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$283+ Cheap flights from Boston (BOS) to Brazil

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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GRU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Boston to Brazil

Cheapest flights from Boston to Brazil
Explore the most affordable flight options available from Boston to Brazil. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/1812:20 pmBOS - GRU
1 stop16h 55mUnited Airlines
Thu 12/259:45 pmGRU - BOS
2 stops18h 35mUnited Airlines
Deal found 12/17$563
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/171:30 pmBOS - GRU
1 stop18h 00mUnited Airlines
Wed 12/2410:15 pmGRU - BOS
2 stops18h 05mUnited Airlines
Deal found 12/17$568
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/219:30 amBOS - CWB
2 stops30h 55mUnited Airlines
Thu 1/13:10 pmCWB - BOS
3 stops25h 10mUnited Airlines
Deal found 12/16$578
This Copa Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/182:44 pmBOS - GRU
1 stop13h 46mCopa Airlines
Thu 1/221:40 amGRU - BOS
1 stop13h 59mCopa Airlines
Deal found 12/16$604
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/163:32 pmBOS - GRU
1 stop15h 58mUnited Airlines
Wed 12/2410:25 pmGRU - BOS
1 stop17h 55mUnited Airlines
Deal found 12/16$605
This Copa Airlines deal was found by Cheapflights users on 12/16. 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 12/247:34 amBOS - GRU
1 stop14h 41mCopa Airlines
Tue 1/205:25 amGRU - BOS
1 stop18h 38mCopa Airlines
Deal found 12/16$606
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/186:01 amBOS - GRU
1 stop23h 14mUnited Airlines
Fri 1/2310:25 pmGRU - BOS
2 stops25h 32mUnited Airlines
Deal found 12/17$631
This Copa Airlines deal was found by Cheapflights users on 12/16. 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 12/237:34 amBOS - GRU
1 stop14h 36mCopa Airlines
Thu 1/291:40 amGRU - BOS
1 stop22h 23mCopa Airlines
Deal found 12/16$645
This Copa Airlines deal was found by Cheapflights users on 12/16. 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 12/247:34 amBOS - GRU
1 stop20h 56mCopa Airlines
Wed 1/145:25 amGRU - BOS
1 stop18h 38mCopa Airlines
Deal found 12/16$660
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/236:23 pmBOS - GRU
1 stop34h 52mUnited Airlines
Fri 1/309:45 pmGRU - BOS
1 stop18h 15mUnited Airlines
Deal found 12/17$673
This Copa Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/182:44 pmBOS - GIG
1 stop15h 16mCopa Airlines
Thu 12/259:55 amGIG - BOS
1 stop14h 45mCopa Airlines
Deal found 12/16$684
This Copa Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/182:44 pmBOS - GIG
1 stop15h 16mCopa Airlines
Tue 12/239:55 amGIG - BOS
1 stop14h 45mCopa Airlines
Deal found 12/16$704

Find flight deals from Boston to Brazil

Keep the following information in mind while searching for Boston to Brazil flight deals. Data was last updated December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$512
(Copa Airlines)

One-way from

$283
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$1,118

Good round-trip deal

$688 or less

Good one-way deal

$363 or less
Provider with most accurate pricing for Boston Logan Intl-Sao Paulo (SAO) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Sao Paulo (SAO) flights.
Search Deals
From Boston Logan Intl to Brazil
Search Deals
One-way flight from Boston Logan Intl to Brazil
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Brazil.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Brazil.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Brazil 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 18, 2025.
Use the filters below to find and compare flights from Boston to Brazil that are best for you.

Fly from

Boston

Fly to

Brazil

Route

Depart

Return

Price

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 1/12

7:31 am-12:10 am

1 stop14h 39m

Sao Paulo Guarulhos Intl

Mon 3/23

5:25 am-11:10 pm

1 stop18h 45m

$538

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 1/9

7:31 am-12:15 am

1 stop14h 44m

Sao Paulo Guarulhos Intl

Sun 2/8

3:10 am-10:03 pm

1 stop20h 53m

$538

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 4/1

9:55 am-8:40 pm

Nonstop9h 45m

Sao Paulo Guarulhos Intl

Tue 4/7

10:45 pm-7:35 am

Nonstop9h 50m

$551

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 4/2

9:55 am-8:40 pm

Nonstop9h 45m

Sao Paulo Guarulhos Intl

Thu 4/9

10:45 pm-7:35 am

Nonstop9h 50m

$551

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 1/13

7:31 am-12:10 am

1 stop14h 39m

Sao Paulo Guarulhos Intl

Sun 2/1

5:25 am-10:03 pm

1 stop18h 38m

$558

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 1/26

6:00 am-7:15 am

1 stop23h 15m

Sao Paulo Guarulhos Intl

Wed 2/4

9:45 pm-5:19 pm

1 stop21h 34m

$565

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 1/21

10:30 am-7:15 am

2 stops18h 45m

Sao Paulo Guarulhos Intl

Tue 2/17

9:45 pm-3:12 pm

2 stops19h 27m

$570

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sat 1/31

7:22 pm-9:30 am

2 stops36h 08m

Sao Paulo Guarulhos Intl

Sat 2/7

9:45 pm-10:52 am

1 stop15h 07m

$570

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 1/28

9:30 am-8:55 am

2 stops21h 25m

Sao Paulo Guarulhos Intl

Thu 3/5

9:45 pm-5:19 pm

2 stops21h 34m

$570

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 3/1

7:45 am-7:15 am

1 stop21h 30m

Sao Paulo Guarulhos Intl

Sat 3/7

10:15 pm-11:35 pm

1 stop27h 20m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Brazil

Have a flexible travel schedule? Discover the best time to fly to Brazil 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 Brazil

What is the cheapest month to book a flight from Boston to Brazil?

Currently, December is the cheapest month in which you can book a flight from Boston to Brazil (average of $162). Flying from Boston to Brazil in July is currently the most expensive (average of $535). 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 BR?

Find hourly flight availability from Boston to Brazil. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from Boston to Brazil in the evening. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Boston to Brazil?

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

Travelers seeking maximum savings on their Boston to Brazil flight should consider departing on Sunday mornings 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.

Reviews of airlines servicing Brazil

Get insights into the airlines that provide service to Brazil. 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 Brazil. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with Delta, Copa Airlines, and LATAM Airlines from Boston to Brazil by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
1,556 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
1,893 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
1,131 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
11,054 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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 Brazil. 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 Brazil?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Brazil. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How long is the flight from Boston to Brazil?

    There are many flights that can get you from Boston to Brazil in 9h 45m. Fly via Copa Airlines, Delta, or United Airlines to get the fastest option. Airlines will cover a distance of 4805 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boston to Brazil one-way?

    The cheapest airline one-way is GOL, with whom users have recently found tickets for as low as $161. However, be on the lookout for offers from Avianca and Azul, as they are both options that can get you from Boston to Brazil for a low price.

  • What are the most popular routes from Boston to Brazil?

    While some choose either Boston Logan Intl - Belo Horizonte Tancredo Neves Intl or Boston Logan Intl - Rio de Janeiro–Galeão Intl, Boston Logan Intl - Sao Paulo Guarulhos Intl is the most popular route from Boston to Brazil.

  • What are the most reliable airlines from Boston to Brazil?

    No one likes to see their flight delayed. When booking a flight from Boston to Brazil consider choosing LATAM Airlines Brasil (54%), LATAM Airlines (54%) or Delta (54%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Brazil?

    Looking for the cheapest flight from Boston to Brazil? While on average our users pay $1,707, our data indicates the cheapest price to be $281. The most popular route (Boston Logan Intl - Sao Paulo Guarulhos Intl), is priced around $436.

  • Can I find deals for flights from Boston to Brazil that include hotel bookings?

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

  • How can I find direct flights from Boston to Brazil?

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

  • Can I find deals for business class flights from Boston to Brazil?

    Yes. Cheapflights offers flight deals from Boston to Brazil 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 Brazil?

    Currently, December is the cheapest month in which you can book a flight from Boston to Brazil (average of $162). Flying from Boston to Brazil in July is currently the most expensive (average of $535). 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 Brazil

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Boston to Brazil

Discover the top 9 airlines that operate flights from Boston to Brazil. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$314Average$584FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$334Average$819FlexibilityNo cancel feeOn-time69%
GOLCheapest$339Average$827FlexibilityNo cancel feeOn-time74%
Copa AirlinesCheapest$413Average$739FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$479Average$821FlexibilityNo cancel feeOn-time71%
DeltaCheapest$485Average$869FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$501Average$878FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$590Average$728FlexibilityNo cancel feeOn-time67%
AzulCheapest$619Average$1,086FlexibilityNo cancel feeOn-time82%

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