Cheap flights from San Antonio, TX to San Juan, undefined

Flights starting at £77. Choose between American Airlines, Spirit Airlines, or Frontier Airlines to find the best price.

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Travelers usually depart from San Antonio International, San Antonio, San Antonio Train Station, San Antonio-Patton Tareyton Tempo, or San Antonio-Pearl when they travel from San Antonio to San Juan. Book your trip to arrive at Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci. The most popular airlines for this route are American Airlines, Spirit Airlines, Frontier Airlines, United Airlines, and Delta Air Lines. San Antonio and San Juan have 401 direct flights per week.

Check-in for a flight from San Antonio to San Juan

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
American AirlinesAALAAYesNo
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight

United States COVID-19 travel restrictions

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Latest COVID-19 restrictions

United States

Kiwi.com/COVID-19/United States
  • Travel is allowed
  • No proof of negative pre-departure COVID-19 test results or recovery certificate
  • No quarantine required
Latest COVID-19 travel restrictions in United States – 08/2022
Your trip summary

Most travelers from San Antonio, SAT can enter Puerto Rico, but there are restrictions.

Departure

Travel restrictions
  • Travel is allowed
  • No proof of negative pre-departure COVID-19 test results or recovery certificate
  • No quarantine required
Additional information
  • Masks are recommended in certain settings

Return

Travel restrictions
  • Travel is allowed with restrictions
  • No proof of negative pre-departure COVID-19 test results or recovery certificate
  • No quarantine required for vaccinated travelers
Forms and documents
  • Mandatory proof of vaccination for the United States

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

What are the most popular routes to and from San Antonio?
Travelers frequently search for route combinations, such as San Antonio and London, Denver, Phoenix, Orlando, Guadalajara, Mexico City, New Orleans, León, San Francisco, Washington, D.C., Manchester, Chicago, Las Vegas, Boston, Raleigh, Riga, Los Angeles, Victoria, Rhodes, Portland.
What are the most popular routes to and from San Juan?
Travelers frequently search for route combinations, such as San Juan and London, Orlando, Montreal, Toronto, New York, Tampa, Philadelphia, Washington, D.C., Madrid, Fort Lauderdale, Barcelona, Charlotte, Austin, Saint Croix, Athens, Houston, Chicago, Boston, Edmonton, Santo Domingo.
What airports are near San Antonio?
The main airport in San Antonio is San Antonio International. It is also served by Austin–Bergstrom International, San Antonio International, Nuevo Laredo International, Laredo International, Corpus Christi International, Piedras Negras International, Del Rio International, Victoria Regional, Killeen–Fort Hood Regional, Easterwood.
What airports are near San Juan?
The main airport in San Juan is Luis Muñoz Marín International. It is also served by Aguadilla Rafael Hernandez, Mercedita, Eugenio María de Hostos.
What buses and trains depart from San Antonio?
A number of bus and train companies depart from San Antonio, including Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Antonio and San Juan?
Yes, it's possible to combine different modes of transport between San Antonio and San Juan thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between San Antonio and San Juan can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between San Antonio and San Juan?
Currently, you can fly between San Antonio and San Juan with American Airlines, Spirit Airlines, Frontier Airlines, United Airlines, Delta Air Lines.
When's the best time to travel between San Antonio and San Juan?
If you don’t have specific dates for your trip between San Antonio and San Juan, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between San Antonio and San Juan?
How many airports are there near San Antonio?
How many airports are there near San Juan?
Is it possible to reach San Antonio by bus or train?
What time do nonstop (direct) flights between San Antonio and San Juan depart?
What time do nonstop (direct) flights between San Antonio and San Juan arrive?
What time do flights between San Antonio and San Juan depart?
What time do flights between San Antonio and San Juan arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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