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San Antonio

$65+ Cheap flights from Gilbert, AZ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAT
Aug 9 — Aug 161
Sat 8/9
Sat 8/16
1 adult, Economy
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Cheapflights Tip: The best prices from Gilbert to San Antonio are usually found in September or August, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Gilbert to San Antonio

Keep the following information in mind while searching for Gilbert to San Antonio flight deals. Data was last updated August 4, 2025.

Round-trip from

$132
(Southwest)

One-way from

$65
(Southwest)

Popular in

December

Cheapest in

September

Average price

$308
From Gilbert to San Antonio
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One-way flight from Gilbert to San Antonio
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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Gilbert to San Antonio

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

This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:45 pmPHX - SAT
Nonstop2h 05mSouthwest
Mon 10/208:35 pmSAT - PHX
Nonstop2h 25mSouthwest
Deal found 8/3$132
This Frontier deal was found by Cheapflights users on 8/2. 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.
Mon 10/276:00 amPHX - SAT
Nonstop2h 09mFrontier
Mon 11/39:54 amSAT - PHX
Nonstop2h 31mFrontier
Deal found 8/2$156
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:19 pmPHX - SAT
1 stop6h 23mAmerican Airlines
Sat 10/182:58 pmSAT - PHX
Nonstop2h 28mAmerican Airlines
Deal found 8/2$207
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/144:40 pmPHX - SAT
1 stop5h 06mDelta
Sat 10/184:51 pmSAT - PHX
1 stop8h 22mDelta
Deal found 8/4$217
This United Airlines deal was found by Cheapflights users on 8/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:10 amPHX - SAT
1 stop5h 12mUnited Airlines
Mon 9/84:22 pmSAT - PHX
2 stops7h 39mUnited Airlines
Deal found 8/2$269

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gilbert 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 August 4, 2025.
Use the filters below to find and compare flights from Gilbert to San Antonio that are best for you.

Fly from

Gilbert

Fly to

San Antonio

Route

Depart

Return

Price

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Wed 10/15

2:45 pm-6:50 pm

Nonstop2h 05m

San Antonio

Mon 10/20

8:35 pm-9:00 pm

Nonstop2h 25m

$132

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Mon 10/27

6:00 am-10:09 am

Nonstop2h 09m

San Antonio

Mon 11/3

9:54 am-11:25 am

Nonstop2h 31m

$156

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 10/14

2:19 pm-10:42 pm

1 stop6h 23m

San Antonio

Sat 10/18

2:58 pm-3:26 pm

Nonstop2h 28m

$207

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 10/14

4:40 pm-11:46 pm

1 stop5h 06m

San Antonio

Sat 10/18

4:51 pm-11:13 pm

1 stop8h 22m

$217

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Tue 9/2

6:10 am-1:22 pm

1 stop5h 12m

San Antonio

Mon 9/8

4:22 pm-10:01 pm

2 stops7h 39m

$269

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Fri 10/10

7:35 pm-11:40 pm

Nonstop2h 05m

$65

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Sat 11/1

3:30 pm-7:39 pm

Nonstop2h 09m

$78

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Mon 10/13

6:00 am-10:09 am

Nonstop2h 09m

$87

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Sat 11/1

6:00 am-1:41 pm

1 stop5h 41m

$109

PhoenixSan Antonio

PHX - SAT

PHXSAT

Phoenix Sky Harbor Intl

Wed 9/3

12:20 pm-7:52 pm

1 stop5h 32m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 11 results
1
2

Best time to book a flight from Gilbert to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Gilbert 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 Gilbert to San Antonio

How far ahead should I book a flight from Gilbert to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Gilbert to San Antonio. Price data was last updated on August 1, 2025.

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Gilbert to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Gilbert to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Gilbert to San Antonio (average of $295). Flying from Gilbert to San Antonio in March is currently the most expensive (average of $376). 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 G1L to SAT?

Find hourly flight availability from Gilbert 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 August 4, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Gilbert to San Antonio as you normally would.

What is the cheapest day to fly from Gilbert to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Gilbert to San Antonio. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Gilbert to San Antonio

Explore weekly flight availability from Gilbert to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 4, 2025.

The most flights from G1L to SAT are scheduled on a Monday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Gilbert to San Antonio?

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 August 4, 2025.
Read through reviews of airlines operating flights from Gilbert to San Antonio, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

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
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

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.
Delta
8.0
Very good
7,987 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

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.
United Airlines
7.4
Good
8,912 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

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
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

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.
Spirit Airlines
6.3
Okay
8,053 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

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 Gilbert 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 Gilbert?

    San Antonio (SAT) is the airport you will fly into if you book a flight from Gilbert to San Antonio. You should not have trouble finding flights to San Antonio from Gilbert; the airport handles an average of 5 inbound flights from Gilbert per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the San Antonio airport from Gilbert. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.

  • What are the most reliable airlines from Gilbert to San Antonio?

    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 Gilbert to San Antonio on time: Southwest (78%), Alaska Airlines (70%), American Airlines (69%).

  • What are the cheapest flights from Gilbert to San Antonio?

    On average you can expect to pay $369 for a flight from Gilbert to San Antonio. The cheapest flight overall is $108 while the most popular route, (Phoenix Sky Harbor Intl - San Antonio) is currently priced at $132.

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

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

  • How can I find direct flights from Gilbert to San Antonio?

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

  • Can I find deals for business class flights from Gilbert to San Antonio?

    Yes. Cheapflights offers flight deals from Gilbert 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 Gilbert to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Gilbert to San Antonio (average of $295). Flying from Gilbert to San Antonio in March is currently the most expensive (average of $376). 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 5 airlines flying from Gilbert to San Antonio

Discover the top 5 airlines that operate flights from Gilbert 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 August 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$213FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$120Average$206FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$158Average$381FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$482FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$240Average$384FlexibilityNo cancel feeOn-time71%

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