In general when looking for the cheapest flight to Porto Alegre, try to book your flight during the month of July for the best deal.
From most locations, to find the best deals on airfare, our data shows that users booking 0 days before flying found the cheapest flight to Porto Alegre.
On average, the cheapest flights to Porto Alegre are found when departing on a Sunday. Try to avoid departing on a Tuesday, as this is usually the most expensive day.
Typically, cheap prices to Porto Alegre are most often found for morning flights. Cheap prices are less likely for midday flights.