What are the cheapest airlines flying from Boston to Rio de Janeiro round-trip?

LATAM Airlines, at $663, was found to be the cheapest airline from Boston to Rio de Janeiro.Alternate airlines to your destination round-trip include Avianca and Copa Airlines. Users have found that LATAM Airlines is 23% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Boston to Rio de Janeiro one-way?

The cheapest airlines for a one-way flight from Boston to Rio de Janeiro are United Airlines ($316), Delta ($317), and American Airlines ($318).

In terms of precipitation, rainfall in Rio de Janeiro ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro when rainfall is around 1.6 in.

If weather is an important factor for your trip to Rio de Janeiro, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

What are the most popular airlines that fly from Boston to Rio de Janeiro?

The most popular airlines flying from Boston to Rio de Janeiro are American Airlines, Avianca and Copa Airlines. Something to consider prior to booking your flight.

Where are the most common layover locations when flying from Boston to Rio de Janeiro?

Most of the time, Boston to Rio de Janeiro flights that have layovers will stop in Miami. Sao Paulo sees the next most layovers on Boston to Rio de Janeiro flights.

Where are the least popular layover locations for Boston to Rio de Janeiro flights?

Boston to Rio de Janeiro flights have a layover in New York the least frequently.

What are some popular things to do or see while on a layover in Miami?

Most Miami visitors opt to spend their time experiencing Wynwood Art District, Bayfront Park, and Bayside Marketplace. Wynwood Art District, Bayfront Park, and Bayside Marketplace can be accessed by traveling approximately 5.5 mi, 6.4 mi, and 6.4 mi, respectively from Miami. Those looking to explore during their layover in Miami can rent a car from Miami for about $22 per day.

What are some popular points of interest to see during a layover in Sao Paulo?

Memorial da América Latina, Vibra São Paulo, and Museu de Arte de São Paulo are currently the most popular points of interest in Sao Paulo at the moment. Memorial da América Latina, Vibra São Paulo, and Museu de Arte de São Paulo can be accessed by traveling approximately 13.4 mi, 21.4 mi, and 14.3 mi, respectively from Sao Paulo Guarulhos Intl. Travelers can rent a car at Sao Paulo Guarulhos Intl for an average daily rate of $38 to make sightseeing during their layover a little easier.

What is the cheapest day to fly round-trip from Boston to Rio de Janeiro?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 19% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Boston to Rio de Janeiro?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 15 days in advance, which can save you up to 18% on flights from Boston to Rio de Janeiro compared to booking the week you need them. Waiting 15 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $575. For sooner than that we have options available in the next 3 days from $782.

What is the cheapest month to fly from Boston to Rio de Janeiro?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Rio de Janeiro. Flights to Rio de Janeiro from Boston in September are about $871 on average during September, but can be found for as low as $505.

What airport do you fly from for flights from Boston to Rio de Janeiro?

Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Rio de Janeiro from Boston. Booking flights from Logan Intl (BOS) to Rio de Janeiro should be relatively easy as there are 0 daily outbound flights to Rio de Janeiro from 7 different airlines.

Can I find deals for flights from Boston to Rio de Janeiro that include hotel bookings?

Yes. In addition to deals on Boston to Rio de Janeiro flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boston to Rio de Janeiro?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Rio de Janeiro.

Can I find deals for business class flights from Boston to Rio de Janeiro?

Yes. Cheapflights offers flight deals from Boston to Rio de Janeiro by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$316+ Flights from Boston to Rio de Janeiro, Brazil

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Boston to Rio de Janeiro with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Rio de Janeiro are usually found in September or January, booked 35 days in advance, depart on a Wednesday or Sunday and return on a Monday

Cheap flight deals from Boston to Rio de Janeiro

Round-trip from	$663 (KAYAK)
One-way from	$316 (United Airlines)
Popular in	December
Cheapest in	September
Average price	$1,015

From Boston Logan Intl to Rio de Janeiro (RIO)

Search Deals

One-way flight from Boston Logan Intl to Rio de Janeiro (RIO)

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($59 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Boston to Rio de Janeiro

Cheapest flights from Boston to Rio de Janeiro
Explore the most affordable flight options available from Boston to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Fri 11/288:55 amBOS - GIG

2 stops22h 40mLATAM Airlines

Sun 12/76:40 amGIG - BOS

2 stops25h 55mLATAM Airlines

Deal found 7/1

$663

Mon 8/256:55 pmBOS - GIG

2 stops28h 35mMultiple Airlines

Fri 8/291:30 amGIG - BOS

3 stops34h 48mMultiple Airlines

Deal found 7/1

$664

Wed 8/204:50 pmBOS - GIG

2 stops30h 35mAvianca

Tue 9/21:30 amGIG - BOS

1 stop30h 45mAvianca

Deal found 7/2

$665

Thu 8/214:05 pmBOS - GIG

1 stop31h 10mCopa Airlines

Wed 9/31:27 amGIG - BOS

1 stop18h 55mCopa Airlines

Deal found 7/2

$666

Thu 8/285:59 pmBOS - GIG

2 stops20h 06mAmerican Airlines

Sun 9/74:55 pmGIG - BOS

2 stops20h 21mAmerican Airlines

Deal found 7/1

$667

Thu 10/95:00 pmBOS - SDU

2 stops19h 40mLATAM Airlines

Sun 10/1910:15 amSDU - BOS

2 stops22h 20mLATAM Airlines

Deal found 7/2

$672

Thu 8/219:00 amBOS - SDU

2 stops22h 40mMultiple Airlines

Thu 9/410:35 amSDU - BOS

3 stops29h 20mMultiple Airlines

Deal found 7/2

$675

Mon 9/812:15 pmBOS - SDU

2 stops25h 05mAir Canada

Wed 9/177:55 amSDU - BOS

2 stops26h 35mAir Canada

Deal found 7/2

$743

Best flights from Boston to Rio de Janeiro
Discover carefully curated flight deals from Boston to Rio de Janeiro that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Fri 11/288:55 amBOS - GIG

2 stops22h 40mLATAM Airlines

Sun 12/76:40 amGIG - BOS

2 stops25h 55mLATAM Airlines

Deal found 7/1

$663

Mon 8/256:55 pmBOS - GIG

2 stops28h 35mMultiple Airlines

Fri 8/291:30 amGIG - BOS

3 stops34h 48mMultiple Airlines

Deal found 7/1

$664

Wed 8/204:50 pmBOS - GIG

2 stops30h 35mAvianca

Tue 9/21:30 amGIG - BOS

1 stop30h 45mAvianca

Deal found 7/2

$665

Thu 8/214:05 pmBOS - GIG

1 stop31h 10mCopa Airlines

Wed 9/31:27 amGIG - BOS

1 stop18h 55mCopa Airlines

Deal found 7/2

$666

Thu 8/285:59 pmBOS - GIG

2 stops20h 06mAmerican Airlines

Sun 9/74:55 pmGIG - BOS

2 stops20h 21mAmerican Airlines

Deal found 7/1

$667

Mon 9/812:15 pmBOS - SDU

2 stops25h 05mAir Canada

Wed 9/177:55 amSDU - BOS

2 stops26h 35mAir Canada

Deal found 7/2

$743

Thu 10/95:00 pmBOS - SDU

2 stops19h 40mLATAM Airlines

Sun 10/1910:15 amSDU - BOS

2 stops22h 20mLATAM Airlines

Deal found 7/2

$672

Thu 8/219:00 amBOS - SDU

2 stops22h 40mMultiple Airlines

Thu 9/410:35 amSDU - BOS

3 stops29h 20mMultiple Airlines

Deal found 7/2

$675

Last-minute flights from Boston to Rio de Janeiro
Discover last-minute flight deals from Boston to Rio de Janeiro. Data last updated July 3, 2025 and is based on user searches.

Wed 7/93:41 pmBOS - GIG

2 stops19h 54mLATAM Airlines

Mon 8/186:15 amGIG - BOS

2 stops18h 44mLATAM Airlines

Deal found 7/1

$730

Wed 7/98:44 amBOS - GIG

1 stop14h 31mMultiple Airlines

Mon 8/185:30 pmGIG - BOS

2 stops18h 48mMultiple Airlines

Deal found 7/1

$748

Wed 7/98:44 amBOS - GIG

1 stop18h 06mCopa Airlines

Sun 8/171:30 amGIG - BOS

1 stop19h 00mCopa Airlines

Deal found 7/1

$1,191

Wed 7/99:30 amBOS - GIG

2 stops19h 50mAvianca

Sun 8/171:30 amGIG - BOS

2 stops21h 29mAvianca

Deal found 7/1

$1,309

Wed 7/91:00 pmBOS - SDU

2 stops20h 40mGOL

Mon 8/185:40 pmSDU - BOS

2 stops31h 05mGOL

Deal found 7/1

$1,311

Thu 7/105:56 pmBOS - GIG

2 stops19h 39mGOL

Sun 7/133:10 pmGIG - BOS

2 stops22h 46mGOL

Deal found 7/1

$839

Thu 7/108:48 pmBOS - SDU

3 stops35h 22mMultiple Airlines

Sun 7/136:15 amSDU - BOS

2 stops27h 43mMultiple Airlines

Deal found 7/1

$1,123

Thu 7/101:10 pmBOS - SDU

2 stops19h 25mLATAM Airlines

Sun 7/1311:45 amSDU - BOS

2 stops20h 50mLATAM Airlines

Deal found 7/2

$1,206

Sun 7/135:25 amBOS - GIG

1 stop25h 50mUnited Airlines

Sun 7/209:05 pmGIG - BOS

1 stop25h 55mUnited Airlines

Deal found 7/2

$878

Wed 8/204:50 pmBOS - GIG

2 stops30h 35mAvianca

Tue 9/21:30 amGIG - BOS

1 stop30h 45mAvianca

Deal found 7/2

$665

Thu 8/214:05 pmBOS - GIG

1 stop31h 10mCopa Airlines

Wed 9/31:27 amGIG - BOS

1 stop18h 55mCopa Airlines

Deal found 7/2

$666

Thu 8/219:00 amBOS - SDU

2 stops22h 40mMultiple Airlines

Thu 9/410:35 amSDU - BOS

3 stops29h 20mMultiple Airlines

Deal found 7/2

$675

One-way flights from Boston to Rio de Janeiro
Search for one-way flight options from Boston to Rio de Janeiro. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Wed 10/295:30 amBOS - GIG

2 stops27h 05mUnited Airlines

Deal found 7/1

$316

Fri 10/319:55 amBOS - GIG

1 stop12h 45mDelta

Deal found 7/1

$317

Fri 10/319:55 amBOS - SDU

1 stop22h 40mDelta

Deal found 7/1

$317

Wed 10/295:59 pmBOS - GIG

1 stop15h 16mAmerican Airlines

Deal found 7/1

$318

Tue 10/283:34 pmBOS - SDU

2 stops20h 41mLATAM Airlines

Deal found 7/1

$321

Wed 10/296:10 amBOS - GIG

3 stops27h 55mMultiple Airlines

Deal found 7/1

$325

Sat 11/18:55 amBOS - SDU

2 stops25h 10mMultiple Airlines

Deal found 7/1

$332

Sat 11/13:05 pmBOS - GIG

2 stops24h 15mLATAM Airlines

Deal found 7/2

$370

Thu 10/234:25 pmBOS - SDU

2 stops20h 55mUnited Airlines

Deal found 7/1

$388

Thu 10/236:28 pmBOS - GIG

2 stops19h 37mGOL

Deal found 7/2

$393

Tue 7/229:00 amBOS - GIG

1 stop20h 20mAvianca

Deal found 7/2

$401

Mon 8/46:19 pmBOS - SDU

2 stops51h 01mGOL

Deal found 7/1

$461

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Rio de Janeiro that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Fri 11/28

8:55 am-9:35 am

2 stops22h 40m

Rio de Janeiro–Galeão Intl

Sun 12/7

6:40 am-6:35 am

2 stops25h 55m

$663

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Mon 8/25

6:55 pm-12:30 am

2 stops28h 35m

Rio de Janeiro–Galeão Intl

Fri 8/29

1:30 am-11:18 am

3 stops34h 48m

$664

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 8/20

4:50 pm-12:25 am

2 stops30h 35m

Rio de Janeiro–Galeão Intl

Tue 9/2

1:30 am-7:15 am

1 stop30h 45m

$665

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 8/21

4:05 pm-12:15 am

1 stop31h 10m

Rio de Janeiro–Galeão Intl

Wed 9/3

1:27 am-7:22 pm

1 stop18h 55m

$666

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 8/28

5:59 pm-3:05 pm

2 stops20h 06m

Rio de Janeiro–Galeão Intl

Sun 9/7

4:55 pm-12:16 pm

2 stops20h 21m

$667

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 10/9

5:00 pm-1:40 pm

2 stops19h 40m

Rio de Janeiro Santos Dumont

Sun 10/19

10:15 am-7:35 am

2 stops22h 20m

$672

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 8/21

9:00 am-8:40 am

2 stops22h 40m

Rio de Janeiro Santos Dumont

Thu 9/4

10:35 am-2:55 pm

3 stops29h 20m

$675

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 9/8

12:15 pm-2:20 pm

2 stops25h 05m

Rio de Janeiro Santos Dumont

Wed 9/17

7:55 am-9:30 am

2 stops26h 35m

$743

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 10/29

5:30 am-9:35 am

2 stops27h 05m

$316

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Fri 10/31

9:55 am-11:40 pm

1 stop12h 45m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 21 results

Best time to book a flight from Boston to Rio de Janeiro

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro from Boston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Rio de Janeiro

How far ahead should I book a flight from Boston to Rio de Janeiro?

The best time to book flights from Boston to Rio de Janeiro is 14 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Rio de Janeiro?

Currently, November is the cheapest month in which you can book a flight from Boston to Rio de Janeiro (average of $755). Flying from Boston to Rio de Janeiro in December is currently the most expensive (average of $1,290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to RIO?

One of the essential ways to save on airfare from Boston to Rio de Janeiro is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 11% on airfare.

What is the cheapest day to fly from Boston to Rio de Janeiro?

Travelers seeking maximum savings on their Boston to Rio de Janeiro flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Boston to Rio de Janeiro?

Reviews of airlines servicing Rio de Janeiro

Read reviews from past customers who have flown Azul, Delta, and LATAM Airlines from Boston to Rio de Janeiro. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Azul

8.0

Very good

790 reviews

Reviews

1 / 14

2.0

Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Azul

8.0

Very good

790 reviews

Azul

8.0

Very good

790 reviews

Reviews

1 / 14

2.0

Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Delta

8.0

Very good

7,982 reviews

Azul

8.0

Very good

790 reviews

Reviews

1 / 14

2.0

Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

LATAM Airlines

7.5

Good

1,805 reviews

Azul

8.0

Very good

790 reviews

Reviews

1 / 14

2.0

Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Copa Airlines

7.5

Good

1,467 reviews

Azul

8.0

Very good

790 reviews

Reviews

1 / 14

2.0

Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

United Airlines

7.4

Good

8,861 reviews

Azul

8.0

Very good

790 reviews

Reviews

1 / 14

2.0

Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Related info for your journey

What airport do you fly from for flights from Boston to Rio de Janeiro?
Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Rio de Janeiro from Boston. Booking flights from Logan Intl (BOS) to Rio de Janeiro should be relatively easy as there are 0 daily outbound flights to Rio de Janeiro from 7 different airlines.
What are the cheapest airlines flying from Boston to Rio de Janeiro round-trip?
LATAM Airlines, at $663, was found to be the cheapest airline from Boston to Rio de Janeiro.Alternate airlines to your destination round-trip include Avianca and Copa Airlines. Users have found that LATAM Airlines is 23% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Boston to Rio de Janeiro one-way?
The cheapest airlines for a one-way flight from Boston to Rio de Janeiro are United Airlines ($316), Delta ($317), and American Airlines ($318).
Where are the most common layover locations when flying from Boston to Rio de Janeiro?
Most of the time, Boston to Rio de Janeiro flights that have layovers will stop in Miami. Sao Paulo sees the next most layovers on Boston to Rio de Janeiro flights.
What are some popular things to do or see while on a layover in Miami?
Most Miami visitors opt to spend their time experiencing Wynwood Art District, Bayfront Park, and Bayside Marketplace. Wynwood Art District, Bayfront Park, and Bayside Marketplace can be accessed by traveling approximately 5.5 mi, 6.4 mi, and 6.4 mi, respectively from Miami. Those looking to explore during their layover in Miami can rent a car from Miami for about $22 per day.
What are some popular points of interest to see during a layover in Sao Paulo?
Memorial da América Latina, Vibra São Paulo, and Museu de Arte de São Paulo are currently the most popular points of interest in Sao Paulo at the moment. Memorial da América Latina, Vibra São Paulo, and Museu de Arte de São Paulo can be accessed by traveling approximately 13.4 mi, 21.4 mi, and 14.3 mi, respectively from Sao Paulo Guarulhos Intl. Travelers can rent a car at Sao Paulo Guarulhos Intl for an average daily rate of $38 to make sightseeing during their layover a little easier.
Where are the least popular layover locations for Boston to Rio de Janeiro flights?
Boston to Rio de Janeiro flights have a layover in New York the least frequently.
Can I find deals for flights from Boston to Rio de Janeiro that include hotel bookings?
Yes. In addition to deals on Boston to Rio de Janeiro flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Rio de Janeiro?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Rio de Janeiro.
Can I find deals for business class flights from Boston to Rio de Janeiro?
Yes. Cheapflights offers flight deals from Boston to Rio de Janeiro by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Boston to Rio de Janeiro?
Currently, November is the cheapest month in which you can book a flight from Boston to Rio de Janeiro (average of $755). Flying from Boston to Rio de Janeiro in December is currently the most expensive (average of $1,290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Boston to Rio de Janeiro

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$485	Average$683	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$514	Average$884	FlexibilityNo cancel fee	On-timeN/A
Avianca	Cheapest$565	Average$687	FlexibilityNo cancel fee	On-time71%
American Airlines	Cheapest$610	Average$893	FlexibilityNo cancel fee	On-time71%
LATAM Airlines	Cheapest$634	Average$860	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$637	Average$849	FlexibilityNo cancel fee	On-time69%
GOL	Cheapest$704	Average$847	FlexibilityNo cancel fee	On-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$316+ Cheap flights from Boston (BOS) to Rio de Janeiro, Brazil (RIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Rio de Janeiro with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Boston Logan Intl to Rio de Janeiro are usually found in September or January, booked 35 days in advance, depart on a Wednesday or Sunday and return on a Monday

Cheap flight deals from Boston to Rio de Janeiro

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Boston to Rio de Janeiro

Cheapest flights from Boston to Rio de JaneiroExplore the most affordable flight options available from Boston to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Boston to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Rio de Janeiro that are best for you.

Best time to book a flight from Boston to Rio de Janeiro

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro from Boston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Boston to Rio de Janeiro

How far ahead should I book a flight from Boston to Rio de Janeiro?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Rio de Janeiro. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Boston to Rio de Janeiro?

What is the cheapest time of day to fly from BOS to RIO?

Find hourly flight availability from Boston to Rio de Janeiro. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

What is the cheapest day to fly from Boston to Rio de Janeiro?

Use this chart to determine the cheapest time to fly round-trip from Boston to Rio de Janeiro. Price data was last updated on December 16, 2024.

How much does it cost to fly round-trip from Boston to Rio de Janeiro?

Reviews of airlines servicing Rio de Janeiro

Read reviews from past customers who have flown Azul, Delta, and LATAM Airlines from Boston to Rio de Janeiro. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boston to Rio de Janeiro. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Boston to Rio de Janeiro?

What are the cheapest airlines flying from Boston to Rio de Janeiro round-trip?

What are the cheapest airlines to fly from Boston to Rio de Janeiro one-way?

Where are the most common layover locations when flying from Boston to Rio de Janeiro?

What are some popular things to do or see while on a layover in Miami?

What are some popular points of interest to see during a layover in Sao Paulo?

Where are the least popular layover locations for Boston to Rio de Janeiro flights?

Can I find deals for flights from Boston to Rio de Janeiro that include hotel bookings?

How can I find direct flights from Boston to Rio de Janeiro?

Can I find deals for business class flights from Boston to Rio de Janeiro?

What is the cheapest month to book a flight from Boston to Rio de Janeiro?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Rio de Janeiro

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Boston to Rio de Janeiro

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Boston to Rio de Janeiro
Explore the most affordable flight options available from Boston to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.