Cheap flights from San Antonio to Porto Alegre from $378

Travelers frequently search for route combinations, such as San Antonio and Mexico City, Guadalajara, Los Angeles, Las Vegas, Orlando, Cancún, Monterrey, Puerto Vallarta, New York, Puerto Escondido, Oaxaca, Denver, Santiago de Querétaro, Oaxaca, San José del Cabo, Dallas, London, Manila, Edmonton, Chicago, Vancouver.

Travelers frequently search for route combinations, such as Porto Alegre and Orlando, Denver, New York, Miami, São Paulo, Rio de Janeiro, Brasília, Belo Horizonte, Manaus, Curitiba, Natal, Asunción, Buenos Aires, Columbus, Los Angeles, London, Las Vegas, Atlanta, Baton Rouge, Portland.

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, Piedras Negras International, Corpus Christi International, Victoria Regional, Killeen–Fort Hood Regional, Easterwood.

The main airport in Porto Alegre is Salgado Filho International. It is also served by Campo dos Bugres.

Currently, you can fly between San Antonio and Porto Alegre with LATAM Airlines, Azul, Volaris, Copa Airlines, VivaAerobus.

If you don’t have specific dates for your trip between San Antonio and Porto Alegre, 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.

Traveling between San Antonio and Porto Alegre, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around San Antonio. The main one is San Antonio International and other nearby airports include Austin–Bergstrom International, San Antonio International, Nuevo Laredo International, Laredo International, Piedras Negras International, Corpus Christi International, Victoria Regional, Killeen–Fort Hood Regional, Easterwood

There are a number of airports in and around Porto Alegre. The main one is Salgado Filho International and other nearby airports include Campo dos Bugres.