Cheap flights from Boston to Porto Alegre from $366

Travelers frequently search for route combinations, such as Boston and Barcelona, Orlando, Mexico City, Miami, Toronto, San Juan, Atlanta, Tel Aviv, Lisbon, Tampa, San Francisco, Istanbul, San José, Washington, D.C., Dallas, New York, Seattle, Fort Lauderdale, Bogotá, Copenhagen.

Travelers frequently search for route combinations, such as Porto Alegre and Orlando, Denver, New York, Miami, São Paulo, Rio de Janeiro, Brasília, Belo Horizonte, Manaus, Curitiba, Natal, Asunción, Buenos Aires, Columbus, Los Angeles, London, Las Vegas, Atlanta, Baton Rouge, Portland.

The main airport in Boston is Logan International. It is also served by Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Portland International Jetport, Albany International, Tweed New Haven, Manchester–Boston Regional, Portsmouth International Airport at Pease, Augusta State, Lebanon Municipal.

The main airport in Porto Alegre is Salgado Filho International. It is also served by Campo dos Bugres.

Currently, you can fly between Boston and Porto Alegre with LATAM Airlines, Azul, JetBlue Airways, Copa Airlines, Gol Transportes Aéreos.

If you don’t have specific dates for your trip between Boston and Porto Alegre, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Boston and Porto Alegre, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Boston. The main one is Logan International and other nearby airports include Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Portland International Jetport, Albany International, Tweed New Haven, Manchester–Boston Regional, Portsmouth International Airport at Pease, Augusta State, Lebanon Municipal

There are a number of airports in and around Porto Alegre. The main one is Salgado Filho International and other nearby airports include Campo dos Bugres.