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Heidelberg

$341+ Cheap flights from Appleton (ATW) 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — FRA
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Appleton to Heidelberg

Keep the following information in mind while searching for Appleton to Heidelberg flight deals. Data was last updated November 13, 2025.

Round-trip from

$606
(KLM)

One-way from

$341
(Thrive Travel)

Popular in

June

Cheapest in

January

Average price

$811
From Appleton Intl to Heidelberg
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One-way flight from Appleton Intl to Heidelberg
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Highest demand for flights based on searches. 27% potential increase in price ($363 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Appleton to Heidelberg

Cheapest flights from Appleton to Heidelberg
Explore the most affordable flight options available from Appleton to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This lastminute.com deal was found by Cheapflights users on 11/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:23 amATW - FRA
1 stop20h 17mVirgin Atlantic
Tue 11/1810:40 amFRA - ATW
2 stops41h 10mVirgin Atlantic
Deal found 11/11$572
This KLM deal was found by Cheapflights users on 11/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:23 amATW - FRA
1 stop20h 17mKLM
Mon 12/89:50 amFRA - ATW
1 stop19h 14mKLM
Deal found 11/11$606
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:00 amATW - FRA
2 stops18h 40mDelta
Mon 12/810:40 amFRA - ATW
1 stop13h 34mDelta
Deal found 11/12$611
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/278:10 amATW - FRA
2 stops20h 40mUnited Airlines
Sat 1/39:50 amFRA - ATW
2 stops35h 43mUnited Airlines
Deal found 11/12$1,665
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 12/266:15 amATW - FRA
2 stops18h 10mUnited Airlines
Fri 1/28:40 amFRA - ATW
1 stop19h 57mUnited Airlines
Deal found 11/11$1,692
This Virgin Atlantic deal was found by Cheapflights users on 11/12. 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 12/275:25 amATW - FRA
1 stop20h 15mVirgin Atlantic
Sat 1/310:40 amFRA - ATW
1 stop17h 23mVirgin Atlantic
Deal found 11/12$1,696
This lastminute.com deal was found by Cheapflights users on 11/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:38 pmATW - FRA
2 stops36h 32mLufthansa
Tue 11/181:15 pmFRA - ATW
2 stops15h 18mLufthansa
Deal found 11/11$1,804
This Mytrip deal was found by Cheapflights users on 11/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:54 pmATW - FRA
3 stops28h 31mMultiple Airlines
Fri 1/29:45 amFRA - ATW
2 stops16h 19mMultiple Airlines
Deal found 11/11$2,484
This lastminute.com deal was found by Cheapflights users on 11/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:23 amATW - FRA
1 stop20h 17mMultiple Airlines
Tue 11/1810:50 amFRA - ATW
1 stop12h 52mMultiple Airlines
Deal found 11/11$2,491

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 November 13, 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 11/26

5:23 am-8:40 am

1 stop20h 17m

Frankfurt am Main

Mon 12/8

9:50 am-10:04 pm

1 stop19h 14m

$606

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Wed 11/26

7:00 am-8:40 am

2 stops18h 40m

Frankfurt am Main

Mon 12/8

10:40 am-5:14 pm

1 stop13h 34m

$611

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Fri 3/27

11:00 am-7:50 am

1 stop14h 50m

Frankfurt am Main

Tue 3/31

2:15 pm-4:42 pm

2 stops33h 27m

$1,217

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Fri 3/27

2:43 pm-10:40 am

2 stops13h 57m

Frankfurt am Main

Tue 3/31

9:15 am-4:50 pm

2 stops14h 35m

$1,228

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sun 3/1

5:23 pm-7:25 am

1 stop31h 02m

$341

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sat 2/28

5:23 pm-7:25 am

1 stop31h 02m

$341

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sun 3/1

6:00 am-10:05 am

3 stops45h 05m

$456

AppletonFrankfurt am Main

ATW - FRA

ATWFRA

Appleton Intl

Sat 2/28

3:10 pm-10:05 am

3 stops59h 55m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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 $618). 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 November 13, 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
8,007 reviews

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.1

Entertainment

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.1

Entertainment

7.9

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
9,017 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.1

Entertainment

7.9

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 Delta can get you from Appleton to Heidelberg in just under 18h 40m. Your travel time can differ by up to 1h 37m. The distance from Appleton to Heidelberg is about 4241 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $618). 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$660Average$777FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$702Average$1,208FlexibilityNo cancel feeOn-time69%

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