Sao Paulo

$326+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAO
Jun 14 — Jun 211
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Cheapflights Tip: The best prices from Boston Logan Intl to Sao Paulo are usually found in November or September, booked 57 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

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 May 15, 2026.

This United Airlines deal was found by Cheapflights users on 5/11. 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 6/98:15 am
BOS
-
GRU
1 stop24h 25m
United Airlines
Tue 6/2310:20 pm
GRU
-
BOS
1 stop27h 54m
United Airlines
Deal found 5/11$617
This United Airlines deal was found by Cheapflights users on 5/10. 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 11/88:10 pm
BOS
-
GRU
1 stop33h 05m
United Airlines
Thu 11/129:30 pm
GRU
-
BOS
1 stop24h 08m
United Airlines
Deal found 5/10$618
This Copa Airlines deal was found by Cheapflights users on 5/10. 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 6/28:52 am
BOS
-
GRU
1 stop18h 18m
Copa Airlines
Sun 6/73:15 am
GRU
-
BOS
1 stop20h 53m
Copa Airlines
Deal found 5/10$619
This United Airlines deal was found by Cheapflights users on 5/11. 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 6/85:45 am
BOS
-
GRU
1 stop26h 45m
United Airlines
Tue 6/2310:20 pm
GRU
-
BOS
1 stop27h 54m
United Airlines
Deal found 5/11$624
This Rumbo deal was found by Cheapflights users on 5/14. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:45 am
BOS
-
GRU
1 stop30h 20m
Multiple Airlines
Wed 6/177:35 am
GRU
-
BOS
1 stop24h 35m
Multiple Airlines
Deal found 5/14$626
This 123 Milhas deal was found by Cheapflights users on 5/12. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:00 pm
BOS
-
GRU
2 stops21h 15m
LATAM Airlines
Sat 11/2810:40 pm
GRU
-
BOS
Nonstop9h 55m
LATAM Airlines
Deal found 5/12$628
This Avianca deal was found by Cheapflights users on 5/11. 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.
Thu 9/38:45 am
BOS
-
GRU
1 stop19h 40m
Avianca
Mon 9/75:15 pm
GRU
-
BOS
1 stop14h 55m
Avianca
Deal found 5/11$629
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/277:27 pm
BOS
-
GRU
1 stop13h 03m
United Airlines
Fri 6/510:20 pm
GRU
-
BOS
1 stop20h 09m
United Airlines
Deal found 5/11$631
This Avianca deal was found by Cheapflights users on 5/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:45 am
BOS
-
GRU
1 stop19h 40m
Avianca
Wed 8/55:15 pm
GRU
-
BOS
1 stop14h 55m
Avianca
Deal found 5/14$634
This United Airlines deal was found by Cheapflights users on 5/13. 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 5/281:37 pm
BOS
-
GRU
1 stop15h 53m
United Airlines
Tue 6/99:30 pm
GRU
-
BOS
2 stops18h 45m
United Airlines
Deal found 5/13$636
This Copa Airlines deal was found by Cheapflights users on 5/13. 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 6/148:52 am
BOS
-
GRU
1 stop14h 38m
Copa Airlines
Wed 6/245:00 am
GRU
-
BOS
1 stop19h 08m
Copa Airlines
Deal found 5/13$637
This CheapOair deal was found by Cheapflights users on 5/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
BOS
-
VCP
1 stop34h 55m
Azul
Thu 6/1110:40 pm
VCP
-
BOS
1 stop23h 08m
Azul
Deal found 5/13$641

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 May 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$617
(United Airlines)

One-way from

$326
(oojo)

Popular in

December

Cheapest in

November

Average price

$723

Good round-trip deal

$773 or less

Good one-way deal

$411 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. 0% potential increase in price ($5 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in May 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 May 15, 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

Sat 6/13

8:26 pm-9:30 am

2 stops36h 04m

Sao Paulo Guarulhos Intl

Sun 7/5

10:20 pm-1:14 am

1 stop27h 54m

$617

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 6/8

5:45 am-9:30 am

1 stop26h 45m

Sao Paulo Guarulhos Intl

Tue 6/23

10:20 pm-1:14 am

1 stop27h 54m

$624

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 5/28

7:30 am-6:30 am

2 stops22h 00m

Sao Paulo Guarulhos Intl

Tue 6/9

9:30 pm-3:15 pm

2 stops18h 45m

$636

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 5/27

2:40 pm-7:10 am

1 stop15h 30m

Sao Paulo Guarulhos Intl

Mon 6/1

9:30 pm-3:16 pm

2 stops18h 46m

$636

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 11/1

7:31 am-3:50 am

1 stop18h 19m

Sao Paulo Guarulhos Intl

Thu 11/12

4:45 am-10:03 pm

1 stop19h 18m

$669

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sat 6/13

8:26 pm-9:30 am

2 stops36h 04m

Sao Paulo Guarulhos Intl

Sat 6/20

9:00 pm-9:12 am

1 stop13h 12m

$742

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 6/14

7:30 am-9:30 am

2 stops25h 00m

Sao Paulo Guarulhos Intl

Thu 6/18

9:30 pm-4:38 pm

2 stops20h 08m

$747

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 6/17

7:30 am-9:30 am

2 stops25h 00m

Sao Paulo Guarulhos Intl

Wed 7/1

9:30 pm-9:53 pm

2 stops25h 23m

$747
Quickest round-trip

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 7/12

9:55 am-8:40 pm

Nonstop9h 45m

Sao Paulo Guarulhos Intl

Thu 7/16

10:45 pm-7:35 am

Nonstop9h 50m

$761

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sat 6/6

8:55 pm-8:50 am

1 stop34h 55m

Sao Paulo Guarulhos Intl

Tue 7/28

10:45 pm-7:35 am

Nonstop9h 50m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 57 resultsSorted by cheapest first
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 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

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.

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

Currently, October is the cheapest month in which you can book a flight from Boston to Sao Paulo (average of $197). Flying from Boston to Sao Paulo in December is currently the most expensive (average of $3,311). 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 May 15, 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 40% 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 31m.

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 May 15, 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.

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 United Airlines and GOL fly from Boston to Sao Paulo in about 16h 19m. The time it takes to get you to your destination can typically vary by up to 19h 45m. There are 4814 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 $250. Additional round-trip tickets that might be worth considering are offered by Avianca and Delta, with the lowest prices starting at $278 and $435, respectively. Copa Airlines is priced at 66% 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 $231. United Airlines flights start at $236 while deals on Delta start at $238 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 LATAM Airlines Brasil (67%), LATAM Airlines (67%) or Delta (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 $1,761, our data shows the cheapest flight currently is $307. When looking at the most popular route, (Boston Logan Intl - Sao Paulo Guarulhos Intl), you can expect to pay $491 for that flight.

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

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

    Miami travelers tend to visit Kaseya Center, Bayside Marketplace, and Bayfront Park more than anywhere else. Travelers on a layover in Miami can visit Kaseya Center, Bayside Marketplace, and Bayfront Park, by traveling 6.2 mi, 6.4 mi, and 6.4 mi, respectively after landing at Miami. Those on a layover in Miami in need of a rental car can book one at Miami for about $26.

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

  • 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, October is the cheapest month in which you can book a flight from Boston to Sao Paulo (average of $197). Flying from Boston to Sao Paulo in December is currently the most expensive (average of $3,311). 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

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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.

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 May 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$250Average$614FlexibilityNo cancel feeOn-time70%
AviancaCheapest$278Average$528FlexibilityNo cancel feeOn-time71%
DeltaCheapest$435Average$804FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$457Average$703FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$463Average$957FlexibilityNo cancel feeOn-time81%
GOLCheapest$486Average$645FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$520Average$936FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$590Average$744FlexibilityNo cancel feeOn-time67%
AzulCheapest$619Average$1,290FlexibilityNo cancel feeOn-time82%

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