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San Antonio

$29+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAT
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Find cheap flights from Phoenix to San Antonio with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Phoenix to San Antonio are usually found in October or August, booked 53 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 December 23, 2025.

This Frontier deal was found by Cheapflights users on 12/21. 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.
Thu 12/257:00 amPHX - SAT
1 stop5h 14mFrontier
Thu 1/110:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 12/21$171
This Orbitz deal was found by Cheapflights users on 12/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:31 pmPHX - SAT
1 stop11h 50mFrontier
Tue 1/65:10 pmSAT - PHX
Nonstop2h 34mFrontier
Deal found 12/21$191
This Frontier deal was found by Cheapflights users on 12/21. 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.
Tue 12/306:15 amPHX - SAT
Nonstop2h 08mFrontier
Thu 1/110:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 12/21$194
This Booking.com deal was found by Cheapflights users on 12/20. 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.
Mon 12/2910:31 pmPHX - SAT
1 stop11h 50mFrontier
Thu 1/110:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 12/20$196
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:43 pmPHX - SAT
1 stop7h 34mFrontier
Sun 1/46:45 amSAT - PHX
1 stop26h 36mFrontier
Deal found 12/21$197
This Super.com deal was found by Cheapflights users on 12/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:43 pmPHX - SAT
1 stop7h 34mFrontier
Thu 1/110:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 12/21$234
This Frontier deal was found by Cheapflights users on 12/22. 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.
Fri 12/2610:31 pmPHX - SAT
1 stop11h 50mFrontier
Thu 1/110:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 12/22$240
This CheapOair deal was found by Cheapflights users on 12/22. 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.
Wed 12/243:43 pmPHX - SAT
1 stop7h 34mFrontier
Mon 1/56:45 amSAT - PHX
1 stop18h 44mFrontier
Deal found 12/22$243

Find 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 December 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$100
(Kiwi.com)

One-way from

$29
(Frontier)

Popular in

May

Cheapest in

October

Average price

$281
Provider with most accurate pricing for Phoenix-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix-San Antonio flights.
Search Deals
From Phoenix to San Antonio
Search Deals
One-way flight from Phoenix to San Antonio
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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

Sat 1/17

8:45 am-9:30 am

1 stop23h 45m

San Antonio

Mon 1/19

4:25 pm-6:05 pm

Nonstop2h 40m

$141

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 1/13

4:05 pm-8:14 am

2 stops39h 09m

San Antonio

Sun 1/18

5:02 pm-6:42 pm

Nonstop2h 40m

$153

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Sun 1/18

8:03 pm-11:09 pm

Nonstop2h 06m

San Antonio

Sat 1/24

8:57 am-10:39 am

Nonstop2h 42m

$159

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Fri 2/13

5:35 am-8:45 am

Nonstop2h 10m

San Antonio

Mon 2/16

9:33 am-11:16 am

Nonstop2h 43m

$160

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Thu 1/8

1:00 pm-4:08 pm

Nonstop2h 08m

San Antonio

Thu 1/15

10:15 am-12:59 am

1 stop15h 44m

$173

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Sun 1/18

1:11 pm-4:17 pm

Nonstop2h 06m

San Antonio

Sat 1/24

10:35 am-12:10 pm

3 stops26h 35m

$174

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Sun 1/18

9:35 am-4:30 pm

1 stop5h 55m

San Antonio

Sat 1/24

4:10 pm-5:45 pm

Nonstop2h 35m

$179

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Thu 1/1

10:31 pm-11:21 am

1 stop11h 50m

San Antonio

Thu 1/8

10:13 am-8:13 pm

1 stop11h 00m

$187

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Mon 12/29

10:31 pm-11:21 am

1 stop11h 50m

San Antonio

Thu 1/1

10:18 am-11:52 am

Nonstop2h 34m

$196

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Sat 2/21

10:00 am-1:10 pm

Nonstop2h 10m

San Antonio

Wed 2/25

12:40 pm-5:40 pm

1 stop6h 00m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 18 results
1
2

Compare providers for flights from Phoenix to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phoenix to San Antonio in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix-San Antonio flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 19, 2025.

Booking 53 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, December is the cheapest month in which you can book a flight from Phoenix to San Antonio (average of $60). Flying from Phoenix to San Antonio in March is currently the most expensive (average of $118). 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 December 23, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Phoenix to San Antonio by exploring options for tickets at noon.

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 Tuesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Phoenix to San Antonio?

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 December 23, 2025.
See what other customers who have flown with Southwest, American Airlines, and Frontier 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
4,256 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

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
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

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
11,050 reviews
Southwest
8.0
Very good
4,256 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

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
3,073 reviews
Southwest
8.0
Very good
4,256 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

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. 3 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 9 inbound flights from Phoenix per day.

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

    Airlines like Frontier and American Airlines fly from Phoenix to San Antonio in about 2h 06m. The time it takes to get you to your destination can typically vary by up to 21h 39m. 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 $82. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $161 and $190, respectively. You may be able to fly from Phoenix to San Antonio for 73% 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 $36. Users have also found prices from $74 and $74 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: Frontier (92%), Southwest (73%), Alaska Airlines (72%).

  • 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 $167, our data indicates the cheapest price to be $40. The most popular route (Phoenix Sky Harbor Intl - San Antonio), is priced around $121.

  • 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, December is the cheapest month in which you can book a flight from Phoenix to San Antonio (average of $60). Flying from Phoenix to San Antonio in March is currently the most expensive (average of $118). 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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Top 3 airlines flying from Phoenix to San Antonio

Discover the top 3 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$203FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$161Average$368FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$191Average$359FlexibilityNo cancel feeOn-time63%

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