This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $241 fare is the cheapest current round-trip from Phoenix (PHX) to SAT on Southwest flight WN900, departing 2026-10-08 at 21:15 with return on 2026-10-14.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.