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Heidelberg

$212+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Nov 7 — Nov 141
Fri 11/7
Fri 11/14
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 11 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 October 8, 2025.

This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 pmORD - FRA
2 stops17h 50mMultiple Airlines
Sat 12/137:25 amFRA - ORD
2 stops16h 55mMultiple Airlines
Deal found 10/6$574
This oojo deal was found by Cheapflights users on 10/8. 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 12/37:10 pmORD - FRA
1 stop14h 45mTAP AIR PORTUGAL
Fri 12/196:00 amFRA - ORD
1 stop16h 25mTAP AIR PORTUGAL
Deal found 10/8$575
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:30 pmORD - FRA
2 stops17h 50mMultiple Airlines
Fri 12/57:30 amFRA - ORD
2 stops16h 50mMultiple Airlines
Deal found 10/6$576
This SmartFares deal was found by Cheapflights users on 10/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Fri 12/193:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Deal found 10/7$577
This FlightHub deal was found by Cheapflights users on 10/6. 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.
Sun 12/77:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Thu 12/188:30 pmFRA - ORD
1 stop27h 15mScandinavian Airlines
Deal found 10/6$580
This oojo deal was found by Cheapflights users on 10/6. 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 11/157:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Tue 12/168:30 pmFRA - ORD
1 stop27h 15mScandinavian Airlines
Deal found 10/6$585
This FlightHub deal was found by Cheapflights users on 10/6. 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.
Sun 11/98:25 pmORD - FRA
1 stop19h 15mTAP AIR PORTUGAL
Sun 11/166:00 amFRA - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 10/6$586
This Justfly.com deal was found by Cheapflights users on 10/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Sun 11/98:30 pmFRA - ORD
1 stop27h 15mScandinavian Airlines
Deal found 10/6$588
This FlightHub deal was found by Cheapflights users on 10/6. 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.
Fri 11/78:15 pmORD - FRA
1 stop33h 15mTAP AIR PORTUGAL
Sun 11/166:00 amFRA - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 10/6$590
This oojo deal was found by Cheapflights users on 10/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:10 pmORD - FRA
1 stop20h 30mTAP AIR PORTUGAL
Sun 11/166:00 amFRA - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 10/7$591
This Scandinavian Airlines deal was found by Cheapflights users on 10/6. 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.
Sun 12/77:10 amORD - FRA
2 stops24h 20mScandinavian Airlines
Tue 12/168:30 pmFRA - ORD
1 stop27h 15mScandinavian Airlines
Deal found 10/6$592
This Justfly.com deal was found by Cheapflights users on 10/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Sat 12/138:30 pmFRA - ORD
2 stops32h 17mScandinavian Airlines
Deal found 10/7$594

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 October 8, 2025.

Round-trip from

$574
(Mytrip)

One-way from

$212
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$864
From Chicago O'Hare Intl to Heidelberg
Search Deals
One-way flight from Chicago O'Hare Intl to Heidelberg
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 8, 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 12/8

7:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Thu 1/8

8:30 pm-4:45 pm

1 stop27h 15m

$602

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Thu 12/11

7:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Tue 2/3

3:15 pm-9:35 pm

2 stops37h 20m

$622

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 11/12

7:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Mon 11/17

8:30 pm-9:27 pm

2 stops31h 57m

$640

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 12/10

7:00 am-2:30 pm

2 stops24h 30m

Frankfurt am Main

Fri 1/30

3:15 pm-4:45 pm

1 stop32h 30m

$660

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 10/27

8:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Mon 11/10

7:55 am-9:27 pm

2 stops20h 32m

$681

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Thu 11/6

7:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Thu 11/13

7:05 am-4:45 pm

2 stops16h 40m

$688

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Tue 11/4

7:05 am-11:35 am

2 stops21h 30m

Frankfurt am Main

Mon 12/22

7:55 am-4:45 pm

1 stop15h 50m

$713

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sat 11/15

7:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Sat 11/22

6:55 am-4:45 pm

2 stops16h 50m

$719

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 11/17

7:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Mon 11/24

6:55 am-4:45 pm

2 stops16h 50m

$719

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sat 12/13

7:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Tue 2/3

8:30 pm-4:45 pm

1 stop27h 15m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 21 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 October 3, 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 11 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Heidelberg (average of $203). Flying from Chicago O'Hare Intl Airport to Heidelberg in June is currently the most expensive (average of $754). 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 October 8, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% on flights from Chicago O'Hare Intl Airport to Heidelberg by exploring options for tickets in the morning.

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. Friday 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 October 8, 2025.

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

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 October 8, 2025.
Read reviews from past customers who have flown Scandinavian Airlines, United Airlines, and Aer Lingus from Chicago O'Hare Intl Airport to Heidelberg. 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.
Scandinavian Airlines
7.4
Good
1,529 reviews

Crew

8.0

Overall

7.4

Food

6.6

Boarding

7.6

Comfort

7.3

Entertainment

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Scandinavian Airlines
7.4
Good
1,529 reviews
Scandinavian Airlines
7.4
Good
1,529 reviews

Crew

8.0

Overall

7.4

Food

6.6

Boarding

7.6

Comfort

7.3

Entertainment

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
United Airlines
7.4
Good
8,965 reviews
Scandinavian Airlines
7.4
Good
1,529 reviews

Crew

8.0

Overall

7.4

Food

6.6

Boarding

7.6

Comfort

7.3

Entertainment

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Aer Lingus
7.2
Good
1,322 reviews
Scandinavian Airlines
7.4
Good
1,529 reviews

Crew

8.0

Overall

7.4

Food

6.6

Boarding

7.6

Comfort

7.3

Entertainment

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Icelandair
7.0
Good
551 reviews
Scandinavian Airlines
7.4
Good
1,529 reviews

Crew

8.0

Overall

7.4

Food

6.6

Boarding

7.6

Comfort

7.3

Entertainment

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Lufthansa
6.8
Okay
7,461 reviews
Scandinavian Airlines
7.4
Good
1,529 reviews

Crew

8.0

Overall

7.4

Food

6.6

Boarding

7.6

Comfort

7.3

Entertainment

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great 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.

  • How long is the flight from Chicago O'Hare Intl Airport to Heidelberg?

    Departing from Chicago O'Hare Intl Airport to Heidelberg will take you 17h 25m. The distance from Chicago O'Hare Intl Airport to Heidelberg is about 4328 mi.

  • 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 (63%), United Airlines (63%) and Lufthansa (57%).

  • 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 $2,628, our data shows the cheapest flight currently is $416. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $496 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Heidelberg (average of $203). Flying from Chicago O'Hare Intl Airport to Heidelberg in June is currently the most expensive (average of $754). 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 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 October 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$791FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$333Average$638FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$429Average$828FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$467Average$725FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$485Average$911FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$495Average$842FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$583Average$844FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$614Average$725FlexibilityNo cancel feeOn-time77%
KLMCheapest$652Average$886FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$756Average$1,119FlexibilityNo cancel feeOn-time76%

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