$467 Cheap Flights from Boston (BOS) to Rio Branco (RBR)

View $467 flight on Sun, Oct 26, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Rio Branco (RBR-Presidente Medici Intl.)

Cheap Flights from Boston to Rio Branco (BOS-RBR)

Prices were available within the past 7 days and start at $467 for one-way flights and $1,240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Fri, Feb 13 - Wed, Feb 18
BOS
Boston
RBR
Rio Branco
$1,240 Roundtrip, found 1 day ago
$1,240
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Fri, Feb 13 from Boston to Rio Branco, returning Wed, Feb 18, priced at $1,240 found 1 day ago
LATAM Airlines Group
Fri, Feb 27 - Wed, Mar 4
BOS
Boston
RBR
Rio Branco
$1,291 Roundtrip, found 1 day ago
$1,291
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Fri, Feb 27 from Boston to Rio Branco, returning Wed, Mar 4, priced at $1,291 found 1 day ago
Delta
Fri, Feb 27 - Wed, Mar 4
BOS
Boston
RBR
Rio Branco
$1,298 Roundtrip, found 1 day ago
$1,298
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Feb 27 from Boston to Rio Branco, returning Wed, Mar 4, priced at $1,298 found 1 day ago
LATAM Airlines Group
Fri, Feb 13 - Wed, Feb 18
BOS
Boston
RBR
Rio Branco
$1,320 Roundtrip, found 1 day ago
$1,320
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Fri, Feb 13 from Boston to Rio Branco, returning Wed, Feb 18, priced at $1,320 found 1 day ago
LATAM Airlines Group
Fri, Feb 27 - Wed, Mar 4
BOS
Boston
RBR
Rio Branco
$1,371 Roundtrip, found 1 day ago
$1,371
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Fri, Feb 27 from Boston to Rio Branco, returning Wed, Mar 4, priced at $1,371 found 1 day ago
Delta
Fri, Feb 27 - Wed, Mar 4
BOS
Boston
RBR
Rio Branco
$1,378 Roundtrip, found 1 day ago
$1,378
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Feb 27 from Boston to Rio Branco, returning Wed, Mar 4, priced at $1,378 found 1 day ago
GOL Linhas Aereas S.A.
Thu, Dec 11 - Wed, Dec 31
BOS
Boston
RBR
Rio Branco
$1,815 Roundtrip, found 2 hours ago
$1,815
Roundtrip
found 2 hours ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Dec 11 from Boston to Rio Branco, returning Wed, Dec 31, priced at $1,815 found 2 hours ago
GOL Linhas Aereas S.A.
Thu, Dec 11 - Wed, Dec 31
BOS
Boston
RBR
Rio Branco
$1,832 Roundtrip, found 2 hours ago
$1,832
Roundtrip
found 2 hours ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Dec 11 from Boston to Rio Branco, returning Wed, Dec 31, priced at $1,832 found 2 hours ago
GOL Linhas Aereas S.A.
Thu, Dec 11 - Wed, Dec 31
BOS
Boston
RBR
Rio Branco
$1,877 Roundtrip, found 2 hours ago
$1,877
Roundtrip
found 2 hours ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Dec 11 from Boston to Rio Branco, returning Wed, Dec 31, priced at $1,877 found 2 hours ago
GOL Linhas Aereas S.A.
Thu, Dec 11 - Wed, Dec 31
BOS
Boston
RBR
Rio Branco
$1,895 Roundtrip, found 2 hours ago
$1,895
Roundtrip
found 2 hours ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Dec 11 from Boston to Rio Branco, returning Wed, Dec 31, priced at $1,895 found 2 hours ago
Flights from Boston (BOS) to Rio Branco (RBR)
Origin airport
Logan Intl.
Destination airport
Presidente Medici Intl.
Airlines serving
GOL Linhas Aereas S.A., LATAM Airlines Group
Roundtrip price
$1,240
Distance
3614 mi

Boston to Rio Branco Flights

The cheapest times to fly from Boston to Rio Branco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Rio Branco are during the month of February. You can find some of the cheapest flights from Boston to Rio Branco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Rio Branco

Sunday is one of the best days to book for cheap flights from Boston to Rio Branco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Rio Branco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Rio Branco in 2025. You can also book with separate airlines for your outbound and return journeys, from $467 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Rio Branco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Rio Branco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR) cost?
Lock in a cheap one-way flight from $467 or cheap return flight from $1,240 from Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR)?
February is the cheapest month to fly from BOS to RBR. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR)?
To find the cheapest airline flying from BOS to RBR, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR)?
You'll have to book a flight with a layover if you're traveling from Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BOS to RBR?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR)?
To avoid possible delays on the Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR) last-minute?
Booking your ticket from BOS to RBR just before your getaway is usually more expensive. However, if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a BOS to RBR flight and hotel package?
Opting for a BOS to RBR flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Presidente Medici Intl. Airport (RBR)?
In most cases, you can cancel or reschedule your BOS to RBR flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further details, head to our Customer Service portal.

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*Available to One Key members.