Cheap flights from San Francisco to Porto Alegre
Travel > South America > Brazil > San Francisco to Porto Alegre flights
Check our current prices for flights from San Francisco to Porto Alegre. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from San Francisco to Porto Alegre, you will need to run a search below.
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Cheap Porto Alegre airfares from $812/RT are provided by Cheapoair.com. Outbound flight is leaving on 03/22/2025, 11:55 pm from San Francisco Intl (SFO) airport and arrives at Porto Alegre Salgado (POA) at 06:30 am. The flight time is 6 hours and 35 minutes. The Returning flight departes on 03/27/2025, 07:25 am (other return dates are also available). Date posted: 02 Feb 2025
Price evolution for flights From San Francisco To Porto Alegre

Recent Deals on Flights from San Francisco to Porto Alegre:Roundtrip / Oneway
- $812
Lan Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Porto Alegre, BR (POA) 03/22/2025 11:55 pm Porto Alegre, BR (POA) San Francisco, CA (SFO) 03/27/2025 07:25 am - $882
Lan Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Porto Alegre, BR (POA) 02/23/2025 06:00 am Porto Alegre, BR (POA) San Francisco, CA (SFO) 03/08/2025 07:25 am - $916
Multiple Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Porto Alegre, BR (POA) 03/22/2025 11:55 pm Porto Alegre, BR (POA) San Francisco, CA (SFO) 03/27/2025 07:40 pm - $926
Multiple Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Porto Alegre, BR (POA) 02/23/2025 11:05 pm Porto Alegre, BR (POA) San Francisco, CA (SFO) 03/08/2025 04:25 pm - We are sorry but currently there are no oneway offers for flights from San Francisco to Porto Alegre.
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Know what to do when flying to Porto Alegre?
Porto Alegre Travel Guide Porto Alegre is the capital of Rio Grande do Sul (the south most state of Brazil). Porto Alegre happens to be the tenth largest city of Brazil and it is an important economic, political, as well as cultural center for South Brazil. Southern [...]Porto Alegre Sightseeing Porto Alegre, Brazil - Attractions Festivals Two great festivals are Semana Farroupilha, featuring traditional folk dancing and singing, and Festa de Nossa Senhora dos Navegantes that is a massive fishing boat procession. Parks Parque [...]