$44 Cheap Flights from Phoenix (PHX) to San Antonio (SAT)

View $44 flight on Mon, Nov 3, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $44 for one-way flights and $83 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Oct 27 - Fri, Oct 31
PHX
Phoenix
SAT
San Antonio
$83 Roundtrip, just found
$83
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 27 from Phoenix to San Antonio, returning Fri, Oct 31, priced at $83 just found
Frontier Airlines
Mon, Dec 8 - Fri, Dec 12
PHX
Phoenix
SAT
San Antonio
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Dec 8 from Phoenix to San Antonio, returning Fri, Dec 12, priced at $84 just found
Frontier Airlines
Mon, Nov 3 - Fri, Nov 7
PHX
Phoenix
SAT
San Antonio
$118 Roundtrip, just found
$118
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 3 from Phoenix to San Antonio, returning Fri, Nov 7, priced at $118 just found
Frontier Airlines
Fri, Oct 17 - Tue, Oct 21
PHX
Phoenix
SAT
San Antonio
$119 Roundtrip, just found
$119
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 17 from Phoenix to San Antonio, returning Tue, Oct 21, priced at $119 just found
Frontier Airlines
Mon, Nov 3 - Fri, Nov 7
PHX
Phoenix
SAT
San Antonio
$121 Roundtrip, just found
$121
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 3 from Phoenix to San Antonio, returning Fri, Nov 7, priced at $121 just found
Southwest Airlines
Fri, Nov 14 - Mon, Nov 17
PHX
Phoenix
SAT
San Antonio
$121 Roundtrip, found 2 hours ago
$121
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Fri, Nov 14 from Phoenix to San Antonio, returning Mon, Nov 17, priced at $121 found 2 hours ago
Frontier Airlines
Fri, Oct 24 - Mon, Oct 27
PHX
Phoenix
SAT
San Antonio
$123 Roundtrip, just found
$123
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 24 from Phoenix to San Antonio, returning Mon, Oct 27, priced at $123 just found
American Airlines
Thu, Oct 30 - Sat, Nov 1
PHX
Phoenix
SAT
San Antonio
$155 Roundtrip, found 2 hours ago
$155
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Phoenix to San Antonio, returning Sat, Nov 1, priced at $155 found 2 hours ago
United
Mon, Nov 24 - Thu, Nov 27
PHX
Phoenix
SAT
San Antonio
$317 Roundtrip, found 2 hours ago
$317
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Nov 24 from Phoenix to San Antonio, returning Thu, Nov 27, priced at $317 found 2 hours ago
Alaska Airlines
Tue, Nov 4 - Wed, Nov 12
PHX
Phoenix
SAT
San Antonio
$396 Roundtrip, found 15 hours ago
$396
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Phoenix to San Antonio, returning Wed, Nov 12, priced at $396 found 15 hours ago

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.

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $174
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $174
Flights from Phoenix (PHX) to San Antonio (SAT)
Origin airport
Sky Harbor Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$82
Distance
841 mi
Average flight time
4 hours 45 mins

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 $44 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.

 

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 $44 or cheap return flight from $83 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.

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*Available to One Key members.