$143 Cheap American Airlines flights Ontario (ONT) to San Antonio (SAT)

You can discover affordable round-trip American Airlines flights from $255 from ONT to SAT by sorting your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $143 for a one-way journey.**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.

American Airlines flights to San Antonio are generally cheaper in the low-season months of January and September. Whether you need a one-way or a return ticket, you could find a better deal then.

For cheap American Airlines fares from Los Angeles - Ontario Intl. Airport (ONT) to San Antonio Intl. Airport (SAT), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the price you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**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.

Click on the “Nonstop” filter when looking for direct American Airlines flights from ONT to SAT. It’s also a great way to compare other airlines servicing the same nonstop trip.

Search American Airlines’s earliest flights from ONT to SAT by checking our “Early Morning” and “Morning” filters. Not only will you arrive sooner, early departures are also 20% less likely to be 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.

American Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to San Antonio touch down at San Antonio Intl. Airport (SAT). This is the main gateway to this destination.

Changes are typically free within 24 hours of making a booking, but your airline may charge you after that. For more details about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without extra charges, tick the “Changes included” or “No cancel fee” filter when organizing your next adventure.