$235 Cheap flights to Porto Alegre

Users planning a flight to Porto Alegre during the month of September should anticipate rain. There are still things to do in Porto Alegre even when it's raining, though. Many tourists kill time during rain and storms by going to shopping centers in the area, like Barra Shopping Sul.

The cheapest month to fly to Porto Alegre from United States is in February. Flight prices, which tend to average around $698, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in February, then October is your next best option. Flight prices from United States to Porto Alegre during October average around $726.

Those flying to Porto Alegre could potentially find better pricing at Canoas Campo Nossa Senhora de Fatima Airport (8 mi from Porto Alegre city center), Canela Airport (51 mi from Porto Alegre city center) or Caxias do Sul Campo dos Bugres Airport (58 mi from Porto Alegre city center) depending on the month and departure airport.

Prices vary based on where travelers are departing from, but on average, the cheapest airport to fly to in Porto Alegre is Caxias do Sul Campo dos Bugres Airport where the average price is $192. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Users booking trips to Porto Alegre from Rio de Janeiro found flights 73% cheaper than the average price of flights to Porto Alegre. To find the cheapest price to Porto Alegre from your area, use momondo’s Airport-to-Airport Pricing Tool.

Prices for flights to Porto Alegre Salgado Filho Airport are updated daily.

There are 8 operators available for flights to Porto Alegre Salgado Filho Airport as of August 2025.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Porto Alegre Salgado Filho Airport.

The required travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Alegre Salgado Filho Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.