ORD - BLL

$448 Find Cheap Flights from Chicago to Billund

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Billund departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Billund

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Billund, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Billund, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$448
Scandinavian Airlines
Mon 2/23Fri 2/27
ORD - BLL • 2 stops
Cheapest one-way
Multiple Airlines
Wed 11/19
ORD - BLL • multi-stop
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We hope you love your trip to Billund!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chicago to Billund (ORD-BLL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Billund that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Billund

Mon, Feb 23 - Fri, Feb 27
Scandinavian Airlines Logo
10:36 am - 10:35 amORD-BLL
16h 59m2 stops
Scandinavian Airlines Logo
11:05 am - 4:45 pmBLL-ORD
12h 40m1 stop
$448Scandinavian Airlines
Find Deal
Mon, Feb 23 - Fri, Feb 27
Scandinavian Airlines Logo
7:20 pm - 8:45 pmORD-BLL
18h 25m1 stop
Scandinavian Airlines Logo
11:05 am - 4:45 pmBLL-ORD
12h 40m1 stop
$471Scandinavian Airlines
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Wed, Feb 4 - Sun, Feb 8
Scandinavian Airlines Logo
6:59 pm - 10:35 amORD-BLL
32h 36m2 stops
Scandinavian Airlines Logo
9:55 am - 4:55 pmBLL-ORD
14h 00m1 stop
$482Scandinavian Airlines
Find Deal
Wed, Feb 4 - Sun, Feb 8
Scandinavian Airlines Logo
7:20 pm - 11:55 pmORD-BLL
21h 35m1 stop
Scandinavian Airlines Logo
9:15 pm - 4:45 pmBLL-ORD
26h 30m1 stop
$504Scandinavian Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Scandinavian Airlines Logo
7:20 pm - 8:45 pmORD-BLL
18h 25m1 stop
Scandinavian Airlines Logo
11:05 am - 4:45 pmBLL-ORD
12h 40m1 stop
$521Scandinavian Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Scandinavian Airlines Logo
7:05 am - 8:45 pmORD-BLL
30h 40m2 stops
Scandinavian Airlines Logo
11:05 am - 4:45 pmBLL-ORD
12h 40m1 stop
$541Scandinavian Airlines
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Mon, Feb 23 - Fri, Feb 27
Delta Logo
2:03 pm - 2:35 pmORD-BLL
17h 32m2 stops
Delta Logo
6:00 am - 5:45 pmBLL-ORD
18h 45m2 stops
$542Delta
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Wed, Feb 4 - Sun, Feb 8
Air Canada Logo
11:15 am - 1:25 pmORD-BLL
19h 10m2 stops
Air Canada Logo
10:25 am - 12:08 pmBLL-ORD
32h 43m2 stops
$550Air Canada
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Thu, Jan 15 - Mon, Jan 19
United Airlines Logo
1:00 pm - 1:20 pmORD-BLL
17h 20m2 stops
United Airlines Logo
10:40 am - 11:39 pmBLL-ORD
19h 59m2 stops
$555United Airlines
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Mon, Dec 29 - Mon, Jan 12
United Airlines Logo
12:50 pm - 1:20 pmORD-BLL
17h 30m2 stops
United Airlines Logo
6:45 am - 3:20 pmBLL-ORD
15h 35m1 stop
$637United Airlines
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Booking Insights

KAYAK's insights & trends for Chicago to Billund flights

Get data-powered insights and trends into flights from Chicago to Billund to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Chicago to Billund?

The average price of all round-trip flights from Chicago O'Hare Intl Airport to Billund clicked on KAYAK for each day over the last 12 months.

When flying from Chicago to Billund, you should consider leaving on a Tuesday and avoid Mondays if you are looking for the best rates. For your return to Chicago, you’ll find the best rates on Saturdays and the most expensive ones on Wednesdays.

Good to know

Low seasonMarch
Cheapest flight$448
Best time to beat the crowds with an average 31% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Chicago to Billund

When to book flights from Chicago to Billund

Are your dates flexible? Find out the best times to travel from Chicago to Billund based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to Billund flights

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Billund?

    In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Billund was $448 for a round-trip ticket.

  • Do I need a passport to fly between Chicago and Billund?

    Yes

  • Which aircraft models fly most regularly from Chicago to Billund?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Chicago to Billund?

    Star Alliance, and SkyTeam are the airline alliances operating flights between Chicago and Billund, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Chicago to Billund, Scandinavian Airlines or Lufthansa?

    The two airlines most popular with KAYAK users for flights from Chicago to Billund are Scandinavian Airlines and Lufthansa. With an average price for the route of $649 and an overall rating of 7.4, Scandinavian Airlines is the most popular choice. Lufthansa is also a great choice for the route, with an average price of $723 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from Chicago to Billund?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Billund.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Billund?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Billund from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Billund?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Billund with an airline and back to Chicago with another airline. Booking your flights between Chicago and BLL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Billund?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Billund from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Chicago to Billund

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Billund. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Chicago to Billund? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Scandinavian AirlinesOverall score based on 1583 reviews
7.3Comfort
7.6Boarding
6.7Entertainment
6.7Food
8.0Crew
Airline reviews

Over all experience was good. However the connection time was too short at CPG. We missed our connecting flight to AMS as the passport control line was too long and by the time we got our passport control done it was too late I wish there were some SAS staff to help us out at the passport control center Though they put us in a KLM flight from CPG to AMS, That flight was also delayed by over two hours

8.0 ExcellentSomnath, Nov 2025SFO - CPH
Read more Scandinavian Airlines reviews

Over all experience was good. However the connection time was too short at CPG. We missed our connecting flight to AMS as the passport control line was too long and by the time we got our passport control done it was too late I wish there were some SAS staff to help us out at the passport control center Though they put us in a KLM flight from CPG to AMS, That flight was also delayed by over two hours

I paid for my seat 💺 assignments for all for legs of my trip, SFO thru Copenhagen to Prague and back the same way. It cost 💲216.00 USD for all four seats. Despite this, on my return 2 flights, my prepaid seats were given away. When I spoke with the information services professional, she said she could not help me, nor provide an alternative seat equivalent or better than what I had. When I spoke with another representative, she was very rude, disrespectful, and did not help.

first of all, the grand person that I tried to upgrade to Business told me there were no seats available. I don't think she really knew how to use the system at all. They were lying to me then I went and sat at my assigned seat and I asked them again if they had seats in business class one of the hostesses proceeded to tell me now the flight is full. The flight was pretty full, but after we took off, there were at least 10 seats in business that they were not occupied so they lied to me basically and I'm really upset about that.

The flight was cancelled without explanation, and the replacement flight was late

No vegetarian option was provided for the regular meal or the pre-landing snack.

The Scandinavian flight was excellent, however the second flight was partnered with TAP Portugal which was not so good. crowded gate area with no chairs, delayed flight, bad boarding process, no entertainment system onboard, and the baggage didn’t get to the carousel until well over an hour which caused our taxi that was waiting to leave. Love SAS, hate TAP.

1) SAS sent me emails that i could check in but that was just a waste of time because traveling to the us i actually had to check-in at the airport. 2) SAS evidently does not care about vegetarians as it does not offer regular veggie alternatives in the transcontinental flights.

Great logistics and timeliness as we arrived quite early. Flight smooth and fast. Excellent entertainment. Plane itself was a bit tired and the crew mostly indifferent. Baggage took forever but that’s on CPH. Would use SAS again for sure.

SAS has too many other airliners. They don't need to exist.

Only one choice for meal seats had no leg room

Trip was smooth, good drew, average meal, almost cold coffee. Excellent landing. Did not enjoy going down the stairs, walking to the gate, walking up the stairs, going a long walk to the exchange gate, and going down the stairs again to be bussed all the way where we originally landed to take our next flight! Over all an average experience. Thank you.

I booked extra leg room, due to seat neighbor i now consider extra shoulder and arm room as well. Seems like the seats shrink in width now The crew was very friendly and professional ( 100%). Food was good not great, breakfast was bad, a dry slice of bread would have been better. Facilities clean.

Luggage transfer in Chicago was not performed in time. I received my luggage at my destination two days later.

love the crews and my only problem was the delay at Frankfurt was very bad. I have travelled with Lufthansa for over 30 years now and this was cost me some planned business appointment

The flight delay made the connection a bit tight but that's outside the flight crew's control.

We just made it to our connecting flight. A long, long speed walk!

We didn't get the coffee with breakfast in the morning.. 30 mins lazer I asked flight attendant why don't we get coffee now at least.. after the breakfast..she said that captain announced possible turbulences fee minutes ago, which didn't ecplain why we didn't get it with the breakfast..breakfast was very poor btw..just little pastry which you can eat in 4 little bites. Turbulences fortunately didn't even happen.. but we didn't get that more than necessary coffee in the morning after the night flight with very poor sleep.. They just served breakfast 1 hour afzer we took off..at like 11 PM.. that doesn't make sense at all.. Also, flight attendants weren't very nice..they looked like they're not happy with their job.. :/

Lufthansa still has a good level of quality compared to US airlines, especially with respect to (1) food quality - actually tasty, (2) good French red wine - free, (3) good movie selection. Also my ticket price includes 1 free check-in luggage, while some other budget airlines sneak in an extra $150 for a checkin.

I think they overbooked Frankfurt to New York and bumped me off. This changed my return travel I arrived home about 4 hours late. Almost 24 total travel time Totally unacceptable Would not travel with United

We were moved twice on flights to the point we weren’t even on Lufthansa anymore. We had to fly united. Lost paid extra leg room twice. To top it all off we’re forced to pay $375 and $275, respectively for you luggage that was considered sports luggage. We were told it would be Lufthansa fares l, from the united desk, AND WE DIDN'T EVEN HAVE A LUFTHANSA FLIGHT! I’ll be calling once my trip is over on October 7th to all airlines and Kayak. This was ridiculous!

Everything you need to know for your flight from Chicago to Billund

Information on your arrival and departure airports