Cheap flights from San Juan to San Antonio

Luis Muñoz Marín
SJU
San Antonio
SAT

Flight deals from San Juan to San Antonio

Below you can see the best deals on flights San Juan — San Antonio for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 10 September, from $183.

Top 10 cheap flights from San Juan to San Antonio

DL
DL
$ 182

San Juan — San Antonio

17:59—00:08
10 Sep 2026
7 h 9 m
1 stop
DL
DL
$ 182

San Juan — San Antonio

17:59—00:08
11 Sep 2026
7 h 9 m
1 stop
DL
DL
$ 182

San Juan — San Antonio

07:00—15:12
11 Sep 2026
9 h 12 m
1 stop
F9
DL
DL
$ 197

San Juan — San Antonio

19:14—11:49
4 Sep 2026
17 h 35 m
2 stops
F9
DL
DL
$ 197

San Juan — San Antonio

19:14—13:38
4 Sep 2026
19 h 24 m
2 stops
F9
DL
DL
$ 197

San Juan — San Antonio

19:14—13:59
4 Sep 2026
19 h 45 m
2 stops
F9
DL
DL
$ 197

San Juan — San Antonio

19:14—16:39
4 Sep 2026
22 h 25 m
2 stops
F9
DL
DL
$ 197

San Juan — San Antonio

19:14—21:04
4 Sep 2026
26 h 50 m
2 stops
F9
DL
DL
$ 197

San Juan — San Antonio

19:14—22:34
4 Sep 2026
28 h 20 m
2 stops
F9
DL
DL
$ 197

San Juan — San Antonio

19:14—22:43
4 Sep 2026
28 h 29 m
2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the San Juan — San Antonio flight

Looking for cheap flights from San Juan to San Antonio? Compare fares from different airlines, check the flight schedule and travel time — and book your San Juan — San Antonio ticket online at the best price.

The route has direct flights — around 14 flights per week, flights are operated by Spirit Airlines, a nonstop flight takes about 7 h 3 min, the distance between the cities is around 3,506 km.

Planning your trip? You may find our San Antonio travel guide, how to get from the airport into town and San Antonio weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $183Min. price
SeptemberCheapest
AugustPeak season
YesDirect flights
3,506 kmDistance
7 h 3 minTravel time
1Airlines
14 / wkFlights

Flight ticket prices by day: San Juan — San Antonio

Below is a calendar of the lowest flight ticket prices for San Juan — San Antonio by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $183 in September, and the most expensive are around $206 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from San Juan to San Antonio by month. Tickets are usually cheapest in February (around $166) and priciest in December (about $254) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$175lowMay$193mediumSep$175low
Feb$166lowJun$237highOct$175low
Mar$228highJul$245highNov$201medium
Apr$201mediumAug$210mediumDec$254high

Some values are estimated based on seasonality.

When to fly

Weather in San Antonio: it is warmest in August (up to 36 °C on average) and coolest in January (around 18 °C). The driest month is July.

Tickets are usually cheapest in September and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · San Antonio

Dry and wet days · San Antonio

Wind speed and direction · San Antonio

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How to get the best deal on a San Juan — San Antonio ticket

  • Book ahead: fares for San Juan — San Antonio are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to San Antonio is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the San Juan — San Antonio route are operated by 1 airline; Spirit Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • Spirit AirlinesNK
    5x/week
    WebsiteFleet: 20544.1M pax/year
    • Direct flight SJU → SAT5x/week
    100.0%Open →

Cities and airports on the San Juan — San Antonio route

Flights San Juan — San Antonio depart from Luis Muñoz Marín International Airport and arrive at San Antonio International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

San Juan

SJU
Puerto Rico
About the cityHow to get thereWeatherAll about the country Puerto Rico
Arrival

San Antonio

SAT
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the San Juan — San Antonio flight

How long is the flight from San Juan to San Antonio?

A nonstop San Juan — San Antonio flight takes about 7 h 3 min — the distance between the cities is around 3,506 km.

How far is it from San Juan to San Antonio?

The distance from San Juan to San Antonio is about 3,506 km, which a nonstop flight covers in around 7 h 3 min.

Are there direct flights from San Juan to San Antonio?

Yes, there are nonstop flights San Juan — San Antonio — around 14 flights per week.

Which airlines fly from San Juan to San Antonio?

Airlines operating San Juan — San Antonio include Spirit Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do San Juan — San Antonio flights use?

Flights from San Juan depart from Luis Muñoz Marín International Airport, and arrive at San Antonio International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from San Juan to San Antonio?

The price of a San Juan — San Antonio ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in August. Tickets typically cost between $183 and $206. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights San Juan — San Antonio?

Flights San Juan — San Antonio are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from San Juan to San Antonio?

To catch a low fare San Juan — San Antonio, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from San Juan

See all
OrlandoNew York CityFort LauderdalePhiladelphiaMiamiSanto DomingoPunta CanaAtlantaDallasCharlotte AmalieChicagoHoustonTampaWashington, D.C.BostonTortolaPanama CityHartfordMadridMedellínGustaviaCharlotteBogotaSaint CroixJacksonvilleViequesMexico CityDetroitRaleighDominicaTorontoVirgin GordaClevelandSan JoséSantiagoCulebraProvidenceMinneapolisMontrealThe Valley

Where else you can fly from San Antonio

See all
DallasLos AngelesHoustonChicagoAtlantaLas VegasDenverPhoenixMinneapolisMexico CitySalt Lake CityCharlotteSeattleDetroitMonterreyNew York CityOrlandoPhiladelphiaGuadalajaraMiamiWashington, D.C.Fort LauderdaleCancunBostonTorontoQuerétaroSan FranciscoLeonTampaSan Luis PotosíBrownsvilleManhattanLafayette

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