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$19+ Cheap flights from Sky Harbor Intl (PHX) 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to San Antonio with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to San Antonio are usually found in October or August, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Find flight deals from Sky Harbor Intl to San Antonio

Cheapest flights from Sky Harbor Intl to San Antonio
Explore the most affordable flight options available from Sky Harbor Intl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/30. 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.
Thu 11/1312:40 pmPHX - SAT
1 stop6h 03mFrontier
Sun 11/1610:46 pmSAT - PHX
1 stop10h 34mFrontier
Deal found 10/30$127
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Thu 12/253:43 pmPHX - SAT
1 stop7h 34mFrontier
Thu 1/110:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 10/29$128
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/146:05 amPHX - SAT
Nonstop2h 09mFrontier
Mon 11/178:25 pmSAT - PHX
2 stops15h 03mFrontier
Deal found 10/28$129
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 11/146:05 amPHX - SAT
Nonstop2h 09mMultiple Airlines
Tue 11/186:45 amSAT - PHX
1 stop16h 38mMultiple Airlines
Deal found 10/29$131
This Frontier deal was found by Cheapflights users on 10/30. 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 11/76:05 amPHX - SAT
Nonstop2h 09mFrontier
Thu 11/202:08 pmSAT - PHX
1 stop8h 30mFrontier
Deal found 10/30$133
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/243:43 pmPHX - SAT
1 stop20h 31mFrontier
Thu 1/110:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 10/29$135
This Frontier deal was found by Cheapflights users on 10/28. 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 11/76:05 amPHX - SAT
Nonstop2h 09mFrontier
Sun 11/99:59 amSAT - PHX
Nonstop2h 31mFrontier
Deal found 10/28$136
This Southwest deal was found by Cheapflights users on 10/29. 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.
Fri 12/56:40 pmPHX - SAT
Nonstop2h 05mSouthwest
Mon 12/86:25 pmSAT - PHX
Nonstop2h 30mSouthwest
Deal found 10/29$139
This CheapOair deal was found by Cheapflights users on 10/29. 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.
Thu 11/610:00 pmPHX - SAT
1 stop14h 14mFrontier
Mon 11/1010:04 amSAT - PHX
Nonstop2h 31mFrontier
Deal found 10/29$143
This CheapOair deal was found by Cheapflights users on 10/30. 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.
Fri 11/149:34 amPHX - SAT
1 stop8h 56mFrontier
Sun 11/1610:46 pmSAT - PHX
1 stop10h 34mFrontier
Deal found 10/30$144

Cheap flight deals from Sky Harbor Intl to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$127
(Priceline)

One-way from

$19
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$232

Good round-trip deal

$165 or less

Good one-way deal

$74 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-San Antonio flights.
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From Phoenix Sky Harbor Intl to San Antonio
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One-way flight from Phoenix Sky Harbor Intl to San Antonio
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($36 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 October 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to San Antonio.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to San Antonio.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 October 30, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to San Antonio that are best for you.

Fly from

Sky Harbor Intl

Fly to

San Antonio

Route

Depart

Return

Price

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Fri 12/5

6:40 pm-9:45 pm

Nonstop2h 05m

San Antonio

Mon 12/8

6:25 pm-7:55 pm

Nonstop2h 30m

$139

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Sun 1/4

6:15 am-9:23 am

Nonstop2h 08m

San Antonio

Tue 1/6

5:10 am-1:22 pm

1 stop9h 12m

$161

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Fri 11/14

10:00 pm-2:17 pm

2 stops15h 17m

San Antonio

Mon 11/17

8:25 pm-12:29 am

1 stop5h 04m

$164

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Thu 12/25

6:15 am-9:23 am

Nonstop2h 08m

San Antonio

Thu 1/1

2:09 pm-11:40 pm

2 stops10h 31m

$172

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Thu 11/6

9:34 am-7:06 pm

1 stop8h 32m

San Antonio

Sat 11/8

3:12 pm-8:47 pm

1 stop6h 35m

$190

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Mon 12/15

8:00 am-11:08 am

Nonstop2h 08m

San Antonio

Fri 12/19

6:45 am-8:21 am

1 stop26h 36m

$192

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Fri 11/7

6:05 am-9:14 am

Nonstop2h 09m

San Antonio

Wed 11/19

6:45 am-10:23 pm

1 stop16h 38m

$200

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Mon 11/24

6:27 pm-12:35 am

1 stop5h 08m

San Antonio

Thu 11/27

12:45 pm-5:22 pm

1 stop5h 37m

$217

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 1/20

10:46 am-5:25 pm

1 stop5h 39m

San Antonio

Fri 1/23

4:42 pm-11:31 pm

1 stop7h 49m

$218

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Fri 11/7

6:05 am-9:14 am

Nonstop2h 09m

San Antonio

Thu 11/20

2:12 pm-9:38 pm

1 stop8h 26m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 20 results
1
2

Compare providers for flights from Sky Harbor Intl 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 Sky Harbor Intl to San Antonio in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*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 Sky Harbor Intl Airport-San Antonio flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Phoenix Sky Harbor Intl Airport-San Antonio flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-San Antonio flights, Cheapflights users trust CheapOair the most. CheapOair 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 Sky Harbor Intl Airport-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 Sky Harbor Intl to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Sky Harbor Intl 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 Sky Harbor Intl Airport to San Antonio

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to San Antonio. Price data was last updated on October 24, 2025.

The price you pay for your flight from Phoenix Sky Harbor Intl Airport to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to San Antonio?

Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Antonio (average of $85). Flying from Phoenix Sky Harbor Intl Airport to San Antonio in November is currently the most expensive (average of $130). 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 Sky Harbor Intl 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 October 30, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 9% on flights from Phoenix Sky Harbor Intl Airport to San Antonio by exploring options for tickets at noon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to San Antonio. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to San Antonio flight should consider departing on Saturday 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.

The best insider tips for Phoenix Sky Harbor Intl Airport to San Antonio flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to San Antonio trip
Airports
PHX

PHX security lines are short, often under 10 minutes. Check live wait times online to choose the fastest lane.

Read more about PHXby Brandon Schultz
SAT

From SAT, rideshare services pick up on Terminal A's lower level. VIA bus Route 5 reaches downtown in about 30 minutes.

Read more about SATby Ramsey Qubein
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on SAT

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 October 30, 2025.
Read reviews from past customers who have flown Southwest, American Airlines, and Spirit Airlines from Phoenix Sky Harbor Intl Airport to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
11,034 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
8,115 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
3,123 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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 Sky Harbor Intl 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 Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to San Antonio, you will be flying into San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 1 inbound flight from Phoenix Sky Harbor Intl per day. 4 airlines have flights to San Antonio from Phoenix Sky Harbor Intl on a regular basis.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to San Antonio?

    For as low as $139, Southwest can have you in San Antonio from Phoenix Sky Harbor Intl Airport in 2h 05m. The distance from Phoenix Sky Harbor Intl Airport to San Antonio is about 840 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Frontier, at $100, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to San Antonio.Alternate airlines to your destination round-trip include Spirit Airlines and American Airlines. Users have found that Frontier is 70% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to San Antonio?

    The top 3 most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to San Antonio are Frontier (100%), Southwest (77%) and Alaska Airlines (77%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to San Antonio?

    Looking for the cheapest flight from Phoenix Sky Harbor Intl Airport to San Antonio? While on average our users pay $225, our data indicates the cheapest price to be $29. The most popular route (Phoenix Sky Harbor Intl - San Antonio), is priced around $119.

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

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

  • How can I find direct flights from Sky Harbor Intl to San Antonio?

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

  • Can I find deals for business class flights from Sky Harbor Intl to San Antonio?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Sky Harbor Intl Airport to San Antonio?

    Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Antonio (average of $85). Flying from Phoenix Sky Harbor Intl Airport to San Antonio in November is currently the most expensive (average of $130). 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 4 airlines flying from Sky Harbor Intl to San Antonio

Discover the top 4 airlines that operate flights from Sky Harbor Intl 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$214FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$250FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$196Average$392FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$199Average$367FlexibilityNo cancel feeOn-time63%

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