What are the cheapest flights from Atlanta to San Antonio?

To find the absolute cheapest flights, we recommend using Trip.com's search engine. Enter your desired travel dates, and compare prices across all available airlines. Look for options with one stop if direct flights are too expensive, as these can sometimes offer significant savings.

💰 Offer for Specific Dates: Finding the Cheapest Flights

Finding the cheapest flights from Atlanta to San Antonio requires flexibility and strategic planning. Here’s how you can optimize your search:

• Flexibility with Dates: Mid-week flights (Tuesday, Wednesday) are often cheaper than weekend or Monday/Friday travel. Traveling during the off-peak season (e.g., late January, February, September) generally yields lower fares compared to holidays or summer months.
• Book in Advance: Generally, booking your flight 2-3 months in advance for domestic travel can secure better prices. Last-minute bookings tend to be more expensive.
• Consider Budget Airlines: Airlines like Spirit Airlines and Frontier Airlines frequently offer lower base fares. However, be mindful of additional costs for baggage, seat selection, and other services.
• Compare All Airlines: Don't limit your search to just one or two carriers. Major airlines such as Delta Air Lines, Southwest Airlines, American Airlines, and United Airlines all operate on this route, and their pricing can vary significantly based on demand and booking class.

Example Price Ranges (Hypothetical for illustration, always check real-time):

Prices in this article are referenced from Trip.com. Data was updated on December 5, 2025; please refer to real-time search for specific details.