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$682+ Cheap flights from Green Bay (GRB) 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — FRA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Green Bay to Heidelberg

Keep the following information in mind while searching for Green Bay to Heidelberg flight deals. Data was last updated junio 12, 2025.

Round-trip from

$682
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$1,627
From Green Bay Austin-Straubel to Heidelberg
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($321 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Green Bay to Heidelberg

Cheapest flights from Green Bay to Heidelberg
Explore the most affordable flight options available from Green Bay to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
dom. 12/76:28 pmGRB - FRA
2 stops16h 47mAmerican Airlines
mié. 12/1711:25 amFRA - GRB
2 stops17h 08mAmerican Airlines
Deal found 6/11$682
This United Airlines deal was found by Cheapflights users on 6/11. 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. 12/76:30 amGRB - FRA
2 stops17h 55mUnited Airlines
mié. 12/178:40 amFRA - GRB
1 stop19h 34mUnited Airlines
Deal found 6/11$703

Cheapflights Fare Finder

Customize your flight search to find flights from Green Bay 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 junio 12, 2025.
Use the filters below to find and compare flights from Green Bay to Heidelberg that are best for you.

Fly from

Green Bay

Fly to

Heidelberg

Route

Depart

Return

Price

Green BayFrankfurt am Main

GRB - FRA

GRBFRA

Green Bay Austin-Straubel

dom. 12/7

6:28 pm-6:15 pm

2 stops16h 47m

Frankfurt am Main

mié. 12/17

11:25 am-9:33 pm

2 stops17h 08m

$682

Green BayFrankfurt am Main

GRB - FRA

GRBFRA

Green Bay Austin-Straubel

dom. 12/7

6:30 am-7:25 am

2 stops17h 55m

Frankfurt am Main

mié. 12/17

8:40 am-9:14 pm

1 stop19h 34m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Green Bay to Heidelberg

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

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 junio 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Entertainment

7.0

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

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
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Entertainment

7.0

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Entertainment

7.0

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

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 Green Bay to Heidelberg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Green Bay to Heidelberg?

    Green Bay Austin-Straubel (GRB), located 5.9 mi from the city center, is the airport you fly out of when you book flights from Green Bay to Heidelberg. 1 airline have flights from Austin-Straubel to Heidelberg on a regular basis. Booking flights from Green Bay Austin-Straubel to Heidelberg should not be difficult; the airport handles an average of 0 outbound flights to Heidelberg per day.

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

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

  • How can I find direct flights from Green Bay to Heidelberg?

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

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

    Yes. Cheapflights offers flight deals from Green Bay 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 Green Bay to Heidelberg?

    Currently, January is the cheapest month in which you can book a flight from Green Bay to Heidelberg (average of $729). Flying from Green Bay to Heidelberg in June is currently the most expensive (average of $1,088). 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 airline flying from Green Bay to Heidelberg

Discover the top airline that operate flights from Green Bay 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$682Average$1,193FlexibilityNo cancel feeOn-time69%

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