SAT - JAX

$134 Find Cheap Flights from San Antonio to Jacksonville

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to Jacksonville departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Jacksonville

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to Jacksonville, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to Jacksonville, as well as popular online travel agencies
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to Jacksonville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Jacksonville

Tue, Sep 16 - Tue, Sep 30
Delta Logo
2:00 pm - 9:37 pmSAT-JAX
6h 37m1 stop
Delta Logo
6:14 pm - 11:25 pmJAX-SAT
6h 11m1 stop
$257Delta
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Tue, Sep 16 - Tue, Sep 30
United Airlines Logo
5:58 pm - 11:13 pmSAT-JAX
4h 15m1 stop
United Airlines Logo
2:39 pm - 10:35 pmJAX-SAT
8h 56m2 stops
$262United Airlines
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Sat, Sep 20 - Sat, Sep 27
Delta Logo
6:24 am - 2:31 pmSAT-JAX
7h 07m1 stop
Delta Logo
7:25 am - 1:55 pmJAX-SAT
7h 30m1 stop
$267Delta
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Mon, Oct 27 - Tue, Oct 28
Delta Logo
6:21 pm - 11:59 pmSAT-JAX
4h 38m1 stop
Delta Logo
5:10 am - 11:28 amJAX-SAT
7h 18m1 stop
$282Delta
Find Deal
Thu, Oct 16 - Thu, Oct 23
American Airlines Logo
6:35 am - 1:53 pmSAT-JAX
6h 18m1 stop
American Airlines Logo
7:45 pm - 11:43 pmJAX-SAT
4h 58m1 stop
$307American Airlines
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Fri, Oct 17 - Fri, Oct 24
American Airlines Logo
6:12 pm - 11:59 pmSAT-JAX
4h 47m1 stop
American Airlines Logo
3:59 pm - 9:19 pmJAX-SAT
6h 20m1 stop
$327American Airlines
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Tue, Nov 18 - Sat, Nov 22
Southwest Logo
12:45 pm - 9:15 pmSAT-JAX
7h 30m2 stops
Southwest Logo
3:35 pm - 11:25 pmJAX-SAT
8h 50m1 stop
$332Southwest
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Sun, Oct 5 - Thu, Oct 9
Southwest Logo
6:05 pm - 11:45 pmSAT-JAX
4h 40m1 stop
Southwest Logo
5:40 am - 11:05 amJAX-SAT
6h 25m1 stop
$347Southwest
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Fri, Oct 17 - Fri, Oct 24
Frontier Logo
7:10 pm - 5:10 pmSAT-JAX
45h 00m2 stops
Frontier Logo
9:39 pm - 4:52 pmJAX-SAT
44h 13m2 stops
$399Frontier
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Sat, Oct 18 - Sat, Oct 25
Frontier Logo
5:32 pm - 5:10 pmSAT-JAX
22h 38m2 stops
Frontier Logo
11:46 am - 4:52 pmJAX-SAT
30h 06m2 stops
$408Frontier
Find Deal
Booking Insights

KAYAK's insights & trends for San Antonio to Jacksonville flights

Get data-powered insights and trends into flights from San Antonio to Jacksonville to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from San Antonio to Jacksonville?

The average price of all round-trip flights from San Antonio to Jacksonville clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Jacksonville on a Wednesday and more expensive on a Sunday. On your return trip to San Antonio, you should consider flying back on a Tuesday, and avoid Mondays for better deals.

What is the cheapest month to fly from San Antonio to Jacksonville?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Antonio to Jacksonville, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Antonio to Jacksonville is July, where tickets cost $351 (return) on average. On the other hand, the most expensive months are December and August, where the average cost of round-trip tickets is $485 and $446 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Antonio to Jacksonville, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Antonio to Jacksonville, you should book around 4 weeks before departure, which saves you about 46% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$134
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 20% increase in price.
Flight from San Antonio to Jacksonville

When to book flights from San Antonio to Jacksonville

Are your dates flexible? Find out the best times to travel from San Antonio to Jacksonville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Antonio to Jacksonville

  • What is the cheapest flight from San Antonio to Jacksonville?

    In the last 3 days, the lowest price for a flight from San Antonio to Jacksonville was $134 for a one-way ticket and $257 for a round-trip.

  • Do I need a passport to fly between San Antonio and Jacksonville?

    A passport is not required to fly from San Antonio to Jacksonville.

  • Which airports will I be using when flying from San Antonio to Jacksonville?

    San Antonio and Jacksonville are both served by 1 main airport. You will leave San Antonio from San Antonio and will be arriving at Jacksonville.

  • Which aircraft models fly most regularly from San Antonio to Jacksonville?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Antonio to Jacksonville?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between San Antonio and Jacksonville, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from San Antonio to Jacksonville, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from San Antonio to Jacksonville are Southwest and Delta. With an average price for the route of $418 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $402 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from San Antonio to Jacksonville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Antonio to Jacksonville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Antonio to Jacksonville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Jacksonville from San Antonio is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Antonio to Jacksonville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Jacksonville with an airline and back to San Antonio with another airline. Booking your flights between San Antonio and JAX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Antonio to Jacksonville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Jacksonville from San Antonio up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from San Antonio to Jacksonville

 
See real verified KAYAK customer reviews for airlines flying from San Antonio to Jacksonville. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Antonio to Jacksonville? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4241 reviews
8.0Comfort
8.6Crew
7.0Food
8.1Boarding
7.5Entertainment
Airline reviews

AC sub par. WiFi not working correctly. Ac sucked. Seats very narrow.

2.0 MediocreMike, Aug 2025AUS - BWI
Read more Southwest reviews

AC sub par. WiFi not working correctly. Ac sucked. Seats very narrow.

southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.

The quality of Southwest Airlines continues to degrade each time I fly with them. If it were not for the free luggage, I would probably choose another airline. Their prices are a little bit competitive, but way too high for the quality of the service. Southwest is not unique in this way. Domestic flight in the United States of America has continued to be a lower and lower quality product. Very sad when you compare the quality of domestic airlines to that of many international airlines around the world.

I'm not a fan of Southwest's model. I don't like the herding style of boarding.

Flight crew and cabin crew were great. I had to rearrange flights because my original flight was 3hrs delayed for weather, the rub is the flight I moved to boarded on time then we sat at the gate for 2 hours because scheduling stole our first officer for another flight, TWICE. Then our actual FO was an hour delayed. To make it worse my original flight went from a 3 hour delay to departing 15min EARLY. Just poor scheduling operations all around.

Bring back peanuts Take our drink orders when were all seated, especially after you switch to assigned seating.

It is southwest seat was ok. Not the most comfortable seat

I’ve always loved Southwest. No issues at all. I was flying standby and the gate agent was extremely friendly and helpful. Boarding was smooth and I was able to get a window seat in the emergency exit row. Crew was fantastic! They were very professional and accommodating. We had to divert from our destination due to weather but the flight crew kept everyone at ease and informed us of all pertinent information. Excellent flight

Plz don't take away free bags and free seating

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

Always good but we must do something about people in rows ahead of you that don't put their seats back up when they are suppose to. And It's rough to not be able to even lean over to get something out of my purse.

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

this crew didn't care much. bumping carts into seats more times than i care to remember

Everything was fine except the entertainment was not working for half of the flight.

Easy boarding with an extremely kind attendant. Seats were spacious and we had 3 seats for 2 people so we could stretch out. Comfortable air flow and very attentive and hospital attendants. Bathrooms and food were the only negative. Bathrooms were so small you could hardly get in and close the door. I don’t think an obese person would fit or a person with a movement disability. Food was the trending food for flights, nonexistent. We spent $40 getting sandwich and snack at airport for our 6 hour flught.

The check in and bag drop off for Sky Priority members is slow. The Clear security was also slow - a TSA issue.

I am very bothered by the events today. I can't believe the flight attendants allowed someone to take my seat and made me move. It was embarrassing. I was in the right. The lady just didn't want move. I can't believe delta would allow this to stand and disrespect my rights as a passenger. The lady complained about her leg and that she couldn't move. Firstly somehow she was able to make it to row 24. Not sure how much her leg could have hurt. Secondly, I'm in plenty of pain myself. I just finished chemotherapy a several weeks ago. My body is constantly sore. Yet deltas flight attendants didn't appropriately protect my rights. In the end they found me a seat on the plane but I want to understand how delta can operate this way. They in essence allowed a bully to get their way.

Crew was friendly Love the entertainment in the seat head rest.

Simply outstanding. Their new lounge for Delta One customers is a cut above the rest.

I loved having a most black flight crew during Black History Month; rather by design or accident I appreciated the representation. ❤️

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

I liked the choice of lemon ginger tea. I think stewardesses can be more considerate of older people needs.

Overall it was good. I missed my connection but I was put on another flight.

I love flying with United. Unfortunately, I flew on an older plane with minimal upgraded technology (no Bluetooth functionality or handy charging ports). Otherwise, the flight was great and even arrived early.

They changed my seats after I checked in and I was stressed from the time I saw that information until just before boarding, when the gate attendant fixed it, but it shouldn't have happened. And if it couldn't be prevented, then the people on the phone I spoke with should have done something to help, which they did not, nor did they offer me compensation, just meaningless apologies.

Gate agent did not hold flight for connection, provided no assistance to get new flight

Smooth flight, especially take off and landing, and great crew on board. Really loved the stroopwaffles!

Stewardess spilled orange juice on my clothes/seat no help no apology just threw napkins at me to clean the mess up. Not Happy.

Smooth flight. Boarding was chaotic. Could not hear the gate agent over the intercom. People were lined up in the wrong lines. Groups one and two were told to board through line one and group 3 through line 2. All very confusing. Once in the air, the flight was smooth. There was no entertainment option on this aircraft, even though it was a larger aircraft.

We boarded but then sat there waiting on some missed connection people to get on so we sat for about 15 minutes for that. Then we sat again because the passenger manifest was wrong and they had to figure it out before we could leave. That took about another 20 minutes or so. The crew was working hard to figure it out so it’s not their fault. It ended up being a system glitch where someone was upgraded to first class while another person was also in the same seat and it just created a mess that took a little while to figure out. They literally went to every person on the plane asking their names to see who was sitting in the wrong seat. I also hate the entertainment that must be watched on your phone or tablet. Just give us setback screens. It’s so much better. Almost every Delta flight has this now and it is so nice to have them. The crew did a great job. I have no complaints from them. They were very hard working, even with the mishap and a disgruntled passenger.

While waiting to claim my checked luggage, I discovered the airline had lost it. After a long wait and inquiries, I discovered it was on another flight. Fortunately, the airline finally sent my luggage home.

Flight delays numerous times. Everytime we would get close to boarding it would be delayed again. Strung along the entire time.

This flight never occurred because AA couldn’t get their act together.

During service there was a garbage/beverage spill near our seats that never was cleaned up. On a relatively short flight when we’re fortunate enough to actually have in flight movies available, the flight attendants pitching the AADVANTAGE credit card shouldn’t talk for the last 10 minutes of the flight so that we miss the end of the movie.

Waited on the runway for takeoff for 2.5 hours. Air traffic rerouted us. The plane didn't have enough fuel, so had to go back to the gate. Had to wait for a new pilot. Should have landed at 5:22. Didn't land until 9:10. Trash flight.

The boarding was pretty easy. However, the first class seats are not lay flat as other airlines (like JetBlue) has and therefore sleeping was a challenge.

Everything about the flight was lovely…We left early, arrived early, cabin crew were efficient and helpful. Flight was easy and most pleasant.

Would have thought that they would gas up plane before everyone got on board

Fine. On time, cabin service was fine, bag arrived. All good. Flying into DCA so did not collide with any helicopters, which is also good. Horrid incident that could have and should have been prevented.

Standard. No different than a discount carrier on a short trip.

Everything you need to know for your flight from San Antonio to Jacksonville

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