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Heidelberg

$1,052+ Cheap flights from Appleton (ATW) 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — FRA
Jan 18 — Jan 251
Sun 1/18
Sun 1/25
1 adult, Economy
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Cheap flight deals from Appleton to Heidelberg

Best flights from Appleton to Heidelberg
Discover carefully curated flight deals from Appleton to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 19, 2025.

This KLM deal was found by Cheapflights users on 12/17. 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.
Wed 5/611:10 amATW - FRA
1 stop15h 40mKLM
Wed 5/277:00 amFRA - ATW
2 stops16h 37mKLM
Deal found 12/17$1,052
This Air France deal was found by Cheapflights users on 12/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:20 pmATW - FRA
2 stops14h 00mMultiple Airlines
Wed 5/277:00 amFRA - ATW
2 stops16h 37mMultiple Airlines
Deal found 12/17$1,056
This Virgin Atlantic deal was found by Cheapflights users on 12/17. 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.
Sat 5/211:10 amATW - FRA
1 stop15h 40mVirgin Atlantic
Sat 5/1611:00 amFRA - ATW
1 stop16h 40mVirgin Atlantic
Deal found 12/17$1,174
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 5/25:00 amATW - FRA
1 stop19h 20mAmerican Airlines
Sat 5/1611:30 amFRA - ATW
2 stops17h 04mAmerican Airlines
Deal found 12/17$1,276
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 5/23:49 pmATW - FRA
1 stop11h 06mUnited Airlines
Sat 5/1612:40 pmFRA - ATW
1 stop13h 36mUnited Airlines
Deal found 12/17$1,279
This Air France deal was found by Cheapflights users on 12/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:10 amATW - FRA
1 stop15h 40mMultiple Airlines
Sat 5/167:00 amFRA - ATW
2 stops16h 37mMultiple Airlines
Deal found 12/17$1,172
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 1/232:45 pmATW - FRA
1 stop12h 10mUnited Airlines
Tue 1/278:40 amFRA - ATW
1 stop12h 29mUnited Airlines
Deal found 12/16$1,469

Find flight deals from Appleton to Heidelberg

Keep the following information in mind while searching for Appleton to Heidelberg flight deals. Data was last updated December 19, 2025.

Round-trip from

$610
(Virgin Atlantic)

Popular in

June

Cheapest in

January

Average price

$1,118
From Appleton Intl to Heidelberg
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($397 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton 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 December 19, 2025.
Use the filters below to find and compare flights from Appleton to Heidelberg that are best for you.

Fly from

Appleton

Fly to

Heidelberg

Route

Depart

Return

Price

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Wed 5/6

11:10 am-9:50 am

1 stop15h 40m

Frankfurt am Main

Wed 5/27

7:00 am-4:37 pm

2 stops16h 37m

$1,052

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Wed 5/6

5:20 pm-2:20 pm

2 stops14h 00m

Frankfurt am Main

Wed 5/27

7:00 am-4:37 pm

2 stops16h 37m

$1,056

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sat 5/2

11:10 am-9:50 am

1 stop15h 40m

Frankfurt am Main

Sat 5/16

7:00 am-4:37 pm

2 stops16h 37m

$1,172

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sat 5/2

11:10 am-9:50 am

1 stop15h 40m

Frankfurt am Main

Sat 5/16

11:00 am-8:40 pm

1 stop16h 40m

$1,174

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sat 5/2

5:00 am-7:20 am

1 stop19h 20m

Frankfurt am Main

Sat 5/16

11:30 am-9:34 pm

2 stops17h 04m

$1,276

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sat 5/2

3:49 pm-9:55 am

1 stop11h 06m

Frankfurt am Main

Sat 5/16

12:40 pm-7:16 pm

1 stop13h 36m

$1,279

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Fri 1/23

2:45 pm-9:55 am

1 stop12h 10m

Frankfurt am Main

Tue 1/27

8:40 am-2:09 pm

1 stop12h 29m

$1,469

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sun 2/1

12:35 pm-10:30 am

2 stops14h 55m

$3,719

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Best time to book a flight from Appleton to Heidelberg

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

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

Currently, January is the cheapest month in which you can book a flight from Appleton to Heidelberg (average of $614). Flying from Appleton to Heidelberg in June is currently the most expensive (average of $1,224). 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.

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 December 19, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Appleton 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.
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,094 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Appleton 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 Appleton to Heidelberg?

    If you book a flight to Heidelberg from Appleton, you will be flying from Appleton Intl, which is the city’s only airport. Appleton Intl (ATW) is located 5.1 mi from the center of Appleton. There are 0 flights from Appleton Intl to Heidelberg per day from 2 different airlines.

  • How long is the flight from Appleton to Heidelberg?

    KLM and Virgin Atlantic can get you from Appleton to Heidelberg in just under 15h 40m. Your travel time can differ by up to . The distance from Appleton to Heidelberg is about 4241 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Appleton to Heidelberg (average of $614). Flying from Appleton to Heidelberg in June is currently the most expensive (average of $1,224). 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 2 airlines flying from Appleton to Heidelberg

Discover the top 2 airlines that operate flights from Appleton 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 December 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$660Average$777FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$702Average$1,204FlexibilityNo cancel feeOn-time69%

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