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Heidelberg

$369+ Cheap flights from O'Hare Intl (ORD) 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Heidelberg are usually found in January or February, booked 43 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from O'Hare Intl to Heidelberg

Keep the following information in mind while searching for O'Hare Intl to Heidelberg flight deals. Data was last updated April 24, 2025.

Round-trip from

$629
(Condor)

One-way from

$369
(oojo)

Popular in

June

Cheapest in

January

Average price

$903
From Chicago O'Hare Intl to Heidelberg
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One-way flight from Chicago O'Hare Intl to Heidelberg
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Highest demand for flights based on searches. 20% potential increase in price ($251 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from O'Hare Intl to Heidelberg

Cheapest flights from O'Hare Intl to Heidelberg
Explore the most affordable flight options available from O'Hare Intl to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This oojo deal was found by Cheapflights users on 4/22. 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 10/226:00 pmORD - FRA
1 stop21h 20mTAP AIR PORTUGAL
Wed 11/56:00 amFRA - ORD
1 stop16h 00mTAP AIR PORTUGAL
Deal found 4/22$626
This Condor deal was found by Cheapflights users on 4/23. 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.
Mon 5/58:50 amORD - FRA
1 stop13h 25mMultiple Airlines
Sun 5/1811:15 amFRA - ORD
1 stop17h 39mMultiple Airlines
Deal found 4/23$629
This oojo deal was found by Cheapflights users on 4/23. 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 10/308:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Fri 11/148:30 pmFRA - ORD
1 stop27h 15mScandinavian Airlines
Deal found 4/23$630
This FlightHub deal was found by Cheapflights users on 4/22. 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 4/293:45 pmORD - FRA
1 stop11h 30mAer Lingus
Wed 5/710:55 amFRA - ORD
1 stop15h 05mAer Lingus
Deal found 4/22$642
This FlightHub deal was found by Cheapflights users on 4/21. 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 9/2411:45 pmORD - FRA
1 stop27h 15mTurkish Airlines
Mon 10/67:05 amFRA - ORD
1 stop21h 55mTurkish Airlines
Deal found 4/21$656
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 7/99:15 pmORD - FRA
1 stop14h 00mAmerican Airlines
Wed 7/169:20 amFRA - ORD
1 stop16h 56mAmerican Airlines
Deal found 4/21$722
This Expedia deal was found by Cheapflights users on 4/21. 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.
Sat 6/148:50 pmORD - FRA
1 stop27h 30mBritish Airways
Wed 8/139:20 amFRA - ORD
1 stop13h 32mBritish Airways
Deal found 4/21$724
This StudentUniverse deal was found by Cheapflights users on 4/22. 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.
Tue 5/134:44 pmORD - FRA
2 stops18h 51mFinnair
Tue 5/2711:30 amFRA - ORD
1 stop13h 20mFinnair
Deal found 4/22$745
This Expedia deal was found by Cheapflights users on 4/22. 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.
Sun 5/118:35 pmORD - FRA
1 stop29h 10mIberia
Tue 5/276:30 amFRA - ORD
1 stop14h 45mIberia
Deal found 4/22$775
This oojo deal was found by Cheapflights users on 4/22. 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 8/135:10 pmORD - FRA
1 stop22h 30mLOT
Sat 8/237:50 pmFRA - ORD
1 stop26h 20mLOT
Deal found 4/22$827
This Gurufare deal was found by Cheapflights users on 4/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:55 pmORD - FRA
Nonstop8h 30mLufthansa
Thu 11/2010:50 amFRA - ORD
Nonstop9h 35mLufthansa
Deal found 4/23$828
This Gotogate deal was found by Cheapflights users on 4/23. 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 5/118:40 amORD - FRA
1 stop16h 30mAir Canada
Tue 5/272:20 pmFRA - ORD
1 stop12h 52mAir Canada
Deal found 4/23$833

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl 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 24, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Heidelberg that are best for you.

Fly from

O'Hare Intl

Fly to

Heidelberg

Route

Depart

Return

Price

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 5/5

8:50 am-5:15 am

1 stop13h 25m

Frankfurt am Main

Sun 5/18

11:15 am-9:54 pm

1 stop17h 39m

$629

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Tue 4/29

3:45 pm-10:15 am

1 stop11h 30m

Frankfurt am Main

Wed 5/7

10:55 am-7:00 pm

1 stop15h 05m

$642

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 5/18

8:15 pm-7:45 pm

1 stop16h 30m

Frankfurt am Main

Mon 6/9

8:30 pm-4:10 pm

1 stop26h 40m

$715

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 7/9

9:15 pm-6:15 pm

1 stop14h 00m

Frankfurt am Main

Wed 7/16

9:20 am-7:16 pm

1 stop16h 56m

$722

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sat 6/14

8:50 pm-7:20 am

1 stop27h 30m

Frankfurt am Main

Wed 8/13

9:20 am-3:52 pm

1 stop13h 32m

$724

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Tue 5/13

4:44 pm-6:35 pm

2 stops18h 51m

Frankfurt am Main

Tue 5/27

11:30 am-5:50 pm

1 stop13h 20m

$745

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 5/11

8:35 pm-8:45 am

1 stop29h 10m

Frankfurt am Main

Tue 5/27

6:30 am-2:15 pm

1 stop14h 45m

$775

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 5/7

4:00 pm-7:20 am

Nonstop8h 20m

Frankfurt am Main

Wed 5/21

10:50 am-12:55 pm

Nonstop9h 05m

$824

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 5/11

8:40 am-8:10 am

1 stop16h 30m

Frankfurt am Main

Tue 5/27

2:20 pm-8:12 pm

1 stop12h 52m

$833

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 5/7

6:35 pm-1:55 pm

1 stop12h 20m

Frankfurt am Main

Wed 5/21

9:45 am-3:55 pm

1 stop13h 10m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 32 results
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Best time to book a flight from O'Hare Intl to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from O'Hare Intl 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 O'Hare Intl Airport to Heidelberg

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Heidelberg?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Heidelberg. Price data was last updated on April 18, 2025.

The price you pay for your flight from Chicago O'Hare Intl Airport to Heidelberg may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Heidelberg?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Heidelberg (average of $729). Flying from Chicago O'Hare Intl Airport to Heidelberg in June is currently the most expensive (average of $1,079). 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 ORD to HE1?

Find hourly flight availability from O'Hare Intl 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 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Heidelberg as you normally would.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Heidelberg?

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

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Heidelberg flight should consider departing on Tuesday at noon 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 O'Hare Intl Airport to Heidelberg

Explore weekly flight availability from O'Hare Intl 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 24, 2025.

The most flights from ORD to HE1 are scheduled on a Monday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 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 April 24, 2025.
To help decide which airline to fly from Chicago to Heidelberg, see what other customers have to say about Singapore Airlines, Delta and Alaska Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,290 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,290 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Delta
8.0
Very good
7,920 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Alaska Airlines
8.0
Very good
9,918 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
KLM
7.8
Good
1,333 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
LOT
7.6
Good
1,066 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl Airport to Heidelberg one-way?

    One-way options have recently been found by users for as low as $369 on Scandinavian Airlines. Other airlines that offer cheap prices include Icelandair from $422 and Singapore Airlines from $491 one-way.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Heidelberg?

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Heidelberg are Air Canada (73%), United Airlines (73%) and Lufthansa (73%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Heidelberg?

    While on average a flight from Chicago O'Hare Intl Airport to Heidelberg is generally $4,239, our data shows the cheapest flight currently is $485. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $400 for that flight.

  • Can I find deals for flights from O'Hare Intl to Heidelberg that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Heidelberg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Heidelberg?

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

  • Can I find deals for business class flights from O'Hare Intl to Heidelberg?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Heidelberg?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Heidelberg (average of $729). Flying from Chicago O'Hare Intl Airport to Heidelberg in June is currently the most expensive (average of $1,079). 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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Top 10 airlines flying from O'Hare Intl to Heidelberg

Discover the top 10 airlines that operate flights from O'Hare Intl 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$264Average$652FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$453Average$673FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$492Average$832FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$495Average$868FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$565Average$771FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$590Average$794FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$600Average$701FlexibilityNo cancel feeOn-time77%
KLMCheapest$642Average$920FlexibilityNo cancel feeOn-time75%
LOTCheapest$698Average$999FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$746Average$1,138FlexibilityNo cancel feeOn-time69%

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