HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heidelberg

$511+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — FRA
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Milwaukee to Heidelberg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 2, 2025.

Round-trip from

$700
(Delta)

One-way from

$511
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$858
From Milwaukee-Mitchell to Heidelberg
Search Deals
One-way flight from Milwaukee-Mitchell to Heidelberg
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($230 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 2, 2025.

This Delta deal was found by Cheapflights users on 7/1. 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 8/36:20 amMKE - FRA
2 stops20h 30mDelta
Tue 8/1911:00 amFRA - MKE
1 stop13h 52mDelta
Deal found 7/1$700
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:35 pmMKE - FRA
1 stop14h 25mUnited Airlines
Tue 11/45:10 pmFRA - MKE
2 stops28h 57mUnited Airlines
Deal found 6/30$741
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:45 pmMKE - FRA
1 stop10h 20mLufthansa
Tue 11/410:50 amFRA - MKE
1 stop12h 52mLufthansa
Deal found 6/30$756
This KLM deal was found by Cheapflights users on 7/1. 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.
Thu 10/302:45 pmMKE - FRA
1 stop11h 55mKLM
Tue 11/49:50 amFRA - MKE
1 stop20h 35mKLM
Deal found 7/1$757
This Gotogate deal was found by Cheapflights users on 7/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:00 amMKE - FRA
2 stops17h 10mMultiple Airlines
Sat 8/2310:50 amFRA - MKE
1 stop18h 51mMultiple Airlines
Deal found 7/2$784
This Air Canada deal was found by Cheapflights users on 7/1. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:30 amMKE - FRA
2 stops18h 25mAir Canada
Tue 12/301:40 pmFRA - MKE
2 stops15h 29mAir Canada
Deal found 7/1$875
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:00 amMKE - FRA
1 stop16h 20mAmerican Airlines
Fri 10/249:20 amFRA - MKE
1 stop21h 51mAmerican Airlines
Deal found 7/1$878

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 July 2, 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 8/3

6:20 am-9:50 am

2 stops20h 30m

Frankfurt am Main

Tue 8/19

11:00 am-5:52 pm

1 stop13h 52m

$700

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 10/30

10:53 am-2:00 pm

1 stop21h 07m

Frankfurt am Main

Tue 11/4

5:10 pm-3:07 pm

2 stops28h 57m

$741

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 10/30

2:45 pm-7:05 am

1 stop10h 20m

Frankfurt am Main

Tue 11/4

10:50 am-4:42 pm

1 stop12h 52m

$756

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Thu 10/30

2:45 pm-8:40 am

1 stop11h 55m

Frankfurt am Main

Tue 11/4

9:50 am-11:25 pm

1 stop20h 35m

$757

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Sat 8/16

7:00 am-7:10 am

2 stops17h 10m

Frankfurt am Main

Sat 8/23

10:50 am-10:41 pm

1 stop18h 51m

$784

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 12/23

6:30 am-7:55 am

2 stops18h 25m

Frankfurt am Main

Tue 12/30

1:40 pm-10:09 pm

2 stops15h 29m

$875

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Fri 9/19

8:00 am-7:20 am

1 stop16h 20m

Frankfurt am Main

Fri 10/24

9:20 am-12:11 am

1 stop21h 51m

$878

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 7/15

4:37 pm-9:55 pm

3 stops46h 18m

$511

MilwaukeeFrankfurt am Main

MKE - FRA

MKEFRA

Milwaukee-Mitchell

Tue 7/15

7:05 am-7:20 am

1 stop17h 15m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $1,090). 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 July 2, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, 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
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 1 airline.

  • 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 $1,090). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Milwaukee to Heidelberg

Discover the top airline 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$701Average$922FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.