AirHint found the following cheapest one-way flights from San Antonio (SAT) to Phoenix (PHX) in October 2025 (see full year).

One-Way flights

20 Oct	Frontier Airlines	direct
24 Oct	Frontier Airlines	direct
27 Oct	Frontier Airlines	direct
31 Oct	Frontier Airlines	direct
03 Oct	Frontier Airlines
07 Oct	Frontier Airlines
04 Oct	Frontier Airlines
06 Oct	Frontier Airlines
17 Oct	Frontier Airlines	direct
30 Oct	Frontier Airlines

Also check the deals for return flights from San Antonio to Phoenix in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from San Antonio to Phoenix in October from 33€

One-Way flights