
Billund
$462 Roundtrip, found 2 days ago
$462
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, Jan 30 from Chicago to Billund, returning Thu, Feb 5, priced at $462 found 2 days ago
British Airways
Tue, Jan 27 - Wed, Feb 18
ORD
Chicago
BLL
Billund
$475 Roundtrip, found 3 days ago
$475
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Jan 27 from Chicago to Billund, returning Wed, Feb 18, priced at $475 found 3 days ago
British Airways
Mon, Jan 12 - Tue, Jan 27
ORD
Chicago
BLL
Billund
$475 Roundtrip, found 1 day ago
$475
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Jan 12 from Chicago to Billund, returning Tue, Jan 27, priced at $475 found 1 day ago
Scandinavian Airlines
Wed, Jan 28 - Sat, Jan 31
ORD
Chicago
BLL
Billund
$476 Roundtrip, found 4 days ago
$476
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Wed, Jan 28 from Chicago to Billund, returning Sat, Jan 31, priced at $476 found 4 days ago
Delta
Tue, Jan 27 - Wed, Feb 18
ORD
Chicago
BLL
Billund
$508 Roundtrip, found 3 days ago
$508
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 27 from Chicago to Billund, returning Wed, Feb 18, priced at $508 found 3 days ago
Lufthansa
Tue, Jan 27 - Wed, Feb 18
ORD
Chicago
BLL
Billund
$533 Roundtrip, found 3 days ago
$533
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Jan 27 from Chicago to Billund, returning Wed, Feb 18, priced at $533 found 3 days ago
United
Tue, Jan 27 - Wed, Feb 18
ORD
Chicago
BLL
Billund
$533 Roundtrip, found 3 days ago
$533
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jan 27 from Chicago to Billund, returning Wed, Feb 18, priced at $533 found 3 days ago

Black Friday Sale

Limited-time deals: Save up to 50% on select hotels.
Book now
Flights from Chicago (ORD) to Billund (BLL)
Origin airport
O'Hare Intl.
Destination airport
Billund
Airlines serving
Air Canada, Air France, British Airways, Delta, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Turkish Airlines, United
Roundtrip price
$431
Distance
4138 mi

Chicago to Billund Flights

The cheapest times to fly from Chicago to Billund

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Billund are during the month of January. You can find some of the cheapest flights from Chicago to Billund with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Billund

Sunday is one of the best days to book for cheap flights from Chicago to Billund: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Billund

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Billund in 2025. You can also book with separate airlines for your outbound and return journeys, from $372 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Billund flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Billund airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Billund Airport (BLL) cost?
Snag a cheap one-way flight from $372 or cheap return flight from $432 from O'Hare Intl. Airport (ORD) to Billund Airport (BLL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Billund Airport (BLL)?
January is the most affordable month to fly from ORD to BLL. Timing your trip outside of the busy season is often the key to finding better fares.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Billund Airport (BLL)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from ORD to BLL. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from O'Hare Intl. Airport (ORD) to Billund Airport (BLL)?
Nonstop flights from O'Hare Intl. Airport (ORD) to Billund Airport (BLL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to BLL?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Billund Airport (BLL)?
To reach Billund Airport (BLL) on time, book a flight that leaves from O'Hare Intl. Airport (ORD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Billund Airport (BLL) last-minute?
Booking your ticket from ORD to BLL shortly before your getaway is generally more expensive. But if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book an ORD to BLL flight and hotel package?
Booking an ORD to BLL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Billund Airport (BLL)?
If you reserved your ORD to BLL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.