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$194+ Cheap flights from Greenville to Milwaukee (GSP - MKE)

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MKE
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Greenville to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$287
(Delta)

One-way from

$194
(United Airlines)

Popular in

November

Cheapest in

September

Average price

$296
From Greenville to Milwaukee-Mitchell
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One-way flight from Greenville to Milwaukee-Mitchell
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Highest demand for flights based on searches. 17% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 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 Greenville to Milwaukee

Cheapest flights from Greenville to Milwaukee
Explore the most affordable flight options available from Greenville to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

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 11/107:59 pmGSP - MKE
1 stop4h 57mDelta
Tue 11/115:12 pmMKE - GSP
1 stop5h 43mDelta
Deal found 9/15$287
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:14 pmGSP - MKE
1 stop3h 51mAmerican Airlines
Tue 11/115:00 amMKE - GSP
2 stops5h 26mAmerican Airlines
Deal found 9/15$292
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:45 amGSP - MKE
1 stop7h 27mAmerican Airlines
Wed 11/125:00 amMKE - GSP
2 stops5h 26mAmerican Airlines
Deal found 9/16$293
This Delta deal was found by Cheapflights users on 9/14. 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 10/2310:04 amGSP - MKE
1 stop4h 05mDelta
Mon 10/274:46 pmMKE - GSP
1 stop6h 09mDelta
Deal found 9/14$297
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.
Fri 11/76:35 amGSP - MKE
1 stop3h 51mDelta
Tue 11/116:00 amMKE - GSP
1 stop7h 44mDelta
Deal found 9/15$302
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/712:06 pmGSP - MKE
1 stop4h 03mAmerican Airlines
Tue 11/115:00 amMKE - GSP
2 stops7h 20mAmerican Airlines
Deal found 9/15$307
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 10/245:16 pmGSP - MKE
1 stop4h 26mDelta
Mon 10/271:10 pmMKE - GSP
1 stop3h 31mDelta
Deal found 9/14$312
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 11/25:35 amGSP - MKE
1 stop3h 51mDelta
Tue 11/41:25 pmMKE - GSP
1 stop7h 41mDelta
Deal found 9/14$322
This Delta deal was found by Cheapflights users on 9/14. 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 10/237:52 amGSP - MKE
1 stop6h 17mDelta
Sun 10/264:46 pmMKE - GSP
1 stop4h 32mDelta
Deal found 9/14$332
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:24 pmGSP - MKE
2 stops6h 32mAmerican Airlines
Mon 11/33:25 pmMKE - GSP
1 stop7h 50mAmerican Airlines
Deal found 9/15$337
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:20 amGSP - MKE
2 stops13h 00mSouthwest
Tue 11/116:40 amMKE - GSP
2 stops8h 25mSouthwest
Deal found 9/15$338
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:34 pmGSP - MKE
1 stop5h 22mUnited Airlines
Sun 10/125:00 amMKE - GSP
1 stop5h 46mUnited Airlines
Deal found 9/15$342

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville to Milwaukee 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 16, 2025.
Use the filters below to find and compare flights from Greenville to Milwaukee that are best for you.

Fly from

Greenville

Fly to

Milwaukee

Route

Depart

Return

Price

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 11/6

6:35 am-11:01 am

1 stop5h 26m

Milwaukee-Mitchell

Wed 11/12

6:00 am-1:10 pm

1 stop6h 10m

$287

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Mon 11/10

7:59 pm-11:56 pm

1 stop4h 57m

Milwaukee-Mitchell

Tue 11/11

6:00 am-2:44 pm

1 stop7h 44m

$287

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Mon 11/10

8:14 pm-11:05 pm

1 stop3h 51m

Milwaukee-Mitchell

Tue 11/11

5:00 am-11:26 am

2 stops5h 26m

$292

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 10/25

9:45 am-1:09 pm

1 stop4h 24m

Milwaukee-Mitchell

Mon 10/27

6:44 pm-11:55 pm

1 stop4h 11m

$297

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 11/7

12:06 pm-3:09 pm

1 stop4h 03m

Milwaukee-Mitchell

Tue 11/11

5:00 am-1:20 pm

2 stops7h 20m

$307

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 10/24

5:16 pm-8:42 pm

1 stop4h 26m

Milwaukee-Mitchell

Mon 10/27

1:10 pm-5:41 pm

1 stop3h 31m

$312

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sun 11/2

5:35 am-8:26 am

1 stop3h 51m

Milwaukee-Mitchell

Tue 11/4

1:25 pm-10:06 pm

1 stop7h 41m

$322

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 11/27

9:10 am-3:07 pm

1 stop6h 57m

Milwaukee-Mitchell

Sat 11/29

7:00 pm-2:58 am

1 stop6h 58m

$332

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 11/1

5:30 pm-9:24 pm

1 stop4h 54m

Milwaukee-Mitchell

Mon 11/3

3:25 pm-12:15 am

1 stop7h 50m

$332

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 10/25

11:29 am-4:04 pm

1 stop5h 35m

Milwaukee-Mitchell

Sun 10/26

4:46 pm-11:55 pm

1 stop6h 09m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 results
1
2

Best time to book a flight from Greenville to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Greenville 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 Greenville to Milwaukee

What is the cheapest month to book a flight from Greenville to Milwaukee?

Currently, February is the cheapest month in which you can book a flight from Greenville to Milwaukee (average of $280). Flying from Greenville to Milwaukee in June is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from GSP to MKE?

Find hourly flight availability from Greenville to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Greenville to Milwaukee, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight at noon.

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. 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 Milwaukee. Reviews last updated September 16, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Greenville to Milwaukee 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
7,957 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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
7,957 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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 Greenville to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Greenville to Milwaukee?

    A quick flight from Greenville to Milwaukee can take about 3h 51m. Delta provides one of the quickest options available for as low as $292. Greenville and Milwaukee are separated by a distance of 634 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Greenville to Milwaukee round-trip?

    Currently priced at $168, American Airlines will fly you from Greenville to Milwaukee and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $256. American Airlines is currently priced 59% below the average price you’ll pay for this route.

  • Can I find deals for flights from Greenville to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Greenville to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greenville to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Milwaukee.

  • Can I find deals for business class flights from Greenville to Milwaukee?

    Yes. Cheapflights offers flight deals from Greenville to Milwaukee 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 Greenville to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from Greenville to Milwaukee (average of $280). Flying from Greenville to Milwaukee in June is currently the most expensive (average of $376). 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

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Oak Creek
New Berlin
Wauwatosa

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Top 2 airlines flying from Greenville to Milwaukee

Discover the top 2 airlines that operate flights from Greenville to Milwaukee. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$351FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$378FlexibilityNo cancel feeOn-timeN/A

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