Book Cheap Flights from San Antonio with Alaska Airlines

Flexpay logo

Book now. Pay later.

Spread the cost of your flight over low monthly payments.

Compare one-way ticket prices from San Antonio.*

*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

One-way flight deals from San Antonio.*

*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

Explore Alaska Airlines's Top-Pick Destinations