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Heidelberg

$722+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — FRA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$722
(Delta)

Popular in

June

Cheapest in

February

Average price

$894
From Milwaukee-Mitchell to Heidelberg
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($337 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($85 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 9/15. 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.
Mon 9/221:05 pmMKE - FRA
1 stop13h 45mVirgin Atlantic
Thu 11/209:50 amFRA - MKE
1 stop17h 28mVirgin Atlantic
Deal found 9/15$722
This Delta deal was found by Cheapflights users on 9/15. 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 10/305:47 amMKE - FRA
1 stop20h 53mDelta
Tue 11/49:50 amFRA - MKE
1 stop21h 05mDelta
Deal found 9/15$727
This Virgin Atlantic deal was found by Cheapflights users on 9/15. 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 10/302:04 pmMKE - FRA
1 stop12h 36mVirgin Atlantic
Thu 11/610:40 amFRA - MKE
2 stops18h 07mVirgin Atlantic
Deal found 9/15$732
This Delta deal was found by Cheapflights users on 9/15. 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.
Sun 12/1410:25 amMKE - FRA
1 stop15h 15mDelta
Fri 1/99:50 amFRA - MKE
1 stop20h 37mDelta
Deal found 9/15$737
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 12/167:10 amMKE - FRA
2 stops21h 05mDelta
Tue 1/139:50 amFRA - MKE
1 stop20h 37mDelta
Deal found 9/15$741
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 12/156:10 amMKE - FRA
2 stops19h 30mDelta
Fri 1/910:40 amFRA - MKE
2 stops32h 59mDelta
Deal found 9/15$742
This Delta deal was found by Cheapflights users on 9/15. 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.
Sun 12/147:00 amMKE - FRA
2 stops18h 55mDelta
Tue 1/139:50 amFRA - MKE
2 stops31h 21mDelta
Deal found 9/15$745
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 12/167:00 amMKE - FRA
2 stops18h 55mDelta
Fri 1/99:50 amFRA - MKE
1 stop20h 37mDelta
Deal found 9/15$756
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:39 amMKE - FRA
2 stops16h 56mDelta
Fri 10/319:50 amFRA - MKE
2 stops17h 33mDelta
Deal found 9/16$772
This KLM deal was found by Cheapflights users on 9/17. 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.
Sat 11/112:00 pmMKE - FRA
1 stop13h 50mKLM
Sat 11/89:50 amFRA - MKE
1 stop21h 05mKLM
Deal found 9/17$777
This Virgin Atlantic deal was found by Cheapflights users on 9/17. 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 11/112:00 pmMKE - FRA
1 stop13h 50mVirgin Atlantic
Sat 11/89:50 amFRA - MKE
2 stops18h 57mVirgin Atlantic
Deal found 9/17$782
This Virgin Atlantic deal was found by Cheapflights users on 9/15. 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.
Fri 10/101:10 pmMKE - FRA
1 stop13h 40mVirgin Atlantic
Fri 10/1711:00 amFRA - MKE
1 stop13h 55mVirgin Atlantic
Deal found 9/15$812

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 September 17, 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

Mon 9/22

1:05 pm-9:50 am

1 stop13h 45m

Frankfurt am Main

Thu 11/20

9:50 am-8:18 pm

1 stop17h 28m

$722

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 9/23

12:14 pm-8:55 am

1 stop13h 41m

Frankfurt am Main

Thu 11/20

9:50 am-11:56 pm

1 stop21h 06m

$722

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 9/23

9:27 am-8:55 am

2 stops16h 28m

Frankfurt am Main

Thu 11/20

9:50 am-9:21 pm

2 stops18h 31m

$727

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Mon 10/13

7:16 am-9:50 am

1 stop19h 34m

Frankfurt am Main

Fri 10/31

9:50 am-9:23 pm

2 stops17h 33m

$727

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Mon 9/22

9:27 am-8:55 am

2 stops16h 28m

Frankfurt am Main

Thu 11/20

10:40 am-11:56 pm

2 stops20h 16m

$727

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 10/30

2:04 pm-8:40 am

1 stop12h 36m

Frankfurt am Main

Thu 11/6

9:50 am-11:55 pm

1 stop21h 05m

$727

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 10/30

9:39 am-8:40 am

2 stops17h 01m

Frankfurt am Main

Tue 11/4

10:40 am-8:07 pm

1 stop16h 27m

$732

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sun 12/14

10:25 am-8:40 am

1 stop15h 15m

Frankfurt am Main

Fri 1/9

9:50 am-11:27 pm

1 stop20h 37m

$737

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 12/16

7:10 am-11:15 am

2 stops21h 05m

Frankfurt am Main

Tue 1/13

9:50 am-11:27 pm

1 stop20h 37m

$741

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sun 10/26

2:45 pm-2:00 pm

1 stop17h 15m

$5,451

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, 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.

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 September 17, 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
8,926 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Lufthansa
6.8
Okay
7,409 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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?

    Virgin Atlantic and Delta can get you from Milwaukee to Heidelberg in just under 13h 45m. Your travel time can differ by up to 2h 43m. The distance from Milwaukee to Heidelberg is about 4281 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Milwaukee to Heidelberg one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $5,451. Users have also found prices from $5,662 and $6,289 on Delta and Air Canada, respectively.

  • 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$696Average$1,051FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$703Average$922FlexibilityNo cancel feeOn-time69%

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