Cheap flights from Rio de Janeiro to Boston from $372

In general, March is the cheapest month to fly from Rio de Janeiro to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $557. If you aren’t able to travel during the month of March, then book flights to Boston from Rio de Janeiro during February instead. Flights to Boston in February, while not as cheap as those in March, still average around $631.

You are more likely to see cheaper flights to Boston from Rio de Janeiro when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $764 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Rio de Janeiro for as low as $528 on momondo.

You could potentially save up to 9% on your flight if you consider stops on a Rio de Janeiro to Boston flight.

As of October 2026, prices for Rio de Janeiro to Boston flights are approximately 1% cheaper when compared to flights at the same time last year.

Air Canada and United Airlines are the most popular carriers operating from Rio de Janeiro to Boston Logan Intl

American Airlines, Copa Airlines and Delta are the top three most popular airlines that fly to Boston from Rio de Janeiro according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 3 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Sao Paulo (GRU) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via Bogotá (BOG) offer the lowest average round-trip price of $771.

Flights connecting via Sao Paulo (GRU) have the shortest average one-way travel time: 12h 50m.

Sao Paulo (GRU) has the shortest average layover time for this route: 2h 06m.