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$144+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MKE
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
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 August 11, 2025.

Round-trip from

$223
(American Airlines)

One-way from

$144
(Delta)

Popular in

February

Cheapest in

September

Average price

$473
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. 7% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 11, 2025.

This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:38 pmGSP - MKE
1 stop4h 22mAmerican Airlines
Sat 9/276:00 amMKE - GSP
1 stop5h 28mAmerican Airlines
Deal found 8/10$223
This Delta deal was found by Cheapflights users on 8/10. 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 9/611:17 amGSP - MKE
1 stop5h 51mDelta
Tue 9/95:35 pmMKE - GSP
1 stop4h 59mDelta
Deal found 8/10$227
This Delta deal was found by Cheapflights users on 8/9. 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 9/83:20 pmGSP - MKE
1 stop6h 59mDelta
Mon 9/154:46 pmMKE - GSP
1 stop4h 41mDelta
Deal found 8/9$237
This Southwest deal was found by Cheapflights users on 8/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:25 pmGSP - MKE
2 stops8h 00mSouthwest
Sat 9/271:10 pmMKE - GSP
1 stop3h 40mSouthwest
Deal found 8/10$242
This American Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 9/167:44 pmGSP - MKE
1 stop4h 46mAmerican Airlines
Thu 9/185:26 amMKE - GSP
1 stop4h 29mAmerican Airlines
Deal found 8/9$254
This Delta deal was found by Cheapflights users on 8/10. 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 9/245:30 amGSP - MKE
1 stop6h 37mDelta
Sun 9/285:40 amMKE - GSP
1 stop4h 44mDelta
Deal found 8/10$272
This Delta deal was found by Cheapflights users on 8/10. 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 10/411:24 amGSP - MKE
1 stop6h 16mDelta
Sun 10/57:05 amMKE - GSP
1 stop5h 23mDelta
Deal found 8/10$282
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:05 amGSP - MKE
2 stops8h 59mAmerican Airlines
Tue 9/96:19 amMKE - GSP
1 stop3h 37mAmerican Airlines
Deal found 8/10$298
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:20 pmGSP - MKE
1 stop6h 40mAmerican Airlines
Mon 9/85:26 amMKE - GSP
1 stop4h 29mAmerican Airlines
Deal found 8/10$302

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 August 11, 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

Wed 9/24

7:38 pm-11:00 pm

1 stop4h 22m

Milwaukee-Mitchell

Sat 9/27

6:00 am-12:28 pm

1 stop5h 28m

$223

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 9/6

11:17 am-4:08 pm

1 stop5h 51m

Milwaukee-Mitchell

Tue 9/9

5:35 pm-11:34 pm

1 stop4h 59m

$227

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Mon 9/8

3:20 pm-9:19 pm

1 stop6h 59m

Milwaukee-Mitchell

Mon 9/15

4:46 pm-10:27 pm

1 stop4h 41m

$237

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 9/24

3:25 pm-10:25 pm

2 stops8h 00m

Milwaukee-Mitchell

Sat 9/27

1:10 pm-5:50 pm

1 stop3h 40m

$242

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Tue 9/16

7:44 pm-11:30 pm

1 stop4h 46m

Milwaukee-Mitchell

Thu 9/18

5:26 am-10:55 am

1 stop4h 29m

$254

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 9/24

5:30 am-11:07 am

1 stop6h 37m

Milwaukee-Mitchell

Sun 9/28

5:40 am-11:24 am

1 stop4h 44m

$272

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 10/4

11:24 am-4:40 pm

1 stop6h 16m

Milwaukee-Mitchell

Sun 10/5

7:05 am-1:28 pm

1 stop5h 23m

$282

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 9/6

8:05 am-4:04 pm

2 stops8h 59m

Milwaukee-Mitchell

Tue 9/9

6:19 am-10:56 am

1 stop3h 37m

$298

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 9/6

5:20 pm-11:00 pm

1 stop6h 40m

Milwaukee-Mitchell

Mon 9/8

5:26 am-10:55 am

1 stop4h 29m

$302

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sun 8/31

7:05 am-12:28 pm

1 stop6h 23m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

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 August 11, 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 August 11, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,979 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,920 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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.

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

    Currently priced at $223, 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 $227. American Airlines is currently priced 44% 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
Mequon
Oak Creek
Sheboygan
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 August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$346FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$372FlexibilityNo cancel feeOn-timeN/A

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