802 - 1,564 USD
From most locations, the cheapest flights to Porto Alegre can be found during the month of May; however great deals can be found at other times.
From most locations, to find the best deals on airfare, our data shows that users booking 48 days before flying found the cheapest flight to Porto Alegre.
In general, booking your departure to Porto Alegre for a Wednesday represents the best deal on airfare. Try to avoid a Saturday departure to stay away from the highest prices.
Generally, when visiting Porto Alegre, noon flights represent the best value. evening flights are likely to have higher prices.