$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 16 — Mar 231
1 adult, Economy
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Cheapest flights from Milwaukee to HeidelbergExplore 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 14, 2026.
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 14, 2026.
This KLM deal was found by Cheapflights users on 2/10. 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.
Wed 3/111:15 pm
MKE
- FRA
1 stop12h 35m
KLM
Wed 3/186:55 am
FRA
- MKE
2 stops15h 11m
KLM
Deal found 2/10![KLM logo]()
$611
This KLM deal was found by Cheapflights users on 2/10. 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.
Wed 3/111:21 pm
MKE
- FRA
1 stop13h 19m
KLM
Mon 3/169:50 am
FRA
- MKE
1 stop13h 51m
KLM
Deal found 2/10![KLM logo]()
$612
This KLM deal was found by Cheapflights users on 2/10. 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 5/25:33 pm
MKE
- FRA
1 stop32h 22m
KLM
Fri 5/1511:45 am
FRA
- MKE
2 stops14h 54m
KLM
Deal found 2/10![KLM logo]()
$615
This Delta deal was found by Cheapflights users on 2/10. 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 3/101:15 pm
MKE
- FRA
2 stops13h 25m
Delta
Wed 3/186:55 am
FRA
- MKE
2 stops19h 11m
Delta
Deal found 2/10![Delta logo]()
$616
This KLM deal was found by Cheapflights users on 2/10. 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.
Tue 3/104:48 pm
MKE
- FRA
2 stops14h 52m
KLM
Thu 3/1910:15 am
FRA
- MKE
2 stops16h 40m
KLM
Deal found 2/10![KLM logo]()
$621
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![KLM logo]()
$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![Multiple Airlines logo]()
$651
This Delta deal was found by Cheapflights users on 2/14. 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 4/201:55 pm
MKE
- FRA
1 stop12h 55m
Delta
Mon 4/277:00 am
FRA
- MKE
2 stops17h 58m
Delta
Deal found 2/14![Delta logo]()
$660
This Delta deal was found by Cheapflights users on 2/14. 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 4/1612:32 pm
MKE
- FRA
1 stop13h 23m
Delta
Fri 5/17:00 am
FRA
- MKE
2 stops17h 51m
Delta
Deal found 2/14![Delta logo]()
$661
This KLM deal was found by Cheapflights users on 2/14. 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 4/1610:11 am
MKE
- FRA
1 stop15h 44m
KLM
Fri 5/111:50 am
FRA
- MKE
1 stop15h 35m
KLM
Deal found 2/14![KLM logo]()
$663
This Delta deal was found by Cheapflights users on 2/10. 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 5/28:00 am
MKE
- FRA
2 stops18h 50m
Delta
Fri 5/157:00 am
FRA
- MKE
2 stops16h 06m
Delta
Deal found 2/10![Delta logo]()
$664
Best flights from Milwaukee to HeidelbergDiscover carefully curated flight deals from Milwaukee to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 14, 2026.
Discover carefully curated flight deals from Milwaukee to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 14, 2026.
This KLM deal was found by Cheapflights users on 2/10. 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.
Wed 3/111:15 pm
MKE
- FRA
1 stop12h 35m
KLM
Mon 3/1610:15 am
FRA
- MKE
2 stops15h 51m
KLM
Deal found 2/10![KLM logo]()
$611
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 3/119:21 am
MKE
- FRA
2 stops16h 29m
Delta
Thu 3/1910:15 am
FRA
- MKE
2 stops16h 25m
Delta
Deal found 2/10![Delta logo]()
$616
This Virgin Atlantic deal was found by Cheapflights users on 2/14. 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 4/201:55 pm
MKE
- FRA
1 stop12h 55m
Virgin Atlantic
Mon 4/2711:00 am
FRA
- MKE
1 stop12h 22m
Virgin Atlantic
Deal found 2/14![Virgin Atlantic logo]()
$663
This KLM deal was found by Cheapflights users on 2/10. 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 5/25:33 pm
MKE
- FRA
1 stop32h 22m
KLM
Fri 5/1511:45 am
FRA
- MKE
2 stops14h 54m
KLM
Deal found 2/10![KLM logo]()
$615
This Delta deal was found by Cheapflights users on 2/10. 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 3/101:15 pm
MKE
- FRA
2 stops13h 25m
Delta
Wed 3/186:55 am
FRA
- MKE
2 stops19h 11m
Delta
Deal found 2/10![Delta logo]()
$616
This KLM deal was found by Cheapflights users on 2/10. 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.
Tue 3/104:48 pm
MKE
- FRA
2 stops14h 52m
KLM
Thu 3/1910:15 am
FRA
- MKE
2 stops16h 40m
KLM
Deal found 2/10![KLM logo]()
$621
This Delta deal was found by Cheapflights users on 2/14. 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 4/201:55 pm
MKE
- FRA
1 stop12h 55m
Delta
Mon 4/277:00 am
FRA
- MKE
2 stops17h 58m
Delta
Deal found 2/14![Delta logo]()
$660
This KLM deal was found by Cheapflights users on 2/10. 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.
Tue 3/106:33 pm
MKE
- FRA
2 stops13h 07m
KLM
Tue 3/1710:15 am
FRA
- MKE
2 stops16h 25m
KLM
Deal found 2/10![KLM logo]()
$621
This Delta deal was found by Cheapflights users on 2/10. 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 5/28:00 am
MKE
- FRA
2 stops18h 50m
Delta
Fri 5/157:00 am
FRA
- MKE
2 stops16h 06m
Delta
Deal found 2/10![Delta logo]()
$664
This KLM deal was found by Cheapflights users on 2/14. 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 4/1610:11 am
MKE
- FRA
1 stop15h 44m
KLM
Fri 5/111:50 am
FRA
- MKE
1 stop15h 35m
KLM
Deal found 2/14![KLM logo]()
$663
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.
Wed 4/1512:32 pm
MKE
- FRA
1 stop13h 23m
Delta
Tue 4/217:00 am
FRA
- MKE
2 stops20h 08m
Delta
Deal found 2/13![Delta logo]()
$706
Last-minute flights from Milwaukee to HeidelbergDiscover last-minute flight deals from Milwaukee to Heidelberg. Data last updated February 14, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Heidelberg. Data last updated February 14, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 2/10. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:15 pm
MKE
- FRA
1 stop12h 35m
Multiple Airlines
Wed 3/1810:15 am
FRA
- MKE
2 stops15h 51m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$808
This Delta deal was found by Cheapflights users on 2/10. 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 3/91:15 pm
MKE
- FRA
2 stops13h 25m
Delta
Tue 3/1710:15 am
FRA
- MKE
2 stops16h 25m
Delta
Deal found 2/10![Delta logo]()
$813
This Delta deal was found by Cheapflights users on 2/10. 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 3/101:15 pm
MKE
- FRA
2 stops13h 25m
Delta
Wed 3/186:55 am
FRA
- MKE
2 stops19h 11m
Delta
Deal found 2/10![Delta logo]()
$616
This KLM deal was found by Cheapflights users on 2/10. 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.
Tue 3/106:33 pm
MKE
- FRA
2 stops13h 07m
KLM
Tue 3/1710:15 am
FRA
- MKE
2 stops16h 25m
KLM
Deal found 2/10![KLM logo]()
$621
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 3/101:21 pm
MKE
- FRA
1 stop13h 19m
Virgin Atlantic
Thu 3/199:50 am
FRA
- MKE
1 stop20h 08m
Virgin Atlantic
Deal found 2/13![Virgin Atlantic logo]()
$810
This KLM deal was found by Cheapflights users on 2/10. 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.
Wed 3/111:15 pm
MKE
- FRA
1 stop12h 35m
KLM
Mon 3/1610:15 am
FRA
- MKE
2 stops15h 51m
KLM
Deal found 2/10![KLM logo]()
$611
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 3/116:45 am
MKE
- FRA
2 stops19h 55m
Delta
Mon 3/166:55 am
FRA
- MKE
2 stops17h 45m
Delta
Deal found 2/10![Delta logo]()
$739
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![KLM logo]()
$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![Multiple Airlines logo]()
$651
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![Delta logo]()
$671
One-way flights from Milwaukee to HeidelbergSearch for one-way flight options from Milwaukee to Heidelberg. Find affordable one-way fares based on user searches. Data last updated February 14, 2026.
Search for one-way flight options from Milwaukee to Heidelberg. Find affordable one-way fares based on user searches. Data last updated February 14, 2026.
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.
Tue 6/307:00 am
MKE
- FRA
1 stop18h 55m
Delta
Deal found 2/13![Delta logo]()
$357
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.
Mon 6/296:25 pm
MKE
- FRA
2 stops12h 55m
Delta
Deal found 2/13![Delta logo]()
$362
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.
Sat 7/45:00 pm
MKE
- FRA
2 stops32h 40m
Delta
Deal found 2/13![Delta logo]()
$363
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 6/286:25 pm
MKE
- FRA
1 stop32h 25m
Delta
Deal found 2/13![Delta logo]()
$369
This oojo deal was found by Cheapflights users on 2/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:01 am
MKE
- FRA
2 stops20h 14m
Aer Lingus
Deal found 2/11![Aer Lingus logo]()
$373
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.
Wed 7/11:00 pm
MKE
- FRA
2 stops21h 45m
Delta
Deal found 2/13![Delta logo]()
$405
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.
Thu 7/212:00 pm
MKE
- FRA
2 stops14h 50m
Delta
Deal found 2/13![Delta logo]()
$427
This KLM deal was found by Cheapflights users on 2/12. 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.
Wed 7/16:25 pm
MKE
- FRA
1 stop32h 25m
KLM
Deal found 2/12![KLM logo]()
$439
This Virgin Atlantic deal was found by Cheapflights users on 2/11. 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 4/131:54 pm
MKE
- FRA
1 stop12h 56m
Virgin Atlantic
Deal found 2/11![Virgin Atlantic logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:26 pm
MKE
- FRA
3 stops34h 14m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$506
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/12. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:41 am
MKE
- FRA
2 stops19h 49m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$628
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 14, 2026.
Round-trip from | $611 (KLM) |
|---|---|
One-way from | $357 (Delta) |
Popular in | March |
Cheapest in | February |
Average price | $610 |
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 14, 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
Wed 3/11
1:15 pm-7:50 am
1 stop12h 35m
Frankfurt am Main
Mon 3/16
10:15 am-8:06 pm
2 stops15h 51m
$611
MilwaukeeFrankfurt am Main
MKE - FRA
MKEFRA
Milwaukee-Mitchell
Sat 5/2
5:33 pm-8:55 am
1 stop32h 22m
Frankfurt am Main
Fri 5/15
11:45 am-7:39 pm
2 stops14h 54m
$615
MilwaukeeFrankfurt am Main
MKE - FRA
MKEFRA
Milwaukee-Mitchell
Wed 3/11
9:21 am-7:50 am
2 stops16h 29m
Frankfurt am Main
Thu 3/19
10:15 am-8:40 pm
2 stops16h 25m
$616
MilwaukeeFrankfurt am Main
MKE - FRA
MKEFRA
Milwaukee-Mitchell
Tue 3/10
1:15 pm-8:40 am
2 stops13h 25m
Frankfurt am Main
Wed 3/18
6:55 am-8:06 pm
2 stops19h 11m
$616
MilwaukeeFrankfurt am Main
MKE - FRA
MKEFRA
Milwaukee-Mitchell
Tue 3/10
4:48 pm-1:40 pm
2 stops14h 52m
Frankfurt am Main
Thu 3/19
10:15 am-8:55 pm
2 stops16h 40m
$621
MilwaukeeFrankfurt am Main
MKE - FRA
MKEFRA
Milwaukee-Mitchell
Tue 3/10
6:33 pm-1:40 pm
2 stops13h 07m
Frankfurt am Main
Tue 3/17
10:15 am-8:40 pm
2 stops16h 25m
$621
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
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
Sat 5/2
8:00 am-9:50 am
2 stops18h 50m
Frankfurt am Main
Fri 5/15
7:00 am-4:06 pm
2 stops16h 06m
$664
Showing 1-10 of 19 results
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.
MKE-FRA
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
MKE-HE1
MKE-FRA
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 14, 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.
Comfort
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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Alternative routes for Milwaukee to Heidelberg
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Complete your trip
Complete your trip to Heidelberg by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Milwaukee to Heidelberg by cabin class
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Milwaukee and Heidelberg flights
Browse other Milwaukee and Heidelberg flight options. Last updated on February 14, 2026.
Other flights from Milwaukee
Browse through other flights departing from Milwaukee. Flights are based on user searches made on Cheapflights and were last updated on February 14, 2026.
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Milwaukee to Heidelberg flights
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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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$703 | Average$905 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$851 | Average$1,023 | FlexibilityNo cancel fee | On-timeN/A |