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Find cheap flights from Chicago to Heidelberg from $318

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Heidelberg departing on 7/10. 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
0 bags
Fri 6/7
Fri 6/14

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Good to know

Low season

January

High season

September

Cheapest flight

$318
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Chicago O'Hare Airport to Frankfurt Airport

When to book flights from Chicago to Heidelberg

Are your dates flexible? Find out the best times to travel from Chicago to Heidelberg based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

FAQs for booking flights from Chicago to Heidelberg

  • Which airports will I be using when flying from Chicago to Heidelberg?

    When flying out of Chicago you’ll be using one of these airports: Chicago Midway or Chicago O'Hare Intl. Heidelberg does not have its own airport so you’ll be flying into nearby Frankfurt am Main airport, which is 44.6 mi away.

  • How long does a flight from Chicago to Heidelberg take?

    Direct flights cover the 4,322 miles separating Chicago and Heidelberg in about 8h 20m.

  • How many flights are there between Chicago and Heidelberg?

    12 direct flights run between Chicago and Heidelberg on a daily basis. On average, there are about 88 departures each week.

  • What’s the cheapest day of the week to fly between Chicago and Heidelberg?

    Consider leaving on a Thursday and avoid Wednesdays 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.

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

    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 Heidelberg.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Heidelberg 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 Heidelberg?

    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 Heidelberg with an airline and back to Chicago with another airline.

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

    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 Heidelberg from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from Chicago to Heidelberg?

    In the last 72 hours, the cheapest one-way ticket between Chicago and Heidelberg found on KAYAK was with Singapore Airlines for $479. Aer Lingus offered a round-trip connection from $827 and ITA Airways from $879.

See more FAQs

Top tips for finding cheap flights from Chicago to Heidelberg

  • There is no airport in Heidelberg. Instead, you’ll be flying into Frankfurt Airport when flying between Chicago and Heidelberg.
  • The cheapest flight from Chicago to Heidelberg was found 44 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be May, June and July. The cheapest month to fly is January.
See more tips

Top 5 airlines serving Chicago to Heidelberg

 
Need help choosing which airline to fly with from Chicago to Heidelberg? 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 1430 reviews
8.1Crew
6.8Food
7.7Boarding
6.7Entertainment
7.3Comfort
Airline reviews

TERRIBLE! Staff was unfriendly, rude, and demeaning. One flight attendant touched me to grab the complimentary blanket off my neck because I couldn't take it home, while a bunch of other people took theirs home. I have never been so ill treated. I am not happy at all. And flight was delayed, no information until short notice for everything. Lost an entire day at my destination. I expect a full refund for that experience. Never will fly with them EVER again

2.0 MediocreAnonymous, Apr 2024BOS - CPH
Read more about Scandinavian Airlines reviews

TERRIBLE! Staff was unfriendly, rude, and demeaning. One flight attendant touched me to grab the complimentary blanket off my neck because I couldn't take it home, while a bunch of other people took theirs home. I have never been so ill treated. I am not happy at all. And flight was delayed, no information until short notice for everything. Lost an entire day at my destination. I expect a full refund for that experience. Never will fly with them EVER again

My return flight has been changed to JFK from EWR without any notice or reason

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!

Flight was delayed 3 hours. Pilot cancelled flight under 4 people volunteered to change their seats to economy from business class.

My seat was not the one I paid for, the crew was very curt, and the cabin was extremely warm.

Old plane with terrible business class seats - good food and service. Boarding was a joke with business class boarding last.

Best airline to travel on a budget- really like their reasonably priced access to the SAS lounges where available.

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.

A Lufthansa flight operated by SAS with a jettime plane. Fight was nice, no food but free tea and coffee.

Not worth paying for business class on this airline. The seating is exactly the same as the rest of the plane. Crowded. Horrible food.

Great! The plane was decently sized and comfortable. The staff was nice and there was great in flight entertainment

Last minute gate change nearly caused us to miss our flight. Change was not announced or displayed in the main board at the old gate. Terrible communication. When we landed we had to wait 20 minutes because there was another plane at the assigned gate. Not the crew’s fault, but adding 20 minutes to a 45 minute flight sucked.

Nothing beats ANA customer service on my opinion. Maybe because of their Japanese culture (and food). Arigatō

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

Flight delayed for 2 hours due to a part. The plane sat waiting for boarding for a long time and during final preflight inspection the issue was found. Why not do the preflight inspection sooner if you know the plane is being used?

The flight experience was very good! Especially the United Club!

I was not able to buy food in the flight. They refer to include your Credit card in the APP, and if you are not from USA (i have a credit card form Canada) it is not possible

Aircraft has better leg room than any of United's larger planes. We had requested mobility assistance for this and related flights. United's response to all was superb.

The flight from Ottawa to Chicago took a lot longer due to DC in Ottawa. We got to Chicago and went to our gate to catch our flight. We only had nine minutes I found that very stressful.

Good boarding. Crew started quick with drinks and food. They came around several times for trash which I really liked. Other than turbulence due to storms in the area, flight was great.

The flight was half full and I presume that the next few days are even less busy not sure why they are still charging a premium to change a flight.

Are Longus was fine. I booked thru Kayak and was unable to get my business class seat early. Sat next to galley. Crew forgot to wake me for breakfast.

I loved how they arrange boarding (starting with people seated in back and moving to the front). Flight crew was very polite and welcoming. Seating was ok, I felt like there was enough leg space however it is noticeable when the passenger in front of you sets their seat back.

Nice to be on a flight that wasn't fully booked so there were only two of us in the three seat row.

The only problem was there are games on the entertaiment system. The guy behind me played poker the entire time and poking the back of my seat. I hope they remove these.

Great travel. Wonderful experience. Hope to do it again in the near future. God willing

Aer Lingus doesn't have plug ins for devices at each seat. They also did not give me a dairy free meal as requested and confirmed by staff. It was as if I had not requested anything. Otherwise, they were great!

The transatlantic flight was wonderful. The regional reminded me of jet blue. Crazy and packed. Not enough overhead space and tough on elderly.

All OK. Food, best bring your own. Even a BigMac will be better.

Always find Aer Lingus reliable and good value for money. Food on this flight was pretty basic and the headphone Jack at my seat only worked for one ear. Little disappointed in movie selection, limited on recent releases. Staff are okay - but I always buy a cheap ticket so not like I expect first class opulence anyway!!!

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

Very nice flight, easy connections in Keflavík, and friendly crew.

I will never fly this airline again. Checking in was poor , we had to go back to the check in counter at Raleigh - Durham international airport three times because they didn’t issue my boarding pass but rather duplicated my husband’s twice which caused a big headache at the passport control at the airport which triggered security alert and wouldn’t let us pass through we we had to wait for long time to be able to explain and clear everything after talking to the supervisor.. No food on the plane , not even crackers. No food was offered to buy ether . No ear phone was provided . Very little time to make from one plane to another and nobody to assist with smooth transition. Flight itself , we felt safe so thank you to the pilots . But customer service was terrible . We spent $ 2500 on 2 tickets, so I cannot say that service was consistent with the price .

Seats are way too much now with these new airplanes especially long flights like we had. I was 7 month pregnant and in a lot of discomfort due to small seats.

Food was horrible. This wasn’t business class. No leg space, can’t sleep in row position, huge delay

I liked how easy my transfers between flights in Keflavik were. I would have appreciated more food options in Keflavik.

The plane was flaming hot! Could not breathe. Everyone coughing from heat. Awful.

My biggest problem was the flight from KEF to DUB was delayed, which caused me to miss my connecting flight in DUB and we were forced into an unplanned 10-hour layover in DUB. Crew and boarding staff were all very friendly but this was a real inconvenience and especially uncomfortable for my disabled wife.

Not much! This was my first flight with Iceland air and unfortunately it wasn’t what I have expected. My luggage is lost nothing as of yet where it was left. Not a good service at all!!

The seat size was more like a domestic than an international flight. In fact, i would compare the ammenities, quality and service to a short hall ryan air flight, which was unexpected for an international flight. The plane was extremely hot so sleeping was difficult. My biggest complaint was that they are very strict on carry on luggage only allowing it to weigh 10kg/22lb. I try to limit myself to a carryon so i don't have to mess with bagage claim, but the wieght restriction made it impossible. I have never had a carry on weight restriction (at least enforced) on an international flight. Will not be including them in future searches.

Bordón could be bettet if the company say before boarding the order of the different groups.

Checked in is easy and it was a smooth flight from LAX to Munich

There is no recline on flight from DFW to FRA. Middle eastern airways provide better recline option for the same class. FRA to Bangalore has better recline option. I bid 100$ for premium economy, my request was declined. But staff handled it without issues.

The Lufthansa part was wonderful. The short connection flight was not.

German crew were very kind. Food was okay but can be better, especially bread was not good, Garbage collection was very poor.

Awful Terrible staff poor communication Flight delayed for an hour with no apology or explanation and no help re missing connecting flight. Resulted in a 7 hour layover at Munich waiting for another connecting flight. Only 15 euros refreshment voucher given. Will not fly Lufthansa again

Both flights were late for what appeared to be the airline’s not having the planes ready. Arrived over 6 hours late.

It was a busy flight and all the crew were very helpful and gracious

Seats were not the most comfortable and food options weren’t great but overall but everything else was excellent

Check-in very easy and smooth. Plane and crew were nice. Seat open next to me created more space. Food was fair but plentiful. Lots of movies and I was able to sleep some on the way to Munich. Very tight connection, about an hour. Fast through passport control and a bit of a walk to last G terminal gate but I made my connection to Palma. Unfortunately, my luggage did not make it. It is now almost 24 hours since I anded and still NO luggage. I know it landed last night on another flight. Local delivery should be today to my hotel in Palma but nothing yet. I asked about the tight connection when I checked in and was assured they would get my luggage to the connecting flight. Very disappointing it missed my flight but more disappointing that it has taken so long to arrive. Failure on the airlines and service to get my luggage to date.

Book cheap flights from Chicago to Heidelberg

Recent round-trip flight deals

6/6Thu
2 stops
32h 50mORD-FRA
6/13Thu
2 stops
25h 24mFRA-ORD
$779
6/6Thu
2 stops
32h 50mORD-FRA
6/13Thu
3 stops
35h 12mFRA-ORD
$793
6/6Thu
2 stops
32h 50mORD-FRA
6/13Thu
2 stops
25h 24mFRA-ORD
$796
6/5Wed
2 stops
37h 18mORD-FRA
6/12Wed
1 stop
17h 07mFRA-ORD
$802
8/5Mon
1 stopAer Lingus
11h 30mORD-FRA
8/19Mon
1 stopAer Lingus
24h 20mFRA-ORD
$827
7/12Fri
1 stopAer Lingus
11h 30mORD-FRA
7/19Fri
1 stopAer Lingus
15h 10mFRA-ORD
$898
8/6Tue
nonstopUnited Airlines
8h 20mORD-FRA
8/20Tue
nonstopUnited Airlines
9h 15mFRA-ORD
$914
5/13Mon
1 stopScandinavian Airlines
12h 00mORD-FRA
5/22Wed
1 stopScandinavian Airlines
33h 30mFRA-ORD
$958
8/5Mon
nonstopUnited Airlines
8h 20mORD-FRA
8/19Mon
nonstopUnited Airlines
9h 15mFRA-ORD
$963
7/31Wed
nonstopLufthansa
8h 20mORD-FRA
8/18Sun
1 stopLufthansa
22h 15mFRA-ORD
$997

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Recent one-way flight deals

7/10Wed
2 stops
18h 47mORD-FRA
$318
7/21Sun
2 stops
55h 27mMDW-FRA
$327
7/9Tue
3 stops
49h 57mMDW-FRA
$341
6/19Wed
3 stops
53h 30mORD-FRA
$345
8/5Mon
1 stopIcelandair
31h 45mORD-FRA
$502
7/10Wed
1 stopIcelandair
31h 45mORD-FRA
$507
7/7Sun
1 stopTAP AIR PORTUGAL
21h 20mORD-FRA
$531
7/8Mon
1 stopTAP AIR PORTUGAL
17h 50mORD-FRA
$537
5/13Mon
1 stopScandinavian Airlines
17h 00mORD-FRA
$544
7/28Sun
nonstopLufthansa
8h 35mORD-FRA
$737

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Last minute flights from Chicago to Heidelberg

Last minute flight, train and bus deals

5/10Fri
multi-stopUnited Airlines
33h 15mORD-FRA
5/12Sun
multi-stopUnited Airlines
32h 30mFRA-ORD
$841
5/9Thu
multi-stopScandinavian Airlines
17h 00mORD-FRA
5/21Tue
multi-stopScandinavian Airlines
33h 30mFRA-ORD
$923
5/13Mon
multi-stopScandinavian Airlines
12h 00mORD-FRA
5/22Wed
multi-stopScandinavian Airlines
33h 30mFRA-ORD
$958
5/11Sat
multi-stop
52h 43mORD-FRA
5/14Tue
multi-stop
25h 15mFRA-ORD
$962
5/12Sun
multi-stopTAP AIR PORTUGAL
28h 35mORD-FRA
5/15Wed
multi-stopTAP AIR PORTUGAL
17h 05mFRA-ORD
$1,123
5/12Sun
multi-stopTAP AIR PORTUGAL
42h 55mORD-FRA
5/15Wed
multi-stopTAP AIR PORTUGAL
17h 05mFRA-ORD
$1,132
5/13Mon
multi-stopLufthansa
12h 20mORD-FRA
5/21Tue
nonstopLufthansa
9h 05mFRA-ORD
$1,253
5/10Fri
multi-stopUnited Airlines
31h 15mORD-FRA
5/12Sun
nonstopUnited Airlines
9h 05mFRA-ORD
$1,264
5/9Thu
multi-stopLufthansa
10h 45mORD-FRA
5/22Wed
nonstopLufthansa
9h 05mFRA-ORD
$1,282
5/13Mon
multi-stopIcelandair
24h 25mORD-FRA
7/12Fri
multi-stopIcelandair
21h 44mFRA-ORD
$1,486

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