Trip.com
>
Flights
>
Flights to Brazil
>
Flights to Rio de Janeiro State
>
Flights to Rio de Janeiro
Hotels in Rio de Janeiro
>
Flights from Boston to Rio de Janeiro

Find cheap airlines flights from Boston to Rio de Janeiro

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
LATAM Airlines logo LATAM Airlines American Airlines logo American Airlines Copa Airlines logo Copa Airlines Gol Linhas Aereas Inteligentes logo Gol Linhas Aereas Inteligentes

Cheap flight deals from Boston to Rio de Janeiro

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Boston to Rio de Janeiro

Cheapest one-way flight price $299
Off-season for travel May
Peak season for travel March
Flight distance 7,799.67 km
Popular airline avianca

When is the cheapest time to fly from Boston to Rio de Janeiro?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
From price
Search
  • 8 15
  • 15 22
  • 22 29

  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Boston (BOS) to Rio de Janeiro (RIO) the cheapest?

    Airlines adjust prices for flights from Boston to Rio de Janeiro based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Boston (BOS) to Rio de Janeiro (RIO) cost?

    According to Trip.com's data, the lowest price is around $893.

How to find a cheap flight from Boston to Rio de Janeiro

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to Rio de Janeiro. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest Boston to Rio de Janeiro ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Boston to Rio de Janeiro for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $300 for a one-way ticket on Sun, Jul 13.
2
Compare cheap Boston to Rio de Janeiro flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Boston to Rio de Janeiro. The most affordable airline currently operating on this route is United Airlines.
3
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Boston to Rio de Janeiro route to track ticket prices effortlessly—no need to check manually every day.
4
Don't miss out on cheap Boston to Rio de Janeiro flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
5
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
6
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Boston to Rio de Janeiro to access exclusive deals just for you.

More Travel Options

  • Top Routes from Boston
  • Top Routes to Rio de Janeiro
  • Popular Airlines