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Cheap Flights from Chicago to Denmark

Cheapest round-trip prices found by our users on KAYAK in the last 5 days
Copenhagen
Copenhagennonstop$521
Billund
Billund1 stop$530
Aarhus
Aarhus1 stop$525
Copenhagen
Copenhagennonstop$521
Billund
Billund1 stop$530
Aarhus
Aarhus1 stop$525
Booking Insights

Price, demand and travel trends for Chicago O'Hare Intl Airport to Denmark flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Are flights from Chicago O'Hare Intl Airport to Denmark cheaper or more expensive than last year?

Fares from Chicago O'Hare Intl Airport to Denmark are running about 8% higher than they were around this time last year, averaging $756 round-trip.

What are the cheapest fares from Chicago O'Hare Intl Airport to Denmark right now?

Here are the cheapest round-trip fares from Chicago O'Hare Intl Airport to Denmark on KAYAK in the last week:

• Aalborg (AAL) from $500
• Kastrup Copenhagen (CPH) from $521
• Billund (BLL) from $530

What’s the cheapest month to fly from Chicago O'Hare Intl Airport to Denmark?

February is the cheapest time of year to fly, with average fares of $515. Prices are highest in June, when average flight costs increase to around $990.

When is the best time to book flights from Chicago O'Hare Intl Airport to Denmark?

Book your flights 16 weeks before your trip. KAYAK data collected over the past 12 months shows that booking in this window can save you around 32% compared to booking last-minute (within 2 weeks of departure).

Which airport in Denmark is the cheapest to fly to from Chicago O'Hare Intl Airport?

Based on KAYAK data from the past 12 months, the cheapest airports to fly into Denmark are:

• Kastrup Copenhagen (CPH) from $776
• Aalborg (AAL) from $848
• Billund (BLL) from $999

What’s the cheapest day to fly from Chicago O'Hare Intl Airport to Denmark?

Wednesday tends to be the cheapest day to fly from Chicago O'Hare Intl Airport to Denmark, while Saturday is the most expensive. Fares run about 22% higher that day, based on the past 12 months of KAYAK data.

What's the cheapest time of day to fly from Chicago O'Hare Intl Airport to Denmark?

Data from the past 12 months shows it's cheapest to fly to Denmark during the morning with average prices of $614. The afternoon is the most expensive time to fly, with average prices of $895.

Key details for Chicago O'Hare Intl Airport to Denmark flights

Low season

February

Cheapest flight

$260
Beat the crowds with an average 59% drop in travelers.
The most popular month to fly with an average 64% increase in travelers.
One-way flight from Chicago O'Hare Intl Airport to Copenhagen

Flights from Chicago to Denmark: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Chicago to Denmark 
TiffanyFlew with Scandinavian Airlines-Oct 2026
Very easy redeye flight flying Chicago to Copenhagen. Quick check in quick boarding and easy entry to Denmark. Be aware that Chicago has many security precautions and will take quite a bit of time.
ZacharyFlew with Scandinavian Airlines-Nov 2025
Buy out a row so you have room to sleep.
TFlew with Scandinavian Airlines-Jan 2025
Don’t forget you can pinch and slide the headrest up and down for maximum sleeping comfort.

Your Chicago O'Hare Intl Airport to Denmark flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Chicago O'Hare Intl Airport to Denmark?

    Yes. Fares from Chicago O'Hare Intl Airport to Denmark are low right now. As a rule of thumb, a round-trip under $604 (cheaper than most fares this year) is a good deal, so if you spot one at or below that, it's a good time to book.

  • How much should I budget for a flight from Chicago O'Hare Intl Airport to Denmark?

    Over the past 12 months, round-trip fares from Chicago O'Hare Intl Airport to Denmark have ranged from $604 to $1,048.

  • What are the main airports serving Denmark?

    Denmark has 3 airports. The three busiest are Kastrup Copenhagen (CPH) (98% of arrivals), Billund (BLL) (1%) and Aalborg (AAL) (1%).

  • What airlines fly nonstop from Chicago O'Hare Intl Airport to Denmark?

    Based on the flight schedule for the next 3 months, just one airline regularly flies nonstop from Chicago O'Hare Intl Airport to Denmark: Scandinavian Airlines.

  • Where in Denmark can I fly nonstop from Chicago O'Hare Intl Airport?

    Based on the flight schedule for the next 3 months, you can only fly nonstop from Chicago O'Hare Intl Airport to Copenhagen.

  • Is it cheaper to fly with a layover from Chicago O'Hare Intl Airport to Denmark?

    Yes. Nonstop flights from Chicago O'Hare Intl Airport to Denmark average $871 over the past 12 months, but flights with a layover can cost less. The most affordable connecting airports are:

    • New York John F Kennedy Intl (JFK) from $475
    • Lisbon Humberto Delgado (LIS) from $569
    • Munich Franz Josef Strauss (MUC) from $610

  • How long is a flight from Chicago O'Hare Intl Airport to Denmark?

    Flights from Chicago O'Hare Intl Airport to Denmark take 8h 15m on average.

  • How often are flights from Chicago O'Hare Intl Airport to Denmark delayed and what's the average delay?

    18% of flights on this route are delayed by at least 15 minutes. The average delay is 2h 58m.

  • Which cabin classes are available on flights from Chicago O'Hare Intl Airport to Denmark?

    On flights from Chicago O'Hare Intl Airport to Denmark you can book Economy Class, Premium Economy Class or Business Class.

  • What are some popular landmarks in Denmark?

    KAYAK travelers' favorite landmarks in Denmark include:

    • Tivoli
    • Amager Square
    • Bella Center
    • Legoland Billund

  • What are the earliest and latest flights from Chicago O'Hare Intl Airport to Denmark?

    The earliest nonstop flight from Chicago O'Hare Intl Airport to Denmark departs at 7:10 pm and the latest departs at 8:10 pm. Nonstop flights take about 8h 15m.

Your guide to booking Chicago O'Hare Intl Airport to Denmark flights

Get tips on when to book, when to fly and what to know before your trip.
  • If you can plan ahead, the sweet spot for booking your flight is 16 weeks before your trip. KAYAK data shows fares in this window are around 32% lower than last-minute bookings (made within 2 weeks of departure). Not ready to commit? Set a Price Alert and we'll let you know when prices change.
  • If your travel dates are flexible, book your trip for February when flights are typically cheapest and avoid June when prices are at their highest.
  • Flying on Wednesday is usually the cheapest. Flights on Saturday cost about 22% more on average, so being flexible with your travel dates could help you save.
  • If you're looking to save, Kastrup Copenhagen (CPH) is the cheapest airport to fly into from Chicago O'Hare Intl Airport. If you have onward travel, don't forget to factor in the cost of your journey by train, bus or domestic flight.
  • Start your trip in Copenhagen, which is the most popular destination in Denmark. From there, it's easy to continue on to other popular destinations such as Kastrup, Aarhus and Billund.
  • If you want the shortest trip, choose the Chicago O'Hare Intl Airport to Denmark nonstop route. If you'd rather save money, the route via New York John F Kennedy Intl (JFK) is usually the cheapest.

Reviews of the top 5 airlines serving from Chicago to Denmark

 
Need help choosing which airline to fly with from Chicago to Denmark? 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.
7.8
DeltaOverall score based on 8636 reviews
8.1Boarding
7.8Comfort
7.8Entertainment
8.5Crew
7.2Food
Airline reviews

I'm 6' 2" and even in economy plenty of leg room

10.0 ExcellentMark, Oct 2026
Read more Delta reviews

I'm 6' 2" and even in economy plenty of leg room

Horrible experience. Delta delayed the flight to 11pm which happens. Apparently the pilots were there but we were waiting for flight attendants to arrive from Detroit and they were delayed. They could have made arrangements but that’s fine. What was truly horrible was that at 10:50pm the pilot comes out and says the flight will be cancelled but hasn’t been cancelled yet in the system. It’s being cancelled because the pilots have timed out. As soon as that plane got delayed past 10:50pm delta knew it couldn’t fly. Yet they made us wait around for hours. When the flight finally got cancelled all the area hotels were booked and flights for the next day were unavailable until midday. All I wanted was to spend one day with my family before needing to fly abroad on another delta flight. That will be my last flight with them. I’ll take my 800k miles flown and annual spend to an airline that isn’t so thoughtless.

THI IS THE 3RD CONSECUTIVE FLIGHT FROM ORD TO MSP THAT HAS BEEN DELAYED 2+ HOURS. CRAZY

The plane was a rather tired 737-800, with old style small luggage bins. Poor air flow. USB charger in the infotainment system was not functioning. The flight was 2 hours late due to crew rest requirements (not their fault). On arrival in Seattle, waited on the tarmac for 30 minutes with very few updates from the crew.

Very easy to use and convenient, you can perform any action within the same portal

Okay considering we had weather delays which the Pilot notified us of immediately!

Everything could have benn better. Short fly, no food, no entertainment and no wifi.

Stop changing gates. Stop cancelling flights Stop moving my seat.

The staff was frielndly. The plane was terrible, it was too small and should be decommissioned. There were no back seat screens at all. The only beverages we had a choice from was coffee, tea or water. The only bathroom in the back was behind the flight attendant's jump seat and wasn't working. And I literally felt like I was sitting on top of the guy next to me. It was terribly hot in the plane and we had to sit on the tarmac in Chicago for 1/2 hour due to congestion in Mpls. Wouldn't they have know that before they even boarded us so that we could have sat in comfort in the terminal?

This was one of the worst flights I’ve been on in years. I upgraded to comfort and had such an uncomfortable experience. The person next to me was oversized - which I understand - however, they took up their space and mine. I could only use about 50% of my seat space to not be physically touching this person the entire flight and there was no spatial awareness. I also could not use the seat outlet because their body was obstructing it. It was very inconvenient. Their body kept touching me repeatedly during the flight and I felt very uncomfortable. To pay more for an upgraded space and then not even being able to use it was highly disappointing.

I WAS CANCELLED ! I thought entire flight was canceled but it was still ongoing and I was only canceled as a passenger and one day before my flight with really poor "choice" of next flights that completely ruined my family event. Absolutely disappointed by SAS. Will be avoiding this airline now

The flight was pleasant with landing and take off being very smooth. Toilets were a bit busy at times but crew was very accommodating. Food service was quick and hot. The connecting short flight was full and there was not room for hand luggage.

Flight crew was very kind and polite. They had to deal with an unnamed issue right beside me, and did so with respect.

Good flight. Mass boarding. Seats fairly comfortable. Food okay although may have upset my stomach a bit.

No crying babies the whole flight would be nice. Impossible to sleep. No free snacks , only the main meal

They lost my luggage and can’t find it. My trip is ruined. Online tracking of lost luggage doesn’t work

Seat was lumpier than I’ve ever remembered it to be although comfortable when tilted back. I don’t recall being that hungry after being served food from SAS before. Flight attendant on the second flight to Aalborg seemed to be having a bad day.

On this shorter leg and with an older plane, just mediocre. On the connecting long haul (Chicago to Copenhagen) everything was great.

My outbound flight was incredible... Milan to Chicago. The crew worked so well together. Each passenger felt spoiled and incredibly valued. The crew on this flight was fine. Nothing to complain specifically about but could not give top rating only because of the superior crew, hospitality, warmth we felt on the first flight. Unfortunately. You managed to lose my luggage ..my only piece checked in. Lost in Copenhagen so I had the added stress, time wasted to file the report. To make things worse, Italian rail decided to strike that Sunday so I could not take the train as planned back to Switzerland. Horrible waiting time and poor communication for boarding substitution bus. The substition bus to the town of Stabio did not run on time and was late about 40 minutes.

The flight was cancelled early on and messed up the whole vacation and hard to get a refund from Kayak as they owned the ticket and of course they did not believe that SAS cancelled the ticket. Definite bad side to third party. SAS had rescheduled but overlapped the connecting flights. That did not work. Flight was cancelled long ago but Kayak still has it. Like it was taken? Bad IT ? Or all assumptions and no follow up which is the whole IT world. It needs to wake up and be more efficient. Especially as the world is going, there will be no freedom to do anything. And we will be living like the Middle Ages. Yeah, go read up on that while you still can.

On time. Carry on and personal bag was accommodated on the plane. Entertainment was accessible without bringing own device. Whole can of juice was provided rather than a pour.

Price was crazy watch it if you Chan he your flight

On time, easy boarding. Anytime you sit in an economy seat, it’s uncomfortable. New plane and the bathrooms were in the galley at the back of the plane which seemed odd.

Terrible service - they don’t want to be there and bad food. Entertainment system in economy from the 2000s

No drink service but there was no N/A as an option to choose. Seats were extremely tight. I am under 5.5 and I bumped my knees have no idea how taller people could manage.

Flight delayed, last seat on the plane, no arrival Gate available due to the plane departing late

Kayak booked this flight with only 1h 20min layover in Chicago. This made it impossible for me and several other passengers to reach this flight. Moreover, the gate closed boarding in spite of several passengers still on their way without waiting even one more minute. However, the plane departed with 20min (!) delay, i.e., there would have been at least 15 min time to let the delayed passengers board without causing any delays. I complained and as a "thank you" the attendent booked us on the last (!) flight to Indianapolis ~7h later! Thankfully, I caught the spitefulness and the United customer line rebooked the flight to an earlier flight. Although I can't grade this particular flight since I never had a chance to take it, Kayak made the mistake of a too short layover and the crew at the gate was awful.

Flight did not have wifi service. It was experiencing technical difficulties. Definitely and old plane that needs updating.

This flight has a history of leaving late, however, I was pleasantly surprised that it was not delayed this day. The flight went smooth, except I was in a window seat and the wall and my feet were freezing. I found it difficult to sleep due to being so cold, I also was using 2 provided UAL blankets and could not get my feet warm. This was annoying, but I still made it there on time and safe.

Old 757 with poor entertainment system. United no longer partners with United for free text and email. O'Hara an absolute disaster! Limited gates clauses two hour delay. Unfortunately this appears to be the norm.

Movies were old and third rate. Very poor on a seven hour flight. Food was OK but not business class caliber

We got to the runway and had to go back to terminal to have plane worked on, which is fine, but the 40 minute connecting flight was already gone because of this delay and had to wait 5 hours to get on a different flight and only got a meal voucher which I didn’t see the email until after I had already ordered and paid for food. I feel I should be compensated.

Horrible. My dad was recently hospitalized and diagnosed with lymphoma and Icelandair refused to refund flight even though I had a letter from his physician.

I paid for our seats and when we boarded and went to our seats it was the last row. I would have never paid for my seats knowing I’m sitting in the last row. The airline must have moved our seats and I didn’t realize it when we checked in.

Iceland air transfer was bad. They lost my luggage and I just received it 11/1

Worst airline I’ve ever flown. Delayed 5.5 hrs, missed connecting flight, and missed an entire day of vacation. Zero customer service

Everything sucked. No food, one small glass of water, a tiny coffee, 5.5 hour delay with no customer service. Would never recommend flying them.

Our three ski bags did not arrive and are still not delivered, one full day later. With one ski bag not traceable at all. I would not fly Iceland Air again.

Great crew, bumpy landings, two-hour wait for baggage with no communication or explanation. Will not fly again!

Decent service - nice seats. Crew were not overly attentive but can’t complain overall for the money

I was booked to travel from Dallas to Nairobi via Chicago and Brussels and had been issued boarding passes for all three segments of my journey. At the boarding gate in Dallas, I was required to check my carry-on luggage due to limited cabin space. Despite my attempts to explain that I was traveling internationally and would not have access to the bag during transit, my concerns were not considered. I also informed the staff that I did not have a padlock to secure the luggage, but this was disregarded. Consequently, I had to hastily transfer essential items from my carry-on into my handbag. Unfortunately, the onboard experience on the Chicago to Brussels flight further reinforced my dissatisfaction. The cabin crew appeared disengaged, indifferent, and lacking in attentiveness, resulting in a service experience that fell well below my expectations.

Flight was on time and got us to destination quicker than scheduled.

I have very bad experience with United because Vince two weeks that I did not receive my luggage yet

It was okay. Mothers with rowdy children should be invited to sit in front of them.

Good food, overall very comfy. The flight was full so obviously not optimal, but it is what it is.

Flight was delayed by several hours and then cancelled due to weather. But Staff was very helpful getting me on a different flight. United should offer food coupons and tooth brush and paste for stranded passengers

I had a good comfortable seat. There was nearly an hour delay. There was an accident with the champagne, but I was well compensated. These things happen sometimes.

We missed our flight. There was not enough time built into the layover to get through immigration, customs, bagclaim, bag rechecking, and the long trip to another terminal and gate. Kayak really screwed up. We took the bus up to Wisconsin and then were picked up in Brookfield by private car. It was lucky we didnt miss the last bus out.

I tried both on line and by calling the Customer Service line to arrange for a special meal as i have food intolerances. I was under the impression from your service representative that I was successful. I was not. I cannot eat spicy foods and get very ill if i eat bell peppers. I could not eat either menu choice and no special meal was actually ordered. ( your representative tried to order it for a flight that did not have meal service!!! - found this out later). Your wonderful cabin crew managed to put together a fruit, salad, roll and cheese tray for me so I had something to eat. WHY WOULD YOU SERVE SPICY FOOD, WITH NO MILDER OPTION,ON AN INTERNATIONAL FLIGHT???

I liked Quiet people around me. Crew could have helped people with overhead luggage so they aren't moving other peoples bags around and causing problems for people that had there bags there first

More options for your flight from Chicago to Denmark

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