Cheap flights from Boston to Rio de Janeiro from $311

The cheapest month to fly to Rio de Janeiro from Boston is in November. Flight prices, which tend to average around $211, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Rio de Janeiro, with average flight prices from Boston averaging around $260.

You are more likely to see cheaper flights to Rio de Janeiro from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Rio de Janeiro for around $842 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rio de Janeiro from Boston for as low as $723 on momondo.

You could potentially save up to 13% on your flight if you consider stops on a Boston to Rio de Janeiro flight.

As of June 2026, prices for Boston to Rio de Janeiro flights are approximately 4% more expensive when compared to flights at the same time last year.

GOL, American Airlines, and Delta are the most popular carriers operating from Boston Logan Intl to Rio de Janeiro

LATAM Airlines, American Airlines and Copa Airlines are the top three most popular airlines that fly to Rio de Janeiro from Boston according to our data. LATAM Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Rio de Janeiro. Keep in mind that there are 6 different airlines that fly to Rio de Janeiro on a routine basis, so you have a few additional options to choose from.

Panama City (PTY) was the most common stop: 53% of momondo users choosing 1-stop flights on this route connected there.

Flights via New York (JFK) offer the lowest average round-trip price of $657.

Flights connecting via New York (JFK) have the shortest average one-way travel time: 11h 42m.

Panama City (PTY) has the shortest average layover time for this route: 1h 32m.