$130 Cheap Southwest Airlines flights Charlotte (CLT) to Austin (AUS)

Apply the "Price (lowest to highest)" filter on Expedia to find cheap Southwest Airlines round-trip flights from $270 from CLT to AUS. Affordable one-way tickets from $130 are available too.**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 affordable Southwest Airlines flights from Charlotte-Douglas Intl. Airport (CLT) to Austin-Bergstrom Intl. Airport (AUS) 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 class and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

Sort your results by "Early Morning" and "Morning" to browse the earliest flights from CLT to AUS. Setting off early means you're less likely to experience 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.