HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Milwaukee

$146+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MKE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Greenville to Milwaukee 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 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:33 amGSP - MKE
1 stop8h 47mMultiple Airlines
Tue 12/308:15 pmMKE - GSP
2 stops18h 40mMultiple Airlines
Deal found 12/15$568
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/1811:31 amGSP - MKE
1 stop8h 57mAmerican Airlines
Tue 12/3010:50 amMKE - GSP
1 stop6h 01mAmerican Airlines
Deal found 12/15$598
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/189:40 amGSP - MKE
2 stops10h 13mUnited Airlines
Tue 12/305:00 amMKE - GSP
2 stops8h 15mUnited Airlines
Deal found 12/15$647
This Southwest deal was found by Cheapflights users on 12/15. 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.
Thu 12/1810:20 amGSP - MKE
2 stops12h 05mSouthwest
Tue 12/3011:05 amMKE - GSP
2 stops9h 50mSouthwest
Deal found 12/15$668
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/208:01 pmGSP - MKE
1 stop15h 12mAmerican Airlines
Mon 12/227:45 amMKE - GSP
1 stop14h 23mAmerican Airlines
Deal found 12/16$681
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:41 pmGSP - MKE
2 stops22h 39mMultiple Airlines
Mon 12/2212:08 pmMKE - GSP
1 stop6h 15mMultiple Airlines
Deal found 12/16$735
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:30 amGSP - MKE
2 stops9h 10mSouthwest
Mon 12/2211:05 amMKE - GSP
2 stops9h 50mSouthwest
Deal found 12/16$767

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$311
(Delta)

One-way from

$146
(Delta)

Popular in

October

Cheapest in

September

Average price

$437
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. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

Fri 1/16

5:40 am-9:15 am

1 stop4h 35m

Milwaukee-Mitchell

Sun 1/18

5:30 am-11:08 am

1 stop4h 38m

$311

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 1/16

6:35 am-10:34 am

1 stop4h 59m

Milwaukee-Mitchell

Sun 1/18

5:00 am-2:19 pm

2 stops8h 19m

$316

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 1/1

5:39 am-10:25 am

1 stop5h 46m

Milwaukee-Mitchell

Mon 1/5

3:13 pm-11:52 pm

1 stop7h 39m

$351

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 1/28

5:34 pm-8:48 pm

1 stop4h 14m

Milwaukee-Mitchell

Sat 1/31

3:20 pm-8:47 pm

1 stop4h 27m

$364

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 5/29

8:10 am-12:10 pm

1 stop5h 00m

Milwaukee-Mitchell

Tue 6/2

7:35 am-12:10 pm

1 stop3h 35m

$367

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Tue 6/16

3:42 pm-7:03 pm

1 stop4h 21m

Milwaukee-Mitchell

Fri 6/19

4:20 pm-9:25 pm

1 stop4h 05m

$367

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Tue 3/3

3:00 pm-5:34 pm

1 stop3h 34m

$146

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Tue 3/3

5:29 pm-11:42 pm

2 stops7h 13m

$151

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Mon 1/5

8:03 pm-7:20 pm

1 stop24h 17m

$155

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 1/8

5:12 pm-7:58 pm

1 stop3h 46m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 11 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Greenville-Milwaukee flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from Greenville to Milwaukee (average of $58). 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 December 18, 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 December 18, 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
8,005 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 35m. Delta provides one of the quickest options available for as low as $311. 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 57% 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, January is the cheapest month in which you can book a flight from Greenville to Milwaukee (average of $58). 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
New Berlin
Oak Creek
Wauwatosa

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.

Alternative routes for Greenville to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to O'Hare Intl flights
Charlotte to Minneapolis flights
Charleston to O'Hare Intl flights
Savannah to O'Hare Intl flights
Greenville to O'Hare Intl flights
Columbia to O'Hare Intl flights
Charlotte to Milwaukee flights
Greenville to Minneapolis flights
Savannah to Minneapolis flights
Charlotte to Madison flights
Charleston to Minneapolis flights
Myrtle Beach to O'Hare Intl flights
Myrtle Beach to Minneapolis flights
Greenville to Madison flights
Charlotte to Appleton flights
Charleston to Milwaukee flights
Myrtle Beach to Milwaukee flights
Charlotte to Duluth flights
Columbia to Minneapolis flights
Savannah to Milwaukee flights
Charleston to Madison flights
Columbia to Milwaukee flights
Charlotte to Wausau flights
Hilton Head Island to O'Hare Intl flights
Augusta to Minneapolis flights
Augusta to O'Hare Intl flights
Columbia to Appleton flights
Charlotte to Green Bay flights
Charleston to Appleton flights
Columbia to Green Bay flights
Myrtle Beach to Madison flights
Charleston to Green Bay flights
Greenville to Appleton flights
Columbia to Madison flights
Savannah to Madison flights
Greenville to Green Bay flights
Greenville to Duluth flights
Florence to O'Hare Intl flights
Charleston to La Crosse flights
Charlotte to Escanaba flights
Savannah to Appleton flights
Hilton Head Island to Milwaukee flights
Columbia to Wausau flights
Myrtle Beach to Green Bay flights
Greenville to Wausau flights
Augusta to Milwaukee flights
Myrtle Beach to Wausau flights
Savannah to Dubuque flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$373FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$266Average$382FlexibilityNo 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.