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Heidelberg

$386+ Cheap flights from Oshkosh, WI 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.
MKE — FRA
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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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 agosto 14, 2025.

Round-trip from

$682
(American Airlines)

One-way from

$386
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$805
From Oshkosh to Heidelberg
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One-way flight from Oshkosh to Heidelberg
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Highest demand for flights based on searches. 28% potential increase in price ($390 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 agosto 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/186:16 amATW - FRA
1 stop17h 59mAmerican Airlines
jue. 12/1110:50 amFRA - ATW
1 stop17h 58mAmerican Airlines
Deal found 8/14$682
This American Airlines deal was found by Cheapflights users on 8/13. 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.
sáb. 11/155:00 amATW - FRA
1 stop20h 50mAmerican Airlines
mié. 11/2610:50 amFRA - ATW
1 stop18h 58mAmerican Airlines
Deal found 8/13$807
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/245:00 amATW - FRA
1 stop20h 50mAmerican Airlines
mié. 12/1710:50 amFRA - ATW
1 stop17h 58mAmerican Airlines
Deal found 8/14$812
This American Airlines deal was found by Cheapflights users on 8/13. 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.
sáb. 11/86:16 amATW - FRA
1 stop17h 59mAmerican Airlines
mié. 11/1910:50 amFRA - ATW
1 stop19h 35mAmerican Airlines
Deal found 8/13$813
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/247:42 pmATW - FRA
2 stops15h 28mMultiple Airlines
mié. 12/1710:50 amFRA - ATW
2 stops17h 42mMultiple Airlines
Deal found 8/14$821
This United Airlines deal was found by Cheapflights users on 8/13. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/1612:38 pmATW - FRA
1 stop14h 17mUnited Airlines
jue. 11/279:45 amFRA - ATW
2 stops35h 12mUnited Airlines
Deal found 8/13$843
This United Airlines deal was found by Cheapflights users on 8/13. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/162:32 pmATW - FRA
1 stop12h 23mUnited Airlines
mar. 11/258:40 amFRA - ATW
1 stop12h 17mUnited Airlines
Deal found 8/13$866

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 agosto 14, 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

mar. 11/18

6:16 am-7:15 am

1 stop17h 59m

Frankfurt am Main

jue. 12/11

10:50 am-9:48 pm

1 stop17h 58m

$682

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

lun. 11/24

7:42 pm-6:10 pm

2 stops15h 28m

Frankfurt am Main

mié. 12/17

10:50 am-9:48 pm

1 stop17h 58m

$687

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

lun. 1/12

6:55 am-8:50 am

1 stop18h 55m

Frankfurt am Main

lun. 1/26

10:15 am-9:50 pm

1 stop18h 35m

$807

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

sáb. 11/15

5:00 am-8:50 am

1 stop20h 50m

Frankfurt am Main

mié. 11/26

10:50 am-10:48 pm

1 stop18h 58m

$807

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

sáb. 11/8

9:39 am-8:50 am

2 stops16h 11m

Frankfurt am Main

mié. 11/19

10:50 am-11:25 pm

1 stop19h 35m

$811

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

lun. 11/24

5:00 am-8:50 am

1 stop20h 50m

Frankfurt am Main

mié. 12/17

10:50 am-9:48 pm

1 stop17h 58m

$812

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

vie. 11/14

6:30 am-12:30 pm

3 stops47h 00m

$386

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

sáb. 11/15

10:59 am-12:30 pm

3 stops42h 31m

$438

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

sáb. 11/15

3:42 pm-7:25 am

2 stops32h 43m

$446

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

dom. 11/16

7:00 am-7:50 am

2 stops17h 50m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 results
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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 $1,091). 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.

How much does it cost to fly round-trip from Oshkosh to Heidelberg?

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 agosto 14, 2025.
Get a feel of what it's like to fly with United Airlines from Oshkosh to Heidelberg by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 $1,091). 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 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$680Average$1,090FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$696Average$1,051FlexibilityNo cancel feeOn-time76%
DeltaCheapest$731Average$1,045FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$769Average$1,260FlexibilityNo cancel feeOn-time71%

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