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Heidelberg

$357+ Cheap flights from Milwaukee (MKE) 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — FRA
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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Cheap 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 February 17, 2026.

This AirNGo deal was found by Cheapflights users on 2/16. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/121:15 pm
MKE
-
FRA
1 stop13h 35m
Virgin Atlantic
Tue 4/2810:40 am
FRA
-
MKE
1 stop16h 55m
Virgin Atlantic
Deal found 2/16$546
This Flysmarter deal was found by Cheapflights users on 2/13. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:00 am
MKE
-
FRA
1 stop18h 50m
KLM
Tue 3/3111:00 am
FRA
-
MKE
1 stop12h 06m
KLM
Deal found 2/13$645
This Flysmarter deal was found by Cheapflights users on 2/13. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:00 am
MKE
-
FRA
1 stop18h 50m
Multiple Airlines
Tue 3/3112:10 pm
FRA
-
MKE
2 stops15h 30m
Multiple Airlines
Deal found 2/13$651
This Delta deal was found by Cheapflights users on 2/15. 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.
Thu 4/165:30 am
MKE
-
FRA
1 stop20h 25m
Delta
Tue 5/57:00 am
FRA
-
MKE
2 stops16h 22m
Delta
Deal found 2/15$660
This Delta deal was found by Cheapflights users on 2/15. 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.
Thu 4/1612:33 pm
MKE
-
FRA
1 stop13h 22m
Delta
Fri 5/12:15 pm
FRA
-
MKE
2 stops16h 42m
Delta
Deal found 2/15$661
This Virgin Atlantic deal was found by Cheapflights users on 2/15. 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.
Thu 4/1612:33 pm
MKE
-
FRA
1 stop13h 22m
Virgin Atlantic
Fri 5/111:00 am
FRA
-
MKE
2 stops18h 46m
Virgin Atlantic
Deal found 2/15$667
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:45 am
MKE
-
FRA
2 stops19h 05m
Delta
Tue 3/319:45 am
FRA
-
MKE
2 stops17h 55m
Delta
Deal found 2/13$671
This Virgin Atlantic deal was found by Cheapflights users on 2/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:20 am
MKE
-
FRA
1 stop17h 30m
Virgin Atlantic
Fri 10/1611:00 am
FRA
-
MKE
1 stop12h 07m
Virgin Atlantic
Deal found 2/13$708
This Delta deal was found by Cheapflights users on 2/15. 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.
Thu 4/165:30 am
MKE
-
FRA
1 stop20h 25m
Delta
Sat 5/27:00 am
FRA
-
MKE
2 stops20h 08m
Delta
Deal found 2/15$710

Find flight deals from Milwaukee to Heidelberg

Keep the following information in mind while searching for Milwaukee to Heidelberg flight deals. Data was last updated February 17, 2026.

Round-trip from

$546
(AirNGo)

One-way from

$357
(Delta)

Popular in

March

Cheapest in

February

Average price

$610
From Milwaukee-Mitchell to Heidelberg
Search Deals
One-way flight from Milwaukee-Mitchell to Heidelberg
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 17, 2026.
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 3/15

7:00 am-7:50 am

1 stop18h 50m

Frankfurt am Main

Tue 3/31

11:00 am-4:06 pm

1 stop12h 06m

$645

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sun 3/15

7:00 am-7:50 am

1 stop18h 50m

Frankfurt am Main

Tue 3/31

12:10 pm-8:40 pm

2 stops15h 30m

$651

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Mon 4/20

1:55 pm-9:50 am

1 stop12h 55m

Frankfurt am Main

Mon 4/27

7:00 am-5:58 pm

2 stops17h 58m

$660

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 4/16

5:30 am-8:55 am

1 stop20h 25m

Frankfurt am Main

Tue 5/5

7:00 am-4:22 pm

2 stops16h 22m

$660

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 4/16

12:32 pm-8:55 am

1 stop13h 23m

Frankfurt am Main

Fri 5/1

7:00 am-5:51 pm

2 stops17h 51m

$661

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Mon 4/20

1:55 pm-9:50 am

1 stop12h 55m

Frankfurt am Main

Mon 4/27

11:00 am-4:22 pm

1 stop12h 22m

$663

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 4/16

10:11 am-8:55 am

1 stop15h 44m

Frankfurt am Main

Fri 5/1

11:50 am-8:25 pm

1 stop15h 35m

$663

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 4/16

9:35 am-9:50 am

1 stop17h 15m

Frankfurt am Main

Fri 5/1

11:00 am-5:58 pm

1 stop13h 58m

$663

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sun 3/15

6:45 am-7:50 am

2 stops19h 05m

Frankfurt am Main

Tue 3/31

9:45 am-8:40 pm

2 stops17h 55m

$671

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Mon 6/29

9:20 am-9:50 am

1 stop17h 30m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 16 results
1
2

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, February is the cheapest month in which you can book a flight from Milwaukee to Heidelberg (average of $461). Flying from Milwaukee to Heidelberg in June is currently the most expensive (average of $754). 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 February 17, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines 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.
Delta
7.9
Good
8,206 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

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
8,206 reviews
Delta
7.9
Good
8,206 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

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
9,308 reviews
Delta
7.9
Good
8,206 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

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 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?

    KLM and Delta can get you from Milwaukee to Heidelberg in just under 12h 55m. Your travel time can differ by up to 5h 55m. The distance from Milwaukee to Heidelberg is about 4281 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, February is the cheapest month in which you can book a flight from Milwaukee to Heidelberg (average of $461). Flying from Milwaukee to Heidelberg in June is currently the most expensive (average of $754). 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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$703Average$905FlexibilityNo cancel feeOn-time69%
DeltaCheapest$851Average$1,023FlexibilityNo cancel feeOn-timeN/A

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