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Cheap flights from Boston to Sao Paulo from $282

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sao Paulo departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Sao Paulo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
7:31 am - 12:10 am
BOS
-
GRU
14h 39m1 stop
Copa Airlines Logo
5:25 am - 10:03 pm
GRU
-
BOS
18h 38m1 stop
$525Copa Airlines
Thu, Jan 22 - Thu, Feb 5
Copa Airlines Logo
8:43 am - 12:10 am
BOS
-
GRU
14h 27m1 stop
Copa Airlines Logo
2:00 am - 11:09 pm
GRU
-
BOS
22h 09m1 stop
$531Copa Airlines
Tue, Apr 14 - Mon, Apr 20
Avianca Logo
7:55 am - 4:15 pm
BOS
-
GRU
30h 20m1 stop
Avianca Logo
7:35 am - 1:50 pm
GRU
-
BOS
32h 15m2 stops
$533Avianca
Thu, Feb 5 - Sun, Feb 8
Avianca Logo
7:55 am - 1:35 am
BOS
-
GRU
15h 40m1 stop
Avianca Logo
5:25 pm - 6:35 am
GRU
-
BOS
15h 10m1 stop
$534Avianca
Thu, Feb 5 - Mon, Mar 2
Multiple Airlines Logo
7:55 am - 1:35 am
BOS
-
GRU
15h 40m1 stop
Multiple Airlines Logo
5:25 pm - 1:50 pm
GRU
-
BOS
22h 25m2 stops
$542Multiple Airlines
Thu, Jan 22 - Thu, Feb 5
Multiple Airlines Logo
12:29 pm - 1:55 pm
BOS
-
VCP
23h 26m2 stops
Multiple Airlines Logo
11:20 pm - 4:28 pm
VCP
-
BOS
19h 08m1 stop
$608Multiple Airlines
Wed, Jan 7 - Thu, Feb 5
GOL Logo
7:00 pm - 7:40 pm
BOS
-
VCP
22h 40m2 stops
GOL Logo
7:40 pm - 11:04 am
VCP
-
BOS
17h 24m2 stops
$632GOL
Wed, Feb 25 - Tue, Mar 3
GOL Logo
3:47 pm - 2:25 pm
BOS
-
CGH
20h 38m2 stops
GOL Logo
6:10 pm - 11:04 am
CGH
-
BOS
18h 54m2 stops
$638GOL
Wed, Feb 25 - Tue, Mar 3
Air Canada Logo
6:55 pm - 4:30 pm
BOS
-
CGH
19h 35m2 stops
Air Canada Logo
6:20 pm - 10:02 am
CGH
-
BOS
17h 42m2 stops
$697Air Canada
Tue, Jan 13 - Sun, Feb 1
Air Canada Logo
6:55 pm - 4:30 pm
BOS
-
CGH
19h 35m2 stops
Air Canada Logo
6:20 pm - 10:02 am
CGH
-
BOS
17h 42m2 stops
$772Air Canada
Tue, Jan 13 - Sun, Feb 1

LATAM Airlines flights from Boston to Sao Paulo

Our best LATAM Airlines deals on Boston to Sao Paulo flight tickets
LATAM Airlines
Jan 22
BOS8:55 amBoston Logan Intl
10h 00m
GRU8:55 pmSao Paulo Guarulhos Intl
Feb 5
GRU10:40 pmSao Paulo Guarulhos Intl
9h 55m
BOS6:35 amBoston Logan Intl
$549
Find similar
LATAM Airlines
Jan 22
BOS8:55 amBoston Logan Intl
10h 00m
GRU8:55 pmSao Paulo Guarulhos Intl
Feb 5
GRU10:40 pmSao Paulo Guarulhos Intl
9h 55m
BOS6:35 amBoston Logan Intl
$550
Find similar
LATAM Airlines
Mar 25
BOS9:55 amBoston Logan Intl
10h 00m
GRU8:55 pmSao Paulo Guarulhos Intl
Apr 29
GRU10:45 pmSao Paulo Guarulhos Intl
9h 50m
BOS7:35 amBoston Logan Intl
$572
Find similar

Copa Airlines flights from Boston to Sao Paulo

Our best Copa Airlines deals on Boston to Sao Paulo flight tickets
Copa Airlines
Jan 22
BOS7:31 amBoston Logan Intl
14h 39m
1 stop
GRU12:10 amSao Paulo Guarulhos Intl
Feb 5
GRU5:25 amSao Paulo Guarulhos Intl
18h 38m
1 stop
BOS10:03 pmBoston Logan Intl
$525
Find similar
Copa Airlines
Apr 14
BOS8:43 amBoston Logan Intl
14h 27m
1 stop
GRU12:10 amSao Paulo Guarulhos Intl
Apr 20
GRU2:00 amSao Paulo Guarulhos Intl
22h 09m
1 stop
BOS11:09 pmBoston Logan Intl
$531
Find similar
Copa Airlines
Feb 4
BOS7:31 amBoston Logan Intl
18h 19m
1 stop
GRU3:50 amSao Paulo Guarulhos Intl
Feb 9
GRU5:25 amSao Paulo Guarulhos Intl
18h 38m
1 stop
BOS10:03 pmBoston Logan Intl
$538
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 16, 2025.
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

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 1/22

7:31 am-12:10 am

1 stop14h 39m

Sao Paulo Guarulhos Intl

Thu 2/5

5:25 am-10:03 pm

1 stop18h 38m

$525

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 4/14

8:43 am-12:10 am

1 stop14h 27m

Sao Paulo Guarulhos Intl

Mon 4/20

2:00 am-11:09 pm

1 stop22h 09m

$531

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 2/5

7:55 am-4:15 pm

1 stop30h 20m

Sao Paulo Guarulhos Intl

Sun 2/8

7:35 am-1:50 pm

2 stops32h 15m

$533

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 2/5

7:55 am-1:35 am

1 stop15h 40m

Sao Paulo Guarulhos Intl

Mon 3/2

5:25 pm-6:35 am

1 stop15h 10m

$534

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 1/22

7:55 am-1:35 am

1 stop15h 40m

Sao Paulo Guarulhos Intl

Thu 2/5

5:25 pm-1:50 pm

2 stops22h 25m

$542

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Wed 1/7

12:29 pm-1:55 pm

2 stops23h 26m

Sao Paulo Viracopos

Thu 2/5

11:20 pm-4:28 pm

1 stop19h 08m

$608

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Wed 2/25

7:00 pm-7:40 pm

2 stops22h 40m

Sao Paulo Viracopos

Tue 3/3

7:40 pm-11:04 am

2 stops17h 24m

$632

BostonSao Paulo

BOS - CGH

BOSCGH

Boston Logan Intl

Wed 2/25

3:47 pm-2:25 pm

2 stops20h 38m

Sao Paulo Congonhas

Tue 3/3

6:10 pm-11:04 am

2 stops18h 54m

$638

BostonSao Paulo

BOS - CGH

BOSCGH

Boston Logan Intl

Tue 1/13

6:55 pm-4:30 pm

2 stops19h 35m

Sao Paulo Congonhas

Sun 2/1

6:20 pm-10:02 am

2 stops17h 42m

$697

BostonSao Paulo

BOS - CGH

BOSCGH

Boston Logan Intl

Tue 1/13

6:55 pm-4:30 pm

2 stops19h 35m

Sao Paulo Congonhas

Sun 2/1

6:20 pm-10:02 am

2 stops17h 42m

$772

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sao Paulo from

How to get the cheapest flight ticket from Boston to Sao Paulo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Sao Paulo?

What is the cheapest month to fly to Sao Paulo?

The cheapest month to fly to Sao Paulo from Boston is in September. Flight prices, which tend to average around $545, are often lower during this time because this is during the off-season. If you don’t want to visit Sao Paulo in September, then you should wait until November to fly from Boston, when ticket prices are also cheap, with an average price of $597.

What is the cheapest day to depart on your flight to Sao Paulo?

The cheapest day to depart on your flight to Sao Paulo is on a Sunday when prices can be found for as low as $760. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,006.

What is the cheapest time of day to depart on your flight to Sao Paulo?

At noon is the cheapest time of day to fly from Boston to Sao Paulo when you can find flight prices for as low as $751. Flying to Sao Paulo at noon is an ideal time because this is during off-peak travel hours. Flights to Sao Paulo are more costly in the morning, with an average ticket price of $887. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Sao Paulo flight route?

Fly from Boston Logan Intl to Sao Paulo Guarulhos Intl for the best Boston Logan Intl - Sao Paulo flight prices

How far in advance should I book a flight to Sao Paulo?

You are more likely to see cheaper flights to Sao Paulo from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Sao Paulo for around $744 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sao Paulo from Boston for as low as $669 on momondo.

What cabin class options are available on Boston Logan Intl to Sao Paulo flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Sao Paulo flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Sao Paulo flight prices changed over time?

As of December 2025, prices for Boston to Sao Paulo flights are approximately 37% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Sao Paulo

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Sao Paulo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Sao Paulo (BOS to SAO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Sao Paulo

Best Price Found

$363

Fastest flight time

9h 45m

Direct flights

Tue, Thu, Fri and Sat

Airports in Sao Paulo

3 airports
The best one-way flight to Sao Paulo from Boston in the past 72 hours is $363. The best round-trip flight deal from Boston to Sao Paulo found on momondo in the last 72 hours is $688.
The fastest flight from Boston to Sao Paulo takes 9h 45m
Direct flights go from Boston to Sao Paulo on Tuesday, Thursday, Friday and Saturday. The only airline offering direct flights is Delta.
There are 3 airports in Sao Paulo. From Boston there are direct flights to Sao Paulo Guarulhos Intl (GRU).
Search flight deals

  • How far is Boston Logan Intl to Sao Paulo by plane?

    A flight from Boston Logan Intl to Sao Paulo will travel around 4809.7 mi. Flights usually cover this in 9h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Sao Paulo?

    Prices for flights from Boston Logan Intl Airport to Sao Paulo are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Sao Paulo?

  • How old do you have to be to fly from Boston Logan Intl Airport to Sao Paulo?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Sao Paulo.

  • What documentation or ID do you need to fly to Sao Paulo?

    The travel and health documents you'll need for your trip to Sao Paulo may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sao Paulo. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Sao Paulo?

  • What is the most popular airline from Boston to Sao Paulo?

Best airlines flying from Boston to Sao Paulo

Compare and see reviews for airlines that fly from Boston to Sao Paulo with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $314Free CancellationRating
6.6
2,484 reviews
Search Avianca flights
GOLPriceFrom $339Free CancellationRating
7.3
1,131 reviews
Search GOL flights
Copa AirlinesPriceFrom $413Free CancellationRating
7.6
1,556 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $479Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
DeltaPriceFrom $485Free CancellationRating
7.9
8,010 reviews
Search Delta flights
LATAM AirlinesPriceFrom $514Free CancellationRating
7.5
1,891 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $530Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
Air CanadaPriceFrom $590Free CancellationRating
7.1
10,527 reviews
Search Air Canada flights
AzulPriceFrom $619Free CancellationRating
8.0
824 reviews
Search Azul flights

  • Delta Flights From Boston to Sao Paulo

    Delta flight deals from Boston to Sao Paulo start from $485 round-trip. Over the 3 Delta flights for this route in a normal week, average airfare is usually $858 round-trip - but some users have found much cheaper deals with momondo.

  • LATAM Airlines Flights From Boston to Sao Paulo

    LATAM Airlines is also a popular choice for this route. LATAM Airlines flight deals for Boston to Sao Paulo start from as low as $514 round-trip, depending on your selected dates, with average LATAM Airlines deals seen on momondo around $898. LATAM Airlines operates 3 flights to Sao Paulo from Boston in an average week. Users have rated it 7.5/10 across 1,891 reviews.

Traveling to a place near Sao Paulo?

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

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Sao Paulo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Sao Paulo. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Sao Paulo with flexible booking policies on momondo?

Flights from Boston to Sao Paulo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Sao Paulo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sao Paulo from Boston.

I’m not ready to book a flight from Boston to Sao Paulo right now. Can momondo alert me if prices change?

Price alerts on flights to Sao Paulo from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Sao Paulo trip

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Find better results for your trip to Brazil

Fly into one of these airports located in Sao Paulo

Airports listed have a maximum distance of 48.9 mi from Sao Paulo
Sao Paulo Congonhas Airport
Sao Paulo Guarulhos Intl Airport
Sao Paulo Viracopos Airport