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

Currently priced at $255, Delta will fly you from Greenville to Milwaukee and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $260 and $266, respectively. Delta is currently priced 33% below the average price you’ll pay for this route.

What is the cheapest day to fly from Greenville to Milwaukee?

Travelers seeking maximum savings on their Greenville to Milwaukee flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Greenville to Milwaukee?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Greenville to Milwaukee.

What is the cheapest day to fly round-trip from Greenville to Milwaukee?

Users have found that flying from Greenville to Milwaukee on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Greenville to Milwaukee?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 29 days in advance, which can save you up to 167% on flights from Greenville to Milwaukee compared to booking the week you need them. Waiting 29 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $335. For sooner than that we have options available in the next 3 days from $619.

What is the cheapest month to fly from Greenville to Milwaukee?

The best pricing can be found in the month of September. Prices to Milwaukee from Greenville average $383. You can even find prices in September for less than $383, as users have found deals to Milwaukee from as low as $246. The month of February appears to be one of the more expensive times to travel to Milwaukee from Greenville. Flying in the targeted month can save you up to 37%.

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.

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.

$114+ Flights from Greenville to Milwaukee

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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

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Cheapflights Tip: The best prices from Greenville to Milwaukee-Mitchell are usually found in September or August, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Greenville to Milwaukee

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$255 (Delta)
One-way from	$114 (Mytrip)
Popular in	February
Cheapest in	September
Average price	$415

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. 13% potential increase in price ($59 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 March 28, 2025.

Thu 4/177:05 amGSP - MKE

1 stop5h 28mDelta

Mon 4/216:45 pmMKE - GSP

1 stop4h 08mDelta

Deal found 3/26

$255

Thu 4/177:43 amGSP - MKE

1 stop6h 35mAmerican Airlines

Sun 4/206:20 amMKE - GSP

2 stops6h 43mAmerican Airlines

Deal found 3/26

$266

Tue 4/155:25 pmGSP - MKE

1 stop4h 12mUnited Airlines

Tue 5/65:47 pmMKE - GSP

1 stop4h 13mUnited Airlines

Deal found 3/27

$319

Sat 6/73:20 pmGSP - MKE

2 stops9h 05mSouthwest

Wed 6/185:00 amMKE - GSP

2 stops8h 35mSouthwest

Deal found 3/25

$337

Thu 4/179:58 amGSP - MKE

3 stops30h 48mMultiple Airlines

Sun 4/202:25 pmMKE - GSP

2 stops23h 39mMultiple Airlines

Deal found 3/26

$534

Best flights from Greenville to Milwaukee
Discover carefully curated flight deals from Greenville to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Thu 4/176:00 amGSP - MKE

1 stop7h 09mDelta

Mon 4/213:52 pmMKE - GSP

1 stop7h 01mDelta

Deal found 3/27

$255

Sat 5/106:26 amGSP - MKE

2 stops8h 41mAmerican Airlines

Sat 5/106:38 pmMKE - GSP

1 stop4h 08mAmerican Airlines

Deal found 3/27

$260

Tue 5/2010:27 amGSP - MKE

2 stops9h 40mUnited Airlines

Sat 5/243:45 pmMKE - GSP

1 stop5h 58mUnited Airlines

Deal found 3/27

$266

Mon 5/199:10 amGSP - MKE

2 stops27h 17mMultiple Airlines

Sun 5/2512:22 pmMKE - GSP

1 stop7h 58mMultiple Airlines

Deal found 3/27

$282

Thu 4/2411:20 amGSP - MKE

1 stop7h 15mSouthwest

Thu 5/15:00 amMKE - GSP

2 stops15h 00mSouthwest

Deal found 3/27

$347

Last-minute flights from Greenville to Milwaukee
Discover last-minute flight deals from Greenville to Milwaukee. Data last updated March 28, 2025 and is based on user searches.

Sat 4/56:50 amGSP - MKE

1 stop6h 07mUnited Airlines

Sun 4/65:30 pmMKE - GSP

1 stop4h 07mUnited Airlines

Deal found 3/27

$455

Sat 4/51:01 pmGSP - MKE

2 stops5h 43mAmerican Airlines

Sun 4/66:40 amMKE - GSP

2 stops6h 23mAmerican Airlines

Deal found 3/27

$500

Tue 4/155:25 pmGSP - MKE

1 stop4h 12mUnited Airlines

Tue 5/65:47 pmMKE - GSP

1 stop4h 13mUnited Airlines

Deal found 3/27

$319

Thu 4/177:05 amGSP - MKE

1 stop5h 28mDelta

Mon 4/216:45 pmMKE - GSP

1 stop4h 08mDelta

Deal found 3/26

$255

Thu 4/177:43 amGSP - MKE

1 stop6h 35mAmerican Airlines

Sun 4/206:20 amMKE - GSP

2 stops6h 43mAmerican Airlines

Deal found 3/26

$266

Thu 4/179:58 amGSP - MKE

3 stops30h 48mMultiple Airlines

Sun 4/202:25 pmMKE - GSP

2 stops23h 39mMultiple Airlines

Deal found 3/26

$534

Thu 4/2411:20 amGSP - MKE

1 stop7h 15mSouthwest

Thu 5/15:00 amMKE - GSP

2 stops15h 00mSouthwest

Deal found 3/27

$347

One-way flights from Greenville to Milwaukee
Search for one-way flight options from Greenville to Milwaukee. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Mon 5/199:10 amGSP - MKE

2 stops27h 17mMultiple Airlines

Deal found 3/27

$114

Mon 5/195:30 amGSP - MKE

1 stop4h 53mDelta

Deal found 3/27

$128

Tue 5/206:26 amGSP - MKE

2 stops5h 49mAmerican Airlines

Deal found 3/27

$133

Cheapflights Fare Finder

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

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 4/17

6:00 am-12:09 pm

1 stop7h 09m

Milwaukee-Mitchell

Mon 4/21

3:52 pm-11:53 pm

1 stop7h 01m

$255

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 5/10

6:26 am-2:07 pm

2 stops8h 41m

Milwaukee-Mitchell

Sat 5/10

6:38 pm-11:46 pm

1 stop4h 08m

$260

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Tue 5/20

10:27 am-7:07 pm

2 stops9h 40m

Milwaukee-Mitchell

Sat 5/24

3:45 pm-10:43 pm

1 stop5h 58m

$266

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Mon 5/19

9:10 am-11:27 am

2 stops27h 17m

Milwaukee-Mitchell

Sun 5/25

12:22 pm-9:20 pm

1 stop7h 58m

$282

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 4/24

11:20 am-5:35 pm

1 stop7h 15m

Milwaukee-Mitchell

Thu 5/1

5:00 am-9:00 pm

2 stops15h 00m

$347

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Mon 5/19

9:10 am-11:27 am

2 stops27h 17m

$114

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 5/10

5:26 am-11:23 am

1 stop6h 57m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Compare providers for flights from Greenville to Milwaukee

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to Milwaukee in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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

How far ahead should I book a flight from Greenville to Milwaukee?

The best time to book flights from Greenville to Milwaukee is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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?

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.

Rainfall in Milwaukee by month

In terms of precipitation, rainfall in Milwaukee ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Milwaukee when rainfall is around 1.4 in.

Temperature in Milwaukee by month

If weather is an important factor for your trip to Milwaukee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Milwaukee

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 compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,273 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,896 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What are the cheapest airlines flying from Greenville to Milwaukee round-trip?
Currently priced at $255, Delta will fly you from Greenville to Milwaukee and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $260 and $266, respectively. Delta is currently priced 33% 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

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Wauwatosa

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Other flights to Milwaukee

Top 3 airlines flying from Greenville to Milwaukee

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$235	Average$305	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$244	Average$346	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$247	Average$342	FlexibilityNo cancel fee	On-timeN/A

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$114+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Greenville to Milwaukee with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Greenville to Milwaukee-Mitchell are usually found in September or August, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Greenville to Milwaukee

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Greenville to Milwaukee

Cheapest flights from Greenville to MilwaukeeExplore 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 March 28, 2025.

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 March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Greenville to Milwaukee that are best for you.

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 March.

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.

Cheapflights Insights

Everything you need to know about your flight from Greenville to Milwaukee

How far ahead should I book a flight from Greenville to Milwaukee?

Use this chart to determine the optimal time to book a round-trip flight from Greenville to Milwaukee. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Greenville to Milwaukee?

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 March 28, 2025.

Rainfall in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average rainfall totals by month.

Temperature in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average temperature totals by month.

Reviews of airlines servicing Milwaukee

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 compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

Can I find deals for flights from Greenville to Milwaukee that include hotel bookings?

How can I find direct flights from Greenville to Milwaukee?

Can I find deals for business class flights from Greenville to Milwaukee?

What is the cheapest month to book a flight from Greenville to Milwaukee?

Traveling to a place near Greenville?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Greenville to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Greenville to Milwaukee

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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 March 28, 2025.