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Find low faresSouthwest® flights from San Antonio to Phoenix from $81
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1 Passenger
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Low fares from San Antonio to Phoenix
$
San Antonio (SAT)to
Phoenix (PHX)
Depart: 04/08/2026
One-way
Basic
From
$81
Seen: 5 hrs ago
San Antonio (SAT)to
Phoenix (PHX)
Depart: 03/24/2026
One-way
Basic
From
$81
Seen: 59 minutes ago
San Antonio (SAT)to
Phoenix (PHX)
Depart: 04/01/2026
One-way
Basic
From
$81
Seen: 5 hrs ago
San Antonio (SAT)to
Phoenix (PHX)
Depart: 04/07/2026
One-way
Basic
From
$81
Seen: 5 hrs ago
San Antonio (SAT)to
Phoenix (PHX)
Depart: 03/10/2026
One-way
Basic
From
$81
Seen: 13 hrs ago
San Antonio (SAT)to
Phoenix (PHX)
Depart: 03/11/2026
One-way
Basic
From
$81
Seen: 11 hrs ago
Explore flights from San Antonio to Phoenix
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Flight Details
Departing from:
San Antonio International Airport
Arriving at:
Sky Harbor International Airport
Average flight time:
2 hours 26 minutes
Distance:
843 miles
Route Information
156† Weekly flights
- 3‡ Nonstop flights per day Monday through Friday
- 3‡ Nonstop flights on Saturday
- 3‡ Nonstop flights on Sunday
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
The average flight time from San Antonio to Phoenix is 2 hours 26 minutes.
There are 156 weekly flights from San Antonio to Phoenix on Southwest Airlines.
Yes, Southwest flies nonstop from San Antonio to Phoenix 3 times per day from Monday through Friday.
Yes, Southwest flies nonstop from San Antonio to Phoenix 3 times per day on Saturdays and Sundays.
To find the lowest fares by day and time to fly San Antonio to Phoenix with Southwest, check out our Low Fare Calendar.
You can rent a car at Sky Harbor International Airport book yours with your flight.
Yes! Flights from San Antonio to Phoenix—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.