Cheap flights from Boston to Sao Paulo from $353

The cheapest month to fly to Sao Paulo from Boston is in March. Flight prices, which tend to average around $609, are often lower during this time because this is during the off-season. If you don’t want to visit Sao Paulo in March, then you should wait until February to fly from Boston, when ticket prices are also cheap, with an average price of $661.

The cheapest day to depart on your flight to Sao Paulo is on a Tuesday when prices can be found for as low as $796. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,056.

Fly from Boston Logan Intl to Sao Paulo Guarulhos Intl for the best Boston Logan Intl - Sao Paulo flight prices

You are more likely to see cheaper flights to Sao Paulo from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Sao Paulo for around $804 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sao Paulo from Boston for as low as $668 on momondo.

There are 3 cabin classes available to choose from on Boston to Sao Paulo flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 31% on your flight if you consider stops on a Boston to Sao Paulo flight.

United Airlines, Copa Airlines, and GOL are the most popular carriers operating from Boston Logan Intl to Sao Paulo

LATAM Airlines, Delta and United Airlines are the top three most popular airlines that fly to Sao Paulo from Boston according to our data. LATAM Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Sao Paulo. Keep in mind that there are 9 different airlines that fly to Sao Paulo on a routine basis, so you have a few additional options to choose from.

Panama City (PTY) was the most common stop: 37% of momondo users choosing 1-stop flights on this route connected there.

Flights via Bogotá (BOG) offer the lowest average round-trip price of $563.

Flights connecting via New York (JFK) have the shortest average one-way travel time: 12h 16m.

Panama City (PTY) has the shortest average layover time for this route: 1h 26m.

As of November 2026, 1 flights take off from Boston and land in Sao Paulo each day. The most common flight departure time for this route is 10:00AM, with 100% of daily flights taking off at noon.

As of November 2026, there are 8 flights per week flying from Boston to Sao Paulo. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.