$106 Cheap Flights from San Antonio (SAT) to Phoenix (PHX)

View $106 flight on Wed, Oct 8, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $106 for one-way flights and $143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Nov 6 - Thu, Nov 13
SAT
San Antonio
PHX
Phoenix
$143 Roundtrip, found 2 days ago
$143
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Nov 6 from San Antonio to Phoenix, returning Thu, Nov 13, priced at $143 found 2 days ago
Southwest Airlines
Wed, Oct 1 - Sun, Nov 2
SAT
San Antonio
PHX
Phoenix
$158 Roundtrip, found 2 days ago
$158
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Oct 1 from San Antonio to Phoenix, returning Sun, Nov 2, priced at $158 found 2 days ago
Spirit Airlines
Wed, Oct 8 - Mon, Oct 13
SAT
San Antonio
PHX
Phoenix
$214 Roundtrip, found 1 hour ago
$214
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, Oct 8 from San Antonio to Phoenix, returning Mon, Oct 13, priced at $214 found 1 hour ago
Frontier Airlines
Sun, Aug 10 - Sat, Aug 16
SAT
San Antonio
PHX
Phoenix
$215 Roundtrip, found 22 hours ago
$215
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Sun, Aug 10 from San Antonio to Phoenix, returning Sat, Aug 16, priced at $215 found 22 hours ago
Southwest Airlines
Mon, Sep 22 - Sat, Sep 27
SAT
San Antonio
PHX
Phoenix
$217 Roundtrip, found 1 hour ago
$217
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, Sep 22 from San Antonio to Phoenix, returning Sat, Sep 27, priced at $217 found 1 hour ago
American Airlines
Mon, Aug 11 - Thu, Aug 14
SAT
San Antonio
PHX
Phoenix
$217 Roundtrip, found 1 hour ago
$217
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Aug 11 from San Antonio to Phoenix, returning Thu, Aug 14, priced at $217 found 1 hour ago
American Airlines
Mon, Aug 11 - Sat, Aug 16
SAT
San Antonio
PHX
Phoenix
$219 Roundtrip, found 1 hour ago
$219
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Aug 11 from San Antonio to Phoenix, returning Sat, Aug 16, priced at $219 found 1 hour ago
Frontier Airlines
Sun, Aug 10 - Sat, Aug 16
SAT
San Antonio
PHX
Phoenix
$220 Roundtrip, found 22 hours ago
$220
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Sun, Aug 10 from San Antonio to Phoenix, returning Sat, Aug 16, priced at $220 found 22 hours ago
Southwest Airlines
Wed, Sep 24 - Mon, Sep 29
SAT
San Antonio
PHX
Phoenix
$222 Roundtrip, found 1 hour ago
$222
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Sep 24 from San Antonio to Phoenix, returning Mon, Sep 29, priced at $222 found 1 hour ago
United
Sat, Aug 23 - Thu, Aug 28
SAT
San Antonio
PHX
Phoenix
$228 Roundtrip, found 1 hour ago
$228
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 23 from San Antonio to Phoenix, returning Thu, Aug 28, priced at $228 found 1 hour ago

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

September is typically the cheapest month to fly

From $76 - $180 per traveler.

Graph displaying average flight prices per month

Alternative airports near Phoenix

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

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $295
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $295
0
Flights from San Antonio (SAT) to Phoenix (PHX)
Origin airport
San Antonio Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$142
Distance
841 mi

San Antonio to Phoenix Flights

The cheapest times to fly from San Antonio to Phoenix

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 San Antonio to Phoenix are during the month of November. You can find some of the cheapest flights from San Antonio to Phoenix with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Antonio to Phoenix: 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 San Antonio to Phoenix

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 San Antonio to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $106 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 San Antonio to Phoenix 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 San Antonio to Phoenix 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 San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX) cost?
Cheap return flights from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX) start from $154. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving SAT on August 2 2025 and touching down at PHX. The price was last updated on July 9 2025 and has not changed since.
What is the cheapest month to fly from SAT to PHX?
The cheapest flights from SAT to PHX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX)?
You can fly directly from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX) on a Southwest Airlines flight.
What is the cheapest airline that flies from SAT to PHX?
Right now, the cheapest airline operating one-way flights from SAT to PHX is Southwest Airlines. You can book a seat on this route from $99. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAT on September 11 2025. Prices were last updated on July 9 2025 and have not changed since.
How many flights per day from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX)?
When flying out of San Antonio Intl. Airport (SAT), you can pick from an average of 7 daily nonstop flights to Sky Harbor Intl. Airport (PHX).
What are the most popular departure times for flights from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX)?
More passengers fly between SAT and PHX at 6 AM than at any other time. Prefer a quieter experience? Try choosing a quieter departure window and you're likely to save on your fare as well.
What day of the week has the most flights from SAT to PHX?
Thursday offers the most flights from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX). Consider jetting off on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX)?
San Antonio Intl. Airport (SAT)'s earliest flight to Sky Harbor Intl. Airport (PHX) is at approximately 6:00AM UTC-6. With a total journey time of 2h 40m, you'll arrive at around 7:40AM UTC-7.
How long does it take to fly from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX)?
Flights from SAT to PHX have an average travel time of 2 hours and 39 minutes. The total distance between the two airports is 840 mi.
What airline has the least delays from SAT to PHX?
With 85% of flights usually arriving on time, Southwest Airlines has the best on-time performance for nonstop flights from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX). To check your flight status and get notified about any changes, use the Expedia App.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX)?
To avoid possible delays on the San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Phoenix from San Antonio Intl. Airport (SAT)?
Compare your flight options from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX). This is the only Phoenix airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX) last-minute?
Booking your flight from SAT to PHX right before your journey is typically more expensive. But if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a SAT to PHX flight and hotel package?
Compared with arranging hotels and flights separately, booking a SAT to PHX flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the stress out of travel planning. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Sky Harbor Intl. Airport (PHX)?
In most instances, you can cancel or reschedule your SAT to PHX flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.