Heidelberg

$356+ Cheap flights from Chicago (CHI) to Heidelberg, Germany

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — FRA
May 9 — May 161
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Cheapflights Tip: The best prices from Chicago to Heidelberg are usually found in February or January, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Chicago to Heidelberg

Cheapest flights from Chicago to Heidelberg
Explore the most affordable flight options available from Chicago to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.

This FlightHub deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:10 pm
ORD
-
FRA
1 stop27h 45m
Turkish Airlines
Fri 10/26:50 am
FRA
-
ORD
1 stop33h 50m
Turkish Airlines
Deal found 4/4$688
This FlightHub deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:10 pm
ORD
-
FRA
1 stop27h 35m
Turkish Airlines
Mon 9/143:05 pm
FRA
-
ORD
1 stop25h 35m
Turkish Airlines
Deal found 4/5$690
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:25 am
ORD
-
FRA
1 stop23h 10m
Turkish Airlines
Wed 5/136:50 am
FRA
-
ORD
1 stop33h 50m
Turkish Airlines
Deal found 4/6$695
This Scandinavian Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 pm
ORD
-
FRA
1 stop12h 10m
Scandinavian Airlines
Tue 11/1710:30 am
FRA
-
ORD
1 stop13h 15m
Scandinavian Airlines
Deal found 4/6$696
This FlightHub deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:10 pm
ORD
-
FRA
1 stop27h 35m
Turkish Airlines
Thu 9/37:40 am
FRA
-
ORD
1 stop33h 00m
Turkish Airlines
Deal found 4/7$697
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:20 pm
ORD
-
FRA
1 stop17h 25m
Scandinavian Airlines
Sat 11/1410:55 am
FRA
-
ORD
1 stop12h 50m
Scandinavian Airlines
Deal found 4/6$698
This FlightHub deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:25 am
ORD
-
FRA
1 stop36h 40m
Turkish Airlines
Sun 9/66:50 am
FRA
-
ORD
1 stop33h 50m
Turkish Airlines
Deal found 4/6$699
This FlightHub deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:25 am
ORD
-
FRA
1 stop19h 15m
Turkish Airlines
Sun 5/37:00 pm
FRA
-
ORD
1 stop21h 40m
Turkish Airlines
Deal found 4/5$705
This Gotogate deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:25 am
ORD
-
FRA
1 stop36h 30m
Turkish Airlines
Fri 4/2410:35 am
FRA
-
ORD
1 stop30h 05m
Turkish Airlines
Deal found 4/5$706
This FlightHub deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:25 am
ORD
-
FRA
1 stop26h 50m
Turkish Airlines
Fri 5/87:00 pm
FRA
-
ORD
1 stop21h 40m
Turkish Airlines
Deal found 4/9$708
This FlightHub deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:10 pm
ORD
-
FRA
1 stop18h 05m
Turkish Airlines
Mon 4/2711:25 am
FRA
-
ORD
1 stop29h 15m
Turkish Airlines
Deal found 4/5$709
This KAYAK deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:20 pm
ORD
-
FRA
1 stop29h 10m
Turkish Airlines
Thu 12/37:05 am
FRA
-
ORD
1 stop18h 20m
Turkish Airlines
Deal found 4/4$710

Find flight deals from Chicago to Heidelberg

Keep the following information in mind while searching for Chicago to Heidelberg flight deals. Data was last updated April 9, 2026.

Round-trip from

$688
(FlightHub)

One-way from

$356
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$812
From Chicago (CHI) to Heidelberg
One-way flight from Chicago (CHI) to Heidelberg
Highest demand for flights based on searches. 22% potential increase in price ($251 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Heidelberg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 9, 2026.
Use the filters below to find and compare flights from Chicago to Heidelberg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 5/4

9:48 am-9:50 am

2 stops17h 02m

Frankfurt am Main

Thu 5/14

11:00 am-8:26 pm

2 stops16h 26m

$930

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Wed 5/6

9:27 am-9:50 am

1 stop17h 23m

Frankfurt am Main

Tue 5/12

11:45 am-6:33 pm

2 stops13h 48m

$973

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Sun 5/3

12:52 pm-8:55 am

1 stop13h 03m

Frankfurt am Main

Tue 5/19

11:00 am-6:33 pm

1 stop14h 33m

$994

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 5/3

5:04 pm-2:20 pm

2 stops14h 16m

Frankfurt am Main

Tue 5/19

10:15 am-2:15 pm

1 stop11h 00m

$995

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Thu 5/7

11:09 am-8:55 am

2 stops14h 46m

Frankfurt am Main

Thu 5/14

11:00 am-8:26 pm

2 stops16h 26m

$1,030

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 4/22

7:15 pm-2:35 pm

1 stop12h 20m

Frankfurt am Main

Wed 4/29

7:20 am-4:10 pm

2 stops15h 50m

$1,039

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 5/10

10:24 am-8:40 am

1 stop15h 16m

Frankfurt am Main

Thu 5/21

7:00 am-2:15 pm

1 stop14h 15m

$1,041

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Sun 5/10

1:22 pm-9:50 am

1 stop13h 28m

Frankfurt am Main

Wed 5/20

11:00 am-6:33 pm

1 stop14h 33m

$1,053

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Wed 5/13

10:59 am-8:55 am

1 stop14h 56m

Frankfurt am Main

Thu 5/21

11:00 am-6:33 pm

1 stop14h 33m

$1,053

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Tue 5/19

9:22 am-9:50 am

1 stop17h 28m

Frankfurt am Main

Wed 5/27

7:00 am-4:12 pm

2 stops16h 12m

$1,079

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 40 resultsSorted by cheapest first
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Best time to book a flight from Chicago to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from Chicago to Heidelberg?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Heidelberg. Price data was last updated on April 3, 2026.

The best time to book flights from Chicago to Heidelberg is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago to Heidelberg?

Currently, February is the cheapest month in which you can book a flight from Chicago to Heidelberg (average of $456). Flying from Chicago to Heidelberg in July is currently the most expensive (average of $771). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to HE1?

Find hourly flight availability from Chicago to Heidelberg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 9, 2026.

When flying from Chicago to Heidelberg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Chicago to Heidelberg

Explore weekly flight availability from Chicago to Heidelberg. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 9, 2026.

The most flights from CHI to HE1 are scheduled on a Wednesday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Chicago to Heidelberg?

Reviews of airlines servicing Heidelberg

Get insights into the airlines that provide service to Heidelberg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heidelberg. Reviews last updated April 9, 2026.
Peruse reviews from past customers who have flown with United Airlines,Scandinavian Airlines, andAer Lingus from Chicago to Heidelberg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Chicago to Heidelberg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Chicago to Heidelberg?

    A quick flight from Chicago to Heidelberg can take about 13h 03m. Virgin Atlantic provides one of the quickest options available for as low as $994. Chicago and Heidelberg are separated by a distance of 4331 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Chicago to Heidelberg one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $199. Users have also found prices from $350 and $358 on Aer Lingus and Scandinavian Airlines, respectively.

  • What are the most reliable airlines from Chicago to Heidelberg?

    No one likes to see their flight delayed. When booking a flight from Chicago to Heidelberg consider choosing Air Canada (75%), United Airlines (69%) or Lufthansa (62%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to Heidelberg?

    Looking at all options, your cheapest flight can be booked for $376. While the most popular route (Chicago O'Hare Intl - Frankfurt am Main) can be booked for $641 on average, our data indicates $1,702 when flying from Chicago to Heidelberg.

  • Can I find deals for flights from Chicago to Heidelberg that include hotel bookings?

    Yes. In addition to deals on Chicago to Heidelberg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Heidelberg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Heidelberg.

  • Can I find deals for business class flights from Chicago to Heidelberg?

    Yes. Cheapflights offers flight deals from Chicago to Heidelberg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Heidelberg?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Heidelberg (average of $456). Flying from Chicago to Heidelberg in July is currently the most expensive (average of $771). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Chicago to Heidelberg

Discover the top 10 airlines that operate flights from Chicago to Heidelberg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$653FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$415Average$851FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$431Average$804FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$462Average$1,076FlexibilityNo cancel feeOn-time81%
IcelandairCheapest$467Average$706FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$489Average$642FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$593Average$809FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$594Average$854FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$596Average$886FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$636Average$823FlexibilityNo cancel feeOn-time77%

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