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$149+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MKE
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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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 October 20, 2025.

This Delta deal was found by Cheapflights users on 10/20. 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 11/156:00 amGSP - MKE
1 stop4h 11mDelta
Sat 11/155:20 pmMKE - GSP
1 stop5h 21mDelta
Deal found 10/20$297
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/155:15 amGSP - MKE
2 stops7h 23mAmerican Airlines
Sat 11/156:44 pmMKE - GSP
1 stop4h 14mAmerican Airlines
Deal found 10/19$302
This American Airlines deal was found by Cheapflights users on 10/19. 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 12/36:01 amGSP - MKE
2 stops7h 12mAmerican Airlines
Sat 12/63:52 pmMKE - GSP
2 stops7h 05mAmerican Airlines
Deal found 10/19$307
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:35 amGSP - MKE
1 stop6h 09mDelta
Mon 12/155:45 amMKE - GSP
1 stop4h 30mDelta
Deal found 10/17$337
This Delta deal was found by Cheapflights users on 10/19. 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 56mDelta
Tue 11/116:00 amMKE - GSP
1 stop7h 44mDelta
Deal found 10/19$342
This American Airlines deal was found by Cheapflights users on 10/19. 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 12/308:01 pmGSP - MKE
1 stop3h 59mAmerican Airlines
Fri 1/26:14 amMKE - GSP
1 stop8h 19mAmerican Airlines
Deal found 10/19$347
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/217:34 pmGSP - MKE
1 stop5h 09mAmerican Airlines
Mon 11/245:00 amMKE - GSP
2 stops5h 26mAmerican Airlines
Deal found 10/19$372
This Delta deal was found by Cheapflights users on 10/19. 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 11/167:59 pmGSP - MKE
1 stop4h 56mDelta
Sun 11/235:45 amMKE - GSP
1 stop6h 25mDelta
Deal found 10/19$377
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/104:24 pmGSP - MKE
1 stop6h 11mAmerican Airlines
Tue 11/115:00 amMKE - GSP
2 stops5h 26mAmerican Airlines
Deal found 10/19$382
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/136:00 amGSP - MKE
1 stop6h 10mAmerican Airlines
Thu 11/136:48 pmMKE - GSP
1 stop4h 10mAmerican Airlines
Deal found 10/20$387

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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Delta)

One-way from

$149
(American Airlines)

Popular in

October

Cheapest in

September

Average price

$606
Provider with most accurate pricing for Greenville-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Milwaukee-Mitchell flights.
Search Deals
From Greenville to Milwaukee-Mitchell
Search Deals
One-way flight from Greenville to Milwaukee-Mitchell
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 20, 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

Sat 11/15

6:00 am-10:42 am

1 stop5h 42m

Milwaukee-Mitchell

Sat 11/15

5:20 pm-11:41 pm

1 stop5h 21m

$297

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 12/3

7:39 pm-11:30 pm

1 stop4h 51m

Milwaukee-Mitchell

Sat 12/6

6:14 am-10:51 am

1 stop3h 37m

$297

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 12/10

5:35 am-9:28 am

1 stop4h 53m

Milwaukee-Mitchell

Sat 12/13

3:17 pm-8:53 pm

1 stop4h 36m

$297

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 11/12

6:00 am-11:20 am

1 stop6h 20m

Milwaukee-Mitchell

Wed 11/12

3:44 pm-8:46 pm

1 stop4h 02m

$297

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 12/6

5:35 am-10:46 am

1 stop6h 11m

Milwaukee-Mitchell

Tue 12/9

1:12 pm-5:49 pm

1 stop3h 37m

$297

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 12/3

3:35 pm-9:48 pm

1 stop7h 13m

Milwaukee-Mitchell

Sat 12/6

5:45 am-1:14 pm

1 stop6h 29m

$297

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 11/21

7:27 am-12:42 pm

1 stop6h 15m

Milwaukee-Mitchell

Mon 11/24

5:45 am-10:27 am

1 stop3h 42m

$302

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 12/4

5:35 am-9:28 am

1 stop4h 53m

$164

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 11/21

7:34 pm-11:43 pm

1 stop5h 09m

$184

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 11/21

7:27 am-12:42 pm

1 stop6h 15m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 15 results
1
2

Compare providers for flights from Greenville to Milwaukee

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to Milwaukee in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Greenville-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-Milwaukee flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Greenville-Milwaukee flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Greenville-Milwaukee flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $57). Flying from Greenville to Milwaukee in June is currently the most expensive (average of $161). 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 October 20, 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 26% 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 October 20, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, 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
7.9
Good
7,976 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,976 reviews
Delta
7.9
Good
7,976 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,994 reviews
Delta
7.9
Good
7,976 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,026 reviews
Delta
7.9
Good
7,976 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 4h 46m. Delta provides one of the quickest options available for as low as $297. 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. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $256 and $266, respectively. American Airlines is currently priced 59% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $164. Users have also found prices from $184 and $204 on American Airlines and United Airlines, respectively.

  • 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 $57). Flying from Greenville to Milwaukee in June is currently the most expensive (average of $161). 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 3 airlines flying from Greenville to Milwaukee

Discover the top 3 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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$373FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$266Average$373FlexibilityNo cancel feeOn-time69%

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