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Cheap flights from Jacksonville to San Antonio from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to San Antonio departing on 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Jacksonville to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:30 am - 12:45 pm
JAX
-
SAT
5h 15m1 stop
Delta Logo
8:00 am - 2:36 pm
SAT
-
JAX
5h 36m1 stop
$265Delta
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
6:27 pm - 11:52 pm
JAX
-
SAT
30h 25m2 stops
Multiple Airlines Logo
6:18 pm - 7:22 pm
SAT
-
JAX
24h 04m1 stop
$276Multiple Airlines
Fri, Jan 9 - Fri, Jan 16
Delta Logo
4:01 pm - 10:28 pm
JAX
-
SAT
7h 27m1 stop
Delta Logo
5:59 pm - 12:01 am
SAT
-
JAX
5h 02m1 stop
$287Delta
Tue, Feb 17 - Sat, Feb 21
American Airlines Logo
4:03 pm - 11:10 pm
JAX
-
SAT
8h 07m1 stop
American Airlines Logo
5:00 am - 12:39 pm
SAT
-
JAX
6h 39m2 stops
$292American Airlines
Tue, Feb 17 - Sat, Feb 21
Delta Logo
5:39 pm - 11:23 pm
JAX
-
SAT
6h 44m1 stop
Delta Logo
5:20 am - 12:08 pm
SAT
-
JAX
5h 48m1 stop
$301Delta
Sat, Jan 17 - Mon, Jan 19
United Airlines Logo
1:45 pm - 8:56 pm
JAX
-
SAT
8h 11m1 stop
United Airlines Logo
2:10 pm - 9:32 pm
SAT
-
JAX
6h 22m1 stop
$323United Airlines
Sat, Jan 31 - Thu, Feb 12
Multiple Airlines Logo
5:28 pm - 5:03 pm
JAX
-
SAT
24h 35m1 stop
Multiple Airlines Logo
1:57 pm - 7:42 pm
SAT
-
JAX
28h 45m2 stops
$325Multiple Airlines
Sat, Jan 31 - Thu, Feb 12
United Airlines Logo
7:00 am - 1:08 pm
JAX
-
SAT
7h 08m1 stop
United Airlines Logo
9:51 am - 4:16 pm
SAT
-
JAX
5h 25m1 stop
$345United Airlines
Wed, Feb 18 - Sat, Feb 21
Delta Logo
7:04 pm - 12:34 am
JAX
-
SAT
6h 30m1 stop
Delta Logo
6:11 pm - 11:57 pm
SAT
-
JAX
4h 46m1 stop
$347Delta
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
9:20 am - 7:53 pm
JAX
-
SAT
11h 33m2 stops
United Airlines Logo
9:51 am - 4:16 pm
SAT
-
JAX
5h 25m1 stop
$350United Airlines
Wed, Feb 18 - Sat, Feb 21

Delta flights from Jacksonville to San Antonio

Our best Delta deals on Jacksonville to San Antonio flight tickets
Delta
Jan 17
JAX8:30 amJacksonville
5h 15m
1 stop
SAT12:45 pmSan Antonio
Jan 24
SAT8:00 amSan Antonio
5h 36m
1 stop
JAX2:36 pmJacksonville
$265
Find similar
Delta
Feb 17
JAX4:01 pmJacksonville
7h 27m
1 stop
SAT10:28 pmSan Antonio
Feb 21
SAT5:59 pmSan Antonio
5h 02m
1 stop
JAX12:01 amJacksonville
$287
Find similar
Delta
Jan 17
JAX5:39 pmJacksonville
6h 44m
1 stop
SAT11:23 pmSan Antonio
Jan 19
SAT5:20 amSan Antonio
5h 48m
1 stop
JAX12:08 pmJacksonville
$301
Find similar

American Airlines flights from Jacksonville to San Antonio

Our best American Airlines deals on Jacksonville to San Antonio flight tickets
American Airlines
Feb 17
JAX4:03 pmJacksonville
8h 07m
1 stop
SAT11:10 pmSan Antonio
Feb 21
SAT5:00 amSan Antonio
6h 39m
2 stops
JAX12:39 pmJacksonville
$292
Find similar
American Airlines
Feb 16
JAX3:52 pmJacksonville
8h 23m
1 stop
SAT11:15 pmSan Antonio
Feb 19
SAT10:14 amSan Antonio
6h 09m
1 stop
JAX5:23 pmJacksonville
$383
Find similar
American Airlines
Dec 25
JAX4:55 pmJacksonville
16h 23m
1 stop
SAT8:18 amSan Antonio
Dec 31
SAT6:00 amSan Antonio
4h 31m
1 stop
JAX11:31 amJacksonville
$558
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from Jacksonville to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sat 1/17

8:30 am-12:45 pm

1 stop5h 15m

San Antonio

Sat 1/24

8:00 am-2:36 pm

1 stop5h 36m

$265

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Fri 1/9

6:27 pm-11:52 pm

2 stops30h 25m

San Antonio

Fri 1/16

6:18 pm-7:22 pm

1 stop24h 04m

$276

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 2/17

4:01 pm-10:28 pm

1 stop7h 27m

San Antonio

Sat 2/21

5:59 pm-12:01 am

1 stop5h 02m

$287

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Tue 2/17

4:03 pm-11:10 pm

1 stop8h 07m

San Antonio

Sat 2/21

5:00 am-12:39 pm

2 stops6h 39m

$292

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sat 1/17

5:39 pm-11:23 pm

1 stop6h 44m

San Antonio

Mon 1/19

5:20 am-12:08 pm

1 stop5h 48m

$301

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sat 1/31

1:45 pm-8:56 pm

1 stop8h 11m

San Antonio

Thu 2/12

2:10 pm-9:32 pm

1 stop6h 22m

$323

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Sat 1/31

5:28 pm-5:03 pm

1 stop24h 35m

San Antonio

Thu 2/12

1:57 pm-7:42 pm

2 stops28h 45m

$325

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 2/18

7:00 am-1:08 pm

1 stop7h 08m

San Antonio

Sat 2/21

9:51 am-4:16 pm

1 stop5h 25m

$345

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 3/4

7:04 pm-12:34 am

1 stop6h 30m

San Antonio

Sun 3/8

6:11 pm-11:57 pm

1 stop4h 46m

$347

JacksonvilleSan Antonio

JAX - SAT

JAXSAT

Jacksonville

Wed 2/18

9:20 am-7:53 pm

2 stops11h 33m

San Antonio

Sat 2/21

9:51 am-4:16 pm

1 stop5h 25m

$350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Jacksonville to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Jacksonville during May instead. Flights to San Antonio in May, while not as cheap as those in August, still average around $338.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $376. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $513.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Jacksonville to San Antonio in the evening for as low as $356. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $485. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to San Antonio from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Jacksonville for as low as $329 on momondo.

Can stopping save me money on Jacksonville to San Antonio flights?

You could potentially save up to 9% on your flight if you consider stops on a Jacksonville to San Antonio flight.

How have Jacksonville to San Antonio flight prices changed over time?

As of December 2025, prices for Jacksonville to San Antonio flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Jacksonville to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Jacksonville to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Jacksonville to San Antonio (JAX to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Jacksonville to San Antonio

Fastest flight time

4h 43m

Direct flights

None
The fastest flight from Jacksonville to San Antonio takes 4h 43m
There are no direct flights from Jacksonville to San Antonio. There are no popular flight routes from Jacksonville to San Antonio.
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  • How far is Jacksonville to San Antonio by plane?

    Jacksonville and San Antonio are 1009.1 mi apart from one another. In terms of flight time, this usually takes a little over 4h 43m.

  • When did momondo last update prices for flights from Jacksonville Airport to San Antonio Airport?

    Prices for flights from Jacksonville Airport to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from Jacksonville Airport to San Antonio Airport?

  • How old do you have to be to fly from Jacksonville Airport to San Antonio Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Jacksonville Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Jacksonville to San Antonio?

Best airlines flying from Jacksonville to San Antonio

Compare and see reviews for airlines that fly from Jacksonville to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $262Free CancellationRating
7.9
8,021 reviews
Search Delta flights
American AirlinesPriceFrom $273Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,100 reviews
Search United Airlines flights
SouthwestPriceFrom $282Free CancellationRating
8.0
4,257 reviews
Search Southwest flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Jacksonville to San Antonio?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Jacksonville to San Antonio. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Jacksonville to San Antonio with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Antonio from Jacksonville with this policy.

How can momondo help me find flights from Jacksonville to San Antonio?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from Jacksonville.

I’m not ready to book a flight from Jacksonville to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Jacksonville and alert you when they change.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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