What is the cheapest airline that flies from Greenville to Milwaukee-Mitchell?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Greenville to Milwaukee-Mitchell

What airlines fly to Milwaukee?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Milwaukee from Greenville according to our data. American Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Milwaukee. Keep in mind that there are 7 different airlines that fly to Milwaukee on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Greenville Airport to Milwaukee-Mitchell Airport?

Prices for flights from Greenville Airport to Milwaukee-Mitchell Airport are updated daily.

How many operators does momondo search for flights from Greenville Airport to Milwaukee-Mitchell Airport?

As of November 2025, there are 3 operators available to choose from for flights from Greenville Airport to Milwaukee-Mitchell Airport.

How old do you have to be to fly from Greenville Airport to Milwaukee-Mitchell Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greenville Airport to Milwaukee-Mitchell Airport.

What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

The travel and health documents you'll need for your trip to Milwaukee-Mitchell Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milwaukee-Mitchell Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$149 Cheap Flights from Greenville to Milwaukee in 2025/26

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Find the cheapest flights from Greenville to Milwaukee

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:03 pm - 7:03 pmGSP-MKE

24h 00m1 stop

8:15 pm - 10:53 amMKE-GSP

13h 38m1 stop

$361Multiple Airlines

Find Deal

Fri, Dec 26 - Wed, Dec 31

8:03 pm - 7:03 pmGSP-MKE

24h 00m1 stop

7:48 pm - 10:53 amMKE-GSP

14h 05m1 stop

$413Multiple Airlines

Find Deal

Fri, Dec 19 - Sat, Dec 27

10:41 am - 7:03 pmGSP-MKE

33h 22m2 stops

7:48 pm - 10:53 amMKE-GSP

14h 05m1 stop

$434Multiple Airlines

Find Deal

Fri, Dec 19 - Sat, Dec 27

7:59 pm - 11:51 pmGSP-MKE

4h 52m1 stop

5:40 am - 11:58 amMKE-GSP

5h 18m1 stop

$453Delta

Find Deal

Sat, Dec 20 - Wed, Dec 24

6:45 am - 10:42 amGSP-MKE

4h 57m1 stop

5:45 am - 10:27 amMKE-GSP

3h 42m1 stop

$472Delta

Find Deal

Fri, Nov 21 - Mon, Nov 24

11:28 am - 2:57 pmGSP-MKE

4h 29m1 stop

5:00 am - 11:26 amMKE-GSP

5h 26m2 stops

$477American Airlines

Find Deal

Fri, Nov 21 - Mon, Nov 24

2:06 pm - 11:40 amGSP-MKE

22h 34m2 stops

7:43 pm - 7:23 pmMKE-GSP

22h 40m1 stop

$484Multiple Airlines

Find Deal

Wed, Nov 26 - Sun, Nov 30

7:40 am - 6:25 pmGSP-MKE

11h 45m2 stops

2:40 pm - 7:50 pmMKE-GSP

4h 10m1 stop

$495Southwest

Find Deal

Fri, Dec 26 - Wed, Dec 31

6:00 am - 3:33 pmGSP-MKE

10h 33m1 stop

8:13 am - 10:14 pmMKE-GSP

13h 01m1 stop

$501American Airlines

Find Deal

Wed, Nov 19 - Sat, Nov 22

7:40 am - 6:25 pmGSP-MKE

11h 45m2 stops

5:30 am - 7:50 pmMKE-GSP

13h 20m2 stops

$505Southwest

Find Deal

Fri, Dec 26 - Wed, Dec 31

Delta flights from Greenville to Milwaukee

Our best Delta deals on Greenville to Milwaukee flight tickets

Delta

Dec 20

GSP7:59 pmGreenville

4h 52m

1 stop

MKE11:51 pmMilwaukee-Mitchell

Dec 24

MKE5:40 amMilwaukee-Mitchell

5h 18m

1 stop

GSP11:58 amGreenville

$453

Find similar

Delta

Nov 21

GSP6:45 amGreenville

4h 57m

1 stop

MKE10:42 amMilwaukee-Mitchell

Nov 24

MKE5:45 amMilwaukee-Mitchell

3h 42m

1 stop

GSP10:27 amGreenville

$472

Find similar

Delta

Nov 15

GSP6:00 amGreenville

4h 11m

1 stop

MKE9:11 amMilwaukee-Mitchell

Nov 15

MKE5:20 pmMilwaukee-Mitchell

5h 21m

1 stop

GSP11:41 pmGreenville

$481

Find similar

Southwest flights from Greenville to Milwaukee

Our best Southwest deals on Greenville to Milwaukee flight tickets

Southwest

Dec 26

GSP7:40 amGreenville

11h 45m

2 stops

MKE6:25 pmMilwaukee-Mitchell

Dec 31

MKE2:40 pmMilwaukee-Mitchell

4h 10m

1 stop

GSP7:50 pmGreenville

$495

Find similar

Southwest

Dec 26

GSP7:40 amGreenville

11h 45m

2 stops

MKE6:25 pmMilwaukee-Mitchell

Dec 31

MKE5:30 amMilwaukee-Mitchell

13h 20m

2 stops

GSP7:50 pmGreenville

$505

Find similar

Southwest

Nov 21

GSP8:00 amGreenville

10h 25m

2 stops

MKE5:25 pmMilwaukee-Mitchell

Nov 23

MKE11:50 amMilwaukee-Mitchell

8h 45m

2 stops

GSP9:35 pmGreenville

$582

Find similar

Fly from

Fly to

Route

Depart

Return

Price

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 12/26

8:03 pm-7:03 pm

1 stop24h 00m

Milwaukee-Mitchell

Wed 12/31

8:15 pm-10:53 am

1 stop13h 38m

$361

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 12/19

8:03 pm-7:03 pm

1 stop24h 00m

Milwaukee-Mitchell

Sat 12/27

7:48 pm-10:53 am

1 stop14h 05m

$413

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 12/19

10:41 am-7:03 pm

2 stops33h 22m

Milwaukee-Mitchell

Sat 12/27

7:48 pm-10:53 am

1 stop14h 05m

$434

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Sat 12/20

7:59 pm-11:51 pm

1 stop4h 52m

Milwaukee-Mitchell

Wed 12/24

5:40 am-11:58 am

1 stop5h 18m

$453

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 11/21

6:45 am-10:42 am

1 stop4h 57m

Milwaukee-Mitchell

Mon 11/24

5:45 am-10:27 am

1 stop3h 42m

$472

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 11/21

11:28 am-2:57 pm

1 stop4h 29m

Milwaukee-Mitchell

Mon 11/24

5:00 am-11:26 am

2 stops5h 26m

$477

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 11/26

2:06 pm-11:40 am

2 stops22h 34m

Milwaukee-Mitchell

Sun 11/30

7:43 pm-7:23 pm

1 stop22h 40m

$484

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 12/26

7:40 am-6:25 pm

2 stops11h 45m

Milwaukee-Mitchell

Wed 12/31

2:40 pm-7:50 pm

1 stop4h 10m

$495

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 11/19

6:00 am-3:33 pm

1 stop10h 33m

Milwaukee-Mitchell

Sat 11/22

8:13 am-10:14 pm

1 stop13h 01m

$501

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 12/26

7:40 am-6:25 pm

2 stops11h 45m

Milwaukee-Mitchell

Wed 12/31

5:30 am-7:50 pm

2 stops13h 20m

$505

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Greenville to Milwaukee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Milwaukee?

The cheapest month to fly to Milwaukee from Greenville is in September. Flight prices, which tend to average around $296, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Milwaukee, with average flight prices from Greenville averaging around $326.

What is the cheapest day to depart on your flight to Milwaukee?

According to our data, Tuesday is the cheapest day to fly to Milwaukee from Greenville. The lowest ticket price found for a Tuesday departure recently was $281. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Greenville to Milwaukee on a Monday will generally be more expensive and average around $449. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Milwaukee?

In the evening is the cheapest time of day to fly from Greenville to Milwaukee when you can find flight prices for as low as $306. Flying to Milwaukee in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $414 per ticket.

When to book flights from Greenville to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from Greenville to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Greenville to Milwaukee (GSP to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to Milwaukee

Direct flights	None

There are no direct flights from Greenville to Milwaukee. There are no popular flight routes from Greenville to Milwaukee.

Search flight deals

How far is Greenville to Milwaukee-Mitchell by plane?
The straight-line distance from Greenville to Milwaukee-Mitchell is 637.7 mi. By plane, this route typically takes 4h 52m.
When did momondo last update prices for flights from Greenville Airport to Milwaukee-Mitchell Airport?
Prices for flights from Greenville Airport to Milwaukee-Mitchell Airport are updated daily.
How many operators does momondo search for flights from Greenville Airport to Milwaukee-Mitchell Airport?
As of November 2025, there are 3 operators available to choose from for flights from Greenville Airport to Milwaukee-Mitchell Airport.
How old do you have to be to fly from Greenville Airport to Milwaukee-Mitchell Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greenville Airport to Milwaukee-Mitchell Airport.
What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?
The travel and health documents you'll need for your trip to Milwaukee-Mitchell Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milwaukee-Mitchell Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Greenville to Milwaukee?
Based on momondo bookings for flights between Greenville and Milwaukee, the leading airline is Delta, making up 56% of the total bookings. Other popular airlines include American Airlines with 34% and United Airlines with 11%.

Best airlines flying from Greenville to Milwaukee

Compare and see reviews for airlines that fly from Greenville to Milwaukee with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $168	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $266	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights

Sheboygan

Waukesha

Wauwatosa

Oak Creek

Mequon

Glendale

Kohler

Pewaukee

West Bend

Port Washington

New Berlin

Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Greenville to Milwaukee?

It is quick and easy to find Greenville to Milwaukee flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Milwaukee that suits you.

Can I find flights from Greenville to Milwaukee with flexible booking policies on momondo?

momondo does allow users to show only those flights to Milwaukee from Greenville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Greenville to Milwaukee?

momondo helps you find the best flight between Greenville and Milwaukee by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Greenville to Milwaukee right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Milwaukee from Greenville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.