Phoenix to San Antonio (PHX-SAT): Nonstop Upgrade & Award Space
American Airlines and Southwest Airlines fly nonstop between Phoenix (PHX) and San Antonio (SAT), roughly 20 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every PHX to SAT departure, so you know which flights have space before you book.
Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.
Confirmed upgrade & award space on every PHX to SAT departure
2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Phoenix to San Antonio to see which departures have real space, or watch the route and get alerted when space opens.
See real availability
Confirmed upgrade and award seats on each PHX to SAT departure, checked against live inventory so you know what is open before you book.
Set an alert
Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.
Plan on the map
See PHX to SAT on the interactive route map, with schedules, connections, and route statistics.
Airlines flying Phoenix to San Antonio nonstop
Carriers operating PHX to SAT nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.
- American Airlines
- Southwest Airlines
Frequently asked questions about PHX to SAT
How far is San Antonio from Phoenix?
Which airlines fly nonstop from PHX to SAT?
How many flights a week are there from PHX to SAT?
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Never miss PHX to SAT upgrade or award space
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