Sao Paulo

$343+ Cheap flights from Boston (BOS) to Sao Paulo, Brazil (SAO)

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 — SAO
Jul 30 — Aug 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Sao Paulo 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 Sao Paulo are usually found in November or March, booked 57 days in advance, depart on a Tuesday or Sunday and return on a Monday

Cheap flight deals from Boston to Sao Paulo

Cheapest flights from Boston to Sao Paulo
Explore the most affordable flight options available from Boston to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2026.

This oojo deal was found by Cheapflights users on 6/29. 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.
Sun 8/164:50 pm
BOS
-
GRU
2 stops35h 35m
Avianca
Thu 8/275:15 pm
GRU
-
BOS
2 stops22h 35m
Avianca
Deal found 6/29$539
This FlightHub deal was found by Cheapflights users on 6/25. 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.
Wed 9/164:50 pm
BOS
-
GRU
2 stops22h 15m
Avianca
Wed 9/307:35 am
GRU
-
BOS
2 stops56h 15m
Avianca
Deal found 6/25$542
This Justfly.com deal was found by Cheapflights users on 6/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:45 am
BOS
-
GRU
1 stop30h 20m
Avianca
Sat 8/297:35 am
GRU
-
BOS
2 stops32h 15m
Avianca
Deal found 6/29$543
This oojo deal was found by Cheapflights users on 6/28. 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.
Fri 12/43:25 pm
BOS
-
GRU
2 stops32h 10m
Avianca
Wed 12/165:25 pm
GRU
-
BOS
2 stops46h 25m
Avianca
Deal found 6/28$548
This Justfly.com deal was found by Cheapflights users on 6/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:50 pm
BOS
-
GRU
2 stops22h 15m
Avianca
Tue 9/85:15 pm
GRU
-
BOS
2 stops22h 35m
Avianca
Deal found 6/25$550
This Expedia deal was found by Cheapflights users on 6/26. 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.
Tue 11/177:55 am
BOS
-
GRU
1 stop36h 45m
Avianca
Thu 12/35:25 pm
GRU
-
BOS
2 stops22h 25m
Avianca
Deal found 6/26$551
This FlightHub deal was found by Cheapflights users on 6/26. 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.
Mon 11/303:25 pm
BOS
-
GRU
2 stops29h 15m
Avianca
Wed 12/167:35 am
GRU
-
BOS
2 stops56h 15m
Avianca
Deal found 6/26$552
This oojo deal was found by Cheapflights users on 6/26. 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.
Tue 7/78:45 am
BOS
-
GRU
1 stop15h 25m
Avianca
Wed 7/152:20 am
GRU
-
BOS
2 stops37h 30m
Avianca
Deal found 6/26$553
This Copa Airlines deal was found by Cheapflights users on 6/25. 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.
Sun 11/12:50 pm
BOS
-
GRU
1 stop13h 40m
Copa Airlines
Thu 11/124:45 am
GRU
-
BOS
1 stop19h 16m
Copa Airlines
Deal found 6/25$555
This KAYAK deal was found by Cheapflights users on 6/28. 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 9/165:45 am
BOS
-
GRU
1 stop26h 45m
Multiple Airlines
Mon 10/199:50 pm
GRU
-
BOS
1 stop15h 34m
Multiple Airlines
Deal found 6/28$558
This FlightHub deal was found by Cheapflights users on 6/27. 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.
Sun 11/153:25 pm
BOS
-
GRU
2 stops32h 10m
Avianca
Mon 11/307:35 am
GRU
-
BOS
2 stops56h 15m
Avianca
Deal found 6/27$559
This Avianca deal was found by Cheapflights users on 6/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:25 pm
BOS
-
GRU
2 stops29h 15m
Avianca
Fri 11/135:25 pm
GRU
-
BOS
1 stop15h 10m
Avianca
Deal found 6/28$560

Find flight deals from Boston to Sao Paulo

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sao Paulo (SAO). 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 June 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$539
(oojo)

One-way from

$343
(CheapOair)

Popular in

December

Cheapest in

November

Average price

$669

Good round-trip deal

$703 or less

Good one-way deal

$490 or less
Provider with most accurate pricing for Boston Logan Intl-Sao Paulo (SAO) flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Sao Paulo (SAO) flights.
From Boston Logan Intl to Sao Paulo (SAO)
One-way flight from Boston Logan Intl to Sao Paulo (SAO)
Highest demand for flights based on searches. 4% potential increase in price ($34 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Boston Logan Intl to Sao Paulo (SAO).
Price to beat on a one-way flight from Boston Logan Intl to Sao Paulo (SAO).

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Sao Paulo 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 June 30, 2026.
Use the filters below to find and compare flights from Boston to Sao Paulo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 11/1

2:50 pm-6:30 am

1 stop13h 40m

Sao Paulo Guarulhos Intl

Thu 11/12

4:45 am-10:01 pm

1 stop19h 16m

$555

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 9/16

8:47 am-3:50 am

1 stop18h 03m

Sao Paulo Guarulhos Intl

Tue 9/29

2:00 am-11:02 pm

1 stop22h 02m

$575

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 11/6

7:41 am-12:25 am

1 stop14h 44m

Sao Paulo Guarulhos Intl

Fri 11/13

5:25 am-10:01 pm

1 stop18h 36m

$581

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 8/13

7:30 am-9:30 am

2 stops25h 00m

Sao Paulo Guarulhos Intl

Thu 8/20

10:20 pm-11:59 pm

2 stops26h 39m

$597

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 11/6

7:20 am-7:15 am

2 stops21h 55m

Sao Paulo Guarulhos Intl

Tue 11/10

10:25 pm-10:01 am

1 stop13h 36m

$597

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 7/15

9:25 am-9:30 am

1 stop23h 05m

Sao Paulo Guarulhos Intl

Wed 7/22

10:20 pm-11:21 pm

1 stop26h 01m

$600

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 7/22

3:57 pm-12:10 am

1 stop31h 13m

Sao Paulo Guarulhos Intl

Wed 7/29

11:10 am-2:34 pm

1 stop28h 24m

$639
Quickest round-trip

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 9/30

8:47 am-12:10 am

1 stop14h 23m

Sao Paulo Guarulhos Intl

Sat 10/10

2:00 am-2:39 pm

1 stop13h 39m

$684

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 8/11

12:41 pm-9:30 am

2 stops19h 49m

Sao Paulo Guarulhos Intl

Mon 8/24

10:20 pm-2:50 pm

2 stops17h 30m

$687

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Mon 11/9

8:01 am-10:55 pm

2 stops36h 54m

Sao Paulo Viracopos

Mon 11/16

7:40 pm-2:07 pm

2 stops20h 27m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Compare providers for flights from Boston to Sao Paulo

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 Sao Paulo in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice 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-Sao Paulo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Sao Paulo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Sao Paulo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Sao Paulo 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-Sao Paulo 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 Sao Paulo

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

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

Currently, February is the cheapest month in which you can book a flight from Boston to Sao Paulo (average of $222). Flying from Boston to Sao Paulo in December is currently the most expensive (average of $2,721). 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 SAO?

Find hourly flight availability from Boston to Sao Paulo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2026.

When flying from Boston to Sao Paulo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Boston to Sao Paulo?

What’s the top layover airport for flights from Boston to Sao Paulo?

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

Panama City (PTY) – chosen by Cheapflights users on 56% of 1-stop itineraries from Boston to Sao Paulo on Cheapflights.

What’s the cheapest layover airport for flights from Boston to Sao Paulo?

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

Bogotá (BOG) is the most affordable 1-stop option, with an average round-trip price of $515.

What’s the fastest layover option from Boston to Sao Paulo?

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

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 12h 36m.

Which airport typically offers the quickest layover for flights from Boston to Sao Paulo?

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

Flights via Panama City (PTY) offer the fastest connection on this route, with an average layover time of 1h 25m.

How far ahead should I book a flight from Boston to Sao Paulo?

To ensure you get the cheapest price possible for a flight from Boston to Sao Paulo, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Sao Paulo

Get insights into the airlines that provide service to Sao Paulo. 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 Sao Paulo. Reviews last updated June 30, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andLATAM Airlines from Boston to Sao Paulo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Related info for your journey

Find useful and relevant information for your journey from Boston to Sao Paulo. 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 Sao Paulo?

    For a flight from Boston to Sao Paulo, you will be flying from Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city. Logan Intl is the only Boston airport and it handles 1 outbound flight to Sao Paulo per day. 9 airlines have flights to Sao Paulo from Boston Logan Intl on a regular basis.

  • How long is the flight from Boston to Sao Paulo?

    Airlines like Copa Airlines, United Airlines, and GOL fly from Boston to Sao Paulo in about 13h 40m. The time it takes to get you to your destination can typically vary by up to 11h 20m. There are 4805 mi between Boston and Sao Paulo. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Sao Paulo round-trip?

    Flying on Copa Airlines is currently your cheapest option to Sao Paulo, with prices starting at $289. Additional round-trip tickets that might be worth considering are offered by Avianca and Delta, with the lowest prices starting at $304 and $435, respectively. Copa Airlines is priced at 60% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $228. Avianca flights start at $233 while deals on United Airlines start at $236 one-way.

  • What are the most popular routes from Boston to Sao Paulo?

  • What are the most reliable airlines from Boston to Sao Paulo?

    Consider Delta (71%), LATAM Airlines Brasil (67%) or LATAM Airlines (67%) when booking your flight. These represent the most reliable airlines when flying from Boston to Sao Paulo.

  • What are the cheapest flights from Boston to Sao Paulo?

    While on average a flight from Boston to Sao Paulo is generally $781, our data shows the cheapest flight currently is $378. When looking at the most popular route, (Boston Logan Intl - Sao Paulo Guarulhos Intl), you can expect to pay $472 for that flight.

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

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

  • How can I find direct flights from Boston to Sao Paulo?

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

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

    Yes. Cheapflights offers flight deals from Boston to Sao Paulo 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 Sao Paulo?

    Currently, February is the cheapest month in which you can book a flight from Boston to Sao Paulo (average of $222). Flying from Boston to Sao Paulo in December is currently the most expensive (average of $2,721). 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

Traveling to a place near Sao Paulo?

Book flights to Sao Paulo if you plan to visit one of these locations
Santos

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 Sao Paulo

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

Top 9 airlines flying from Boston to Sao Paulo

Discover the top 9 airlines that operate flights from Boston to Sao Paulo. 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 June 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$289Average$633FlexibilityNo cancel feeOn-time70%
AviancaCheapest$304Average$535FlexibilityNo cancel feeOn-time71%
DeltaCheapest$435Average$784FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$474Average$956FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$484Average$698FlexibilityNo cancel feeOn-time69%
GOLCheapest$486Average$645FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$499Average$849FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$590Average$726FlexibilityNo cancel feeOn-time67%
AzulCheapest$619Average$1,277FlexibilityNo cancel feeOn-time82%

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.