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Heidelberg

$703+ Cheap flights from Milwaukee (MKE) 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — FRA
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
1 adult, Economy
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Cheap flight deals from Milwaukee to Heidelberg

Keep the following information in mind while searching for Milwaukee to Heidelberg flight deals. Data was last updated August 28, 2025.

Round-trip from

$703
(lastminute.com)

Popular in

June

Cheapest in

February

Average price

$1,203
From Milwaukee-Mitchell to Heidelberg
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($291 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($81 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Milwaukee to Heidelberg

Cheapest flights from Milwaukee to Heidelberg
Explore the most affordable flight options available from Milwaukee to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2025.

This lastminute.com deal was found by Cheapflights users on 8/28. 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.
Sun 10/191:10 pmMKE - FRA
1 stop13h 40mVirgin Atlantic
Tue 11/49:50 amFRA - MKE
1 stop17h 52mVirgin Atlantic
Deal found 8/28$703
This Delta deal was found by Cheapflights users on 8/27. 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.
Tue 11/257:00 amMKE - FRA
1 stop18h 40mDelta
Thu 12/49:50 amFRA - MKE
1 stop32h 23mDelta
Deal found 8/27$716
This Delta deal was found by Cheapflights users on 8/28. 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.
Tue 10/1410:35 amMKE - FRA
1 stop15h 20mDelta
Wed 11/1210:40 amFRA - MKE
1 stop12h 34mDelta
Deal found 8/28$726
This Delta deal was found by Cheapflights users on 8/28. 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 10/82:04 pmMKE - FRA
1 stop11h 51mDelta
Thu 11/610:40 amFRA - MKE
2 stops20h 15mDelta
Deal found 8/28$731
This Delta deal was found by Cheapflights users on 8/28. 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.
Mon 10/66:35 pmMKE - FRA
1 stop32h 15mDelta
Thu 11/610:40 amFRA - MKE
1 stop16h 27mDelta
Deal found 8/28$732
This Delta deal was found by Cheapflights users on 8/27. 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 amMKE - FRA
2 stops18h 55mDelta
Thu 12/410:40 amFRA - MKE
1 stop16h 27mDelta
Deal found 8/27$734
This Delta deal was found by Cheapflights users on 8/27. 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.
Tue 11/254:59 pmMKE - FRA
1 stop31h 51mDelta
Tue 12/99:40 amFRA - MKE
2 stops18h 28mDelta
Deal found 8/27$736
This Air France deal was found by Cheapflights users on 8/28. 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.
Tue 11/410:21 amMKE - FRA
1 stop15h 19mAir France
Wed 12/37:05 amFRA - MKE
2 stops16h 02mAir France
Deal found 8/28$746
This KLM deal was found by Cheapflights users on 8/28. 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.
Mon 10/66:35 pmMKE - FRA
1 stop32h 15mMultiple Airlines
Wed 11/57:05 amFRA - MKE
2 stops15h 59mMultiple Airlines
Deal found 8/28$751
This Delta deal was found by Cheapflights users on 8/27. 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 amMKE - FRA
2 stops18h 55mDelta
Wed 12/37:05 amFRA - MKE
2 stops16h 38mDelta
Deal found 8/27$754
This Delta deal was found by Cheapflights users on 8/27. 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 amMKE - FRA
2 stops18h 55mDelta
Tue 12/97:05 amFRA - MKE
2 stops21h 03mDelta
Deal found 8/27$755

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee 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 August 28, 2025.
Use the filters below to find and compare flights from Milwaukee to Heidelberg that are best for you.

Fly from

Milwaukee

Fly to

Heidelberg

Route

Depart

Return

Price

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sun 10/19

2:04 pm-8:55 am

1 stop11h 51m

Frankfurt am Main

Tue 11/4

10:40 am-9:47 pm

2 stops18h 07m

$716

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Wed 11/26

9:36 am-7:50 am

1 stop15h 14m

Frankfurt am Main

Fri 12/5

10:40 am-8:44 am

1 stop29h 04m

$716

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Wed 11/26

9:36 am-7:50 am

1 stop15h 14m

Frankfurt am Main

Tue 12/9

9:50 am-7:03 pm

1 stop16h 13m

$716

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 11/25

4:59 pm-7:50 am

1 stop31h 51m

Frankfurt am Main

Tue 12/9

9:50 am-11:25 pm

1 stop20h 35m

$716

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 11/25

11:37 am-8:40 am

1 stop14h 03m

Frankfurt am Main

Fri 12/5

10:40 am-8:44 am

1 stop29h 04m

$716

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 11/25

4:59 pm-7:50 am

1 stop31h 51m

Frankfurt am Main

Wed 12/3

10:40 am-9:08 pm

1 stop17h 28m

$716

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 11/25

7:00 am-8:40 am

1 stop18h 40m

Frankfurt am Main

Thu 12/4

9:50 am-11:13 am

1 stop32h 23m

$716

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Wed 11/26

7:12 am-7:50 am

1 stop17h 38m

Frankfurt am Main

Wed 12/3

10:40 am-4:07 pm

1 stop12h 27m

$716

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Wed 11/26

7:12 am-7:50 am

1 stop17h 38m

Frankfurt am Main

Thu 12/4

9:50 am-11:13 am

1 stop32h 23m

$716

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Wed 11/5

10:21 am-8:40 am

1 stop15h 19m

Frankfurt am Main

Thu 12/4

9:50 am-7:03 pm

1 stop16h 13m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/27

Showing 1-10 of 21 results
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2
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Best time to book a flight from Milwaukee to Heidelberg

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

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

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

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 August 28, 2025.
Peruse reviews from past customers who have flown with United Airlines and Lufthansa from Milwaukee to Heidelberg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,944 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

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
8,944 reviews
United Airlines
7.4
Good
8,944 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

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??
Lufthansa
6.8
Okay
7,368 reviews
United Airlines
7.4
Good
8,944 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

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 Milwaukee 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 Milwaukee to Heidelberg?

    If you book a flight to Heidelberg from Milwaukee, you will be flying from Milwaukee-Mitchell, which is the city’s only airport. Milwaukee-Mitchell (MKE) is located 6.4 mi from the center of Milwaukee. There are 0 flights from Milwaukee-Mitchell to Heidelberg per day from 2 different airlines.

  • How long is the flight from Milwaukee to Heidelberg?

    Delta can get you from Milwaukee to Heidelberg in just under 11h 51m. Your travel time can differ by up to . The distance from Milwaukee to Heidelberg is about 4281 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Milwaukee to Heidelberg (average of $729). Flying from Milwaukee 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 2 airlines flying from Milwaukee to Heidelberg

Discover the top 2 airlines that operate flights from Milwaukee 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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$696Average$1,051FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$701Average$922FlexibilityNo cancel feeOn-time69%

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