Cheap Flights from San Antonio, TX to San Juan from $91
On Cheapflightsplus.com you will find 3 direct and 242 connecting flights from San Antonio to San Juan. You can compare airfare deals from 7 airlines and multiple travel sites from $91, book and save on cheap plane tickets and last minute offers. Also check out SAT-SJU flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from San Antonio to San Juan depends on and how to choose the most interesting flight option for you.
Distance between San Antonio and San Juan is 3507 miles. Time difference between the cities is 2h. Airplanes depart 05:15 to 22:57 from 5 San Antonio airports and arrive 05:15 to 22:57 to 2 San Juan airports. Average flight time is 4h 40m.
- The fastest flight 4h 39m
- Average flight time 4h 40m
- The earliest flight 05:15
- The latest flight 22:57
- Distance 2180 ml
Best Flights from San Antonio to San Juan Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $91 | 16:30 San Antonio San Antonio | 22:10 San Juan Luis Munoz Marin Intl | 4h 40m | Spirit Airlines | NK1624 |
| from $152 | 14:26 San Antonio San Antonio | 20:05 San Juan Luis Munoz Marin Intl | 4h 39m | Spirit Airlines | NK2527 |
| from $125 | 20:48 San Antonio San Antonio | 14:45+1 день San Juan Luis Munoz Marin Intl | 16h 57m layover 11h 1m - Atlanta | Spirit Airlines | NK1357 NK1389 |
| from $138 | 10:16 San Antonio San Antonio | 00:28+1 день San Juan Luis Munoz Marin Intl | 13h 12m layover 7h 16m - Orlando | Frontier Airlines | F91654 F91746 |
The cheapest months to travel to San Juan are july (from 91 $), august (from 127 $), october (from 185 $).
The most expensive months are december (from 376 $), september (from 185 $), october (from 185 $).
What is the lowest airfare San Antonio to San Juan?
The cheapest plane ticket found by our users is $91. This airfare is for economy class on one-way NK1624 flight by Spirit Airlines for August 8, 2025 which leaves San Antonio in San Antonio at 16:30 am and arrives at San Juan Luis Munoz Marin Intl at 22:10.
Flight Schedule San Antonio (Texas) to San Juan
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Popular Airlines on the Route
The flight San Antonio — San Juan is served by 7 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 3 departures per week at the price of from $ 681 . And the most expensive tickets are offered by United Airlines airline - from $ 2488.
Direct flights
There are 3 nonstop flights on the route. The fastest direct flight is NK2527 by Spirit Airlines takes 4h 39m and the cheapest is NK1624 by Spirit Airlines for $91.
- NK - Spirit Airlinesfrom $91Find
Connecting Flights
There are 242 flights with layovers on the route. The fastest connecting flight is UA1486 by United Airlines takes 7h 12m and the cheapest is NK1624 by Spirit Airlines for $125.
- AS - Alaska Airlinesfrom $681Find
- F9 - Frontier Airlinesfrom $138Find
- SY - Sun Country Airlinesfrom $240Find
- Y4 - Volarisfrom $389Find
- UA - United Airlinesfrom $191Find
- VB - VivaAerobusfrom $415Find
- NK - Spirit Airlinesfrom $125Find
Airports
You can fly from San Antonio to San Juan from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATfrom $91Find
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
San Juan airports
- Isla Grande-SIGFind
- Luis Munoz Marin Intl-SJUFind
Airplanes
There are flights to San Juan from San Antonio by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from San Antonio
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Top International Destinations from San Antonio
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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