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Cheap flights from Phoenix Sky Harbor Intl Airport to San Antonio from $48

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to San Antonio departing on 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:35 am - 8:45 am
PHX
-
SAT
2h 10mnonstop
Frontier Logo
4:54 pm - 5:37 pm
SAT
-
PHX
2h 43mnonstop
$144Frontier
man., mar. 2 - søn., mar. 8
Frontier Logo
5:25 am - 8:35 am
PHX
-
SAT
2h 10mnonstop
Frontier Logo
8:20 pm - 12:41 am
SAT
-
PHX
5h 21m
1 stop
$147Frontier
man., feb. 23 - tor., feb. 26
Frontier Logo
5:25 am - 8:35 am
PHX
-
SAT
2h 10mnonstop
Frontier Logo
6:12 pm - 1:24 pm
SAT
-
PHX
20h 12m
2 stops
$148Frontier
man., feb. 23 - ons., feb. 25
Frontier Logo
5:25 am - 8:35 am
PHX
-
SAT
2h 10mnonstop
Frontier Logo
9:33 am - 11:16 am
SAT
-
PHX
2h 43mnonstop
$149Frontier
man., feb. 23 - fre., feb. 27
Frontier Logo
1:22 pm - 7:25 pm
PHX
-
SAT
5h 03m
1 stop
Frontier Logo
7:56 pm - 8:12 am
SAT
-
PHX
13h 16m
1 stop
$150Frontier
tor., feb. 26 - lør., feb. 28
Frontier Logo
11:53 am - 4:03 pm
PHX
-
SAT
2h 10mnonstop
Frontier Logo
7:45 am - 11:47 pm
SAT
-
PHX
18h 02m
1 stop
$152Frontier
tor., mar. 19 - ons., apr. 1
Frontier Logo
9:24 pm - 2:19 pm
PHX
-
SAT
14h 55m
1 stop
Frontier Logo
3:14 pm - 8:38 am
SAT
-
PHX
19h 24m
1 stop
$153Frontier
man., apr. 13 - fre., apr. 17
Frontier Logo
6:51 pm - 7:25 pm
PHX
-
SAT
23h 34m
1 stop
Frontier Logo
7:56 pm - 8:12 am
SAT
-
PHX
13h 16m
1 stop
$155Frontier
ons., feb. 25 - lør., feb. 28
Frontier Logo
5:35 am - 8:45 am
PHX
-
SAT
2h 10mnonstop
Frontier Logo
3:36 pm - 5:46 pm
SAT
-
PHX
28h 10m
2 stops
$156Frontier
man., mar. 2 - man., mar. 9
Frontier Logo
5:35 am - 8:45 am
PHX
-
SAT
2h 10mnonstop
Frontier Logo
6:45 am - 11:54 am
SAT
-
PHX
7h 09m
1 stop
$158Frontier
man., mar. 2 - tir., mar. 10

Frontier flights from Phoenix Sky Harbor Intl Airport to San Antonio

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to San Antonio flight tickets
Frontier
Mar 2
PHX5:35 amPhoenix Sky Harbor Intl
2h 10m
SAT8:45 amSan Antonio
Mar 8
SAT4:54 pmSan Antonio
2h 43m
PHX5:37 pmPhoenix Sky Harbor Intl
$144
Frontier
Feb 23
PHX5:25 amPhoenix Sky Harbor Intl
2h 10m
SAT8:35 amSan Antonio
Feb 26
SAT8:20 pmSan Antonio
5h 21m
1 stop
PHX12:41 amPhoenix Sky Harbor Intl
$147
Frontier
Feb 23
PHX5:25 amPhoenix Sky Harbor Intl
2h 10m
SAT8:35 amSan Antonio
Feb 25
SAT6:12 pmSan Antonio
20h 12m
2 stops
PHX1:24 pmPhoenix Sky Harbor Intl
$148

American Airlines flights from Phoenix Sky Harbor Intl Airport to San Antonio

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to San Antonio flight tickets
American Airlines
Feb 19
PHX1:46 pmPhoenix Sky Harbor Intl
2h 10m
SAT4:56 pmSan Antonio
Feb 21
SAT2:49 pmSan Antonio
2h 40m
PHX4:29 pmPhoenix Sky Harbor Intl
$299
American Airlines
Feb 18
PHX1:42 amPhoenix Sky Harbor Intl
6h 51m
1 stop
SAT9:33 amSan Antonio
Feb 21
SAT2:49 pmSan Antonio
2h 40m
PHX4:29 pmPhoenix Sky Harbor Intl
$309

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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, momondo users made 832,500 searches. Data last updated februar 8, 2026.
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

Fly to

Route

Depart

Return

Price

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

man. 3/2

5:35 am-8:45 am

Nonstop2h 10m

San Antonio

søn. 3/8

4:54 pm-5:37 pm

Nonstop2h 43m

$144

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

man. 2/23

5:25 am-8:35 am

Nonstop2h 10m

San Antonio

tor. 2/26

8:20 pm-12:41 am

1 stop5h 21m

$147

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

man. 2/23

5:25 am-8:35 am

Nonstop2h 10m

San Antonio

ons. 2/25

6:12 pm-1:24 pm

2 stops20h 12m

$148

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

man. 2/23

5:25 am-8:35 am

Nonstop2h 10m

San Antonio

fre. 2/27

9:33 am-11:16 am

Nonstop2h 43m

$149

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

tor. 2/26

1:22 pm-7:25 pm

1 stop5h 03m

San Antonio

lør. 2/28

7:56 pm-8:12 am

1 stop13h 16m

$150

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

tor. 3/19

11:53 am-4:03 pm

Nonstop2h 10m

San Antonio

ons. 4/1

7:45 am-11:47 pm

1 stop18h 02m

$152

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

man. 4/13

9:24 pm-2:19 pm

1 stop14h 55m

San Antonio

fre. 4/17

3:14 pm-8:38 am

1 stop19h 24m

$153

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

ons. 2/25

6:51 pm-7:25 pm

1 stop23h 34m

San Antonio

lør. 2/28

7:56 pm-8:12 am

1 stop13h 16m

$155

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

man. 3/2

5:35 am-8:45 am

Nonstop2h 10m

San Antonio

man. 3/9

3:36 pm-5:46 pm

2 stops28h 10m

$156

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

man. 3/2

5:35 am-8:45 am

Nonstop2h 10m

San Antonio

tir. 3/10

6:45 am-11:54 am

1 stop7h 09m

$158

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of December, then book flights to San Antonio from Phoenix Sky Harbor Intl Airport during October instead. Flights to San Antonio in October, while not as cheap as those in December, still average around $222.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $308. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $362.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Phoenix Sky Harbor Intl Airport to San Antonio at noon for as low as $298. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the evening, with an average ticket price of $374. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Phoenix Sky Harbor Intl to San Antonio flight route?

Fly from Phoenix Sky Harbor Intl to San Antonio for the best Phoenix Sky Harbor Intl - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Phoenix Sky Harbor Intl Airport for as low as $174 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to San Antonio flights?

There are 3 cabin classes available to choose from on Phoenix Sky Harbor Intl to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to San Antonio flights?

You could potentially save up to 5% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to San Antonio flight.

How have Phoenix Sky Harbor Intl Airport to San Antonio flight prices changed over time?

As of February 2026, prices for Phoenix Sky Harbor Intl Airport to San Antonio flights are approximately 29% more expensive when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to San Antonio (PHX to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to San Antonio

Best Price Found

$109

Fastest flight time

2h 00m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Phoenix Sky Harbor Intl Airport in the past 72 hours is $109. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to San Antonio found on momondo in the last 72 hours is $229.
The fastest flight from Phoenix Sky Harbor Intl Airport to San Antonio takes 2h 00m
Direct flights go from Phoenix Sky Harbor Intl Airport to San Antonio every day.
There is 1 airport in San Antonio. From Phoenix Sky Harbor Intl Airport there are direct flights to San Antonio (SAT).
Search flight deals

  • How far is Phoenix Sky Harbor Intl to San Antonio by plane?

    San Antonio is 841.6 mi away from Phoenix Sky Harbor Intl. A reasonable flight in good conditions will take 2h 00m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to San Antonio Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to San Antonio Airport refresh daily.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to San Antonio Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to San Antonio Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Phoenix Sky Harbor Intl Airport to San Antonio?

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to San Antonio?

Best airlines flying from Phoenix Sky Harbor Intl Airport to San Antonio

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $84Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
American AirlinesPriceFrom $145Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,282 reviews
Search Southwest flights

  • Southwest Flights From Phoenix Sky Harbor Intl Airport to San Antonio

    Southwest is one of the most popular airlines flying from Phoenix Sky Harbor Intl Airport to San Antonio, operating 16 flights/week on average for this route. A good Southwest flight deal for Phoenix Sky Harbor Intl Airport to San Antonio starts from $177 round-trip, up to an average price of $351. Our users have rated Southwest at 8.0/10.

  • American Airlines Flights From Phoenix Sky Harbor Intl Airport to San Antonio

    Across 11,258 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Phoenix Sky Harbor Intl Airport to San Antonio about 16 times each week, with ticket deals ranging from $145 to $353. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near San Antonio?

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

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to San Antonio?

Finding the right flight to San Antonio from Phoenix is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Phoenix to San Antonio with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Antonio from Phoenix with this policy.

How can momondo help me find flights from Phoenix to San Antonio?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to San Antonio.

I’m not ready to book a flight from Phoenix to San Antonio right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Phoenix to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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