$109 Cheap American Airlines flights Denver (DEN) to San Antonio (SAT)

Grab cheap return American Airlines flights from $164 from DEN to SAT by sorting your results from “Price (lowest to highest)” on Expedia. Or look for deals from $109 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.

January is one of the most affordable months to get away to San Antonio with American Airlines. You could also find fantastic deals on one-way and return fares in September.

For cheap American Airlines fares from Denver Intl. Airport (DEN) to San Antonio Intl. Airport (SAT), start searching one to three months before your planned 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 affect the overall price. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

Use our “Nonstop” filter when looking for direct American Airlines flights from DEN to SAT. You can also compare other airlines servicing the same nonstop trip.

To find the earliest departure from DEN to SAT with American Airlines, sort your results by “Early Morning” and “Morning.” Choosing an early flight usually 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.

Get on an American Airlines flight from Denver Intl. Airport (DEN) to San Antonio, and you’re most likely to arrive at San Antonio Intl. Airport (SAT). This is the airline’s main hub in this city.

Typically, you can cancel or reschedule your flight, although additional fees may apply if you booked more than 24 hours ago. Need flexible options? Use our “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you have to adjust your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more information.