$119 Cheap Flights from Greenville (GSP) to Milwaukee (MKE)

View $119 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from Greenville to Milwaukee (GSP-MKE)

Prices were available within the past 7 days and start at $119 for one-way flights and $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Nov 22 - Mon, Nov 24
GSP
Greenville
MKE
Milwaukee
$267 Roundtrip, found 2 days ago
$267
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Nov 22 from Greenville to Milwaukee, returning Mon, Nov 24, priced at $267 found 2 days ago
Southwest Airlines
Fri, Oct 31 - Sat, Nov 1
GSP
Greenville
MKE
Milwaukee
$267 Roundtrip, found 7 hours ago
$267
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Fri, Oct 31 from Greenville to Milwaukee, returning Sat, Nov 1, priced at $267 found 7 hours ago
Southwest Airlines
Fri, Oct 31 - Sat, Nov 1
GSP
Greenville
MKE
Milwaukee
$272 Roundtrip, found 7 hours ago
$272
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Fri, Oct 31 from Greenville to Milwaukee, returning Sat, Nov 1, priced at $272 found 7 hours ago
Southwest Airlines
Sat, Nov 22 - Mon, Nov 24
GSP
Greenville
MKE
Milwaukee
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Nov 22 from Greenville to Milwaukee, returning Mon, Nov 24, priced at $282 found 2 days ago
Southwest Airlines
Thu, Dec 11 - Mon, Dec 15
GSP
Greenville
MKE
Milwaukee
$297 Roundtrip, found 14 hours ago
$297
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Thu, Dec 11 from Greenville to Milwaukee, returning Mon, Dec 15, priced at $297 found 14 hours ago
Delta
Thu, Dec 11 - Mon, Dec 15
GSP
Greenville
MKE
Milwaukee
$299 Roundtrip, found 14 hours ago
$299
Roundtrip
found 14 hours ago
Select Delta flight, departing Thu, Dec 11 from Greenville to Milwaukee, returning Mon, Dec 15, priced at $299 found 14 hours ago
United
Sat, Nov 1 - Tue, Nov 4
GSP
Greenville
MKE
Milwaukee
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from Greenville to Milwaukee, returning Tue, Nov 4, priced at $301 found 1 day ago
United
Sat, Nov 1 - Tue, Nov 4
GSP
Greenville
MKE
Milwaukee
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from Greenville to Milwaukee, returning Tue, Nov 4, priced at $302 found 1 day ago
Delta
Thu, Dec 25 - Thu, Jan 1
GSP
Greenville
MKE
Milwaukee
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 25 from Greenville to Milwaukee, returning Thu, Jan 1, priced at $304 found 2 days ago
American Airlines
Fri, Nov 21 - Mon, Nov 24
GSP
Greenville
MKE
Milwaukee
$307 Roundtrip, found 14 hours ago
$307
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Fri, Nov 21 from Greenville to Milwaukee, returning Mon, Nov 24, priced at $307 found 14 hours ago

Find the cheapest month to fly from Greenville (GSP) to Milwaukee (MKE)

August is typically the cheapest month to fly

From $186 - $493 per traveler.

Alternative airports near Milwaukee

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Mitchell Intl. MKE. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $362
MKE
General Mitchell Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $362

Frequently asked questions

How much does a flight from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE) cost?
Grab a cheap one-way flight from $119 or cheap return flight from $267 from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE)?
Traveling in November is a good way to save, as it's the cheapest month for flights between GSP and MKE. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from GSP to MKE. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE)?
You'll need to catch a flight with a layover when traveling from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from GSP to MKE?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE)?
To avoid possible delays on the Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE) route, travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE) last-minute?
Booking your ticket from GSP to MKE shortly before your trip is usually more expensive. However, if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a GSP to MKE flight and hotel package?
Opting for a GSP to MKE flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE)?
Typically, you're able to reschedule or cancel your GSP to MKE flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
Greenville-Spartanburg Intl.
Destination airport
General Mitchell Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$236
Distance
634 mi

Book with confidence

Greenville to Milwaukee Flights

The cheapest times to fly from Greenville to Milwaukee

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Greenville to Milwaukee are during the month of November. You can find some of the cheapest flights from Greenville to Milwaukee with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Greenville to Milwaukee

Sunday is one of the best days to book for cheap flights from Greenville to Milwaukee: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Greenville to Milwaukee

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Greenville to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Greenville to Milwaukee flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Greenville to Milwaukee airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Greenville to Milwaukee Flights

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*Available to One Key members.