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$134+ Cheap flights from Jacksonville to San Antonio (JAX - 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SAT
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Jacksonville to San Antonio are usually found in May or August, booked 86 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from Jacksonville to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) 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 July 28, 2025.

Round-trip from

$267
(American Airlines)

One-way from

$134
(Delta)

Popular in

April

Cheapest in

May

Average price

$416
From Jacksonville to San Antonio
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One-way flight from Jacksonville to San Antonio
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Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Jacksonville to San Antonio

Cheapest flights from Jacksonville to San Antonio
Explore the most affordable flight options available from Jacksonville to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This American Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 8/204:47 pmJAX - SAT
1 stop5h 23mAmerican Airlines
Wed 8/278:58 amSAT - JAX
1 stop5h 26mAmerican Airlines
Deal found 7/26$267
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 8/201:25 pmJAX - SAT
2 stops10h 23mUnited Airlines
Wed 8/275:58 pmSAT - JAX
1 stop4h 15mUnited Airlines
Deal found 7/26$272
This Southwest deal was found by Cheapflights users on 7/25. 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.
Mon 10/208:20 pmJAX - SAT
1 stop4h 50mSouthwest
Fri 10/311:20 pmSAT - JAX
1 stop6h 25mSouthwest
Deal found 7/25$278
This Delta deal was found by Cheapflights users on 7/26. 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 11/185:30 amJAX - SAT
1 stop6h 51mDelta
Mon 11/246:45 amSAT - JAX
1 stop5h 52mDelta
Deal found 7/26$327
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Sun 8/2410:57 amJAX - SAT
3 stops30h 51mMultiple Airlines
Sun 8/3112:39 pmSAT - JAX
2 stops20h 29mMultiple Airlines
Deal found 7/27$394

Cheapflights Fare Finder

 
Customize your flight search to find flights from Jacksonville 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 July 28, 2025.
Use the filters below to find and compare flights from Jacksonville to San Antonio that are best for you.

Fly from

Jacksonville

Fly to

San Antonio

Route

Depart

Return

Price

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 8/20

4:47 pm-9:10 pm

1 stop5h 23m

San Antonio

Wed 8/27

8:58 am-3:24 pm

1 stop5h 26m

$267

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 8/20

1:25 pm-10:48 pm

2 stops10h 23m

San Antonio

Wed 8/27

5:58 pm-11:13 pm

1 stop4h 15m

$272

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Mon 10/20

8:20 pm-12:10 am

1 stop4h 50m

San Antonio

Fri 10/31

1:20 pm-8:45 pm

1 stop6h 25m

$278

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 11/18

5:30 am-11:21 am

1 stop6h 51m

San Antonio

Mon 11/24

6:45 am-1:37 pm

1 stop5h 52m

$327

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sun 8/24

10:57 am-4:48 pm

3 stops30h 51m

San Antonio

Sun 8/31

12:39 pm-10:08 am

2 stops20h 29m

$394

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 9/24

7:20 am-12:32 pm

1 stop6h 12m

$134

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 9/2

6:02 pm-11:36 pm

1 stop6h 34m

$135

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sun 8/31

1:25 pm-9:17 pm

2 stops8h 52m

$139

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Thu 8/7

9:44 am-12:34 am

2 stops15h 50m

$140

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Mon 10/6

2:40 pm-11:40 pm

2 stops10h 00m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Jacksonville to San Antonio

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

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

Use this chart to determine the optimal time to book a round-trip flight from Jacksonville to San Antonio. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Jacksonville to San Antonio, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Jacksonville to San Antonio (average of $295). Flying from Jacksonville 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 JAX to SAT?

Find hourly flight availability from Jacksonville 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 July 28, 2025.

It’s typically best to fly out from Jacksonville to San Antonio in the evening. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

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 July 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Jacksonville to San Antonio 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
4,237 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
7,971 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
8,893 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
4,237 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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 Jacksonville 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 are the cheapest airlines flying from Jacksonville to San Antonio round-trip?

    Cheapflights users have booked flights from Jacksonville to San Antonio round-trip from $267. Other airlines that can offer you cheap pricing are United Airlines, from $272, and Southwest, from $278. American Airlines is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Jacksonville to San Antonio one-way?

    The cheapest airlines for a one-way flight from Jacksonville to San Antonio are Delta ($134), American Airlines ($135), and United Airlines ($139).

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Jacksonville to San Antonio (average of $295). Flying from Jacksonville 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

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Top 4 airlines flying from Jacksonville to San Antonio

Discover the top 4 airlines that operate flights from Jacksonville 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$270Average$377FlexibilityNo cancel feeOn-time71%
DeltaCheapest$273Average$396FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$282Average$406FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$297Average$455FlexibilityNo cancel feeOn-time69%

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