Cheap flights from Sao Paulo to Porto Alegre from $39

The cheapest month to fly to Porto Alegre from Sao Paulo is in May. Flight prices, which tend to average around $86, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in May, then June is your next best option. Flight prices from Sao Paulo to Porto Alegre during June average around $96.

Our data shows that Saturday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $133. On the other hand, Sunday is the most expensive day to depart from Sao Paulo because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $166.

Our most recent data shows that the best time of day to fly to Porto Alegre is at noon. Flights from Sao Paulo to Porto Alegre during this time can be as low as $118. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $181 on average. Flights to Porto Alegre from Sao Paulo in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Sao Paulo Guarulhos Intl to Porto Alegre Salgado Filho for the best Sao Paulo - Porto Alegre Salgado Filho flight prices

You are more likely to see cheaper flights to Porto Alegre from Sao Paulo when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around $108 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from Sao Paulo for as low as $75 on momondo.

No. A direct flight is the cheapest option for a flight between Sao Paulo to Porto Alegre.

As of May 2026, prices for Sao Paulo to Porto Alegre flights are approximately 15% cheaper when compared to flights at the same time last year.

GOL and Azul are the most popular carriers operating from Sao Paulo to Porto Alegre Salgado Filho

Azul, LATAM Airlines and GOL are the top three most popular airlines that fly to Porto Alegre from Sao Paulo according to our data. Azul is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Porto Alegre. Keep in mind that there are 3 different airlines that fly to Porto Alegre on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Sao Paulo and Porto Alegre have experienced a delay on any given week. The average delay length over the past 12 months has been 97 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Azul have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

The number of flights available between Sao Paulo and Porto Alegre is 92 per day as of May 2026. The most frequent departure time is 7:00AM, with 40% of daily flights leaving at noon.

The number of flights available between Sao Paulo and Porto Alegre is 648 per week as of May 2026. The most frequent departure day is Sun, with 21% of weekly flights leaving on this day.