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$130+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MKE
Aug 15 — Aug 221
Sat 8/15
Sat 8/22
1 adult, Economy
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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 July 16, 2026.

This American Airlines deal was found by Cheapflights users on 7/15. 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 8/205:11 pm
GSP
-
MKE
1 stop7h 48m
American Airlines
Mon 8/245:00 am
MKE
-
GSP
1 stop5h 00m
American Airlines
Deal found 7/15$259
This Southwest deal was found by Cheapflights users on 7/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
GSP
-
MKE
1 stop3h 50m
Southwest
Tue 8/188:20 am
MKE
-
GSP
2 stops7h 25m
Southwest
Deal found 7/14$264
This Southwest deal was found by Cheapflights users on 7/13. 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 10/71:25 pm
GSP
-
MKE
2 stops9h 55m
Southwest
Mon 10/128:50 am
MKE
-
GSP
2 stops10h 10m
Southwest
Deal found 7/13$269
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:10 am
GSP
-
MKE
1 stop4h 43m
United Airlines
Tue 8/118:30 am
MKE
-
GSP
1 stop4h 02m
United Airlines
Deal found 7/14$274
This Delta deal was found by Cheapflights users on 7/13. 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 8/202:51 pm
GSP
-
MKE
1 stop7h 02m
Delta
Mon 8/2412:51 pm
MKE
-
GSP
1 stop6h 41m
Delta
Deal found 7/13$277
This Delta deal was found by Cheapflights users on 7/12. 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.
Tue 9/18:49 am
GSP
-
MKE
1 stop3h 56m
Delta
Sun 9/64:47 pm
MKE
-
GSP
1 stop3h 39m
Delta
Deal found 7/12$305
This American Airlines deal was found by Cheapflights users on 7/13. 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 8/135:11 pm
GSP
-
MKE
1 stop7h 48m
American Airlines
Sun 8/165:16 am
MKE
-
GSP
1 stop4h 44m
American Airlines
Deal found 7/13$323
This Southwest deal was found by Cheapflights users on 7/13. 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 8/57:00 am
GSP
-
MKE
1 stop3h 50m
Southwest
Mon 8/105:45 am
MKE
-
GSP
2 stops9h 20m
Southwest
Deal found 7/13$324
This Southwest deal was found by Cheapflights users on 7/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:40 pm
GSP
-
MKE
1 stop5h 00m
Southwest
Sun 8/3010:10 am
MKE
-
GSP
2 stops9h 20m
Southwest
Deal found 7/14$328
This American Airlines deal was found by Cheapflights users on 7/15. 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 10/310:49 am
GSP
-
MKE
1 stop7h 52m
American Airlines
Fri 10/3012:38 pm
MKE
-
GSP
1 stop6h 18m
American Airlines
Deal found 7/15$330

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 July 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$130
(United Airlines)

Popular in

October

Cheapest in

September

Average price

$351
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
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 16, 2026.
Use the filters below to find and compare flights from Greenville to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 8/6

6:10 am-9:53 am

1 stop4h 43m

Milwaukee-Mitchell

Tue 8/11

8:30 am-1:32 pm

1 stop4h 02m

$274

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 8/20

1:28 pm-5:38 pm

1 stop5h 10m

Milwaukee-Mitchell

Mon 8/24

7:03 am-1:55 pm

1 stop5h 52m

$277

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 8/5

5:46 am-9:16 am

1 stop4h 30m

Milwaukee-Mitchell

Mon 8/10

4:17 pm-10:59 pm

1 stop5h 42m

$277

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 8/27

4:40 pm-8:40 pm

1 stop5h 00m

Milwaukee-Mitchell

Sun 8/30

10:10 am-8:30 pm

2 stops9h 20m

$328

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 8/5

1:20 pm-8:30 pm

2 stops8h 10m

Milwaukee-Mitchell

Mon 8/10

5:45 am-4:05 pm

2 stops9h 20m

$329

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 10/31

6:30 am-11:28 am

1 stop5h 58m

Milwaukee-Mitchell

Tue 11/3

8:30 am-1:39 pm

1 stop4h 09m

$339

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 8/13

8:49 am-1:54 pm

1 stop6h 05m

Milwaukee-Mitchell

Sun 8/16

5:34 am-12:41 pm

1 stop6h 07m

$340
Cheapest one-way

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 8/27

5:11 pm-11:59 pm

1 stop7h 48m

$130
Quickest one-way

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 8/27

6:30 am-10:00 am

1 stop4h 30m

$130

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 8/13

5:11 pm-11:59 pm

1 stop7h 48m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/11

Showing 1-10 of 16 resultsSorted by cheapest first
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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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’s the top layover airport for flights from Greenville to Milwaukee?

Share of 1-stop round-trip flights from Greenville to Milwaukee chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 75% of 1-stop itineraries from Greenville to Milwaukee on Cheapflights.

What’s the cheapest layover airport for flights from Greenville to Milwaukee?

Average round-trip fare for 1-stop flights from Greenville to Milwaukee, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Baltimore (BWI) is the most affordable 1-stop option, with an average round-trip price of $284.

What’s the fastest layover option from Greenville to Milwaukee?

Shortest average travel time for 1-stop one-way flights from Greenville to Milwaukee, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Baltimore (BWI) have the shortest average one-way travel time for 1-stop routes: 6h 00m.

Which airport typically offers the quickest layover for flights from Greenville to Milwaukee?

Average layover duration for 1-stop one-way flights from Greenville to Milwaukee, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Baltimore (BWI) offer the fastest connection on this route, with an average layover time of 1h 35m.

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 July 16, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
7.8
Good
8,471 reviews

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,471 reviews
Delta
7.8
Good
8,471 reviews

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,993 reviews
Delta
7.8
Good
8,471 reviews

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,814 reviews
Delta
7.8
Good
8,471 reviews

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 43m. United Airlines provides one of the quickest options available for as low as $274. 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 $236 and $296, respectively. American Airlines is currently priced 60% 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.

See more FAQs

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Port Washington
New Berlin
Oak Creek
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 July 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$416FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$397FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$296Average$416FlexibilityNo cancel feeOn-time69%

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