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$275+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GRU
Dec 16 — Dec 231
Tue 12/16
Tue 12/23
1 adult, Economy
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Find 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 November 16, 2025.

This Delta deal was found by Cheapflights users on 11/14. 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 11/273:35 pmBOS - GRU
1 stop16h 00mDelta
Thu 12/410:40 pmGRU - BOS
Nonstop9h 55mDelta
Deal found 11/14$520
This United Airlines deal was found by Cheapflights users on 11/14. 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.
Fri 11/285:30 amBOS - GRU
1 stop26h 50mUnited Airlines
Fri 12/59:45 pmGRU - BOS
1 stop15h 05mUnited Airlines
Deal found 11/14$521
This LATAM Airlines deal was found by Cheapflights users on 11/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:55 amBOS - GRU
Nonstop10h 00mLATAM Airlines
Fri 12/59:00 pmGRU - BOS
1 stop16h 12mLATAM Airlines
Deal found 11/14$525
This KAYAK deal was found by Cheapflights users on 11/14. 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.
Fri 11/218:55 amBOS - GRU
Nonstop10h 00mLATAM Airlines
Fri 12/59:15 pmGRU - BOS
1 stop14h 55mLATAM Airlines
Deal found 11/14$526
This Delta deal was found by Cheapflights users on 11/15. 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.
Sun 12/79:15 amBOS - GRU
1 stop18h 25mDelta
Tue 5/58:30 pmGRU - BOS
1 stop15h 53mDelta
Deal found 11/15$530
This Delta deal was found by Cheapflights users on 11/14. 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.
Sat 11/298:15 amBOS - GRU
1 stop19h 25mDelta
Fri 12/59:15 pmGRU - BOS
1 stop14h 55mDelta
Deal found 11/14$531
This KAYAK deal was found by Cheapflights users on 11/15. 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 12/105:40 amBOS - GRU
2 stops23h 15mLATAM Airlines
Mon 5/410:35 amGRU - BOS
1 stop13h 50mLATAM Airlines
Deal found 11/15$535
This United Airlines deal was found by Cheapflights users on 11/14. 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.
Fri 11/285:30 amBOS - GRU
1 stop26h 50mUnited Airlines
Thu 12/49:45 pmGRU - BOS
1 stop15h 04mUnited Airlines
Deal found 11/14$537
This American Airlines deal was found by Cheapflights users on 11/15. 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.
Fri 11/288:37 amBOS - GRU
1 stop21h 33mAmerican Airlines
Wed 12/312:15 amGRU - BOS
1 stop19h 06mAmerican Airlines
Deal found 11/15$541
This American Airlines deal was found by Cheapflights users on 11/14. 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.
Thu 11/276:30 amBOS - GRU
1 stop23h 40mAmerican Airlines
Wed 12/312:15 amGRU - BOS
1 stop19h 06mAmerican Airlines
Deal found 11/14$542
This American Airlines deal was found by Cheapflights users on 11/15. 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.
Fri 11/288:37 amBOS - GRU
1 stop21h 33mAmerican Airlines
Fri 12/510:35 pmGRU - BOS
2 stops16h 30mAmerican Airlines
Deal found 11/15$546
This United Airlines deal was found by Cheapflights users on 11/16. 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.
Mon 11/245:17 pmBOS - CNF
2 stops43h 48mUnited Airlines
Thu 12/45:25 pmCNF - BOS
2 stops23h 04mUnited Airlines
Deal found 11/16$552

Cheap flight deals from Boston to Brazil

Keep the following information in mind while searching for Boston to Brazil flight deals. Data was last updated November 16, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$520
(Delta)

One-way from

$275
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$599

Good round-trip deal

$587 or less

Good one-way deal

$365 or less
Provider with most accurate pricing for Boston Logan Intl-Sao Paulo (SAO) flight deals.
Search Deals
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 November 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 November 16, 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

Tue 1/27

10:05 am-9:55 am

1 stop21h 50m

Sao Paulo Guarulhos Intl

Wed 2/4

10:40 pm-6:35 am

Nonstop9h 55m

$520

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 11/27

3:35 pm-9:35 am

1 stop16h 00m

Sao Paulo Guarulhos Intl

Thu 12/4

10:40 pm-6:35 am

Nonstop9h 55m

$520

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 4/1

10:44 am-9:30 am

1 stop21h 46m

Sao Paulo Guarulhos Intl

Sun 5/10

10:20 pm-9:24 am

1 stop36h 04m

$521

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 3/23

9:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Mon 3/30

8:30 pm-11:21 am

1 stop15h 51m

$526

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 12/4

7:59 pm-8:00 pm

1 stop22h 01m

Sao Paulo Guarulhos Intl

Sun 12/7

7:30 am-1:27 am

2 stops19h 57m

$530

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 12/8

6:45 am-5:40 am

1 stop20h 55m

Sao Paulo Guarulhos Intl

Fri 3/6

11:45 pm-2:15 pm

1 stop16h 30m

$530

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 3/23

3:05 pm-5:40 am

1 stop13h 35m

Sao Paulo Guarulhos Intl

Wed 4/1

8:30 pm-11:21 am

1 stop15h 51m

$530

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 12/1

4:00 pm-9:55 am

1 stop15h 55m

Sao Paulo Guarulhos Intl

Sat 12/13

12:55 pm-10:20 am

1 stop23h 25m

$531

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sat 11/29

10:00 am-9:55 am

1 stop21h 55m

Sao Paulo Guarulhos Intl

Sat 12/13

12:55 pm-10:20 am

1 stop23h 25m

$531

BostonCuritiba

BOS - CWB

BOSCWB

Boston Logan Intl

Fri 5/15

5:15 am-11:00 am

2 stops28h 45m

Curitiba Afonso Pena

Sun 5/31

2:35 pm-1:09 am

2 stops35h 34m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

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 $160). Flying from Boston to Brazil in July is currently the most expensive (average of $523). 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 November 16, 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 November 16, 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
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

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
1,565 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

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
1,877 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

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
1,129 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

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
11,051 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

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 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 14h 51m. Fly via Delta, United Airlines, or Copa Airlines to get the fastest option. Airlines will cover a distance of 4615 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 Copa Airlines, with whom users have recently found tickets for as low as $283. However, be on the lookout for offers from Delta and United Airlines, 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 - Sao Paulo Viracopos or Boston Logan Intl - Sao Paulo Congonhas, 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 (50%), LATAM Airlines (50%) or Delta (50%) 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 $1,695, our data indicates the cheapest price to be $270. The most popular route (Boston Logan Intl - Sao Paulo Guarulhos Intl), is priced around $516.

  • 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 $160). Flying from Boston to Brazil in July is currently the most expensive (average of $523). 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 November 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$314Average$584FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$334Average$783FlexibilityNo cancel feeOn-time69%
GOLCheapest$340Average$807FlexibilityNo cancel feeOn-time74%
Copa AirlinesCheapest$413Average$713FlexibilityNo cancel feeOn-time70%
DeltaCheapest$450Average$854FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$479Average$844FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$501Average$847FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$590Average$728FlexibilityNo cancel feeOn-time67%
AzulCheapest$619Average$1,249FlexibilityNo cancel feeOn-time82%

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