Southwest airlines flights — San Antonio, TX
Last updated: September 24, 2026
What affects the price
Flight prices shift based on how far in advance you book and the flexibility of your travel dates. If you are flying during major holidays or peak vacation weeks, you will see higher rates due to high demand. Choosing mid-week flights or opting for less popular departure times can help keep your budget in check. Cabin class, baggage requirements, and last-minute changes also play a significant role in the final total. Your exact pricing is confirmed free on the call.
About this service
Southwest is known for its straightforward approach, often including two checked bags in your fare. This is a solid option if you are planning a family trip or need flexibility with your luggage. Exact pricing confirmed free on the call.
Frequently asked in San Antonio
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Also serving nearby: New Braunfels · Austin · Round Rock · Georgetown · Killeen
More on this: TSA travel tips — security screening and what to bring.
Service area details
Serving all of San Antonio — population 1,495,295; about 2,997 residents per square mile across 498.9 sq mi. ZIP codes covered include 78201, 78202, 78203, 78204, 78205, 78206, 78207, 78208.
Neighborhoods served in San Antonio: The Pearl District, King William Historic District, Southtown, Alamo Heights, Downtown San Antonio, Monte Vista — and every surrounding area.
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