HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sky Harbor Intl

$29+ Cheap flights from San Antonio (SAT) to Sky Harbor Intl (PHX)

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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — PHX
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Antonio to Phoenix Sky Harbor Intl are usually found in October or September, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from San Antonio to Sky Harbor Intl

Cheapest flights from San Antonio to Sky Harbor Intl
Explore the most affordable flight options available from San Antonio to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Frontier deal was found by Cheapflights users on 12/4. 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 12/1810:18 amSAT - PHX
Nonstop2h 34mFrontier
Thu 12/256:15 amPHX - SAT
Nonstop2h 08mFrontier
Deal found 12/4$81
This Frontier deal was found by Cheapflights users on 12/3. 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 12/2310:18 amSAT - PHX
Nonstop2h 34mFrontier
Thu 1/16:15 amPHX - SAT
Nonstop2h 08mFrontier
Deal found 12/3$88
This Frontier deal was found by Cheapflights users on 12/2. 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 12/2310:18 amSAT - PHX
Nonstop2h 34mFrontier
Tue 1/61:07 pmPHX - SAT
Nonstop2h 08mFrontier
Deal found 12/2$103
This Super.com deal was found by Cheapflights users on 12/3. 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.
Thu 12/2510:18 amSAT - PHX
Nonstop2h 34mFrontier
Tue 12/306:15 amPHX - SAT
Nonstop2h 08mFrontier
Deal found 12/3$109
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/1810:18 amSAT - PHX
Nonstop2h 34mFrontier
Tue 12/236:15 amPHX - SAT
Nonstop2h 08mFrontier
Deal found 12/2$110
This Frontier deal was found by Cheapflights users on 12/2. 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.
Wed 12/242:09 pmSAT - PHX
1 stop11h 20mFrontier
Thu 1/16:15 amPHX - SAT
Nonstop2h 08mFrontier
Deal found 12/2$111
This Mytrip deal was found by Cheapflights users on 12/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:45 amSAT - PHX
1 stop18h 44mFrontier
Thu 1/16:15 amPHX - SAT
Nonstop2h 08mFrontier
Deal found 12/3$112
This Frontier deal was found by Cheapflights users on 12/1. 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 12/2110:18 amSAT - PHX
Nonstop2h 34mFrontier
Sun 12/286:15 amPHX - SAT
Nonstop2h 08mFrontier
Deal found 12/1$118
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Sun 12/76:10 pmSAT - PHX
1 stop15h 38mMultiple Airlines
Wed 12/107:43 pmPHX - SAT
1 stop16h 13mMultiple Airlines
Deal found 12/1$123
This Frontier deal was found by Cheapflights users on 12/4. 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 12/2110:18 amSAT - PHX
Nonstop2h 34mFrontier
Thu 12/256:15 amPHX - SAT
Nonstop2h 08mFrontier
Deal found 12/4$124
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/812:03 pmSAT - PHX
Nonstop2h 34mFrontier
Wed 12/1010:05 amPHX - SAT
2 stops25h 51mFrontier
Deal found 12/1$127

Find flight deals from San Antonio to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Sky Harbor Intl (PHX). 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 4, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$80
(Kiwi.com)

One-way from

$29
(Super.com)

Popular in

March

Cheapest in

October

Average price

$341

Good round-trip deal

$202 or less

Good one-way deal

$114 or less
Provider with most accurate pricing for San Antonio-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Phoenix Sky Harbor Intl flights.
Search Deals
From San Antonio to Phoenix Sky Harbor Intl
Search Deals
One-way flight from San Antonio to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($42 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 December 2025
Search Deals
Price to beat on a round-trip flight from San Antonio to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from San Antonio to Phoenix Sky Harbor Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Sky Harbor Intl 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 4, 2025.
Use the filters below to find and compare flights from San Antonio to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

San Antonio

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Sat 1/3

6:45 am-2:33 pm

1 stop8h 48m

Phoenix Sky Harbor Intl

Tue 1/6

1:07 pm-4:15 pm

Nonstop2h 08m

$112

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Sat 1/24

7:00 am-12:41 pm

1 stop6h 41m

Phoenix Sky Harbor Intl

Sat 2/7

6:55 am-1:38 pm

1 stop5h 43m

$197

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Wed 1/28

7:00 am-12:41 pm

1 stop6h 41m

Phoenix Sky Harbor Intl

Mon 2/2

6:20 pm-12:41 am

1 stop5h 21m

$197

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Thu 1/29

4:40 pm-11:15 pm

1 stop7h 35m

Phoenix Sky Harbor Intl

Tue 2/3

6:55 am-1:48 pm

1 stop5h 53m

$197

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Fri 1/30

6:20 pm-12:42 am

1 stop7h 22m

Phoenix Sky Harbor Intl

Tue 2/3

5:00 pm-11:43 pm

1 stop5h 43m

$197

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Wed 2/11

4:13 pm-10:50 pm

1 stop7h 37m

Phoenix Sky Harbor Intl

Mon 2/16

6:44 am-3:14 pm

2 stops31h 30m

$208

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Thu 1/29

6:20 pm-12:42 am

1 stop7h 22m

Phoenix Sky Harbor Intl

Mon 2/2

7:59 pm-5:25 pm

2 stops20h 26m

$225

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Wed 12/17

6:10 pm-8:21 am

2 stops15h 11m

Phoenix Sky Harbor Intl

Sun 1/4

7:00 am-12:17 am

1 stop16h 17m

$229

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Sat 1/24

10:15 am-4:15 pm

1 stop7h 00m

Phoenix Sky Harbor Intl

Tue 2/3

12:25 pm-7:05 pm

2 stops5h 40m

$234

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Sun 3/1

3:03 pm-4:37 pm

Nonstop2h 34m

$51

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 18 results
1
2

Compare providers for flights from San Antonio to Sky Harbor Intl

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 San Antonio to Sky Harbor Intl in December.
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
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust 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 San Antonio-Phoenix Sky Harbor Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Antonio-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from San Antonio-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Phoenix Sky Harbor Intl Airport 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 San Antonio-Phoenix Sky Harbor Intl Airport 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 San Antonio to Sky Harbor Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Sky Harbor Intl. Price data was last updated on November 28, 2025.

The best time to book flights from San Antonio to Phoenix Sky Harbor Intl Airport is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, December is the cheapest month in which you can book a flight from San Antonio to Phoenix Sky Harbor Intl Airport (average of $47). Flying from San Antonio to Phoenix Sky Harbor Intl Airport in April is currently the most expensive (average of $138). 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 SAT to PHX?

Find hourly flight availability from San Antonio to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

A simple way to save on the total cost of your ticket is to fly from San Antonio to Phoenix Sky Harbor Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Sky Harbor Intl. Price data was last updated on November 29, 2025.

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

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Phoenix Sky Harbor Intl Airport trip
Airports
SAT

For longer trips, the economy lots with shuttle service offer better value than the new parking garage at SAT.

Read more about SATby Ramsey Qubein
PHX

Take the PHX Sky Train to 44th Street Station for quick access to downtown via light rail or bus.

Read more about PHXby Brandon Schultz
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 Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated December 4, 2025.
Peruse reviews from past customers who have flown with Southwest, American Airlines, and JetBlue from San Antonio to Phoenix Sky Harbor Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
11,047 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.2
Good
2,898 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.8
Fair
3,090 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Sky Harbor Intl. 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 from for flights from San Antonio to Phoenix Sky Harbor Intl?

    If you book a flight to Phoenix Sky Harbor Intl from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 9 flights from San Antonio to Phoenix Sky Harbor Intl per day from 4 different airlines.

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

    A quick flight from San Antonio to Phoenix Sky Harbor Intl Airport can take about 6h 41m. Frontier provides one of the quickest options available for as low as $197. The distance between San Antonio and Phoenix Sky Harbor Intl Airport is about 840 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Frontier, at $50, was found to be the cheapest airline from San Antonio to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include JetBlue and Southwest. These flights start at 85% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $39. Southwest flights start at $71 while deals on Spirit Airlines start at $81 one-way.

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

    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 San Antonio to Phoenix Sky Harbor Intl Airport on time: American Airlines (83%), Alaska Airlines (82%), Southwest (79%).

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

    Looking at all options, your cheapest flight can be booked for $54. While the most popular route (San Antonio - Phoenix Sky Harbor Intl) can be booked for $127 on average, our data indicates $598 when flying from San Antonio to Phoenix Sky Harbor Intl Airport.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from San Antonio to Phoenix Sky Harbor Intl Airport (average of $47). Flying from San Antonio to Phoenix Sky Harbor Intl Airport in April is currently the most expensive (average of $138). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Payson
Glendale
Chandler
Casa Grande
Globe
Peoria
Camp Verde
Buckeye
Surprise
Paradise Valley
Avondale
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from San Antonio to Sky Harbor Intl

Discover the top 4 airlines that operate flights from San Antonio to Sky Harbor Intl. 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$51Average$192FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$143Average$294FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$151Average$367FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$177Average$371FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.