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$108+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SAT
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find cheap flights from Jacksonville to San Antonio with Cheapflights

1. Tell us where you want to go

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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

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 October 27, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/244:57 pmJAX - SAT
1 stop5h 23mUnited Airlines
Tue 12/22:12 pmSAT - JAX
1 stop6h 20mUnited Airlines
Deal found 10/26$279
This Delta deal was found by Cheapflights users on 10/24. 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 12/306:41 pmJAX - SAT
1 stop6h 57mDelta
Thu 1/15:10 amSAT - JAX
1 stop6h 28mDelta
Deal found 10/24$284
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:42 amJAX - SAT
1 stop7h 44mDelta
Sat 1/107:45 amSAT - JAX
1 stop5h 35mDelta
Deal found 10/27$287
This Southwest deal was found by Cheapflights users on 10/25. 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.
Tue 12/27:05 pmJAX - SAT
1 stop5h 15mSouthwest
Thu 12/412:45 pmSAT - JAX
2 stops7h 20mSouthwest
Deal found 10/25$292
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/254:32 pmJAX - SAT
1 stop7h 44mUnited Airlines
Tue 12/22:12 pmSAT - JAX
1 stop6h 20mUnited Airlines
Deal found 10/26$312
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:00 pmJAX - SAT
1 stop6h 59mAmerican Airlines
Wed 12/35:00 amSAT - JAX
1 stop5h 21mAmerican Airlines
Deal found 10/27$313
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:18 pmJAX - SAT
1 stop24h 22mMultiple Airlines
Wed 11/127:37 pmSAT - JAX
2 stops19h 36mMultiple Airlines
Deal found 10/26$337
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Sun 11/95:18 pmJAX - SAT
1 stop24h 22mFrontier
Thu 11/138:38 pmSAT - JAX
2 stops16h 47mFrontier
Deal found 10/24$341
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:59 pmJAX - SAT
1 stop8h 20mDelta
Sun 12/146:22 pmSAT - JAX
1 stop4h 49mDelta
Deal found 10/25$347
This Southwest deal was found by Cheapflights users on 10/25. 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.
Tue 12/166:10 amJAX - SAT
2 stops6h 45mSouthwest
Fri 12/196:40 pmSAT - JAX
1 stop4h 00mSouthwest
Deal found 10/25$352

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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$108
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$405
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. 8% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 27, 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

Tue 12/30

6:41 pm-12:38 am

1 stop6h 57m

San Antonio

Thu 1/1

5:10 am-12:38 pm

1 stop6h 28m

$284

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sat 11/22

8:20 pm-1:45 am

1 stop6h 25m

San Antonio

Tue 12/2

3:40 pm-9:15 pm

1 stop4h 35m

$287

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sat 12/13

1:09 pm-4:43 pm

1 stop4h 34m

San Antonio

Sat 1/10

1:40 pm-9:08 pm

1 stop6h 28m

$287

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 12/2

7:05 pm-11:20 pm

1 stop5h 15m

San Antonio

Thu 12/4

12:45 pm-9:05 pm

2 stops7h 20m

$292

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 11/25

4:32 pm-11:16 pm

1 stop7h 44m

San Antonio

Tue 12/2

2:12 pm-9:32 pm

1 stop6h 20m

$312

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sun 11/9

5:18 pm-4:40 pm

1 stop24h 22m

San Antonio

Wed 11/12

7:37 pm-4:13 pm

2 stops19h 36m

$337

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 12/23

7:59 pm-12:38 am

1 stop5h 39m

San Antonio

Fri 1/2

5:10 am-12:38 pm

1 stop6h 28m

$347

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Mon 11/24

9:20 am-5:47 pm

2 stops9h 27m

San Antonio

Tue 12/2

5:20 am-10:36 am

1 stop4h 16m

$351

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 12/16

6:10 am-11:55 am

2 stops6h 45m

San Antonio

Fri 12/19

6:40 pm-11:40 pm

1 stop4h 00m

$352

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Mon 12/8

1:10 pm-10:59 pm

2 stops10h 49m

San Antonio

Thu 12/11

2:22 pm-9:48 pm

1 stop6h 26m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 23 results
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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 October.
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 October 24, 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 $92). 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 October 27, 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 October 27, 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
4,236 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
7,996 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
8,997 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
11,033 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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 25m. Delta provides one of the quickest options available for as low as $287. 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 $276. 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, March is the cheapest month in which you can book a flight from Jacksonville to San Antonio (average of $92). 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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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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$266Average$386FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$273Average$384FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$426FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$282Average$410FlexibilityNo cancel feeOn-time63%

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