$56 Cheap Flights from Phoenix (PHX) to San Antonio (SAT)

View $56 flight on Mon, Oct 13, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to San Antonio International Airport (SAT)

Today's featured flight deals from Phoenix Sky Harbor Intl. Airport (PHX) to San Antonio International Airport (SAT)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Phoenix to San Antonio (PHX-SAT)

Prices were available within the past 7 days and start at $56 for one-way flights and $109 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Oct 24 - Mon, Oct 27
PHX
Phoenix
SAT
San Antonio
$109 Roundtrip, just found
$109
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 24 from Phoenix to San Antonio, returning Mon, Oct 27, priced at $109 just found
Frontier Airlines
Fri, Nov 7 - Mon, Nov 10
PHX
Phoenix
SAT
San Antonio
$132 Roundtrip, just found
$132
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 7 from Phoenix to San Antonio, returning Mon, Nov 10, priced at $132 just found
Frontier Airlines
Fri, Oct 10 - Mon, Oct 13
PHX
Phoenix
SAT
San Antonio
$133 Roundtrip, just found
$133
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 10 from Phoenix to San Antonio, returning Mon, Oct 13, priced at $133 just found
Frontier Airlines
Fri, Oct 10 - Mon, Oct 13
PHX
Phoenix
SAT
San Antonio
$135 Roundtrip, just found
$135
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 10 from Phoenix to San Antonio, returning Mon, Oct 13, priced at $135 just found
Frontier Airlines
Thu, Oct 9 - Mon, Oct 13
PHX
Phoenix
SAT
San Antonio
$137 Roundtrip, found 5 hours ago
$137
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Oct 9 from Phoenix to San Antonio, returning Mon, Oct 13, priced at $137 found 5 hours ago
Frontier Airlines
Fri, Nov 7 - Mon, Nov 10
PHX
Phoenix
SAT
San Antonio
$141 Roundtrip, just found
$141
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 7 from Phoenix to San Antonio, returning Mon, Nov 10, priced at $141 just found
Southwest Airlines
Tue, Oct 28 - Fri, Oct 31
PHX
Phoenix
SAT
San Antonio
$142 Roundtrip, just found
$142
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Oct 28 from Phoenix to San Antonio, returning Fri, Oct 31, priced at $142 just found
American Airlines
Sat, Feb 28 - Tue, Mar 3
PHX
Phoenix
SAT
San Antonio
$163 Roundtrip, found 1 day ago
$163
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 28 from Phoenix to San Antonio, returning Tue, Mar 3, priced at $163 found 1 day ago
Delta
Wed, Dec 3 - Sat, Dec 6
PHX
Phoenix
SAT
San Antonio
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Delta flight, departing Wed, Dec 3 from Phoenix to San Antonio, returning Sat, Dec 6, priced at $217 just found
United
Mon, Nov 24 - Thu, Nov 27
PHX
Phoenix
SAT
San Antonio
$317 Roundtrip, just found
$317
Roundtrip
just found
Select United flight, departing Mon, Nov 24 from Phoenix to San Antonio, returning Thu, Nov 27, priced at $317 just found

Find the cheapest month to fly from Phoenix (PHX) to San Antonio (SAT)

November is typically the cheapest month to fly

From $103 - $303 per traveler.

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT) cost?
Lock in a cheap one-way flight from $56 or cheap return flight from $109 from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT)?
October is the cheapest month to fly from PHX to SAT. Planning your trip for the off-season is often the key to finding better deals on flights.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT)?
Take a nonstop flight with Southwest Airlines and travel straight from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT).
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT)?
The cheapest airline to offer flights between Sky Harbor Intl. Airport (PHX) and San Antonio Intl. Airport (SAT) can vary based on when you plan to fly. American Airlines and Southwest Airlines are just some of your options offering reasonable prices. Use Expedia's filters to compare airlines in one place and find the right PHX to SAT flight for your budget.
How many flights per day from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT)?
Each day on average, 7 direct flights operate from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT). Choose the departure date that best fits your itinerary.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT)?
The 10 AM departures from PHX to SAT see the highest demand. These flights can come with a higher price due to their popularity. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from PHX to SAT?
Fly on a Sunday if you're searching for the biggest selection of flights from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT).
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT)?
Catch the earliest flight at around 6:15AM UTC-7, heading out of Sky Harbor Intl. Airport (PHX). You'll be flying for roughly 2h, reaching San Antonio Intl. Airport (SAT) at approximately 9:15AM UTC-6.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT)?
It takes approximately 2 hours and 7 minutes to fly the 840 mi from PHX to SAT.
What airline has the least delays from PHX to SAT?
American Airlines has the best track record for on-time direct flights from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT), with an on-time rating of 89%. Use the Expedia App to see your journey status before you head off and get immediate updates about any trip changes.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT)?
To avoid possible delays on the Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT) route, travel before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Antonio from Sky Harbor Intl. Airport (PHX)?
If you're traveling on a direct flight from Sky Harbor Intl. Airport (PHX) to San Antonio, San Antonio Intl. Airport (SAT) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute fares from PHX to SAT are usually more expensive. To lock in the best rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book a PHX to SAT flight and hotel package?
Securing a PHX to SAT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to San Antonio Intl. Airport (SAT)?
If you booked your PHX to SAT flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$96
Distance
841 mi
Average flight time
4 hours 47 mins

Book with confidence

Book with confidence

Phoenix to San Antonio Flights

The cheapest times to fly from Phoenix to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to San Antonio are during the month of October. You can find some of the cheapest flights from Phoenix to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to San Antonio

Sunday is one of the best days to book for cheap flights from Phoenix to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $56 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phoenix to San Antonio Flights

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*Available to One Key members.