HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heidelberg

$866+ Cheap flights from Oshkosh, WI to Heidelberg, Germany

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — FRA
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oshkosh to Heidelberg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oshkosh to Heidelberg

Keep the following information in mind while searching for Oshkosh to Heidelberg flight deals. Data was last updated April 25, 2025.

Round-trip from

$866
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$901
From Oshkosh to Heidelberg
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($325 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Oshkosh to Heidelberg

Cheapest flights from Oshkosh to Heidelberg
Explore the most affordable flight options available from Oshkosh to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This United Airlines deal was found by Cheapflights users on 4/24. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:41 amATW - FRA
1 stop16h 49mUnited Airlines
Sat 9/209:55 amFRA - ATW
2 stops35h 11mUnited Airlines
Deal found 4/24$866
This Virgin Atlantic deal was found by Cheapflights users on 4/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:29 amATW - FRA
1 stop20h 26mVirgin Atlantic
Sat 9/2010:40 amFRA - ATW
1 stop18h 19mVirgin Atlantic
Deal found 4/24$889
This lastminute.com deal was found by Cheapflights users on 4/25. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:11 amATW - FRA
1 stop15h 39mMultiple Airlines
Tue 5/1310:40 amFRA - ATW
2 stops18h 08mMultiple Airlines
Deal found 4/25$974
This KLM deal was found by Cheapflights users on 4/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/811:09 amATW - FRA
1 stop15h 41mKLM
Sun 6/1511:00 amFRA - ATW
1 stop13h 34mKLM
Deal found 4/24$1,104

Cheapflights Fare Finder

Customize your flight search to find flights from Oshkosh 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 25, 2025.
Use the filters below to find and compare flights from Oshkosh to Heidelberg that are best for you.

Fly from

Oshkosh

Fly to

Heidelberg

Route

Depart

Return

Price

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Tue 9/9

6:41 am-6:30 am

1 stop16h 49m

Frankfurt am Main

Sat 9/20

9:55 am-2:06 pm

2 stops35h 11m

$866

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Tue 9/9

5:29 am-8:55 am

1 stop20h 26m

Frankfurt am Main

Sat 9/20

10:40 am-9:59 pm

1 stop18h 19m

$889

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Fri 5/9

11:11 am-9:50 am

1 stop15h 39m

Frankfurt am Main

Tue 5/13

10:40 am-9:48 pm

2 stops18h 08m

$974

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sun 6/8

11:09 am-9:50 am

1 stop15h 41m

Frankfurt am Main

Sun 6/15

11:00 am-5:34 pm

1 stop13h 34m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Best time to book a flight from Oshkosh to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Oshkosh 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 Oshkosh to Heidelberg

What is the cheapest month to book a flight from Oshkosh to Heidelberg?

Currently, January is the cheapest month in which you can book a flight from Oshkosh to Heidelberg (average of $729). Flying from Oshkosh 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 OS9 to HE1?

Find hourly flight availability from Oshkosh 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 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oshkosh to Heidelberg as you normally would.

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 25, 2025.
KLM
7.8
Good
1,333 reviews

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,685 reviews
KLM
7.8
Good
1,333 reviews

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Virgin Atlantic
7.4
Good
642 reviews
KLM
7.8
Good
1,333 reviews

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Oshkosh to Heidelberg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Oshkosh to Heidelberg that include hotel bookings?

    Yes. In addition to deals on Oshkosh to Heidelberg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oshkosh to Heidelberg?

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

  • Can I find deals for business class flights from Oshkosh to Heidelberg?

    Yes. Cheapflights offers flight deals from Oshkosh 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 Oshkosh to Heidelberg?

    Currently, January is the cheapest month in which you can book a flight from Oshkosh to Heidelberg (average of $729). Flying from Oshkosh 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Oshkosh to Heidelberg

Discover the top 4 airlines that operate flights from Oshkosh 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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$672Average$1,126FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$1,141FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$696Average$1,051FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$697Average$1,134FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.