$139 Cheap Southwest Airlines flights New Orleans (MSY) to Greenville (GSP)

You'll find budget-friendly return Southwest Airlines flights from $257 from MSY to GSP by sorting your results from "Price (lowest to highest)" on Expedia. Or search for options from $139 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.

Search for cheap Southwest Airlines flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Greenville-Spartanburg Intl. Airport (GSP) one to three months before 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 journey, the best day to book a domestic flight is generally Sunday and the most expensive 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.

Browse Southwest Airlines's earliest flights from MSY to GSP by selecting our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also experience 20% fewer cancellations.**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.