$139 Cheap Flights from San Antonio (SAT) to Jacksonville (JAX)

View $139 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Jacksonville International Airport (JAX)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from San Antonio to Jacksonville (SAT-JAX)

Prices were available within the past 7 days and start at $139 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Dec 23 - Wed, Dec 31
SAT
San Antonio
JAX
Jacksonville
$279 Roundtrip, found 3 days ago
$279
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Dec 23 from San Antonio to Jacksonville, returning Wed, Dec 31, priced at $279 found 3 days ago
United
Sat, Dec 6 - Mon, Dec 8
SAT
San Antonio
JAX
Jacksonville
$282 Roundtrip, found 3 days ago
$282
Roundtrip
found 3 days ago
Select United flight, departing Sat, Dec 6 from San Antonio to Jacksonville, returning Mon, Dec 8, priced at $282 found 3 days ago
United
Wed, Feb 4 - Thu, Feb 5
SAT
San Antonio
JAX
Jacksonville
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 4 from San Antonio to Jacksonville, returning Thu, Feb 5, priced at $282 found 1 day ago
United
Mon, Nov 24 - Sat, Dec 6
SAT
San Antonio
JAX
Jacksonville
$284 Roundtrip, found 5 days ago
$284
Roundtrip
found 5 days ago
Select United flight, departing Mon, Nov 24 from San Antonio to Jacksonville, returning Sat, Dec 6, priced at $284 found 5 days ago
Southwest Airlines
Tue, Dec 9 - Thu, Dec 11
SAT
San Antonio
JAX
Jacksonville
$286 Roundtrip, found 5 days ago
$286
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Dec 9 from San Antonio to Jacksonville, returning Thu, Dec 11, priced at $286 found 5 days ago
American Airlines
Thu, Nov 27 - Tue, Dec 2
SAT
San Antonio
JAX
Jacksonville
$287 Roundtrip, just found
$287
Roundtrip
just found
Select American Airlines flight, departing Thu, Nov 27 from San Antonio to Jacksonville, returning Tue, Dec 2, priced at $287 just found
Delta
Tue, Jan 13 - Sat, Jan 17
SAT
San Antonio
JAX
Jacksonville
$287 Roundtrip, found 12 hours ago
$287
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Jan 13 from San Antonio to Jacksonville, returning Sat, Jan 17, priced at $287 found 12 hours ago
Delta
Sun, Jan 18 - Sat, Jan 31
SAT
San Antonio
JAX
Jacksonville
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Jan 18 from San Antonio to Jacksonville, returning Sat, Jan 31, priced at $289 found 2 days ago
United
Wed, Nov 19 - Mon, Nov 24
SAT
San Antonio
JAX
Jacksonville
$289 Roundtrip, found 6 days ago
$289
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 19 from San Antonio to Jacksonville, returning Mon, Nov 24, priced at $289 found 6 days ago
United
Wed, Dec 24 - Tue, Dec 30
SAT
San Antonio
JAX
Jacksonville
$291 Roundtrip, found 18 hours ago
$291
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Dec 24 from San Antonio to Jacksonville, returning Tue, Dec 30, priced at $291 found 18 hours ago

Find the cheapest month to fly from San Antonio (SAT) to Jacksonville (JAX)

August is typically the cheapest month to fly

From $177 - $596 per traveler.

Alternative airports near Jacksonville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Jacksonville Intl. JAX. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $457
JAX
Jacksonville Intl.
Cheapest
Average driving time to city center19 min
Flights from $457

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX) cost?
Grab a cheap one-way flight from $139 or cheap return flight from $279 from San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX)?
Planning your getaway for December may help you find better deals, as it's the cheapest month for flights between SAT and JAX. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from SAT to JAX. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX)?
Nonstop flights from San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAT to JAX?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX)?
To avoid potential delays on the San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX) last-minute?
Booking your ticket from SAT to JAX shortly before your getaway is generally more expensive. But if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SAT to JAX flight and hotel package?
Opting for a SAT to JAX flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Jacksonville Intl. Airport (JAX)?
Typically, you can modify or cancel your SAT to JAX flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
San Antonio Intl.
Destination airport
Jacksonville Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$278
Distance
1005 mi

Book with confidence

San Antonio to Jacksonville Flights

The cheapest times to fly from San Antonio to Jacksonville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Jacksonville are during the month of December. You can find some of the cheapest flights from San Antonio to Jacksonville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Jacksonville

Sunday is one of the best days to book for cheap flights from San Antonio to Jacksonville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Antonio to Jacksonville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Jacksonville in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Jacksonville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Jacksonville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Antonio to Jacksonville Flights

Explore a world of travel with Expedia

*Available to One Key members.