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Cheap Flights from San Juan (SJUA) to San Antonio (SAT)

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      Travellers and cabin class, 1 Adult, Economy

      Compare San Juan 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 San Juan to San Antonio International

      Looking for a cheap last-minute deal or the best return flight from San Juan to San Antonio International Airport? If you want to travel next month, return fares start from $415. Find the lowest prices on one-way and return tickets right here.
      San Antonio.$415 per passenger.Departing Wed, 14 Oct, returning Wed, 21 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 14 Oct, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Wed, 21 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $415, select.
      San Antonio.$444 per passenger.Departing Thu, 12 Nov, returning Mon, 16 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 12 Nov, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Mon, 16 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $444, select.
      San Antonio.$446 per passenger.Departing Tue, 13 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Tue, 13 Oct, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Mon, 2 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $446, select.
      San Antonio.$522 per passenger.Departing Fri, 22 Jan, returning Sun, 31 Jan.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Fri, 22 Jan, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Sun, 31 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $522, select.
      San Antonio.$522 per passenger.Departing Fri, 4 Dec, returning Tue, 8 Dec.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Fri, 4 Dec, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Tue, 8 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $522, select.
      San Antonio.$555 per passenger.Departing Thu, 11 Feb, returning Sun, 14 Feb.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Thu, 11 Feb, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Sun, 14 Feb, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $555, select.
      San Antonio.$646 per passenger.Departing Mon, 21 Dec, returning Sun, 3 Jan.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Mon, 21 Dec, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Sun, 3 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $646, select.
      San Antonio.$678 per passenger.Departing Wed, 17 Mar, returning Wed, 31 Mar.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Wed, 17 Mar, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Wed, 31 Mar, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $678, select.
      San Antonio.$678 per passenger.Departing Wed, 7 Apr, returning Wed, 21 Apr.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Wed, 7 Apr, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Wed, 21 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $678, select.
      San Antonio.$678 per passenger.Departing Wed, 21 Apr, returning Wed, 5 May.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Wed, 21 Apr, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Wed, 5 May, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $678, select.
      San Antonio.$688 per passenger.Departing Sat, 26 Sep, returning Tue, 6 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Sat, 26 Sep, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Tue, 6 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $688, select.
      San Antonio.$772 per passenger.Departing Tue, 17 Nov, returning Tue, 1 Dec.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Tue, 17 Nov, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Tue, 1 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $772, select.
      San Antonio.$794 per passenger.Departing Fri, 18 Sep, returning Fri, 25 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Fri, 18 Sep, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Fri, 25 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $794, select.
      San Antonio.$1,352 per passenger.Departing Sun, 28 Feb, returning Sun, 14 Mar.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sun, 28 Feb, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Sun, 14 Mar, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $1,352, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from San Juan to San Antonio International found in the last 4 days, and are subject to change and availability.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Juan to San Antonio International flights are currently cheapest in October.
      Sep
      from $794
      Oct
      from $415
      Nov
      from $444
      Dec
      from $522
      Jan
      from $522
      Feb
      from $555
      Mar
      from $678
      Apr
      from $678
      May
      Find prices
      Jun
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      Jul
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      Aug
      Find prices

      San Juan to San Antonio International: Alternative routes

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

      San Antonio International

      13km from central San Antonio
      ClosestCheapest
      from $415
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      San Juan to San Antonio: Flight information

      The things to know before you go.
      Cheapest flight found$415
      Cheapest month to flyOctober

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

      The best price we found for a return flight from San Juan to San Antonio International is $415. 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 San Juan to San Antonio International. But we found flights with one stop from $415.
      As of September 2026, there are no flights flying from San Juan to San Antonio International.
      The cheapest month to fly from San Juan to San Antonio International is usually October.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Juan to San Antonio International Airport on Wednesday, 14 October 2026.
      No airlines currently offer direct flights between San Juan 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.

      The cheapest airline that flies to San Antonio International is Frontier Airlines .

      Travelling from San Juan to San Antonio International Airport (SAT): What you need to know

      • San Juan's main base, Luis Munoz Marin International Airport (SJU), is where plenty of awesome adventures begin. Explore the departure options from here when searching for a flight from San Juan to San Antonio International Airport (SAT).

      • 5 hours 5 minutes is the average journey time for a direct San Juan to San Antonio International Airport flight.

      • San Antonio International Airport is located in San Antonio. The city is in the UTC-6 timezone and is two hours behind San Juan.

      • 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 with enough time to catch your flight from San Juan to SAT.

      • Popular months like March or other peak periods mean longer lines and potential delays. Stay ahead of the crowds by getting to the airport even earlier. Aim for at least four hours ahead of international flights and two hours before a domestic departure.

      Airports in San Juan

      Luis Munoz Marin International Airport (SJU)

      • Fly without interruptions from Luis Munoz Marin International Airport (SJU). Nonstop flights from San Juan to San Antonio International Airport (SAT) can be booked from here.

      • You'll find a direct flight from San Juan to San Antonio International Airport with Spirit Airlines. This popular airline operates services from SJU.

      • The airline most travellers choose when flying between SJU and SAT is Spirit Airlines.

      • With a dependable 89.47% of services arriving as planned, Spirit Airlines is the most punctual carrier operating on this route.

      • We make it simple to book cheap flights from San Juan to SAT with a stopover. To explore the options departing from Luis Munoz Marin International Airport (SJU), deselect 'Direct flights only.' Then, simply select a flight offering a stop long enough to tour the city of your choice. Popular stopovers between SJU and SAT include:

        • Houston George Bush Intercontinental Airport (IAH)

        • Orlando International Airport (MCO)

        • Tampa International Airport (TPA)

      • Located around 11 kilometres from central San Juan, SJU can be reached in about 20 minutes by car (depending on traffic). The journey on public transport takes roughly 1 hour.

      • Booked an early flight from San Juan to San Antonio International Airport? Avoid rushing to the terminal (and enjoy a few extra z's) by picking one of these stays close to Luis Munoz Marin International Airport:

      • Luis Munoz Marin International Airport scores high marks for its on-time performance. 81% of flights that depart SJU arrive at their destination without delay.

      About San Antonio International Airport (SAT)

      Getting from San Antonio International Airport (SAT) to central San Antonio

      • San Antonio International Airport is around 14 kilometres from the centre of San Antonio. It takes around 20 minutes or so to get to the city by car.

      • If you're travelling by public transport, expect a journey time of roughly 50 minutes.

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

      • $193 is currently the best price for a one-way ticket from San Juan to San Antonio International Airport. A return flight starts at $415. These prices may change based on demand and availability.

      • Don't wait until the last minute. You're more likely to walk away with cheap flights from San Juan to SAT if you book in advance. Airlines often offer some excellent early bird rates.

      • Cheap San Juan to San Antonio International Airport tickets are easier to find when you have flexibility in your schedule. Use the 'Whole month' search tool to compare fares across the month and then pick the cheapest day.

      • Snapping up a cheap plane ticket from San Juan to SAT is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when there's a better deal.

      • Find the best deal on a flight from San Juan to San Antonio International Airport with the help of the filters. Pick your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

      The best time to fly from San Juan to San Antonio International Airport (SAT)

      • December is the quietest month for flights from San Juan to San Antonio International Airport (SAT), while July is the busiest. Find the best time to go to San Antonio based on whether you like a laid-back vibe or a more bustling atmosphere.

      • Before locking in your San Juan to SAT plane ticket, consider the kind of weather forecast you're hoping for. August is the warmest month in San Antonio, with temperatures ranging from 24ºC (75ºF) to 40ºC (104ºF).

      • January has temperatures of between 4ºC (39ºF) and 20ºC (68ºF). Search for cheap tickets from San Juan to San Antonio International Airport around that time if you want to travel in cooler conditions.

      More about San Antonio

      • Start your San Antonio trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from San Juan to San Antonio International Airport, explore our range of accommodation options including:

      • San Antonio River Walk and San Antonio River walk are just two of the major attractions to put on your San Antonio to-do list. Keep the momentum going by heading to Alamo Plaza.

      Explore more of the United States

      • Austin is just one of the many places in the United States waiting to be explored once you've seen San Antonio. Around 105 kilometres away to the northeast, its top attractions include Texas State Capitol, Austin Museum of Art, Downtown and 360 Bridge.

      • If you're eager to discover another well-known destination in the United States, consider Corpus Christi, roughly 225 kilometres southeast of San Antonio. USS LEXINGTON, Texas State Aquarium and Bayfront Park are key reasons to visit.

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