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Heidelberg

$305+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — FRA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Chicago to Heidelberg are usually found in January or February, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Chicago to Heidelberg

Keep the following information in mind while searching for Chicago to Heidelberg flight deals. Data was last updated February 20, 2025.

Round-trip from

$639
(Flightnetwork)

One-way from

$306
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$796
From Chicago (CHI) to Heidelberg
Search Deals
One-way flight from Chicago (CHI) to Heidelberg
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($222 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 20, 2025.

This Flightnetwork deal was found by Cheapflights users on 2/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/97:30 pmORD - FRA
1 stop10h 30mIcelandair
Wed 4/232:00 pmFRA - ORD
1 stop14h 15mIcelandair
Deal found 2/20$639
This Flightnetwork deal was found by Cheapflights users on 2/18. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2312:00 pmORD - FRA
1 stop14h 50mBritish Airways
Tue 4/810:55 amFRA - ORD
1 stop15h 27mBritish Airways
Deal found 2/18$640
This oojo deal was found by Cheapflights users on 2/20. 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.
Wed 3/1212:55 pmORD - FRA
1 stop22h 00mTurkish Airlines
Wed 4/26:55 pmFRA - ORD
1 stop21h 45mTurkish Airlines
Deal found 2/20$642
This oojo deal was found by Cheapflights users on 2/19. 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.
Mon 5/127:15 pmORD - FRA
1 stop12h 25mScandinavian Airlines
Wed 5/213:20 pmFRA - ORD
1 stop31h 50mScandinavian Airlines
Deal found 2/19$643
This Condor deal was found by Cheapflights users on 2/18. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:50 amORD - FRA
1 stop13h 25mMultiple Airlines
Wed 6/411:40 amFRA - ORD
1 stop13h 52mMultiple Airlines
Deal found 2/18$655
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2010:28 amORD - FRA
1 stop16h 22mAmerican Airlines
Wed 3/266:30 amFRA - ORD
1 stop15h 00mAmerican Airlines
Deal found 2/19$679
This StudentUniverse deal was found by Cheapflights users on 2/18. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/135:45 pmORD - FRA
2 stops17h 50mFinnair
Tue 4/2911:30 amFRA - ORD
1 stop13h 20mFinnair
Deal found 2/18$685
This Gotogate deal was found by Cheapflights users on 2/19. 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.
Sun 3/239:25 pmORD - FRA
1 stop19h 15mTAP AIR PORTUGAL
Tue 4/87:40 pmFRA - ORD
1 stop27h 30mTAP AIR PORTUGAL
Deal found 2/19$708
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:50 pmORD - FRA
1 stop16h 05mAer Lingus
Thu 5/2210:55 amFRA - ORD
1 stop15h 05mAer Lingus
Deal found 2/19$709
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1911:15 amMDW - FRA
1 stop13h 55mMultiple Airlines
Sun 3/303:15 pmFRA - MDW
1 stop26h 05mMultiple Airlines
Deal found 2/20$824
This oojo deal was found by Cheapflights users on 2/20. 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.
Thu 3/2710:55 pmORD - FRA
1 stop14h 10mLOT
Sat 4/57:50 pmFRA - ORD
2 stops26h 20mLOT
Deal found 2/20$830
This Ticket deal was found by Cheapflights users on 2/18. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/232:55 pmMDW - FRA
1 stop10h 55mKLM
Tue 4/810:40 amFRA - MDW
1 stop18h 41mKLM
Deal found 2/18$896

Find flights from Chicago to Heidelberg within your budget

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 February 20, 2025.

Fly from

Chicago

Fly to

Heidelberg

Route

Depart

Return

Price

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 4/9

7:30 pm-1:00 pm

1 stop10h 30m

Frankfurt am Main

Wed 4/23

2:00 pm-9:15 pm

1 stop14h 15m

$639

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 3/23

12:00 pm-8:50 am

1 stop14h 50m

Frankfurt am Main

Tue 4/8

10:55 am-7:22 pm

1 stop15h 27m

$640

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 3/12

12:55 pm-4:55 pm

1 stop22h 00m

Frankfurt am Main

Wed 4/2

6:55 pm-9:40 am

1 stop21h 45m

$642

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 5/12

7:15 pm-2:40 pm

1 stop12h 25m

Frankfurt am Main

Wed 5/21

3:20 pm-4:10 pm

1 stop31h 50m

$643

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Thu 5/1

8:50 am-5:15 am

1 stop13h 25m

Frankfurt am Main

Tue 5/6

11:40 am-6:32 pm

1 stop13h 52m

$668

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Thu 3/20

10:28 am-8:50 am

1 stop16h 22m

Frankfurt am Main

Wed 3/26

6:30 am-3:30 pm

1 stop15h 00m

$679

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 4/13

5:45 pm-6:35 pm

2 stops17h 50m

Frankfurt am Main

Tue 4/29

11:30 am-5:50 pm

1 stop13h 20m

$685

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 3/2

8:25 pm-4:55 pm

1 stop13h 30m

Frankfurt am Main

Wed 3/5

6:00 am-3:30 pm

1 stop16h 30m

$693

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Tue 5/13

8:50 pm-7:55 pm

1 stop16h 05m

Frankfurt am Main

Thu 5/22

10:55 am-7:00 pm

1 stop15h 05m

$709

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Wed 3/19

11:15 am-7:10 am

1 stop13h 55m

Frankfurt am Main

Sun 3/30

3:15 pm-10:20 am

1 stop26h 05m

$824

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 32 results
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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.

Travel insights for flights from Chicago to Heidelberg

Get recent, data-driven insights about flights from Chicago to Heidelberg including ideal travel times, pricing trends, and more.

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 February 14, 2025.

The best time to book flights from Chicago to Heidelberg is 67 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, January is the cheapest month in which you can book a flight from Chicago to Heidelberg (average of $729). Flying from Chicago to Heidelberg in June is currently the most expensive (average of $1,096). 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 February 20, 2025.

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.

What is the cheapest day to fly from Chicago to Heidelberg?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Heidelberg. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Heidelberg flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 20, 2025.

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

Rainfall in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Heidelberg ranges from 1.6 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Heidelberg when rainfall is around 1.6 in.

Temperature in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Heidelberg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 February 20, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and LOT from Chicago to Heidelberg to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT
7.6
Good
1,080 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $329. Users have also found prices from $366 and $405 on Scandinavian Airlines and TAP AIR PORTUGAL, 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 (58%), United Airlines (58%) or Thai Airways (47%) 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 $402. While the most popular route (Chicago O'Hare Intl - Frankfurt am Main) can be booked for $594 on average our data indicates $3,039 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, January is the cheapest month in which you can book a flight from Chicago to Heidelberg (average of $729). Flying from Chicago to Heidelberg in June is currently the most expensive (average of $1,096). 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

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$333Average$647FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$453Average$688FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$498Average$927FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$565Average$840FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$600Average$693FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$608Average$830FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$631Average$1,061FlexibilityNo cancel feeOn-time71%
KLMCheapest$642Average$985FlexibilityNo cancel feeOn-time75%
SWISSCheapest$651Average$1,114FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$656Average$1,182FlexibilityNo cancel feeOn-time76%
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