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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
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 70 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Tue 12/2310:26 pmPHX - SAT
2 stops17h 35mFrontier
Thu 12/2510:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 11/12$115
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Mon 12/1510:36 pmPHX - SAT
1 stop17h 29mMultiple Airlines
Tue 12/2310:18 amSAT - PHX
Nonstop2h 34mMultiple Airlines
Deal found 11/10$120
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 11/2110:11 pmPHX - SAT
1 stop10h 59mFrontier
Mon 11/246:22 pmSAT - PHX
Nonstop2h 33mFrontier
Deal found 11/11$121
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Tue 12/27:43 pmPHX - SAT
1 stop19h 16mMultiple Airlines
Fri 12/59:25 pmSAT - PHX
Nonstop2h 34mMultiple Airlines
Deal found 11/12$122
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/512:15 pmPHX - SAT
1 stop5h 45mFrontier
Thu 12/117:56 pmSAT - PHX
1 stop5h 48mFrontier
Deal found 11/11$123
This Frontier deal was found by Cheapflights users on 11/10. 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.
Sun 12/216:15 amPHX - SAT
Nonstop2h 08mFrontier
Thu 12/2510:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 11/10$124
This Frontier deal was found by Cheapflights users on 11/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:15 pmPHX - SAT
1 stop5h 45mFrontier
Mon 12/87:43 pmSAT - PHX
1 stop20h 24mFrontier
Deal found 11/12$125
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/1810:31 pmPHX - SAT
1 stop11h 50mFrontier
Thu 12/2510:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 11/10$128
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Tue 12/910:05 amPHX - SAT
1 stop7h 54mMultiple Airlines
Tue 12/167:00 amSAT - PHX
1 stop10h 29mMultiple Airlines
Deal found 11/11$130
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Sat 12/203:43 pmPHX - SAT
1 stop7h 34mFrontier
Tue 12/2310:18 amSAT - PHX
Nonstop2h 34mFrontier
Deal found 11/10$133
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Mon 12/812:16 pmPHX - SAT
1 stop5h 42mMultiple Airlines
Tue 12/97:00 amSAT - PHX
1 stop10h 29mMultiple Airlines
Deal found 11/11$134
This CheapOair deal was found by Cheapflights users on 11/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:43 pmPHX - SAT
1 stop11h 01mFrontier
Sun 11/239:47 amSAT - PHX
Nonstop2h 33mFrontier
Deal found 11/12$135

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 November 13, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$115
(Kiwi.com)

One-way from

$19
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$311

Good round-trip deal

$159 or less

Good one-way deal

$39 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. 7% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to San Antonio.
Search Deals
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 November 13, 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

Thu 11/20

10:43 pm-10:44 am

1 stop11h 01m

San Antonio

Mon 11/24

6:22 pm-7:55 pm

Nonstop2h 33m

$135

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Thu 12/25

4:55 pm-10:15 pm

1 stop4h 20m

San Antonio

Thu 1/1

11:05 am-12:40 pm

Nonstop2h 35m

$145

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Fri 12/19

3:43 pm-12:17 am

1 stop7h 34m

San Antonio

Mon 12/22

5:56 pm-4:54 pm

2 stops23h 58m

$162

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Sun 1/4

12:59 am-6:16 pm

1 stop16h 17m

San Antonio

Tue 1/6

5:10 pm-6:44 pm

Nonstop2h 34m

$170

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 12/2

10:05 am-3:59 pm

2 stops28h 54m

San Antonio

Fri 12/5

1:51 pm-6:31 pm

1 stop5h 40m

$178

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Fri 11/21

4:37 pm-12:20 am

1 stop6h 43m

San Antonio

Sun 11/23

9:47 am-11:20 am

Nonstop2h 33m

$181

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 1/13

5:10 pm-8:14 am

3 stops38h 04m

San Antonio

Fri 1/16

4:25 pm-6:05 pm

Nonstop2h 40m

$184

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 11/18

9:05 pm-6:45 pm

1 stop20h 40m

San Antonio

Thu 11/20

7:38 pm-11:17 pm

1 stop28h 39m

$190

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 12/9

5:25 am-11:15 am

1 stop4h 50m

San Antonio

Tue 12/16

6:25 pm-7:55 pm

Nonstop2h 30m

$194

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 1/13

8:50 am-11:55 am

Nonstop2h 05m

San Antonio

Fri 1/16

7:15 pm-11:05 pm

1 stop4h 50m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 November.
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 November 7, 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 70 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, December is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Antonio (average of $62). Flying from Phoenix Sky Harbor Intl Airport 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 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 November 13, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 14% 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 November 2, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to San Antonio flight should consider departing on Wednesday 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 November 13, 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
4,236 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

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
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

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
4,236 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

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
8,139 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

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
3,114 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

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 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 11 inbound flights 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 $145, Frontier can have you in San Antonio from Phoenix Sky Harbor Intl Airport in 4h 20m. 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 69% 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 (72%) and Alaska Airlines (69%).

  • 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 $208, our data indicates the cheapest price to be $29. The most popular route (Phoenix Sky Harbor Intl - San Antonio), is priced around $109.

  • 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, December is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Antonio (average of $62). Flying from Phoenix Sky Harbor Intl Airport 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 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$219FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$272FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$184Average$387FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$199Average$367FlexibilityNo cancel feeOn-time63%

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