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$38+ Cheap flights from Phoenix to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAT
oct. 15 — oct. 221
mer. 10/15
mer. 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to San Antonio are usually found in August or October, booked 79 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Phoenix to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septembre 15, 2025.

Round-trip from

$144
(CheapOair)

One-way from

$38
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$288
From Phoenix to San Antonio
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One-way flight from Phoenix to San Antonio
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Highest demand for flights based on searches. 8% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Phoenix to San Antonio

Cheapest flights from Phoenix to San Antonio
Explore the most affordable flight options available from Phoenix to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 15, 2025.

This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/125:45 amPHX - SAT
1 stop5h 34mFrontier
dim. 10/129:52 pmSAT - PHX
1 stop24h 56mFrontier
Deal found 9/13$144
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/109:59 pmPHX - SAT
1 stop16h 38mFrontier
dim. 10/129:52 pmSAT - PHX
1 stop27h 49mFrontier
Deal found 9/14$145
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/278:00 amPHX - SAT
1 stop5h 50mFrontier
dim. 9/289:55 amSAT - PHX
1 stop24h 05mFrontier
Deal found 9/14$147
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/116:36 amPHX - SAT
1 stop8h 01mFrontier
ven. 10/1710:54 amSAT - PHX
Nonstop2h 31mFrontier
Deal found 9/14$149
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/226:33 amPHX - SAT
1 stop6h 41mFrontier
jeu. 10/2312:09 pmSAT - PHX
1 stop8h 12mFrontier
Deal found 9/14$152
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/154:14 pmPHX - SAT
1 stop25h 27mFrontier
dim. 10/1910:54 amSAT - PHX
Nonstop2h 31mFrontier
Deal found 9/14$154
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/147:35 amPHX - SAT
Nonstop2h 10mSouthwest
mar. 10/217:30 pmSAT - PHX
Nonstop2h 20mSouthwest
Deal found 9/14$155
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/266:00 amPHX - SAT
1 stop5h 16mFrontier
dim. 9/288:20 pmSAT - PHX
1 stop13h 40mFrontier
Deal found 9/14$156
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/107:35 pmPHX - SAT
Nonstop2h 05mSouthwest
mar. 10/147:30 pmSAT - PHX
Nonstop2h 20mSouthwest
Deal found 9/14$162
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/107:21 amPHX - SAT
1 stop10h 14mFrontier
mar. 10/143:59 pmSAT - PHX
1 stop7h 56mFrontier
Deal found 9/14$163
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/278:00 amPHX - SAT
1 stop5h 50mFrontier
sam. 10/43:22 pmSAT - PHX
1 stop8h 31mFrontier
Deal found 9/13$164
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/3011:30 amPHX - SAT
1 stop6h 18mMultiple Airlines
mar. 11/47:00 amSAT - PHX
1 stop12h 50mMultiple Airlines
Deal found 9/12$169

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septembre 15, 2025.
Use the filters below to find and compare flights from Phoenix to San Antonio that are best for you.

Fly from

Phoenix

Fly to

San Antonio

Route

Depart

Return

Price

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

dim. 10/12

5:45 am-1:19 pm

1 stop5h 34m

San Antonio

dim. 10/12

9:52 pm-8:48 pm

1 stop24h 56m

$144

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

jeu. 10/9

9:21 am-7:41 pm

1 stop8h 20m

San Antonio

mer. 10/15

3:59 pm-9:55 pm

1 stop7h 56m

$147

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

jeu. 10/30

7:30 am-11:40 am

Nonstop2h 10m

San Antonio

mar. 11/4

6:45 pm-10:35 pm

1 stop4h 50m

$152

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

ven. 10/10

7:35 pm-11:40 pm

Nonstop2h 05m

San Antonio

mar. 10/14

7:30 pm-7:50 pm

Nonstop2h 20m

$162

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

ven. 10/10

7:21 am-7:35 pm

1 stop10h 14m

San Antonio

mar. 10/14

3:59 pm-9:55 pm

1 stop7h 56m

$163

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

sam. 9/27

8:00 am-3:50 pm

1 stop5h 50m

San Antonio

sam. 10/4

3:22 pm-9:53 pm

1 stop8h 31m

$164

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

mer. 10/22

6:33 am-3:14 pm

1 stop6h 41m

San Antonio

ven. 10/24

8:26 pm-3:41 pm

2 stops21h 15m

$198

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

mar. 10/14

6:55 pm-11:00 pm

Nonstop2h 05m

San Antonio

mar. 10/21

7:35 pm-10:00 pm

1 stop4h 25m

$200

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

mar. 10/28

3:30 pm-10:20 pm

1 stop4h 50m

San Antonio

jeu. 10/30

8:35 pm-9:00 pm

Nonstop2h 25m

$200

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

mar. 11/4

5:40 pm-11:46 pm

1 stop5h 06m

San Antonio

ven. 11/7

4:51 pm-11:58 pm

1 stop8h 07m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
1
2
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Best time to book a flight from Phoenix to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Phoenix with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to San Antonio

How far ahead should I book a flight from Phoenix to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to San Antonio. Price data was last updated on September 12, 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Phoenix to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Phoenix to San Antonio (average of $295). Flying from Phoenix to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to SAT?

Find hourly flight availability from Phoenix to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septembre 15, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 3% on flights from Phoenix to San Antonio by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Phoenix to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix to San Antonio flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix to San Antonio

Explore weekly flight availability from Phoenix to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septembre 15, 2025.

The most flights from PH1 to SAT are scheduled on a Friday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated septembre 15, 2025.
See what other customers who have flown with Southwest, American Airlines, and Spirit Airlines from Phoenix to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,016 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Phoenix to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Antonio from Phoenix?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly into when you book flights from Phoenix to San Antonio. 4 airlines have flights to San Antonio from Phoenix on a regular basis. Booking flights from Phoenix to San Antonio should not be difficult; the airport handles an average of 7 inbound flights from Phoenix per day.

  • How long is the flight from Phoenix to San Antonio?

    Airlines like Frontier and Southwest fly from Phoenix to San Antonio in about 2h 05m. The time it takes to get you to your destination can typically vary by up to 6h 15m. The distance between Phoenix and San Antonio is about 840 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Phoenix to San Antonio round-trip?

    Flying on Frontier is currently your cheapest option to San Antonio, with prices starting at $107. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $137 and $233, respectively. You may be able to fly from Phoenix to San Antonio for 68% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Phoenix to San Antonio one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $76. Users have also found prices from $78 and $78 on American Airlines and Southwest, respectively.

  • What are the most reliable airlines from Phoenix to San Antonio?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix to San Antonio on time: Alaska Airlines (80%), American Airlines (79%), Southwest (76%).

  • What are the cheapest flights from Phoenix to San Antonio?

    Looking for the cheapest flight from Phoenix to San Antonio? While on average our users pay $281, our data indicates the cheapest price to be $59. The most popular route (Phoenix Sky Harbor Intl - San Antonio), is priced around $131.

  • Can I find deals for flights from Phoenix to San Antonio that include hotel bookings?

    Yes. In addition to deals on Phoenix to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to San Antonio.

  • Can I find deals for business class flights from Phoenix to San Antonio?

    Yes. Cheapflights offers flight deals from Phoenix to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Phoenix to San Antonio (average of $295). Flying from Phoenix to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Phoenix to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Phoenix to San Antonio

Discover the top 5 airlines that operate flights from Phoenix to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$107Average$219FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$137Average$224FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$233Average$396FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$253Average$372FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$434Average$608FlexibilityNo cancel feeOn-time69%

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