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Rio de Janeiro

$283+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — RIO
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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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 78 days in advance, depart on a Wednesday or Sunday and return on a Monday

Cheap 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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$569
(Mytrip)

One-way from

$283
(Copa Airlines)

Popular in

December

Cheapest in

October

Average price

$659
Provider with most accurate pricing for Boston Logan Intl-Rio de Janeiro (RIO) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Rio de Janeiro (RIO) flights.
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From Boston Logan Intl to Rio de Janeiro (RIO)
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One-way flight from Boston Logan Intl to Rio de Janeiro (RIO)
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Highest demand for flights based on searches. 10% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 23, 2025.

This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:55 amBOS - GIG
1 stop20h 30mMultiple Airlines
Sun 11/168:45 amGIG - BOS
2 stops23h 50mMultiple Airlines
Deal found 10/21$580
This Copa Airlines deal was found by Cheapflights users on 10/21. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:34 amBOS - GIG
1 stop18h 26mCopa Airlines
Tue 11/251:30 amGIG - BOS
1 stop22h 33mCopa Airlines
Deal found 10/21$584
This Gotogate deal was found by Cheapflights users on 10/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:41 amBOS - GIG
1 stop14h 44mMultiple Airlines
Wed 11/56:00 amGIG - BOS
2 stops26h 35mMultiple Airlines
Deal found 10/22$585
This Travelocity deal was found by Cheapflights users on 10/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:55 amBOS - GIG
1 stop14h 45mMultiple Airlines
Fri 11/79:30 pmGIG - BOS
1 stop18h 40mMultiple Airlines
Deal found 10/20$598
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Tue 10/213:49 pmBOS - GIG
1 stop15h 11mMultiple Airlines
Sun 11/96:40 pmGIG - BOS
1 stop13h 55mMultiple Airlines
Deal found 10/21$603
This Copa Airlines deal was found by Cheapflights users on 10/21. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:44 pmBOS - GIG
1 stop15h 16mCopa Airlines
Fri 11/79:55 amGIG - BOS
1 stop14h 08mCopa Airlines
Deal found 10/21$604
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:34 amBOS - GIG
1 stop14h 56mCopa Airlines
Mon 11/245:10 amGIG - BOS
1 stop34h 14mCopa Airlines
Deal found 10/22$617
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 12/18:55 amBOS - SDU
1 stop20h 40mMultiple Airlines
Wed 12/101:45 pmSDU - BOS
1 stop18h 50mMultiple Airlines
Deal found 10/21$689
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 12/18:55 amBOS - SDU
1 stop20h 40mMultiple Airlines
Thu 12/111:45 pmSDU - BOS
2 stops22h 25mMultiple Airlines
Deal found 10/21$695
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:36 pmBOS - SDU
3 stops30h 14mMultiple Airlines
Wed 11/269:20 pmSDU - BOS
2 stops35h 15mMultiple Airlines
Deal found 10/22$701
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 11/175:05 pmBOS - SDU
2 stops21h 40mMultiple Airlines
Thu 11/271:45 pmSDU - BOS
1 stop18h 50mMultiple Airlines
Deal found 10/21$702
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:55 amBOS - SDU
1 stop22h 30mDelta
Wed 12/108:05 pmSDU - BOS
1 stop12h 30mDelta
Deal found 10/21$703

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 October 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

Sun 11/9

2:44 pm-8:00 am

1 stop15h 16m

Rio de Janeiro–Galeão Intl

Mon 11/17

5:10 am-10:03 pm

1 stop18h 53m

$584

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 11/5

7:34 am-4:00 am

1 stop18h 26m

Rio de Janeiro–Galeão Intl

Wed 11/26

9:55 am-10:03 pm

1 stop14h 08m

$584

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Mon 12/1

2:44 pm-8:00 am

1 stop15h 16m

Rio de Janeiro–Galeão Intl

Sun 12/7

1:30 am-10:40 pm

1 stop23h 10m

$584

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Sun 11/9

7:34 am-8:00 am

1 stop22h 26m

Rio de Janeiro–Galeão Intl

Tue 11/11

1:30 am-10:03 pm

1 stop22h 33m

$604

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 11/19

7:34 am-8:00 am

1 stop22h 26m

Rio de Janeiro–Galeão Intl

Fri 11/28

5:10 am-10:03 pm

1 stop18h 53m

$604

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 12/3

7:34 am-4:00 am

1 stop18h 26m

Rio de Janeiro–Galeão Intl

Mon 2/9

10:10 am-10:03 pm

1 stop13h 53m

$644

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Sun 11/16

3:35 pm-4:20 pm

2 stops22h 45m

Rio de Janeiro–Galeão Intl

Wed 11/26

1:30 am-10:03 pm

1 stop22h 33m

$660

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Sun 11/16

3:35 pm-4:20 pm

2 stops22h 45m

Rio de Janeiro–Galeão Intl

Tue 11/25

6:55 pm-6:35 am

1 stop13h 40m

$661

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Sun 11/9

7:05 am-9:35 am

1 stop24h 30m

Rio de Janeiro–Galeão Intl

Wed 11/12

9:55 pm-3:22 pm

2 stops19h 27m

$661

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 12/4

8:55 am-9:25 am

1 stop22h 30m

Rio de Janeiro Santos Dumont

Wed 12/10

8:05 pm-6:35 am

1 stop12h 30m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 34 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*1 star
FlightnetworkPrice Accuracy3 starsTrust Score*1 star
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Rio de Janeiro flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 17, 2025.

The best time to book flights from Boston to Rio de Janeiro is 78 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 $447). 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 October 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.

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

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.

New York (JFK) – 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 New York (JFK) have the shortest average one-way travel time for 1-stop routes: 12h 11m.

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 New York (JFK) offer the fastest connection on this route, with an average layover time of 1h 38m.

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 October 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
7,981 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,981 reviews
Delta
7.9
Good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Copa Airlines
7.6
Good
1,558 reviews
Delta
7.9
Good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
LATAM Airlines
7.5
Good
1,870 reviews
Delta
7.9
Good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
GOL
7.3
Good
1,117 reviews
Delta
7.9
Good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,028 reviews
Delta
7.9
Good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 15h 16m. Fly via Copa Airlines, Delta, 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 $493, 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 43% cheaper than the other options available to this destination.

  • 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 $447). 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

Browse thousands of different options on Cheapflights for your next trip

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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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$493Average$688FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$542Average$850FlexibilityNo cancel feeOn-time69%
AviancaCheapest$565Average$634FlexibilityNo cancel feeOn-time71%
DeltaCheapest$603Average$863FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$637Average$939FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$648Average$822FlexibilityNo cancel feeOn-time81%
GOLCheapest$747Average$847FlexibilityNo cancel feeOn-time74%

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