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Heidelberg

$383+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — FRA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This lastminute.com deal was found by Cheapflights users on 1/19. 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 3/512:20 pm
MKE
-
FRA
1 stop13h 20m
Virgin Atlantic
Thu 3/1210:40 am
FRA
-
MKE
2 stops16h 00m
Virgin Atlantic
Deal found 1/19$592
This Flysmarter deal was found by Cheapflights users on 1/19. 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.
Thu 3/57:05 am
MKE
-
FRA
1 stop18h 35m
KLM
Thu 3/129:50 am
FRA
-
MKE
1 stop13h 51m
KLM
Deal found 1/19$593
This Flysmarter deal was found by Cheapflights users on 1/20. 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.
Thu 2/1912:20 pm
MKE
-
FRA
1 stop13h 20m
KLM
Wed 3/410:15 am
FRA
-
MKE
2 stops16h 58m
KLM
Deal found 1/20$596
This Delta deal was found by Cheapflights users on 1/19. 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 3/55:23 am
MKE
-
FRA
2 stops19h 27m
Delta
Thu 3/126:55 am
FRA
-
MKE
2 stops17h 45m
Delta
Deal found 1/19$613
This Delta deal was found by Cheapflights users on 1/21. 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.
Sat 3/76:40 am
MKE
-
FRA
2 stops19h 00m
Delta
Sat 3/1410:40 am
FRA
-
MKE
1 stop16h 00m
Delta
Deal found 1/21$614
This KLM deal was found by Cheapflights users on 1/20. 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.
Sun 5/101:00 pm
MKE
-
FRA
1 stop13h 50m
KLM
Sat 5/2311:50 am
FRA
-
MKE
1 stop15h 19m
KLM
Deal found 1/20$747
This Delta deal was found by Cheapflights users on 1/20. 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 5/107:00 am
MKE
-
FRA
2 stops18h 40m
Delta
Sat 5/2311:50 am
FRA
-
MKE
1 stop15h 19m
Delta
Deal found 1/20$752

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 January 21, 2026.

Round-trip from

$596
(Flysmarter)

One-way from

$383
(Priceline)

Popular in

June

Cheapest in

February

Average price

$824
From Milwaukee-Mitchell to Heidelberg
Search Deals
One-way flight from Milwaukee-Mitchell to Heidelberg
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($190 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 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

Thu 2/19

5:03 pm-7:50 am

1 stop31h 47m

Frankfurt am Main

Wed 3/4

10:40 am-4:08 pm

1 stop12h 28m

$596

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 3/5

7:05 am-8:40 am

1 stop18h 35m

Frankfurt am Main

Thu 3/12

10:15 am-8:40 pm

2 stops16h 25m

$608

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 3/5

12:20 pm-8:40 am

1 stop13h 20m

Frankfurt am Main

Thu 3/12

9:50 am-5:41 pm

1 stop13h 51m

$610

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 3/5

5:23 am-7:50 am

2 stops19h 27m

Frankfurt am Main

Thu 3/12

6:55 am-6:40 pm

2 stops17h 45m

$613

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sat 3/7

6:40 am-8:40 am

2 stops19h 00m

Frankfurt am Main

Sat 3/14

10:40 am-8:39 am

2 stops27h 59m

$714

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sun 5/10

9:10 am-9:50 am

2 stops17h 40m

Frankfurt am Main

Sat 5/23

11:00 am-9:05 pm

1 stop17h 05m

$752

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sun 5/10

1:00 pm-9:50 am

1 stop13h 50m

Frankfurt am Main

Sat 5/23

11:00 am-9:05 pm

1 stop17h 05m

$804

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 2/19

7:00 am-2:30 pm

2 stops24h 30m

Frankfurt am Main

Wed 3/4

6:55 am-8:36 pm

3 stops20h 41m

$888

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sun 3/15

4:47 pm-10:05 am

2 stops35h 18m

$383

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sun 3/15

10:09 am-8:40 am

1 stop16h 31m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 11 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 January 21, 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
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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
8,088 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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
9,191 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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 Virgin Atlantic can get you from Milwaukee to Heidelberg in just under 13h 20m. Your travel time can differ by up to 18h 27m. 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$703Average$922FlexibilityNo cancel feeOn-time69%
DeltaCheapest$851Average$1,023FlexibilityNo cancel feeOn-timeN/A

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