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$134+ Cheap flights from San Antonio to Jacksonville (SAT - JAX)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — JAX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Jacksonville are usually found in July or May, booked 84 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from San Antonio to Jacksonville

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Jacksonville (JAX). 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 17, 2025.

Round-trip from

$275
(Frontier)

One-way from

$134
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$396
From San Antonio to Jacksonville
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One-way flight from San Antonio to Jacksonville
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Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 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 San Antonio to Jacksonville

Cheapest flights from San Antonio to Jacksonville
Explore the most affordable flight options available from San Antonio to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/145:30 amSAT - JAX
1 stop4h 11mUnited Airlines
Tue 10/217:00 amJAX - SAT
1 stop7h 15mUnited Airlines
Deal found 9/15$287
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/316:05 amSAT - JAX
1 stop8h 04mAmerican Airlines
Mon 11/36:00 pmJAX - SAT
1 stop6h 59mAmerican Airlines
Deal found 9/16$307
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/2312:09 pmSAT - JAX
2 stops18h 35mMultiple Airlines
Sun 10/266:05 pmJAX - SAT
1 stop23h 45mMultiple Airlines
Deal found 9/16$316
This Southwest deal was found by Cheapflights users on 9/15. 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 11/12:00 pmSAT - JAX
1 stop6h 00mSouthwest
Fri 11/75:35 amJAX - SAT
1 stop7h 10mSouthwest
Deal found 9/15$317
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/165:30 amSAT - JAX
1 stop4h 11mUnited Airlines
Mon 10/205:05 pmJAX - SAT
1 stop6h 30mUnited Airlines
Deal found 9/15$327
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/316:15 pmSAT - JAX
1 stop24h 42mMultiple Airlines
Mon 11/37:04 pmJAX - SAT
2 stops29h 36mMultiple Airlines
Deal found 9/16$341
This Southwest deal was found by Cheapflights users on 9/16. 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 10/2312:50 pmSAT - JAX
1 stop9h 10mSouthwest
Sun 10/269:15 pmJAX - SAT
1 stop4h 45mSouthwest
Deal found 9/16$372
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/97:35 pmSAT - JAX
2 stops17h 19mMultiple Airlines
Sun 10/126:05 pmJAX - SAT
1 stop23h 45mMultiple Airlines
Deal found 9/16$377
This Southwest deal was found by Cheapflights users on 9/15. 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 10/165:15 amSAT - JAX
1 stop8h 55mSouthwest
Mon 10/202:40 pmJAX - SAT
2 stops10h 00mSouthwest
Deal found 9/15$382
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 9/309:47 pmSAT - JAX
2 stops33h 07mMultiple Airlines
Thu 10/166:03 pmJAX - SAT
1 stop23h 47mMultiple Airlines
Deal found 9/16$384

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Jacksonville 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 17, 2025.
Use the filters below to find and compare flights from San Antonio to Jacksonville that are best for you.

Fly from

San Antonio

Fly to

Jacksonville

Route

Depart

Return

Price

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Tue 10/14

5:30 am-10:41 am

1 stop4h 11m

Jacksonville

Tue 10/21

7:00 am-1:15 pm

1 stop7h 15m

$287

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Wed 11/12

12:45 pm-7:15 pm

1 stop5h 30m

Jacksonville

Sat 11/15

12:00 pm-6:55 pm

2 stops7h 55m

$292

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Wed 10/15

6:41 am-2:56 pm

1 stop7h 15m

Jacksonville

Mon 10/20

8:11 pm-12:20 am

1 stop5h 09m

$307

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Sat 11/1

2:00 pm-9:00 pm

1 stop6h 00m

Jacksonville

Fri 11/7

5:35 am-11:45 am

1 stop7h 10m

$317

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Mon 12/15

5:15 am-12:06 pm

1 stop5h 51m

Jacksonville

Thu 12/18

7:10 am-1:41 pm

1 stop7h 31m

$327

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Thu 10/16

5:30 am-10:41 am

1 stop4h 11m

Jacksonville

Mon 10/20

5:05 pm-10:35 pm

1 stop6h 30m

$327

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Fri 10/24

5:45 pm-10:51 am

2 stops16h 06m

Jacksonville

Sun 10/26

6:05 pm-4:50 pm

1 stop23h 45m

$347

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Thu 10/9

6:12 pm-11:59 pm

1 stop4h 47m

Jacksonville

Mon 10/13

6:12 pm-10:57 pm

1 stop5h 45m

$347

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Thu 10/23

12:50 pm-11:00 pm

1 stop9h 10m

Jacksonville

Sun 10/26

9:15 pm-1:00 am

1 stop4h 45m

$372

San AntonioJacksonville

SAT - JAX

SATJAX

San Antonio

Thu 10/9

6:12 pm-11:59 pm

1 stop4h 47m

Jacksonville

Sun 10/12

6:30 am-1:35 pm

1 stop8h 05m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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Best time to book a flight from San Antonio to Jacksonville

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Jacksonville. Price data was last updated on September 12, 2025.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Jacksonville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from San Antonio to Jacksonville (average of $278). Flying from San Antonio to Jacksonville in March is currently the most expensive (average of $365). 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 SAT to JAX?

Find hourly flight availability from San Antonio to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from San Antonio to Jacksonville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 33% versus a flight at noon.

Reviews of airlines servicing Jacksonville

Get insights into the airlines that provide service to Jacksonville. 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 Jacksonville. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from San Antonio to Jacksonville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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 San Antonio to Jacksonville. 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 San Antonio to Jacksonville?

    There are many flights that can get you from San Antonio to Jacksonville in 4h 11m. Fly via United Airlines, Southwest, or Delta to get the fastest option. San Antonio and Jacksonville are separated by a distance of 1005 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, American Airlines ($261), United Airlines ($261), and Delta ($266) offers the cheapest pricing from San Antonio to Jacksonville. American Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from San Antonio to Jacksonville (average of $278). Flying from San Antonio to Jacksonville in March is currently the most expensive (average of $365). 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 Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Jacksonville Beach
Orange Park
Kingsland
Fernandina Beach
Waycross

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Alternative routes for San Antonio to Jacksonville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from San Antonio to Jacksonville

Discover the top 4 airlines that operate flights from San Antonio to Jacksonville. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$261Average$459FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$261Average$379FlexibilityNo cancel feeOn-time71%
DeltaCheapest$266Average$412FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$308Average$423FlexibilityNo cancel feeOn-time63%

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