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Cheap flights from San Antonio to Phoenix from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Phoenix departing on 2/16. 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 San Antonio to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:33 am - 11:16 am
SAT
-
PHX
2h 43mnonstop
Frontier Logo
10:39 pm - 7:01 pm
PHX
-
SAT
19h 22m
1 stop
$133Frontier
Mon, Feb 16 - Fri, Feb 20
Frontier Logo
1:57 pm - 10:12 pm
SAT
-
PHX
9h 15m
1 stop
Frontier Logo
5:35 am - 8:45 am
PHX
-
SAT
2h 10mnonstop
$134Frontier
Sat, Feb 14 - Mon, Feb 16
Frontier Logo
9:20 am - 11:03 am
SAT
-
PHX
2h 43mnonstop
Frontier Logo
1:22 pm - 7:25 pm
PHX
-
SAT
5h 03m
1 stop
$135Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
9:33 am - 11:16 am
SAT
-
PHX
2h 43mnonstop
Frontier Logo
5:25 am - 8:35 am
PHX
-
SAT
2h 10mnonstop
$141Frontier
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
9:33 am - 11:16 am
SAT
-
PHX
2h 43mnonstop
Frontier Logo
5:25 am - 8:35 am
PHX
-
SAT
2h 10mnonstop
$142Frontier
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
6:45 am - 2:01 pm
SAT
-
PHX
9h 16m
1 stop
Frontier Logo
3:11 pm - 12:17 am
PHX
-
SAT
7h 06m
1 stop
$143Frontier
Tue, Mar 10 - Tue, Mar 17
Frontier Logo
8:24 pm - 12:40 am
SAT
-
PHX
5h 16m
1 stop
Frontier Logo
9:52 am - 4:17 pm
PHX
-
SAT
5h 25m
1 stop
$144Frontier
Mon, Feb 2 - Wed, Feb 11
Frontier Logo
8:24 pm - 12:40 am
SAT
-
PHX
5h 16m
1 stop
Frontier Logo
5:35 am - 8:45 am
PHX
-
SAT
2h 10mnonstop
$145Frontier
Mon, Feb 2 - Fri, Feb 13
Frontier Logo
6:45 am - 2:01 pm
SAT
-
PHX
9h 16m
1 stop
Frontier Logo
6:50 am - 12:17 am
PHX
-
SAT
15h 27m
1 stop
$148Frontier
Tue, Mar 10 - Wed, Mar 18
Frontier Logo
9:33 am - 11:16 am
SAT
-
PHX
2h 43mnonstop
Frontier Logo
5:25 am - 8:35 am
PHX
-
SAT
2h 10mnonstop
$150Frontier
Fri, Feb 20 - Mon, Feb 23

Southwest flights from San Antonio to Phoenix Sky Harbor Intl Airport

Our best Southwest deals on San Antonio to Phoenix Sky Harbor Intl Airport flight tickets
Southwest
Feb 14
SAT4:35 pmSan Antonio
2h 45m
PHX6:20 pmPhoenix Sky Harbor Intl
Feb 16
PHX6:15 amPhoenix Sky Harbor Intl
2h 00m
SAT9:15 amSan Antonio
$199
Southwest
Jan 31
SAT3:20 pmSan Antonio
5h 20m
1 stop
PHX7:40 pmPhoenix Sky Harbor Intl
Feb 2
PHX10:15 amPhoenix Sky Harbor Intl
6h 25m
1 stop
SAT5:40 pmSan Antonio
$299

Frontier flights from San Antonio to Phoenix Sky Harbor Intl Airport

Our best Frontier deals on San Antonio to Phoenix Sky Harbor Intl Airport flight tickets
Frontier
Feb 16
SAT9:33 amSan Antonio
2h 43m
PHX11:16 amPhoenix Sky Harbor Intl
Feb 20
PHX10:39 pmPhoenix Sky Harbor Intl
19h 22m
1 stop
SAT7:01 pmSan Antonio
$133
Frontier
Feb 14
SAT1:57 pmSan Antonio
9h 15m
1 stop
PHX10:12 pmPhoenix Sky Harbor Intl
Feb 16
PHX5:35 amPhoenix Sky Harbor Intl
2h 10m
SAT8:45 amSan Antonio
$134
Frontier
Feb 23
SAT9:20 amSan Antonio
2h 43m
PHX11:03 amPhoenix Sky Harbor Intl
Feb 28
PHX6:00 amPhoenix Sky Harbor Intl
12h 01m
1 stop
SAT7:01 pmSan Antonio
$135

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Phoenix Sky Harbor Intl Airport 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 January 18, 2026.
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

Fly to

Route

Depart

Return

Price

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Mon 2/16

9:33 am-11:16 am

Nonstop2h 43m

Phoenix Sky Harbor Intl

Fri 2/20

10:39 pm-7:01 pm

1 stop19h 22m

$133

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Sat 2/14

1:57 pm-10:12 pm

1 stop9h 15m

Phoenix Sky Harbor Intl

Mon 2/16

5:35 am-8:45 am

Nonstop2h 10m

$134

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Mon 2/23

9:20 am-11:03 am

Nonstop2h 43m

Phoenix Sky Harbor Intl

Thu 2/26

1:22 pm-7:25 pm

1 stop5h 03m

$135

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Fri 2/20

9:33 am-11:16 am

Nonstop2h 43m

Phoenix Sky Harbor Intl

Mon 2/23

5:25 am-8:35 am

Nonstop2h 10m

$141

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Fri 2/20

9:33 am-11:16 am

Nonstop2h 43m

Phoenix Sky Harbor Intl

Mon 2/23

5:25 am-8:35 am

Nonstop2h 10m

$142

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Tue 3/10

6:45 am-2:01 pm

1 stop9h 16m

Phoenix Sky Harbor Intl

Tue 3/17

3:11 pm-12:17 am

1 stop7h 06m

$143

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Mon 2/2

8:24 pm-12:40 am

1 stop5h 16m

Phoenix Sky Harbor Intl

Wed 2/11

9:52 am-4:17 pm

1 stop5h 25m

$144

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Mon 2/2

8:24 pm-12:40 am

1 stop5h 16m

Phoenix Sky Harbor Intl

Fri 2/13

5:35 am-8:45 am

Nonstop2h 10m

$145

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Tue 3/10

6:45 am-2:01 pm

1 stop9h 16m

Phoenix Sky Harbor Intl

Wed 3/18

6:50 am-12:17 am

1 stop15h 27m

$148

San AntonioPhoenix

SAT - PHX

SATPHX

San Antonio

Fri 2/20

9:33 am-11:16 am

Nonstop2h 43m

Phoenix Sky Harbor Intl

Mon 2/23

5:25 am-8:35 am

Nonstop2h 10m

$150

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Antonio to Phoenix Sky Harbor Intl Airport

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 Phoenix Sky Harbor Intl Airport?

In general, December is the cheapest month to fly from San Antonio to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $210. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of December, then departing from San Antonio during the month November is also very affordable. Most momondo users find prices during this month for around $247.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from San Antonio is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $369. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $417. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

At noon is the cheapest time of day to fly from San Antonio to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $364. Flying to Phoenix Sky Harbor Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $400. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $310 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from San Antonio for as low as $224 on momondo.

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

There are 3 cabin classes available to choose from on San Antonio to Phoenix Sky Harbor Intl 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 San Antonio to Phoenix Sky Harbor Intl Airport flights?

No. A direct flight is the cheapest option for a flight between San Antonio to Phoenix Sky Harbor Intl Airport.

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

As of January 2026, prices for San Antonio to Phoenix Sky Harbor Intl Airport flights are approximately 35% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$145

Fastest flight time

2h 20m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from San Antonio in the past 72 hours is $145. The best round-trip flight deal from San Antonio to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $253.
The fastest flight from San Antonio to Phoenix Sky Harbor Intl Airport takes 2h 20m
Direct flights go from San Antonio to Phoenix Sky Harbor Intl Airport every day.
Search flight deals

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

    Phoenix Sky Harbor Intl is 841.6 mi away from San Antonio. Flights usually cover this in 2h 20m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The necessary travel and health documents for your Phoenix Sky Harbor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from San Antonio to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $51Free CancellationRating
5.7
3,058 reviews
Search Frontier flights
JetBluePriceFrom $143Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
SouthwestPriceFrom $149Free CancellationRating
8.0
4,262 reviews
Search Southwest flights
American AirlinesPriceFrom $173Free CancellationRating
7.2
11,159 reviews
Search American Airlines flights

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

    Southwest flight deals from San Antonio to Phoenix Sky Harbor Intl Airport start from $149 round-trip. Over the 23 Southwest flights for this route in a normal week, average airfare is usually $362 round-trip - but some users have found much cheaper deals with momondo.

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

    American Airlines is also a popular choice for this route. American Airlines flight deals for San Antonio to Phoenix Sky Harbor Intl Airport start from as low as $173 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $354. American Airlines operates 23 flights to Phoenix Sky Harbor Intl Airport from San Antonio in an average week. Users have rated it 7.2/10 across 11,159 reviews.

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Chandler
Glendale
Gilbert
Peoria
Casa Grande
Surprise
Goodyear
Buckeye
Payson
Apache Junction
Paradise Valley
Avondale
Wickenburg
Camp Verde
Litchfield Park
Guadalupe
Fountain Hills

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Antonio to Phoenix. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for San Antonio to Phoenix flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Phoenix from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Phoenix from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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