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$85+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SAT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Jacksonville to San Antonio are usually found in August or May, 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 September 11, 2025.

Round-trip from

$199
(United Airlines)

One-way from

$85
(Southwest)

Popular in

April

Cheapest in

August

Average price

$361
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 ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/117:00 amJAX - SAT
1 stop4h 49mUnited Airlines
Tue 10/146:45 amSAT - JAX
1 stop6h 54mUnited Airlines
Deal found 9/10$199
This Southwest deal was found by Cheapflights users on 9/9. 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.
Tue 10/286:25 amJAX - SAT
1 stop4h 45mSouthwest
Tue 12/212:45 pmSAT - JAX
2 stops7h 30mSouthwest
Deal found 9/9$214
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 12/45:16 pmJAX - SAT
1 stop5h 16mUnited Airlines
Sat 12/62:12 pmSAT - JAX
1 stop6h 20mUnited Airlines
Deal found 9/9$223
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 10/277:10 pmJAX - SAT
1 stop6h 10mDelta
Wed 10/296:41 amSAT - JAX
1 stop7h 15mDelta
Deal found 9/11$228
This Delta deal was found by Cheapflights users on 9/9. 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 11/115:10 amJAX - SAT
1 stop6h 30mDelta
Fri 11/146:22 pmSAT - JAX
1 stop4h 44mDelta
Deal found 9/9$243
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 12/46:10 amJAX - SAT
2 stops7h 00mSouthwest
Sat 12/66:50 amSAT - JAX
1 stop4h 50mSouthwest
Deal found 9/9$251
This Southwest deal was found by Cheapflights users on 9/10. 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 10/138:15 pmJAX - SAT
1 stop5h 15mSouthwest
Wed 10/155:35 amSAT - JAX
1 stop7h 05mSouthwest
Deal found 9/10$252
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/297:35 amJAX - SAT
1 stop6h 53mDelta
Sun 11/26:21 pmSAT - JAX
1 stop4h 38mDelta
Deal found 9/11$258
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 12/54:30 pmJAX - SAT
1 stop7h 30mUnited Airlines
Mon 12/82:12 pmSAT - JAX
1 stop6h 20mUnited Airlines
Deal found 9/9$267
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/35:20 amJAX - SAT
1 stop5h 12mDelta
Mon 10/66:41 amSAT - JAX
1 stop7h 15mDelta
Deal found 9/9$272

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 September 11, 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

Sat 12/13

9:00 am-2:21 pm

1 stop6h 21m

San Antonio

Sat 1/10

4:25 pm-10:45 pm

1 stop5h 20m

$199

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 12/23

6:49 pm-12:37 am

1 stop6h 48m

San Antonio

Tue 12/30

6:20 pm-11:55 pm

1 stop4h 35m

$199

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Thu 12/4

5:16 pm-9:32 pm

1 stop5h 16m

San Antonio

Sat 12/6

2:12 pm-9:32 pm

1 stop6h 20m

$223

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Mon 10/27

7:10 pm-11:07 pm

1 stop4h 57m

San Antonio

Wed 10/29

5:14 am-1:34 pm

1 stop7h 20m

$228

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 10/29

7:35 am-1:28 pm

1 stop6h 53m

San Antonio

Sun 11/2

6:21 pm-11:59 pm

1 stop4h 38m

$258

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Fri 10/3

5:20 am-9:32 am

1 stop5h 12m

San Antonio

Mon 10/6

6:41 am-2:56 pm

1 stop7h 15m

$272

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 11/11

6:10 am-11:55 am

2 stops6h 45m

San Antonio

Fri 11/14

6:05 pm-11:05 pm

1 stop4h 00m

$275

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Fri 10/10

9:39 pm-4:37 pm

2 stops19h 58m

San Antonio

Fri 10/17

8:20 pm-10:51 am

2 stops13h 31m

$275

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 10/22

3:38 pm-9:29 pm

1 stop6h 51m

San Antonio

Sat 10/25

5:51 pm-11:15 pm

1 stop4h 24m

$279

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sat 12/13

7:00 am-10:51 am

1 stop4h 51m

San Antonio

Sat 1/10

11:43 am-10:52 pm

2 stops10h 09m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
1
2
3

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 August 29, 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 September 11, 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 September 11, 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
4,248 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Jacksonville to San Antonio?

    A quick flight from Jacksonville to San Antonio can take about 5h 16m. Delta provides one of the quickest options available for as low as $223. There are 1005 mi between Jacksonville and San Antonio. This flight may include one or multiple stops.

  • 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 $266. Other airlines that can offer you cheap pricing are American Airlines, from $270, and Southwest, from $282. Delta is currently priced 35% below the average price you’ll pay for this route.

  • 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
Kerrville

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Alternative routes for Jacksonville to San Antonio

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$266Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$282Average$408FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$454FlexibilityNo cancel feeOn-time69%

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