$149 Cheap Delta flights Greenville (GSP) to Milwaukee (MKE)

View $149 flight on Wed, Dec 17, 2025Opens in a new window

$149 Cheap Delta flights Greenville (GSP) to Milwaukee (MKE)

Prices were available within the past 7 days and start at $149 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Mar 11 - Tue, Mar 17
GSP
Greenville
MKE
Milwaukee
$299 Roundtrip, found 6 days ago
$299
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Mar 11 from Greenville to Milwaukee, returning Tue, Mar 17, priced at $299 found 6 days ago
Delta
Thu, Dec 11 - Mon, Dec 15
GSP
Greenville
MKE
Milwaukee
$321 Roundtrip, found 1 day ago
$321
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 11 from Greenville to Milwaukee, returning Mon, Dec 15, priced at $321 found 1 day ago
Delta
Fri, Jan 9 - Mon, Jan 12
GSP
Greenville
MKE
Milwaukee
$354 Roundtrip, just found
$354
Roundtrip
just found
Select Delta flight, departing Fri, Jan 9 from Greenville to Milwaukee, returning Mon, Jan 12, priced at $354 just found
Flights from Greenville (GSP) to Milwaukee (MKE)
Origin airport
Greenville-Spartanburg Intl.
Destination airport
General Mitchell Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Popular airline
Delta
Distance
634 mi

Frequently asked questions

How much is a Delta Air Lines flight from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE)?
You'll discover cheap round-trip Delta Air Lines flights from $299 from GSP to MKE by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $149 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from GSP to MKE with Delta Air Lines?
Delta Air Lines flights to Milwaukee are often cheaper in the low-season months of January and February. Whether you need a return or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE) with Delta Air Lines?
Search for cheap Delta Air Lines flights from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE)?
To figure out if there's a direct journey from GSP to MKE with Delta Air Lines or other carriers, select the "Nonstop" filter when browsing for flights.
What is the earliest Delta Air Lines flight from GSP to MKE?
To find the earliest departures from GSP to MKE with Delta Air Lines, filter your search by "Early Morning" and "Morning." Choosing an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Milwaukee?
General Mitchell Intl. Airport (MKE) is the main Milwaukee hub for Delta Air Lines flights from Greenville-Spartanburg Intl. Airport (GSP).
Why fly with Delta Air Lines from GSP to MKE?
Delta Air Lines makes flying from GSP to MKE more comfortable with an excellent in-flight experience and a rewarding loyalty program. You could even start collecting points with Delta SkyMiles. Be sure to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Greenville-Spartanburg Intl. Airport (GSP) to General Mitchell Intl. Airport (MKE)?
It's usually possible to change or cancel your flight, although additional fees may apply if you booked more than 24 hours ago. Need to keep your options open? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you need to alter your plans. To modify your booking, visit "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.