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Sao Paulo

$238+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Sao Paulo are usually found in October or September, booked 55 days in advance, depart on a Wednesday or Sunday and return on a Monday

Cheap 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 September 16, 2025.

Round-trip from

$507
(Flightnetwork)

One-way from

$238
(Avianca)

Popular in

December

Cheapest in

October

Average price

$577

Good round-trip deal

$830 or less

Good one-way deal

$449 or less
From Boston Logan Intl to Sao Paulo (SAO)
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One-way flight from Boston Logan Intl to Sao Paulo (SAO)
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Highest demand for flights based on searches. 10% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Sao Paulo (SAO).
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Price to beat on a one-way flight from Boston Logan Intl to Sao Paulo (SAO).
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Find 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 September 16, 2025.

This Flightnetwork deal was found by Cheapflights users on 9/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:55 amBOS - GRU
Nonstop9h 40mLATAM Airlines
Wed 10/810:45 pmGRU - BOS
Nonstop9h 50mLATAM Airlines
Deal found 9/15$507
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:41 amBOS - GRU
1 stop18h 09mCopa Airlines
Sun 10/193:10 amGRU - BOS
1 stop20h 43mCopa Airlines
Deal found 9/15$508
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:00 amBOS - GRU
1 stop16h 10mAvianca
Tue 9/301:45 amGRU - BOS
1 stop30h 30mAvianca
Deal found 9/16$509
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:55 amBOS - GRU
Nonstop9h 40mDelta
Thu 10/168:30 pmGRU - BOS
1 stop15h 39mDelta
Deal found 9/16$510
This CrystalTravel deal was found by Cheapflights users on 9/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:59 amBOS - GRU
1 stop21h 51mLATAM Airlines
Sun 9/2810:45 pmGRU - BOS
Nonstop9h 50mLATAM Airlines
Deal found 9/14$512
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:55 amBOS - GRU
1 stop19h 45mAvianca
Thu 11/132:40 amGRU - BOS
1 stop29h 55mAvianca
Deal found 9/14$513
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:50 pmBOS - GRU
2 stops32h 20mAvianca
Wed 10/295:25 pmGRU - BOS
1 stop15h 10mAvianca
Deal found 9/14$514
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 11/148:55 amBOS - GRU
Nonstop10h 00mDelta
Thu 12/410:40 pmGRU - BOS
Nonstop9h 55mDelta
Deal found 9/15$515
This GOL deal was found by Cheapflights users on 9/16. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:00 amBOS - GRU
1 stop19h 35mGOL
Mon 10/64:50 pmGRU - BOS
1 stop15h 25mGOL
Deal found 9/16$516
This Flightnetwork deal was found by Cheapflights users on 9/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:50 pmBOS - GRU
2 stops32h 20mAvianca
Wed 10/157:20 amGRU - BOS
1 stop24h 55mAvianca
Deal found 9/15$517
This Flightnetwork deal was found by Cheapflights users on 9/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:50 pmBOS - GRU
2 stops32h 20mAvianca
Mon 10/204:50 pmGRU - BOS
1 stop15h 25mAvianca
Deal found 9/14$518
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:45 pmBOS - GRU
1 stop13h 55mLATAM Airlines
Mon 11/2410:50 pmGRU - BOS
1 stop13h 30mLATAM Airlines
Deal found 9/14$519

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 September 16, 2025.
Use the filters below to find and compare flights from Boston to Sao Paulo that are best for you.

Fly from

Boston

Fly to

Sao Paulo

Route

Depart

Return

Price

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 9/30

3:00 pm-8:05 am

2 stops16h 05m

Sao Paulo Guarulhos Intl

Fri 10/10

10:45 pm-7:35 am

Nonstop9h 50m

$509

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 10/26

9:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Mon 10/27

9:00 pm-4:01 pm

1 stop20h 01m

$510

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 10/6

9:55 am-8:35 pm

Nonstop9h 40m

Sao Paulo Guarulhos Intl

Thu 10/16

8:30 pm-11:09 am

1 stop15h 39m

$510

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 9/22

9:55 am-8:35 pm

Nonstop9h 40m

Sao Paulo Guarulhos Intl

Wed 10/8

10:45 pm-7:35 am

Nonstop9h 50m

$515

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 11/17

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Thu 12/4

10:40 pm-6:35 am

Nonstop9h 55m

$515

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 11/10

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Tue 11/18

10:40 pm-6:35 am

Nonstop9h 55m

$515

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 11/13

1:40 pm-5:40 am

1 stop14h 00m

Sao Paulo Guarulhos Intl

Tue 11/18

10:40 pm-6:35 am

Nonstop9h 55m

$520

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 10/13

5:40 am-5:40 am

1 stop23h 00m

Sao Paulo Guarulhos Intl

Sun 11/2

10:40 pm-6:35 am

Nonstop9h 55m

$520

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 10/26

5:00 pm-9:55 am

1 stop15h 55m

Sao Paulo Guarulhos Intl

Wed 10/29

10:40 pm-7:35 am

Nonstop9h 55m

$520

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Mon 10/20

8:24 pm-5:45 pm

1 stop20h 21m

Sao Paulo Viracopos

Thu 10/30

10:45 pm-11:16 am

1 stop13h 31m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 53 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Sao Paulo. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Sao Paulo, you should look to book at least 54 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.

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

Currently, September is the cheapest month in which you can book a flight from Boston to Sao Paulo (average of $677). Flying from Boston to Sao Paulo in December is currently the most expensive (average of $1,209). 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 September 16, 2025.

One of the essential ways to save on airfare from Boston to Sao Paulo is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

What is the cheapest day to fly from Boston to Sao Paulo?

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

Travelers seeking maximum savings on their Boston to Sao Paulo flight should consider departing on Tuesday at noon 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 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 65% 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 Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 43m.

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 September 16, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines, and LATAM 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.
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.6
Good
1,531 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,847 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
GOL
7.3
Good
1,106 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Delta and GOL fly from Boston to Sao Paulo in about 16h 05m. The time it takes to get you to your destination can typically vary by up to 7h 56m. 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 Avianca is currently your cheapest option to Sao Paulo, with prices starting at $313. Additional round-trip tickets that might be worth considering are offered by GOL and Copa Airlines, with the lowest prices starting at $340 and $370, respectively. Avianca is priced at 55% 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 Avianca, which is currently one of the cheapest options available, starting at $238. GOL flights start at $248 while deals on LATAM Airlines start at $272 one-way.

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

    Most travelers choose Boston Logan Intl - Sao Paulo Guarulhos Intl, Boston Logan Intl - Sao Paulo Viracopos or Boston Logan Intl - Sao Paulo Congonhas when deciding on the best route from Boston to Sao Paulo.

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

    Consider LATAM Airlines Brasil (60%), LATAM Airlines (60%) or Delta (60%) 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 $1,767, our data shows the cheapest flight currently is $278. When looking at the most popular route, (Boston Logan Intl - Sao Paulo Guarulhos Intl), you can expect to pay $482 for that flight.

  • Where are the most common layover locations when flying from Boston to Sao Paulo?

    Flights departing from Boston and landing in Sao Paulo layover in Bogotá most frequently. Boston to Sao Paulo flights stop in Miami the next most.

  • What are some popular things to do or see while on a layover in Bogotá?

    Bogotá travelers tend to visit Museo del Oro, Museo Botero, and Jardín botánico de Bogotá more than anywhere else. Travelers on a layover in Bogotá can visit Museo del Oro, Museo Botero, and Jardín botánico de Bogotá, by traveling 8.6 mi, 8.9 mi, and 4.0 mi, respectively after landing at Bogotá El Dorado. Those on a layover in Bogotá in need of a rental car can book one at Bogotá El Dorado for about $50.

  • What are some popular points of interest to see during a layover in Miami?

    Wynwood Art District, Bayfront Park, and Kaseya Center are the most popular attractions in Miami if you're in need of something to do during your layover. Wynwood Art District, Bayfront Park, and Kaseya Center are located about 5.5 mi, 6.4 mi, and 6.2 mi, respectively from Miami. Those on a layover in Miami in need of a rental car can book one at Miami for about $24.

  • Where are the least popular layover locations for Boston to Sao Paulo flights?

    Boston to Sao Paulo flights that have layovers will least frequently stop in New York.

  • 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, September is the cheapest month in which you can book a flight from Boston to Sao Paulo (average of $677). Flying from Boston to Sao Paulo in December is currently the most expensive (average of $1,209). 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 Sao Paulo

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Guarulhos Intl flights
Boston to Viracopos flights
Boston to Congonhas flights

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$313Average$540FlexibilityNo cancel feeOn-time71%
GOLCheapest$340Average$705FlexibilityNo cancel feeOn-time74%
Copa AirlinesCheapest$370Average$593FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$402Average$832FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$479Average$789FlexibilityNo cancel feeOn-time71%
DeltaCheapest$496Average$883FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$527Average$873FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$590Average$734FlexibilityNo cancel feeOn-time67%
AzulCheapest$890Average$1,277FlexibilityNo cancel feeOn-time82%

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