Cheap Flights from Jacksonville International to San Antonio International

Compare Jacksonville International to San Antonio International flight deals

Find the cheapest month or even day of the year to fly to San Antonio International

Book the best San Antonio International fare with no extra fees

Flight deals from Jacksonville International to San Antonio International

Looking for a cheap last-minute deal or the best return flight from Jacksonville International Airport to San Antonio International Airport? If you want to travel next month, return fares start from R 4,697. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Jacksonville International to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Jacksonville International to San Antonio International flights are currently cheapest in August.

Jacksonville International to San Antonio International: Alternative routes

Compare routes from Jacksonville International to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Jacksonville to San Antonio: Flight information

The things to know before you go.
Cheapest flight foundR 2,115
Cheapest month to flyAugust

Finding cheap flights from Jacksonville International to San Antonio International: Frequently asked questions

The best price we found for a return flight from Jacksonville International to San Antonio International is R 4,697. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Jacksonville International to San Antonio International. But we found flights with one or more stops from R 4,697.
As of August 2026, there are no flights flying from Jacksonville International to San Antonio International.
The cheapest month to fly from Jacksonville International to San Antonio International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Jacksonville International Airport to San Antonio International Airport on Wednesday, 9 September 2026.
No airlines currently offer direct flights between Jacksonville International Airport and San Antonio International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to San Antonio International.

Flying from Jacksonville International Airport (JAX) to San Antonio International Airport (SAT): what you need to know

  • San Antonio is one hour behind Jacksonville and observes the UTC-6 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to catch your JAX to SAT flight.

  • Be prepared for longer lines during popular months like July. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a good idea.

  • If you'd like to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Jacksonville International Airport to San Antonio International Airport. These are the most popular stopovers between JAX and SAT:

    • Atlanta Hartsfield-Jackson Airport

    • Houston George Bush Intercntl. Airport

    • Dallas Love Field Airport

How to find the cheapest flights from Jacksonville International Airport (JAX) to San Antonio International Airport (SAT)

  • R 2,115 is the lowest price for a one-way Jacksonville International Airport to San Antonio International Airport flight. Return flights start at R 4,697. These prices can change depending on demand and availability.

  • Don't wait until the last moment. You're more likely to find cheap tickets from JAX to SAT if you book ahead. Airlines often offer some excellent early bird deals.

  • If you can be flexible with your travel plans, use the 'Whole month' search function. It'll find the lowest price in every month when searching for your flight from Jacksonville International Airport to San Antonio International Airport.

  • Never miss a deal on cheap flights from JAX to SAT by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

  • Tailor your flights with filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Jacksonville International Airport to San Antonio International Airport.

Handy information about Jacksonville International Airport (JAX)

  • JAX's address is 2400 Yankee Clipper Drive.

  • 81% of flights leaving Jacksonville International Airport land at their destination as planned. Given its strong performance rating, disruptions are unlikely when taking off from JAX.

  • Central Jacksonville to Jacksonville International Airport is approximately 29 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • You can expect a journey time of around 1 hour 15 minutes on public transport.

  • Need a handy hotel close to JAX? If you're catching an early flight from Jacksonville International Airport to San Antonio International Airport, these stays will have you moments from your departure lounge:

Arriving at San Antonio International Airport (SAT)

When to fly to San Antonio International Airport (SAT)

  • It's time to plan your trip dates for your flight from Jacksonville International Airport to San Antonio International Airport. July is the most popular month to visit San Antonio. If you like a more low-key vibe, go in March.

  • Book your flight from Jacksonville International Airport to San Antonio International Airport for August if you want to go to San Antonio during its warmest month. You can expect temperatures of between 24ºC (75ºF) and 40ºC (104ºF).

  • Look for cheap tickets from JAX to SAT in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 4ºC (39ºF) and 20ºC (68ºF) on average.

Explore more of the United States

  • You've done San Antonio, now it's time to discover more of the United States. Journey around 306 kilometres east to Houston to check off its top sights. From The Museum of Fine Arts, Houston, Beck Building to Houston Museum of Natural Science and The Menil Collection, you'll have a full itinerary ahead.

  • If you're ready to explore another corner of the United States, head for Dallas, roughly 402 kilometres north-east of San Antonio. Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.