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Cheap Flights from Europe to O'Hare Intl

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Europe to O'Hare Intl

Fri, Dec 4 - Fri, Dec 25
Icelandair Logo
11:30 am - 5:20 pmDUB  Dublin-ORD Chicago O'Hare Intl
11h 50m1 stop Reykjavik Keflavik Intl
Icelandair Logo
6:30 pm - 10:15 amORD  Chicago O'Hare Intl-DUB Dublin
9h 45m1 stop Reykjavik Keflavik Intl
$510Icelandair
Thu, Dec 10 - Fri, Dec 25
Icelandair Logo
11:30 am - 5:20 pmDUB  Dublin-ORD Chicago O'Hare Intl
11h 50m1 stop Reykjavik Keflavik Intl
Icelandair Logo
6:30 pm - 10:15 amORD  Chicago O'Hare Intl-DUB Dublin
9h 45m1 stop Reykjavik Keflavik Intl
$510Icelandair
Wed, Nov 25 - Mon, Feb 22
Scandinavian Airlines Logo
8:20 pm - 4:45 pmKRK  Krakow J. Paul II Balice-ORD Chicago O'Hare Intl
27h 25m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:10 pm - 7:40 pmORD  Chicago O'Hare Intl-KRK Krakow J. Paul II Balice
17h 30m1 stop Kastrup Copenhagen
$559Scandinavian Airlines
Mon, Dec 7 - Thu, Apr 15
Scandinavian Airlines Logo
10:15 am - 4:45 pmKRK  Krakow J. Paul II Balice-ORD Chicago O'Hare Intl
13h 30m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 7:30 pmORD  Chicago O'Hare Intl-KRK Krakow J. Paul II Balice
17h 15m1 stop Kastrup Copenhagen
$560Scandinavian Airlines
Sat, Mar 27 - Sun, Mar 28
United Airlines Logo
12:15 pm - 12:55 pmBCN  Barcelona-El Prat-ORD Chicago O'Hare Intl
30h 40m1 stop Toronto Pearson Intl
United Airlines Logo
6:04 pm - 8:20 amORD  Chicago O'Hare Intl-BCN Barcelona-El Prat
31h 16m1 stop Washington, D.C. Dulles Intl
$566United Airlines
Sat, Nov 21 - Fri, Dec 4
TAP AIR PORTUGAL Logo
1:00 pm - 3:30 pmWAW  Warsaw Frederic Chopin-ORD Chicago O'Hare Intl
33h 30m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
8:10 pm - 12:10 pmORD  Chicago O'Hare Intl-WAW Warsaw Frederic Chopin
33h 00m1 stop Lisbon Humberto Delgado
$568TAP AIR PORTUGAL
Mon, May 3 - Mon, May 10
United Airlines Logo
6:40 am - 2:50 pmBCN  Barcelona-El Prat-ORD Chicago O'Hare Intl
15h 10m1 stop Frankfurt am Main
United Airlines Logo
2:20 pm - 2:05 pmORD  Chicago O'Hare Intl-BCN Barcelona-El Prat
16h 45m1 stop Zurich
$569United Airlines
Sat, Nov 21 - Fri, Dec 4
TAP AIR PORTUGAL Logo
1:00 pm - 3:30 pmWAW  Warsaw Frederic Chopin-ORD Chicago O'Hare Intl
33h 30m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
8:10 pm - 12:10 pmORD  Chicago O'Hare Intl-WAW Warsaw Frederic Chopin
33h 00m1 stop Lisbon Humberto Delgado
$572TAP AIR PORTUGAL
Tue, Feb 23 - Wed, Mar 3
Multiple Airlines Logo
10:10 am - 3:20 pmCDG  Paris Charles de Gaulle-ORD Chicago O'Hare Intl
12h 10m1 stop Frankfurt am Main
Multiple Airlines Logo
6:50 pm - 2:10 pmORD  Chicago O'Hare Intl-CDG Paris Charles de Gaulle
12h 20m1 stop Zurich
$648Multiple Airlines
Mon, Mar 1 - Mon, Mar 8
Multiple Airlines Logo
6:20 pm - 5:20 pmLHR  London Heathrow-ORD Chicago O'Hare Intl
29h 00m3 stops Warsaw Frederic Chopin Gdansk Rebiechowo Reykjavik Keflavik Intl
Multiple Airlines Logo
6:30 pm - 7:15 pmORD  Chicago O'Hare Intl-LHR London Heathrow
18h 45m3 stops Reykjavik Keflavik Intl Gdansk Rebiechowo Amsterdam Schiphol
$693Multiple Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$384
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Rome Fiumicino Airport to Chicago O'Hare Airport

Flights from Europe to O'Hare Intl: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Europe to O'Hare Intl 
Verified travelerFlew with Aer Lingus-Sep 2026
Get there early enough to be able to relax and shop a bit
Verified travelerFlew with Austrian Airlines-Sep 2026
Never plan any close connections in O'Hare. I give myself at least 3 hours if I have a connection. Nothing is convenient and if you need to change terminals, and you usually do, it takes forever. In addition, customs takes a long time. I entered the UK more easily than I got back into the country of my birth. Heathrow is not bad unless you need to go from any other terminal to Terminals 4 & 5. That is difficult bc there is no clear signage. Don't be afraid to ask for help. I have found people ready to help, especially if you are a senior.
KayFlew with Scandinavian Airlines-Sep 2026
Pack earplugs and a sleep mask. An N95 mask in case you are sick and coughing a lot to protect passengers around you.
JamesFlew with United Airlines-Aug 2026
Bring a foam pad, your butt will thank you
GinaFlew with ITA Airways-Jul 2026
We had to take a bus to the plane and get on from the tarmack. Just leave enough time to get through that process too.
MichelleFlew with TAP AIR PORTUGAL-Jun 2026
Very strict on weights for hand luggage and sizes. Would fly again and just plan to check a bag
Verified travelerFlew with Lufthansa-Aug 2026
please don’t recline all the way back without notifying and getting approval from person behind you
AndrewFlew with LOT-Jul 2026
The lounge before the passport control is bigger and has more options generally.
mary kayFlew with United Airlines-Jul 2026
Make sure you get to the airport three hours early in Athens the security lines are a nightmare. They are pulling other airlines out of the line ahead of you. They are pulling other passport types out of the lines ahead of you. You will stand there forever, no matter what clearances you have. Avoid Chicago airport at all cost. The place is falling down. They are elevators are out of order a few elevators that they have have lines so long that you will never get through before your flight takes off. People with carts of luggage are trying to get on the elevators with the handicap. It is a total zoo and if the temperature is 95°, the Air Conditioner can only cool to 89°. No you’re going to sweat to death.
Verified travelerFlew with SWISS-Aug 2026
Plan enough time at Zurich. The procedure at the airport, especially boarding is very chaotic. No signs telling passengers to get in line to get your documents checked a second time before you get in line for boarding. Lines were all over the place with approximately 200 people,, others trying to cut through. Airport staff not controlling the situation.
TFlew with Scandinavian Airlines-May 2026
Go through passport control as early as you can. The wait was very long and people nearly missed the flight.
Verified travelerFlew with United Airlines-Feb 2026
Purchase a face mask device that fastens to the headrest that keeps your head supported. You will sleep better and avoid shoulder, neck, and back psin if flying basic economy.
JohannaFlew with Aer Lingus-Feb 2026
Are Ling’s was great, and boards from the back of the plane, which made boarding way less chaotic and much quicker.
KEVINFlew with Lufthansa-Dec 2025
Don't buy business class. It"s a relatively short day time flight. and not worth the extra expense. Stick with premium economy.
Verified travelerFlew with British Airways-Jun 2025
I wish I'd known that there were food and shopping opportunities at the B gate area. This was a lovely, NOT busy place to spend time. I'd have gone directly there if I'd known. Definitely a nice place to wait.
Verified travelerFlew with Turkish Airlines-Mar 2025
"If you're flying from Istanbul to Chicago, here are some tips to keep in mind: 1. *Choose a comfortable airline*: I recommend flying with Turkish Airlines or United Airlines, as they offer a relatively smooth and efficient boarding process. 2. *Be prepared for long flight*: The flight from Istanbul to Chicago can take around 10-11 hours, so make sure to bring entertainment, snacks, and comfortable clothing. 3. *Take advantage of in-flight amenities*: Both Turkish Airlines and United Airlines offer a range of in-flight amenities, including meals, drinks, and entertainment. 4. *Plan for jet lag*: Chicago is 8 hours behind Istanbul, so plan accordingly and try to adjust your sleep schedule before arrival. As for the boarding process, I found Turkish Airlines to be particularly comfortable and efficient. They offer: - *Priority boarding*: For passengers with special needs or priority status. - *Efficient queue management*: Turkish Airlines uses a well-organized queue system to minimize waiting times. - *Friendly staff*: The flight attendants and ground staff are always helpful and welcoming. Overall, with some planning and preparation, you can have a comfortable and enjoyable flight from Istanbul to Chicago!"
ElizabethFlew with Iberia-May 2025
Get to Rome airport a bit early. The lines for passport control can be long if you have a US passport. The signage can be confusing, but once you figure it out it is easy. Staff at Rome airport are very good and the lines were not bad there. Just security and passport control.
Verified travelerFlew with British Airways-Apr 2025
Make sure to allow ample time between connecting flights. I have to hoof it when I realized that TSA required bags to be picked up and rechecked.
Verified travelerFlew with Lufthansa-Mar 2025
Beware the long distances at O’Hare terminal 5. Moving walkway help, but it was 1/2 mile or more from gate to passport control
MichaelFlew with British Airways-Apr 2025
Have a light luggage as much as you can. Boarding gate walk is not a joke.
MaryFlew with United Airlines-Jan 2025
Bring your own food. Chicago airport is extremely large....we walked nearly 4000 steps from landing to customs....very difficult for people over 70 years old.
FarisFlew with Turkish Airlines-Dec 2024
Come very early to the airport because it’s very huge
Verified travelerFlew with Icelandair-Feb 2025
Pack snacks or pay online for your meal. Pack lightly.
Verified travelerFlew with Iberia-Sep 2024
Taking the coach bus to Dublin from Castlebar to departures was affordable and easy.
ConnerFlew with Aer Lingus-Sep 2024
You need almost 2 hours to be sure you will clear US pre clearance
Verified travelerFlew with Iberia-Oct 2024
The AA website states that the cost for luggage is $45 for transatlantic flights. Encourage them to call for the actual cost as I was charged $70EU for each bag.
Verified travelerFlew with British Airways-Jul 2024
Gate 10 is a train wreck because there are multiple gates distinguished by a letter following A10. If possible get there as quickly as possible to find the appropriate gate.
MohamadFlew with Turkish Airlines-Jun 2024
Make sure that you have enough transit time because the airport is huge
Verified travelerFlew with Lufthansa-Aug 2024
Give yourself enough time to go through US Customs in Dublin.
HeatherFlew with Lufthansa-Aug 2024
They are super strict on carry-on size and weight. I have never seen an airline weigh a carry-on before. If you are flying through Germany, make sure to alott yourself extra time to stand in a giant line for a passport check, even though it was already checked when boarding to Germany (not sure what could have changed with it during the flight!). They had given some of our seats away on our connecting flight because we barely made it to the gate in time for departure.
Verified travelerFlew with United Airlines-Apr 2024
We opted for Premium Economy and while more expensive, it’s definitely worth it on a long flight. Quieter, more room, and included a checked bag per passenger. The seats are much more comfortable. The only downside is the restrooms. PE is supposed to use the restrooms at the back of the plane even though there are bathrooms right in front of PE for first class. Stupid, the stewards kept locking those bathrooms and there was always a long line for the restrooms at the back. This was on United. We didn’t have this issue on Lufthansa PE.
EmilyFlew with British Airways-Mar 2024
Bring as few liquids as possible or put them in checked bag. They are very strict at Heathrow about all of them fitting into one small ziplock bag
JdubFlew with Scandinavian Airlines-Apr 2024
Remember to make time for passport control when going back and forth. It's after security. I was a little confused as a first time traveler.
Verified travelerFlew with Lufthansa-Mar 2024
Avoid Frankfurt and O'Hare if you can. Use Amsterdam as your European hub and Minneapolis or Dallas as your hub in middle America.

FAQs for booking Europe to Chicago O'Hare Airport flights

  • How does KAYAK find such low prices on flights from Europe to Chicago O'Hare Airport?

    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 Europe to Chicago O'Hare Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Europe 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 Europe to Chicago O'Hare Airport?

    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 Chicago O'Hare Airport with an airline and back to Europe with another airline.

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

    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 Chicago O'Hare Airport from Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Europe to O'Hare Intl

 
Need help choosing which airline to fly with from Europe to O'Hare Intl? 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.
7.5
LOTOverall score based on 1192 reviews
6.9Entertainment
7.6Boarding
8.2Crew
7.2Food
7.4Comfort
Airline reviews

old plane but clean and comfortable, very nice crew, LOT made excellent improvements in terms of quality of food served in the business class. really fresh , tasty and easily digestible, good choice of soft and hard drinks- good polish wines( white ones reds have way top go)

10.0 ExcellentPiotr, Nov 2026
Read more LOT reviews

old plane but clean and comfortable, very nice crew, LOT made excellent improvements in terms of quality of food served in the business class. really fresh , tasty and easily digestible, good choice of soft and hard drinks- good polish wines( white ones reds have way top go)

I have flown with LOT several times and regret it every time; however, they are the only airline that offers the direct flights I need. Boarding was awful. I was alone with 3 children, including an infant, and we were forced to stand in buses packed like sardines. Then, for such a large flight, there was not even a gangway. I was expected to carry a baby, a carseat, and luggage by myself up the dangerous steps into the plane while the crew RUSHED me. The crew was very curt, cold, and inattentive. No one offered any assistance or sympathy to me alone with kids. There was no ventilation or AC in the plane.

My ONLY complaint with LOT was the lack of WiFi and the food in business class… still, I use them because they have great connections to Chicago and they fly the 787 - which I think is a great wide body jet. Well… now LOT has WiFi (good satellite speeds) and AMAZING food. LOT now is giving Turkish Airlines a big big run for the money. And they consistently have less expensive business class. I am a very happy customer!

The seat was paid for but given for some different person .

Krakow airport is very disorganized. nice seats. friendly crew. long legs had screens. short leg did not

Flight was delayed for a hour from Warsaw, not sure why. When we landed in Chicago, plane was still on the runway for about half a hour. Took a while to get off.

No WiFi and ok comfort in business class. Home safe I guess that’s all that really matters.

I would like to be able to choose the seat before the flight without paying extra money. Family members should not to be separated from each other.

Flight was delayed by a hour could have been better addressed. Flight was fine with great service by the flight attendants

All good. Didn’t get the seats I booked online. Luckily, copassanger cooperated! Mistake- I failed to verify connecting flight seats details at Mumbai. Staff at Mumbai airport to be blamed equally!

Excellent comfort, service, boarding, deplaning. Bad meal (preselected vegetarian) but only vegan was available from a passenger cancellation. Bland and not very filling except for thin passengers.

Some of the rudest flight crew I have encountered in over 40 years of flying. Despite pre-ordering a vegetarian meal, the only options provided included meat, with no other choices or substitutes offered. Additionally, the sound on the entertainment system was not working. With flight delays had only 20 minutes to make it to next boarding gate and after running most of the way made it to flight with 2 minutes to spare Will never fly SAS again and I am looking for partial refund for false advertisement.

Didn't care much for the food but maybe that's just because I'm American and the food was very European. Would have liked a second alcoholic beverage service in a 7-8 hour flight. I was offered two wines to have with dinner though and should have accepted both. I didn't realize they would only offer alcohol once. Lights were never turned off in the cabin for sleeping. Flight was delayed several hours with zero explanation from SAS. However, the flight attendants were fantastic. We were traveling with a friend who needed oxygen and they were very attentive and helped him throughout the flight. That was greatly appreciated. The pillows and blankets are great. Gift bags with toothbrush etc so nice! This was our first time traveling Premium so alot of perks we were used to getting! The flight was smooth and I loved watching the planes location on the seat screen and being able to watch movies etc. overall it was great I would definitely recommend SAS to anyone and hope to fly with you again sometime.

My daughter always gets sick when we order the gluten free meal option. Internet didn’t work as advertised.

The flight was very cold, and the seats were rather uncomfortable. The food has been better on our other SAS experiences. Most significantly, the luggage with most of my wife's personal items and clothes didn't make the flight. Hoping for a quick resolution, but no real opportunity to speak with a Human has us concerned.

It was so hot on the plane. No air jets above the seats

Please see my comments for the flight from Chicago to Copenhagen

We were sitting in SAS plus. Super friendly, service that went above and beyond on a Full Flight too! Meals were deliscious and trays were cleared promptly. Generous drinks offered throughout the flight. Would like to suggest better movies on offer to watch.... In all genres and maybe more cooking shows? There was only 1, Nadia's Everyday Baking... Thank you

This was my first time flying SAS and used them for 4 flights. The crews, flight and communication was outstanding. I flew premium economy and was extremely impressed by their SAS lounges. I will 100% ise SAS again. Everyone was so pleasant!

little entertainment choices. Seat/bed too firm an no sleeping mat

Bussing in a major flight is idiotic. Cabin was too warm. Food was bland and felt old

Horrible service at the baggage claim. Stuck on plane for an hour due to taxing and no gate.

I really would like it if they provided at least some limited free wi-fi.

Excellent food and service on my international flight. Most notable is the food provided by Turkish even for coach passengers is very good.

Food is very turkish. No regard for other natinalities taste and preference. The entertainment can be improved- it was the same menu on 10/8/25 and 10/25/25. The boarding is the worst in the airline industry- I suggest you ask your staff to and watch how other airlines do it.

We couldn’t fly to Chicago on our booked flight. The flight was overbooked.

Took forever to board. They made announcements without the loudspeaker and since the waiting room was full of screaming kids, no one could hear what they were saying. The business class sleeper seats were designed for tall skinny people. When partially reclined there was nowhere to rest my feet because they did not reach the footrest. and when fully reclined there wasn't room at my sides for my arms. Definitely one of the worst sleeper seats I have ever had.

About an hour delay but we made it to Chicago. I feel that the smaller connecting flights are the ones that cause the delays on the bigger planes that fly international.

One of the best flights I have been on in a while.

Here's a sample answer: "Honestly, I was really impressed with Turkish Airlines, but if I had to suggest one area for improvement, it would be: - *More efficient boarding process*: I noticed that boarding took a bit longer than expected, which might be frustrating for passengers with tight connections.

Waited on tarmac to take off for approximately 15-25 minutes. When landing, the taxi to our gate took a similar amount of time. This happened on both of my United flights.

Fine except from Chicago to moline three different gate changes and flight times

When booking, the connection times seem fine. But in reality, my two connections were cut short by the first leg being delayed due to issues at the destination (too much traffic going into SFO, ORD) and it became extremely stressful.

Promised internet. Tried for nine hours to log in, no way. I tried the free option, I tried the paid option, I tried restarting my phone.. several times! Very aggrevating as I was trying to keep up with an emregency medial issue with my dad, but could not because the promised service was not available.

I had bad experience with United airline. No live rep, they only have AI that respond to customers concern

Flight and crew were great. Need more legroom and do not allow seats to recline.

We arrived to Chicago nearly 30 minutes early, which was great, but then was on the ground for over an hour because the gate was not available. The issue I had was the pilot estimation was frustrating. First he said he was informed it would be 20 minutes but he said "it will probably be more like 10 minutes". After 30 minutes he came back on the comm and said it would be another 10 minutes, maybe 20. I understand he was only giving estimates but he also layered in his own gut feel. We were never told why we didn't have a gate even after our scheduled entry.

Just sat on the run way after we arrived early

The Code Share with Air Canada was not very streamlined. I had to check in at airport (not online) on the outbound and return flights

Stored my cloth purse under seat in front off me as instructed. When I retrieved it, half of it was soaked, along with everything inside it. I don’t really know how that could have been prevented because the area did not look wet, but I was not happy about it.

I'm a nervous, autistic adult. The staff were very friendly and answered my questions and came by at regular intervals to check everyone's comfort. They even resolved a fight between two couples in front of me!

roomiest flight in economy I've taken in years. Excellent experience!

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. To my surprise, upon arriving at Chicago Airport, I observed numerous international travelers boarding with cabin bags that were significantly larger than mine. This experience left me extremely disappointed and led me to decide against using United Airlines for future international travel, a sentiment I have also shared with friends and family. 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.

I want to highlight the crew members and their excellent work and professionalism. They work hard to make a long trip the most comfortable as possible, the food and drinks they offer are pretty good. And they are always asking if you need something else. I have had experiences with other airlines where you have to basically beg for a bottle of water. This is not the case. Highly recommended!!!

the blanket was great and pillow helped. really need a toothpick packed with meals

Very comfortable plane. The food was very good (for airplane food). The crew was great

The legroom was lacking and the entertainment system lacked adequate selection of older films. Modern films are generally not very good.

Perfect airline, super friendly, great service, tasty food. Would fly again.

Everything could have been better. What needed to be wrong with United went wrong

It was good. The seats in economy weren’t bad

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