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$97+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SAT
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 43 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap 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 diciembre 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:00 amJAX - SAT
1 stop7h 28mDelta
jue. 1/16:00 amSAT - JAX
1 stop7h 09mDelta
Deal found 12/10$243
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/253:45 pmJAX - SAT
2 stops8h 14mAmerican Airlines
mié. 12/313:00 pmSAT - JAX
1 stop4h 21mAmerican Airlines
Deal found 12/10$309
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 12/314:55 pmJAX - SAT
1 stop5h 31mUnited Airlines
vie. 1/24:05 pmSAT - JAX
1 stop6h 25mUnited Airlines
Deal found 12/10$335
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:30 amJAX - SAT
1 stop5h 10mUnited Airlines
jue. 1/19:51 amSAT - JAX
1 stop4h 52mUnited Airlines
Deal found 12/11$365
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 12/244:55 pmJAX - SAT
1 stop5h 31mUnited Airlines
lun. 12/295:59 pmSAT - JAX
1 stop4h 31mUnited Airlines
Deal found 12/10$445
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/304:55 pmJAX - SAT
1 stop5h 31mUnited Airlines
sáb. 1/35:59 pmSAT - JAX
1 stop4h 31mUnited Airlines
Deal found 12/11$457
This Southwest deal was found by Cheapflights users on 12/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/307:35 pmJAX - SAT
1 stop6h 45mSouthwest
vie. 1/25:00 amSAT - JAX
2 stops8h 00mSouthwest
Deal found 12/11$481
This Delta deal was found by Cheapflights users on 12/11. 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.
vie. 12/267:59 pmJAX - SAT
1 stop5h 39mDelta
mar. 12/304:45 pmSAT - JAX
1 stop4h 58mDelta
Deal found 12/11$487
This Southwest deal was found by Cheapflights users on 12/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/278:20 pmJAX - SAT
1 stop6h 25mSouthwest
mar. 12/306:40 pmSAT - JAX
1 stop4h 00mSouthwest
Deal found 12/11$513
This Southwest deal was found by Cheapflights users on 12/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/307:35 pmJAX - SAT
1 stop6h 45mSouthwest
jue. 1/111:55 amSAT - JAX
2 stops8h 20mSouthwest
Deal found 12/11$522
This Southwest deal was found by Cheapflights users on 12/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:05 pmJAX - SAT
2 stops9h 20mSouthwest
sáb. 1/35:00 amSAT - JAX
1 stop8h 55mSouthwest
Deal found 12/11$547

Find 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$243
(Delta)

One-way from

$97
(Frontier)

Popular in

April

Cheapest in

August

Average price

$417
Provider with most accurate pricing for Jacksonville-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jacksonville-San Antonio flights.
Search Deals
From Jacksonville to San Antonio
Search Deals
One-way flight from Jacksonville to San Antonio
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 12, 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

mié. 1/7

9:39 am-11:00 am

1 stop26h 21m

San Antonio

dom. 1/11

7:14 pm-4:57 pm

2 stops20h 43m

$276

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

jue. 12/25

3:45 pm-10:59 pm

2 stops8h 14m

San Antonio

mié. 12/31

3:00 pm-8:21 pm

1 stop4h 21m

$309

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

jue. 1/22

6:58 pm-12:38 am

1 stop6h 40m

San Antonio

mar. 1/27

1:40 pm-8:56 pm

1 stop6h 16m

$323

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

mié. 1/14

5:50 am-2:00 pm

1 stop9h 10m

San Antonio

jue. 1/15

5:50 am-12:55 pm

2 stops6h 05m

$328

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

jue. 1/22

11:40 am-3:31 pm

1 stop4h 51m

San Antonio

mar. 1/27

11:43 am-10:52 pm

2 stops10h 09m

$328

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

jue. 1/1

11:45 am-5:49 pm

1 stop7h 04m

San Antonio

sáb. 1/3

5:59 pm-11:30 pm

1 stop4h 31m

$335

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

jue. 1/15

5:05 pm-9:21 pm

1 stop5h 16m

San Antonio

dom. 1/18

11:43 am-10:52 pm

2 stops10h 09m

$344

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

mié. 1/7

7:30 am-12:45 pm

1 stop6h 15m

San Antonio

dom. 1/11

5:20 am-12:11 pm

1 stop5h 51m

$347

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

mar. 2/17

7:35 am-3:10 pm

1 stop8h 35m

San Antonio

dom. 2/22

5:15 pm-11:45 pm

1 stop5h 30m

$347

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

mar. 1/13

4:23 pm-11:13 pm

1 stop7h 50m

San Antonio

vie. 1/16

9:50 am-8:10 pm

2 stops9h 20m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 19 results
1
2

Compare providers for flights from Jacksonville to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Jacksonville to San Antonio in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Jacksonville-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Jacksonville-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Jacksonville-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Jacksonville-San Antonio flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Jacksonville-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 5, 2025.

To ensure you get the cheapest price possible for a flight from Jacksonville to San Antonio, you should look to book at least 43 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, March is the cheapest month in which you can book a flight from Jacksonville to San Antonio (average of $91). Flying from Jacksonville to San Antonio in May is currently the most expensive (average of $247). 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 diciembre 12, 2025.

It’s typically best to fly out from Jacksonville to San Antonio in the evening. Doing so could potentially save you 26% 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 diciembre 12, 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
7.9
Good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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 6h 40m. American Airlines provides one of the quickest options available for as low as $323. 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 $273, and United Airlines, from $273. Delta is currently priced 34% 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 Southwest ($114), American Airlines ($133), and Delta ($133).

  • 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, March is the cheapest month in which you can book a flight from Jacksonville to San Antonio (average of $91). Flying from Jacksonville to San Antonio in May is currently the most expensive (average of $247). 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$266Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$273Average$383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$422FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$282Average$415FlexibilityNo cancel feeOn-time63%

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