$89 Cheap Spirit Airlines flights Newark Liberty Intl. Airport (EWR) to Austin (AUS)

You can discover affordable round-trip Spirit Airlines flights from $178 from EWR to AUS by filtering your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $89 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.

Spirit Airlines flights to Austin are usually cheaper in the off-peak months of January and December. Whether you’re searching for a one-way or a return ticket, you could score a better deal then.

Search for cheap Spirit Airlines flights from Liberty Intl. Airport (EWR) to Austin-Bergstrom Intl. Airport (AUS) 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 class and itinerary, the ideal 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 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.

Fill in your dates, click search and check the “Nonstop” filter on Expedia to find any direct flights from EWR to AUS with Spirit Airlines or other carriers.

Filter your results by “Morning” and “Early Morning” to find the earliest flights from EWR to AUS. Leaving 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.

Hop on a Spirit Airlines flight from Liberty Intl. Airport (EWR) to Austin, and you’re most likely to land at Austin-Bergstrom Intl. Airport (AUS). This is the airline’s main hub here.

Offering a rewarding loyalty program, Spirit Airlines is a popular choice for many travelers heading from EWR to AUS. Plus, as a Free Spirit and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making a booking, but your airline may charge you after that. For further details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to adjust your plans without being charged, check the “No cancel fee” or “Changes included” filter when organizing your trip.