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Heidelberg

$596+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — FRA
ene. 7 — ene. 141
mié. 1/7
mié. 1/14
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 diciembre 8, 2025.

This Delta deal was found by Cheapflights users on 12/7. 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.
mié. 12/3110:28 amMKE - FRA
1 stop15h 12mDelta
lun. 1/126:55 amFRA - MKE
2 stops21h 03mDelta
Deal found 12/7$798
This Delta deal was found by Cheapflights users on 12/7. 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.
jue. 12/255:40 amMKE - FRA
1 stop20h 00mDelta
lun. 1/1210:40 amFRA - MKE
1 stop29h 13mDelta
Deal found 12/7$800
This Delta deal was found by Cheapflights users on 12/7. 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.
mié. 12/316:25 amMKE - FRA
2 stops18h 25mDelta
dom. 1/1110:40 amFRA - MKE
2 stops19h 48mDelta
Deal found 12/7$852
This Delta deal was found by Cheapflights users on 12/7. 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.
mié. 12/316:25 amMKE - FRA
2 stops18h 25mDelta
jue. 1/810:40 amFRA - MKE
2 stops17h 14mDelta
Deal found 12/7$941
This Delta deal was found by Cheapflights users on 12/7. 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.
lun. 12/296:25 amMKE - FRA
2 stops18h 25mDelta
lun. 1/126:55 amFRA - MKE
2 stops21h 03mDelta
Deal found 12/7$973
This Delta deal was found by Cheapflights users on 12/8. 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.
mar. 12/306:15 pmMKE - FRA
2 stops15h 30mDelta
lun. 1/126:55 amFRA - MKE
2 stops21h 03mDelta
Deal found 12/8$977
This Priceline deal was found by Cheapflights users on 12/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/811:16 amMKE - FRA
2 stops39h 49mAer Lingus
lun. 12/1510:45 amFRA - MKE
2 stops19h 20mAer Lingus
Deal found 12/7$1,031
This Delta deal was found by Cheapflights users on 12/7. 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.
vie. 12/269:29 amMKE - FRA
1 stop15h 21mDelta
lun. 1/126:55 amFRA - MKE
2 stops21h 03mDelta
Deal found 12/7$1,128
This Flysmarter deal was found by Cheapflights users on 12/7. 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.
dom. 12/286:15 pmMKE - FRA
1 stop30h 35mMultiple Airlines
vie. 1/99:50 amFRA - MKE
1 stop20h 38mMultiple Airlines
Deal found 12/7$1,213
This Delta deal was found by Cheapflights users on 12/7. 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.
dom. 12/287:25 amMKE - FRA
1 stop18h 15mDelta
mié. 1/710:40 amFRA - MKE
1 stop12h 46mDelta
Deal found 12/7$1,219
This Delta deal was found by Cheapflights users on 12/7. 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.
jue. 12/257:25 amMKE - FRA
1 stop18h 15mDelta
vie. 1/99:50 amFRA - MKE
1 stop17h 08mDelta
Deal found 12/7$1,224

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 diciembre 8, 2025.

Round-trip from

$596
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$990
From Milwaukee-Mitchell to Heidelberg
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($296 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($86 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 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 diciembre 8, 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

jue. 1/22

7:05 am-7:50 am

1 stop17h 45m

Frankfurt am Main

jue. 1/29

9:50 am-5:34 pm

1 stop14h 44m

$602

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

jue. 1/15

7:05 am-7:50 am

1 stop17h 45m

Frankfurt am Main

jue. 1/22

6:55 am-8:58 pm

2 stops21h 03m

$608

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

vie. 1/16

9:33 am-7:50 am

1 stop15h 17m

Frankfurt am Main

lun. 1/26

6:55 am-8:58 pm

2 stops21h 03m

$608

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

jue. 1/8

11:15 am-7:50 am

1 stop13h 35m

Frankfurt am Main

mar. 2/10

6:55 am-9:30 pm

2 stops21h 35m

$608

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

jue. 1/15

10:14 am-8:40 am

1 stop15h 26m

Frankfurt am Main

vie. 1/23

6:55 am-9:30 pm

2 stops21h 35m

$608

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

sáb. 1/17

7:00 am-8:40 am

1 stop18h 40m

Frankfurt am Main

lun. 1/26

10:15 am-8:58 pm

2 stops17h 43m

$608

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

mar. 1/20

7:05 am-7:50 am

1 stop17h 45m

Frankfurt am Main

lun. 1/26

6:55 am-4:16 pm

2 stops16h 21m

$608

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

vie. 1/16

10:14 am-8:40 am

1 stop15h 26m

Frankfurt am Main

jue. 1/22

10:15 am-8:58 pm

2 stops17h 43m

$608

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

jue. 1/15

10:14 am-8:40 am

1 stop15h 26m

Frankfurt am Main

mar. 1/20

10:15 am-8:54 pm

2 stops17h 39m

$608

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

jue. 1/15

7:05 am-7:50 am

1 stop17h 45m

Frankfurt am Main

sáb. 1/24

10:15 am-8:54 pm

2 stops17h 39m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 12 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.

How much does it cost to fly round-trip from Milwaukee to Heidelberg?

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 diciembre 8, 2025.
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
8,011 reviews

Overall

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.3

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.3

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
9,089 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.3

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 17h 45m. 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, 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 diciembre 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$703Average$922FlexibilityNo cancel feeOn-time69%
DeltaCheapest$808Average$986FlexibilityNo cancel feeOn-timeN/A

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