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Heidelberg

$239+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
mar 31 — apr 71
mar 3/31
mar 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Heidelberg are usually found in February or January, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap 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 marzo 1, 2026.

This lol.travel deal was found by Cheapflights users on 2/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 4/196:00 pm
ORD
-
FRA
1 stop17h 45m
TAP AIR PORTUGAL
mar 5/57:40 pm
FRA
-
ORD
1 stop27h 20m
TAP AIR PORTUGAL
Deal found 2/27$493
This oojo deal was found by Cheapflights users on 2/26. 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.
dom 4/196:00 pm
ORD
-
FRA
1 stop21h 20m
TAP AIR PORTUGAL
sab 4/256:05 am
FRA
-
ORD
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 2/26$497
This oojo deal was found by Cheapflights users on 2/28. 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.
dom 3/18:25 pm
ORD
-
FRA
1 stop33h 05m
TAP AIR PORTUGAL
dom 3/86:00 am
FRA
-
ORD
1 stop15h 45m
TAP AIR PORTUGAL
Deal found 2/28$501
This KAYAK deal was found by Cheapflights users on 2/27. 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.
ven 10/237:15 pm
ORD
-
FRA
1 stop32h 35m
Scandinavian Airlines
dom 10/253:15 pm
FRA
-
ORD
1 stop32h 30m
Scandinavian Airlines
Deal found 2/27$512
This Gotogate deal was found by Cheapflights users on 2/26. 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.
dom 4/126:00 pm
ORD
-
FRA
1 stop17h 45m
TAP AIR PORTUGAL
dom 4/196:05 am
FRA
-
ORD
1 stop16h 55m
TAP AIR PORTUGAL
Deal found 2/26$515
This CheapOair deal was found by Cheapflights users on 2/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 3/26:04 am
ORD
-
FRA
1 stop16h 51m
Multiple Airlines
gio 3/511:15 am
FRA
-
ORD
1 stop18h 44m
Multiple Airlines
Deal found 2/26$531
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 10/288:20 pm
ORD
-
FRA
1 stop31h 30m
Scandinavian Airlines
dom 11/810:30 am
FRA
-
ORD
1 stop13h 15m
Scandinavian Airlines
Deal found 2/26$541
This FlightHub deal was found by Cheapflights users on 2/25. 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.
lun 10/268:20 pm
ORD
-
FRA
1 stop31h 25m
Scandinavian Airlines
sab 10/313:15 pm
FRA
-
ORD
1 stop32h 30m
Scandinavian Airlines
Deal found 2/25$553

Find 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 marzo 1, 2026.

Round-trip from

$493
(lol.travel)

One-way from

$239
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$853
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. 22% potential increase in price ($262 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 March 2026
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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 marzo 1, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Heidelberg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

mer 8/26

7:15 pm-7:45 pm

1 stop17h 30m

Frankfurt am Main

dom 9/6

7:50 am-10:06 pm

2 stops21h 16m

$697

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

sab 8/22

7:15 pm-7:45 pm

1 stop17h 30m

Frankfurt am Main

mar 11/10

10:35 am-10:04 pm

2 stops18h 29m

$697

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

dom 4/19

5:55 pm-12:00 pm

1 stop11h 05m

Frankfurt am Main

mar 5/5

6:45 am-12:00 pm

1 stop12h 15m

$863

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

dom 4/19

1:36 pm-11:25 am

2 stops14h 49m

Frankfurt am Main

mar 5/5

10:15 am-6:13 pm

2 stops14h 58m

$873

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

dom 3/29

8:10 pm-10:05 am

1 stop30h 55m

Frankfurt am Main

mar 3/31

3:05 pm-9:40 am

1 stop25h 35m

$963

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

gio 7/30

10:40 am-7:45 pm

2 stops26h 05m

Frankfurt am Main

mer 8/12

3:20 pm-4:10 pm

1 stop31h 50m

$965

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

ven 4/3

7:15 pm-2:35 pm

1 stop12h 20m

Frankfurt am Main

sab 6/27

7:40 am-4:10 pm

2 stops15h 30m

$1,073

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

lun 4/27

3:00 pm-6:30 am

Nonstop8h 30m

Frankfurt am Main

dom 5/3

5:20 pm-7:55 pm

Nonstop9h 35m

$1,076

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

lun 4/13

3:00 pm-6:30 am

Nonstop8h 30m

Frankfurt am Main

mer 4/22

8:50 am-11:00 am

Nonstop9h 10m

$1,126

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

gio 5/28

7:15 pm-8:50 pm

1 stop18h 35m

Frankfurt am Main

gio 6/4

7:50 am-4:10 pm

2 stops15h 20m

$1,181

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 February 27, 2026.

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 81 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Heidelberg (average of $461). 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 marzo 1, 2026.

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.

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 marzo 1, 2026.

The most flights from ORD to HE1 are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, 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 marzo 1, 2026.
Read reviews from past customers who have flown United Airlines, Scandinavian 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.
United Airlines
7.4
Good
9,372 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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
United Airlines
7.4
Good
9,372 reviews
United Airlines
7.4
Good
9,372 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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
Scandinavian Airlines
7.3
Good
1,701 reviews
United Airlines
7.4
Good
9,372 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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
Aer Lingus
7.2
Good
1,464 reviews
United Airlines
7.4
Good
9,372 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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
Icelandair
7.1
Good
617 reviews
United Airlines
7.4
Good
9,372 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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
Lufthansa
6.8
Okay
7,820 reviews
United Airlines
7.4
Good
9,372 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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 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 11h 05m. The distance from Chicago O'Hare Intl Airport to Heidelberg is about 4328 mi. This flight may include one or multiple stops.

  • 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 $199 on Icelandair. Other airlines that offer cheap prices include Scandinavian Airlines from $284 and Aer Lingus from $438 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 (55%), Air Canada (51%) and United Airlines (51%).

  • 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 $2,612, our data shows the cheapest flight currently is $325. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $497 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Heidelberg (average of $461). 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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Alternative routes for O'Hare Intl to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Munich flights
O'Hare Intl to Stuttgart flights

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 marzo 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$786FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$415Average$877FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$431Average$778FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$462Average$1,077FlexibilityNo cancel feeOn-time81%
IcelandairCheapest$467Average$702FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$489Average$642FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$501Average$835FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$596Average$886FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$596Average$867FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$643Average$855FlexibilityNo cancel feeOn-time77%

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