$47 Cheap Spirit Airlines flights San Antonio (SAT) to San Diego (SAN)

You’ll discover affordable round-trip Spirit Airlines flights from $94 from SAT to SAN by organizing your results from “Price (lowest to highest)” on Expedia. Or search for options from $47 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 San Diego are often more affordable in the low-season months of January and November. Whether you’re searching for a return or one-way ticket, you could land a better deal then.

Start searching one to three months before your departure to find cheap fares on Spirit Airlines flights from San Antonio Intl. Airport (SAT) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic journeys.*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 use the “Nonstop” filter on Expedia to browse any direct flights from SAT to SAN with Spirit Airlines or another airline.

Search Spirit Airlines’s earliest flights from SAT to SAN by selecting our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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.

Spirit Airlines flights from San Antonio Intl. Airport (SAT) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main entry point here.

Offering a rewarding loyalty program, Spirit Airlines is a top choice for many travelers flying from SAT to SAN. Plus, if you’re a Free Spirit and One Key™ member booking through Expedia, you can 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 often free within 24 hours of booking, but your airline may add a charge after that. For further details about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your plans without additional charges, apply the “Changes included” or “No cancel fee” filter when organizing your next trip.