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Heidelberg

$221+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Mar 19 — Mar 261
Wed 3/19
Wed 3/26
1 adult, Economy
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The best prices from Chicago O'Hare Intl to Heidelberg are usually found in January or October, 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 March 14, 2025.

Round-trip from

$630
(Mytrip)

One-way from

$229
(oojo)

Popular in

June

Cheapest in

January

Average price

$890
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. 21% potential increase in price ($273 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 14, 2025.

This Iberia deal was found by Cheapflights users on 3/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:45 pmORD - FRA
1 stop14h 05mMultiple Airlines
Tue 12/96:30 amFRA - ORD
2 stops20h 15mMultiple Airlines
Deal found 3/13$644
This oojo deal was found by Cheapflights users on 3/13. 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 10/308:30 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Thu 11/68:30 pmFRA - ORD
1 stop27h 15mScandinavian Airlines
Deal found 3/13$649
This Orbitz deal was found by Cheapflights users on 3/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2412:00 pmORD - FRA
1 stop14h 50mBritish Airways
Mon 3/317:05 pmFRA - ORD
1 stop27h 50mBritish Airways
Deal found 3/13$650
This StudentUniverse deal was found by Cheapflights users on 3/13. 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 3/305:55 pmORD - FRA
2 stops17h 40mFinnair
Tue 4/1511:30 amFRA - ORD
1 stop13h 20mFinnair
Deal found 3/13$659
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Sun 3/3012:05 pmORD - FRA
1 stop13h 40mAmerican Airlines
Tue 4/159:20 amFRA - ORD
1 stop13h 39mAmerican Airlines
Deal found 3/13$664
This oojo deal was found by Cheapflights users on 3/13. 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 10/17:50 pmORD - FRA
1 stop18h 10mTurkish Airlines
Wed 10/157:05 amFRA - ORD
1 stop21h 55mTurkish Airlines
Deal found 3/13$675
This FlightHub deal was found by Cheapflights users on 3/14. 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 11/216:30 pmORD - FRA
1 stop10h 35mIcelandair
Sun 12/71:05 pmFRA - ORD
1 stop11h 15mIcelandair
Deal found 3/14$699
This Gotogate deal was found by Cheapflights users on 3/13. 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 3/169:25 pmORD - FRA
1 stop19h 15mTAP AIR PORTUGAL
Wed 3/196:00 amFRA - ORD
1 stop16h 30mTAP AIR PORTUGAL
Deal found 3/13$726
This Iberia deal was found by Cheapflights users on 3/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/810:35 pmORD - FRA
1 stop17h 00mIberia
Tue 8/126:30 amFRA - ORD
1 stop14h 45mIberia
Deal found 3/13$734
This United deal was found by Cheapflights users on 3/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/22:55 pmORD - FRA
Nonstop8h 35mUnited Airlines
Tue 4/812:40 pmFRA - ORD
Nonstop9h 05mUnited Airlines
Deal found 3/13$822
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/25:00 amORD - FRA
2 stops22h 15mAer Lingus
Tue 4/810:55 amFRA - ORD
1 stop15h 05mAer Lingus
Deal found 3/13$827
This FlightHub deal was found by Cheapflights users on 3/13. 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 3/2510:55 pmORD - FRA
1 stop14h 10mLOT
Tue 4/17:50 pmFRA - ORD
1 stop30h 50mLOT
Deal found 3/13$833

Find flights from O'Hare Intl to Heidelberg within your budget

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 March 14, 2025.

Fly from

O'Hare Intl

Fly to

Heidelberg

Route

Depart

Return

Price

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 3/24

12:00 pm-8:50 am

1 stop14h 50m

Frankfurt am Main

Mon 3/31

7:05 pm-3:55 pm

1 stop27h 50m

$650

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 3/30

5:55 pm-6:35 pm

2 stops17h 40m

Frankfurt am Main

Tue 4/15

11:30 am-5:50 pm

1 stop13h 20m

$659

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 3/30

12:05 pm-8:45 am

1 stop13h 40m

Frankfurt am Main

Tue 4/15

9:20 am-3:59 pm

1 stop13h 39m

$664

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

Thu 4/24

9:45 am-2:26 pm

2 stops35h 41m

$665

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 9/10

7:50 pm-10:00 am

1 stop31h 10m

Frankfurt am Main

Mon 9/22

11:25 am-10:00 pm

1 stop17h 35m

$675

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Tue 7/8

10:35 pm-10:35 pm

1 stop17h 00m

Frankfurt am Main

Tue 8/12

6:30 am-2:15 pm

1 stop14h 45m

$734

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sat 4/26

7:15 pm-2:40 pm

1 stop12h 25m

Frankfurt am Main

Thu 5/8

8:30 pm-4:10 pm

1 stop26h 40m

$767

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 4/21

7:25 pm-1:00 pm

1 stop10h 35m

Frankfurt am Main

Mon 4/28

2:00 pm-6:15 pm

1 stop11h 15m

$775

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 3/30

6:00 pm-10:20 pm

1 stop21h 20m

Frankfurt am Main

Tue 4/15

7:40 pm-4:10 pm

1 stop27h 30m

$789

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 4/2

2:55 pm-6:30 am

Nonstop8h 35m

Frankfurt am Main

Tue 4/8

12:40 pm-2:45 pm

Nonstop9h 05m

$822

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 30 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.

Travel insights for flights from O'Hare Intl to Heidelberg

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

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 March 7, 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 $1,089). 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 March 14, 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 Monday 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 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 March 14, 2025.

The most flights from ORD to HE1 are scheduled on a Wednesday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 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 March 14, 2025.
To help decide which airline to fly from Chicago to Heidelberg, see what other customers have to say about Singapore Airlines, Delta and LOT. 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
1,279 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Singapore Airlines
8.1
Very good
1,279 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Delta
8.0
Very good
7,944 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

LOT
7.6
Good
1,058 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Finnair
7.6
Good
1,268 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

United Airlines
7.4
Good
8,623 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

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 $229 on Icelandair. Other airlines that offer cheap prices include Scandinavian Airlines from $367 and Singapore Airlines from $562 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 Lufthansa (81%), Air Canada (77%) and United Airlines (77%).

  • 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 $4,317, our data shows the cheapest flight currently is $455. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $549 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 $1,089). 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 March 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$264Average$637FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$453Average$682FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$498Average$864FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$565Average$794FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$585Average$782FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$591Average$804FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$600Average$683FlexibilityNo cancel feeOn-time77%
KLMCheapest$642Average$985FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$659Average$1,195FlexibilityNo cancel feeOn-time76%
LOTCheapest$698Average$999FlexibilityNo cancel feeOn-time81%
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