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$79+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SAT
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$183
(Kiwi.com)

One-way from

$79
(Trip.com)

Popular in

April

Cheapest in

August

Average price

$414
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. 10% potential increase in price ($48 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 January 2026
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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 January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:01 pm
JAX
-
SAT
1 stop21h 18m
Frontier
Fri 2/205:04 pm
SAT
-
JAX
1 stop24h 37m
Frontier
Deal found 1/14$183
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:12 am
JAX
-
SAT
1 stop9h 49m
Frontier
Fri 4/105:56 pm
SAT
-
JAX
1 stop12h 16m
Frontier
Deal found 1/13$222
This eDestinos deal was found by Cheapflights users on 1/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:56 pm
JAX
-
SAT
2 stops18h 16m
Frontier
Sun 3/15:04 pm
SAT
-
JAX
1 stop24h 40m
Frontier
Deal found 1/14$226
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:23 pm
JAX
-
SAT
2 stops15h 07m
Multiple Airlines
Fri 2/66:13 pm
SAT
-
JAX
1 stop21h 10m
Multiple Airlines
Deal found 1/12$260
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:01 pm
JAX
-
SAT
1 stop21h 18m
Multiple Airlines
Sat 2/216:00 am
SAT
-
JAX
2 stops32h 05m
Multiple Airlines
Deal found 1/13$261
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:12 am
JAX
-
SAT
2 stops26h 20m
Multiple Airlines
Fri 4/105:56 pm
SAT
-
JAX
1 stop12h 16m
Multiple Airlines
Deal found 1/13$269
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:12 am
JAX
-
SAT
2 stops29h 44m
Frontier
Fri 4/35:56 pm
SAT
-
JAX
1 stop12h 16m
Frontier
Deal found 1/13$273
This Southwest deal was found by Cheapflights users on 1/13. 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.
Sat 2/146:35 am
JAX
-
SAT
1 stop5h 15m
Southwest
Sat 2/217:15 am
SAT
-
JAX
1 stop5h 10m
Southwest
Deal found 1/13$287
This United Airlines deal was found by Cheapflights users on 1/13. 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 2/189:20 am
JAX
-
SAT
2 stops11h 33m
United Airlines
Sat 2/214:12 pm
SAT
-
JAX
1 stop4h 20m
United Airlines
Deal found 1/13$292
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/67:18 pm
JAX
-
SAT
2 stops15h 12m
Multiple Airlines
Sun 2/86:13 pm
SAT
-
JAX
1 stop23h 00m
Multiple Airlines
Deal found 1/14$303

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 January 14, 2026.
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 2/25

7:56 pm-1:12 pm

2 stops18h 16m

San Antonio

Sun 3/1

5:04 pm-6:44 pm

1 stop24h 40m

$226

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Mon 4/6

8:12 am-9:32 am

2 stops26h 20m

San Antonio

Fri 4/10

5:56 pm-7:12 am

1 stop12h 16m

$269

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 4/1

8:12 am-12:56 pm

2 stops29h 44m

San Antonio

Fri 4/3

5:56 pm-7:12 am

1 stop12h 16m

$273

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Mon 2/9

5:05 pm-10:57 pm

1 stop6h 52m

San Antonio

Wed 2/11

9:50 am-3:38 pm

1 stop4h 48m

$323

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 2/3

10:40 am-7:41 pm

2 stops10h 01m

San Antonio

Thu 2/5

4:04 pm-9:47 pm

1 stop4h 43m

$338

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 3/11

12:45 pm-10:57 pm

2 stops11h 12m

San Antonio

Wed 3/18

4:10 pm-9:14 pm

1 stop4h 04m

$340

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 3/11

6:00 am-1:40 pm

2 stops8h 40m

San Antonio

Wed 3/18

6:20 am-3:00 pm

2 stops7h 40m

$346

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Thu 2/26

5:58 pm-12:35 am

1 stop7h 37m

San Antonio

Wed 3/4

6:27 pm-12:01 am

1 stop4h 34m

$347

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sat 3/7

5:02 pm-9:58 pm

1 stop5h 56m

San Antonio

Wed 3/18

6:24 am-3:05 pm

1 stop7h 41m

$347

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 2/4

5:05 pm-10:57 pm

1 stop6h 52m

San Antonio

Fri 2/6

9:50 am-3:38 pm

1 stop4h 48m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 20 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 January.
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
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 January 9, 2026.

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.

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 January 14, 2026.
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
4,258 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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
7.9
Good
8,048 reviews
Southwest
8.0
Very good
4,258 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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
9,163 reviews
Southwest
8.0
Very good
4,258 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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
11,129 reviews
Southwest
8.0
Very good
4,258 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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 6h 52m. Frontier 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 $262. Other airlines that can offer you cheap pricing are American Airlines, from $266, 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$262Average$367FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$266Average$381FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$282Average$418FlexibilityNo cancel feeOn-time63%

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