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Rio de Janeiro

$296+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — RIO
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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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

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Cheapflights Tip: The best prices from Boston Logan Intl to Rio de Janeiro are usually found in October or September, booked 63 days in advance, depart on a Wednesday or Sunday and return on a Monday

Cheap 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 December 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:05 amBOS - GIG
1 stop22h 15mLATAM Airlines
Tue 12/305:40 pmGIG - BOS
2 stops22h 12mLATAM Airlines
Deal found 12/21$828
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:20 amBOS - GIG
2 stops50h 15mUnited Airlines
Tue 12/309:55 pmGIG - BOS
2 stops38h 42mUnited Airlines
Deal found 12/21$899
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:30 amBOS - GIG
2 stops46h 05mUnited Airlines
Mon 12/299:55 pmGIG - BOS
1 stop23h 42mUnited Airlines
Deal found 12/21$920
This SmartFares deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:54 pmBOS - GIG
3 stops42h 36mLATAM Airlines
Sun 12/2810:55 pmGIG - BOS
1 stop14h 17mLATAM Airlines
Deal found 12/22$947
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:46 pmBOS - GIG
1 stop38h 49mUnited Airlines
Thu 1/159:55 pmGIG - BOS
1 stop22h 06mUnited Airlines
Deal found 12/21$955
This Kiwi.com deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:34 amBOS - GIG
1 stop14h 56mCopa Airlines
Sun 12/289:55 amGIG - BOS
1 stop29h 29mCopa Airlines
Deal found 12/21$976
This KAYAK deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:45 pmBOS - GIG
1 stop16h 35mLATAM Airlines
Sun 12/2811:10 amGIG - BOS
2 stops21h 25mLATAM Airlines
Deal found 12/21$1,000
This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:56 pmBOS - GIG
1 stop12h 19mAmerican Airlines
Mon 12/2910:30 pmGIG - BOS
1 stop18h 39mAmerican Airlines
Deal found 12/21$1,012
This oojo deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:41 pmBOS - SDU
2 stops18h 29mMultiple Airlines
Sat 1/106:10 amSDU - BOS
2 stops28h 48mMultiple Airlines
Deal found 12/22$1,451
This FlightHub deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:55 amBOS - SDU
1 stop20h 20mLATAM Airlines
Thu 1/16:45 amSDU - BOS
1 stop25h 50mLATAM Airlines
Deal found 12/20$1,455
This Expedia deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:55 amBOS - SDU
1 stop22h 40mLATAM Airlines
Sun 12/282:00 pmSDU - BOS
1 stop18h 35mLATAM Airlines
Deal found 12/22$1,546
This oojo deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:04 pmBOS - SDU
2 stops36h 06mMultiple Airlines
Mon 12/296:50 pmSDU - BOS
2 stops28h 58mMultiple Airlines
Deal found 12/21$1,630

Find flight deals from Boston to Rio de Janeiro

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Rio de Janeiro (RIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$571
(Kiwi.com)

One-way from

$296
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,119
Provider with most accurate pricing for Boston Logan Intl-Rio de Janeiro (RIO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Rio de Janeiro (RIO) flights.
Search Deals
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 ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Rio de Janeiro that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Boston to Rio de Janeiro that are best for you.

Fly from

Boston

Fly to

Rio de Janeiro

Route

Depart

Return

Price

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 3/11

4:05 pm-8:00 am

1 stop14h 55m

Rio de Janeiro–Galeão Intl

Mon 3/23

5:10 am-11:10 pm

1 stop19h 00m

$580

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 3/4

7:44 am-4:05 am

1 stop18h 21m

Rio de Janeiro–Galeão Intl

Mon 3/9

1:40 am-11:10 pm

1 stop22h 30m

$580

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 3/25

8:44 am-12:30 am

1 stop14h 46m

Rio de Janeiro–Galeão Intl

Mon 4/27

1:35 am-11:09 pm

1 stop22h 34m

$580

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 3/5

3:05 pm-8:00 am

1 stop14h 55m

Rio de Janeiro–Galeão Intl

Fri 3/13

5:10 am-11:10 pm

1 stop19h 00m

$600

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Tue 5/5

3:40 pm-8:05 pm

2 stops27h 25m

Rio de Janeiro–Galeão Intl

Sun 5/17

8:50 pm-6:07 pm

2 stops46h 17m

$624

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Fri 3/6

3:35 pm-7:10 pm

2 stops25h 35m

Rio de Janeiro–Galeão Intl

Sun 3/15

8:00 pm-7:12 pm

2 stops24h 12m

$626

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Mon 3/9

1:55 pm-9:15 am

1 stop18h 20m

Rio de Janeiro–Galeão Intl

Thu 3/19

2:00 pm-7:35 am

1 stop18h 35m

$628

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 3/2

8:55 am-9:25 am

1 stop22h 30m

Rio de Janeiro Santos Dumont

Tue 3/31

5:10 pm-7:35 am

1 stop15h 25m

$628

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Tue 1/20

1:30 pm-8:20 am

1 stop16h 50m

Rio de Janeiro–Galeão Intl

Sat 2/7

5:40 pm-12:15 pm

2 stops20h 35m

$632

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Mon 3/2

5:05 pm-10:15 am

1 stop15h 10m

Rio de Janeiro–Galeão Intl

Tue 3/31

12:10 pm-7:35 am

1 stop20h 25m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 41 results
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Compare providers for flights from Boston to Rio de Janeiro

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Rio de Janeiro in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Rio de Janeiro flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Boston-Rio de Janeiro flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Boston-Rio de Janeiro flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Rio de Janeiro flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Rio de Janeiro flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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 December 19, 2025.

The best time to book flights from Boston to Rio de Janeiro is 63 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, April is the cheapest month in which you can book a flight from Boston to Rio de Janeiro (average of $441). Flying from Boston to Rio de Janeiro in July is currently the most expensive (average of $737). 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?

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 December 23, 2025.

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 in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.

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.

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

What’s the top layover airport for flights from Boston to Rio de Janeiro?

Share of 1-stop round-trip flights from Boston to Rio de Janeiro chosen by Cheapflights users in the past 12 months, using the same layover each way.

Panama City (PTY) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Rio de Janeiro on Cheapflights.

What’s the cheapest layover airport for flights from Boston to Rio de Janeiro?

Average round-trip fare for 1-stop flights from Boston to Rio de Janeiro, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Panama City (PTY) is the most affordable 1-stop option, with an average round-trip price of $741.

What’s the fastest layover option from Boston to Rio de Janeiro?

Shortest average travel time for 1-stop one-way flights from Boston to Rio de Janeiro, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for 1-stop routes: 12h 35m.

Which airport typically offers the quickest layover for flights from Boston to Rio de Janeiro?

Average layover duration for 1-stop one-way flights from Boston to Rio de Janeiro, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Sao Paulo (GRU) offer the fastest connection on this route, with an average layover time of 1h 58m.

Reviews of airlines servicing Rio de Janeiro

Get insights into the airlines that provide service to Rio de Janeiro. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rio de Janeiro. Reviews last updated December 23, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines, 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.
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,014 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.6
Good
1,558 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,894 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
GOL
7.3
Good
1,132 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,053 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    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.

  • How long is the flight from Boston to Rio de Janeiro?

    There are many flights that can get you from Boston to Rio de Janeiro in 14h 55m. Fly via Copa Airlines or LATAM Airlines to get the fastest option. There are 4835 mi between Boston and Rio de Janeiro. This flight may include one or multiple stops.

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

    Copa Airlines, at $487, was found to be the cheapest airline from Boston to Rio de Janeiro.Alternate airlines to your destination round-trip include United Airlines and Avianca. Users have found that Copa Airlines is 42% 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 Copa Airlines ($249), American Airlines ($298), and GOL ($311).

  • 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, April is the cheapest month in which you can book a flight from Boston to Rio de Janeiro (average of $441). Flying from Boston to Rio de Janeiro in July is currently the most expensive (average of $737). 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

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Alternative routes for Boston to Rio de Janeiro

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Rio de Janeiro–Galeão Intl flights
Boston to Santos Dumont flights
Hartford to Rio de Janeiro–Galeão Intl flights

Top 7 airlines flying from Boston to Rio de Janeiro

Discover the top 7 airlines that operate flights from Boston to Rio de Janeiro. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$533Average$689FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$542Average$909FlexibilityNo cancel feeOn-time69%
AviancaCheapest$565Average$634FlexibilityNo cancel feeOn-time71%
DeltaCheapest$637Average$865FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$637Average$939FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$664Average$826FlexibilityNo cancel feeOn-time81%
GOLCheapest$667Average$935FlexibilityNo cancel feeOn-time74%

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