$192 Find Cheap Flights from Chicago to Heidelberg - Compare and Save

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 10/1. 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

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Everything you should know

Cheapest round-trip
$699
Typical prices: $744-$1,117
Icelandair
Tue 9/29Sun 10/4
ORD - FRA • 1 stop
Cheapest non-stop
$855
Typical prices: $1,351-$2,096
Lufthansa
Tue 12/1Tue 12/8
ORD - FRA • Non-stop
Arrival airport
You can't fly directly to Heidelberg. It is served by Frankfurt am Main (FRA), located 44.6 miles from Heidelberg.
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Flight Deals
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Flight Deals

Cheap Flights from Chicago to Heidelberg (CHI-FRA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Heidelberg 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 Heidelberg

Tue, Sep 29 - Sun, Oct 4
Icelandair Logo
7:25 pm - 1:00 pm
ORD
-
FRA
10h 35m
1 stop
Icelandair Logo
2:00 pm - 6:15 pm
FRA
-
ORD
11h 15m
1 stop
$699Icelandair
Mon, Aug 31 - Mon, Sep 7
Multiple Airlines Logo
7:25 pm - 1:00 pm
ORD
-
FRA
10h 35m
1 stop
Multiple Airlines Logo
10:40 am - 3:10 pm
FRA
-
ORD
35h 30m
1 stop
$700Multiple Airlines
Mon, Sep 7 - Sun, Oct 4
Icelandair Logo
7:25 pm - 1:00 pm
ORD
-
FRA
10h 35m
1 stop
Icelandair Logo
2:00 pm - 6:15 pm
FRA
-
ORD
11h 15m
1 stop
$701Icelandair
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
9:38 am - 5:45 am
ORD
-
FRA
13h 07m
1 stop
Multiple Airlines Logo
12:30 pm - 7:22 pm
FRA
-
ORD
13h 52m
1 stop
$702Multiple Airlines
Sun, Aug 2 - Fri, Aug 7
Icelandair Logo
7:25 pm - 1:00 pm
ORD
-
FRA
10h 35m
1 stop
Icelandair Logo
7:25 am - 6:15 pm
FRA
-
ORD
17h 50m
1 stop
$704Icelandair
Tue, Dec 15 - Mon, Dec 21
Icelandair Logo
6:30 pm - 12:10 pm
ORD
-
FRA
10h 40m
1 stop
Icelandair Logo
1:05 pm - 5:20 pm
FRA
-
ORD
11h 15m
1 stop
$705Icelandair
Thu, Oct 1 - Sat, Oct 10
Multiple Airlines Logo
7:25 pm - 1:00 pm
ORD
-
FRA
10h 35m
1 stop
Multiple Airlines Logo
8:00 pm - 3:10 pm
FRA
-
ORD
26h 10m
1 stop
$706Multiple Airlines
Fri, Jul 31 - Fri, Aug 7
Icelandair Logo
10:25 pm - 6:25 am
ORD
-
FRA
25h 00m
1 stop
Icelandair Logo
7:25 am - 9:25 pm
FRA
-
ORD
21h 00m
1 stop
$707Icelandair
Sat, Aug 15 - Sat, Aug 29
Icelandair Logo
7:25 pm - 6:25 am
ORD
-
FRA
28h 00m
1 stop
Icelandair Logo
2:00 pm - 6:15 pm
FRA
-
ORD
11h 15m
1 stop
$708Icelandair
Mon, Sep 7 - Sun, Sep 27
Icelandair Logo
7:25 pm - 1:00 pm
ORD
-
FRA
10h 35m
1 stop
Icelandair Logo
2:00 pm - 9:25 pm
FRA
-
ORD
14h 25m
1 stop
$709Icelandair
Useful Info

Good to know

Low season

January

Cheapest flight

$192
Best time to beat the crowds with an average 37% drop in price.
Most popular time to fly with an average 77% increase in price.
Flight from Chicago 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 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?

    13 direct flights run between Chicago and Heidelberg on a daily basis. On average, there are about 91 departures each week.

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

    Consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to Chicago, you’ll find the best rates on Fridays and the most expensive ones on Tuesdays.

  • 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 5 days, the cheapest one-way ticket between Chicago and Heidelberg found on KAYAK was with Icelandair for $274. TAP AIR PORTUGAL offered a round-trip connection from $431 and LOT from $462.

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 55 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 February.

Reviews of the 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 1891 reviews
7.3Comfort
7.7Boarding
6.7Entertainment
6.7Food
8.0Crew
Airline reviews

Excellent service, and came on time! Thank you for your dinner that was chicken with salat/, and 🍰 it was good quality food , the breakfast was very good with good cheese , butter,etc and the tea was very good quality. The space where I was seat was nice so I could stretch my legs. I dit not have the bread as I am in a keto died. Have great time everyone in Scandinavia airline.

10.0 ExcellentClaribel, Jul 2026
EWR - CPH
Read more Scandinavian Airlines reviews

Excellent service, and came on time! Thank you for your dinner that was chicken with salat/, and 🍰 it was good quality food , the breakfast was very good with good cheese , butter,etc and the tea was very good quality. The space where I was seat was nice so I could stretch my legs. I dit not have the bread as I am in a keto died. Have great time everyone in Scandinavia airline.

You cancelled my flight and didn't arrange another. Sent no info except YOUR FLIGHT HAS BEEN CANCELLED. HERES WHAT TO DO NEXT. and the rest of the email was blank???

The first flight was delayed. We missed the second flight, which was rebooked 9 hours later. We missed all our arrangements for the first day of vacation.

They lost my luggage and there is no update, no luggage and no hope that they will find it. It has been 26 hours since we landed

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.

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

It was extremely hot in the cabin the entire flight, vent air was worn

Have not had a flight out or returning to Norfolk that has not required maintenance, and a gate delay. Properly staff the crew so maintenance can be performed without last minute emergencies on each flight and there is enough staff to have gates prepared for inbound flights. Staff to ensure the safety and on time service vs. profit.

We were forced to eat vegetarian food because non veg food ran out. The breakfast was mediocre.

My original flight was cancelled and that affected my trip and my plans and I got no compensation and customer service was hard to reach as well

The kid in the middle seat kicked me almost the whole flight, almost kicked my hot tea off my tray. The flight was delayed due to the first plane not being able to be de-iced in July! We had to get a new plane. Now I drive 3 hours back to Edmonton because direct flights from PVR were way to expensive

The flight was delayed by a hour and I wish they had communicated it sooner. No issues on the plane, it did take a while for food to come.

Agents at gate were not immediately available to solve problems and once they did they didn’t fix all the fight connections

Great until we got to FRA. The next trip leg we were put in Business Class where seats had minimal padding!!!! They were awful and United Airlines needs to have their Lufthansa partner up their game or I won’t fly with them again!!

Good experience and food is and service are good as well

Flight was 10+ hrs late from Ord to fra then was another 2hrs late from fra to male.

OK overall. Flight was delayed Crew on flight was good

Late late late. Delayed and arrived an hour late for a 1 hour 45 minute connection. Every time. Poor record for this company. I try to fly any other carrier first.

I flew economy class. Seats were very good and the crew was excellent

Customer service was excellent! The app was terrible, tried several times to check in without success! But the young lady that checked us in was absolutely terrific and helpful.

Fast and sensible boarding was absolutely amazing. But extortionate wifi and seats that barely moved, making me unable to sleep, didn't do a lot of favors.

Horrible. I had to wait in Dublin for 4 hours for the next connecting flight which took my to London and than i had to wait 3 hours for the flight to Dusseldorf

I appteciate the very courteous staff. The flight was good. Something that wasn't good was that my bag was only checked as far as Dublin and I had a connecting flight to Vienna. (That was a mistake the ORD desk made.) Fortunately the desk at DUB was able to re-tag without me having to re-check in (which initially it seemed I might have to do.)

It was excellent! The plane left Chicago early. Arrived in Dublin early. The crew was excellent! It was a great experience.

Horrible. Garbage airline. Due to the strike we got a replacement plane/crew. I didn't get my exit row seat I paid for. Food was horrible. Plane was hot and didn't have AC vents.

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.

The ticket was reserved in my name but not paid for by underpricer. Alaska airlines was unable to issue my ticket (could not connect the ticket with the PNR) due to an error with underpricer and I spent the better part of 2 hours at the ticket counter trying to rectify.

Damage May baggage and I report the airport agant and they see it

Crew was very friendly. Need lay flat beds! More snacks

Good. Rxception is the Entertainment - movies and TV shows all out of date…

Problems checking in both on the laptop and on the app. No free seating available at check-in as advertised - must pay for EVERY seat between $23 and $75. No way to cancel seat choice. App menus and site menus are not responsive, and some items are impossible to find. Crew and mobile assistance are friendly and helpful.

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

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

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

The plane was delayed by two hours in Chicago which led to us missing the next flight. Lufthansa rebooked the flight and booked us a hotel for the night in Frankfurt. The level of customer service and getting us taken care of was superb. The flight crew and the service on the ground was superb.

The row of seats were so cramped it was difficult to get in and out of your seat. I even upgraded. A long flight and sad accommodations 😵‍💫 the shorter flight was very comfortable and the seating was spacious

I have flown with many airlines. My first time was several years ago. Now I remember why I avoided them for so long. Lufthanza is the only airline who has ever raised a size/weight issue with my modest standard size carry on. I had to repack three times to meet their carry-on weight criteria. (Apparently the rules of physics apply differently on Lufthansa flight than on other airlines.) In the meantime their staff was quite rude, repeating meaningless phrases like "Rules are Rules." And ignoring the additional fact that weight is also weight, whether it is in found in your carry on or in your suitcase. They eventually acknowledged that customer service and satisfaction is, for them, a low priority. Never choosing Lufthansa again.

They are professional. Nice crew. Still flying Boeing 747. Thank you for that. I love this airplane. Traditional.

The seats were extremely uncomfortable. I spent €25 on internet and never gained access to it. A flight attendant told me she would file a complaint/report on my behalf but it put me in a very difficult situation.

Boarding was easy and well organized, Breakfast was not very good.

Seats much smaller/less leg room than united from Phx. Biarding was very poor and unroganized.

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

Complete your trip to Heidelberg with a hotel stay or car rental