$100 Cheap American Airlines flights San Antonio (SAT) to San Diego (SAN)

You can discover cheap round-trip American Airlines flights from $199 from SAT to SAN by organizing your results from “Price (lowest to highest)” on Expedia. Or look for deals from $100 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.

January is one of the least expensive months to get away to San Diego with American Airlines. You could also find great deals on one-way and return fares in November.

For cheap American Airlines fares from San Antonio Intl. Airport (SAT) to San Diego Intl. Airport (SAN), 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 influence how much 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 flight 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.

Fill in your dates, click search and select the “Nonstop” filter on Expedia to find any direct flights from SAT to SAN with American Airlines or other carriers.

Sort your results by “Morning” and “Early Morning” to browse the earliest departures from SAT to SAN. Setting off early means flight cancellations are less likely.**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.

Take an American Airlines flight from San Antonio Intl. Airport (SAT) to San Diego, and you’ll likely come in to San Diego Intl. Airport (SAN). This is the airline’s primary hub in this city.

Typically, you can cancel or reschedule your flight, although there may be a charge if you made your booking over 24 hours ago. Prefer to keep your options open? Apply the “Changes included” or “No cancel fee” filter to find flights that won’t penalize you if you need to adjust your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more details.