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Cheap flights from Boston to Sao Paulo from $262

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 3/23. 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.
Avianca Logo
8:55 am - 5:40 am
BOS
-
GRU
19h 45m
1 stop
Avianca Logo
7:35 am - 2:50 pm
GRU
-
BOS
32h 15m
2 stops
$455Avianca
Thu, Mar 12 - Sun, Mar 15
United Airlines Logo
2:20 pm - 10:20 am
BOS
-
GRU
18h 00m
1 stop
United Airlines Logo
9:45 pm - 3:12 pm
GRU
-
BOS
19h 27m
2 stops
$457United Airlines
Tue, Feb 24 - Tue, Mar 3
Delta Logo
9:55 am - 8:40 pm
BOS
-
GRU
9h 45mnonstop
Delta Logo
10:45 pm - 7:35 am
GRU
-
BOS
9h 50mnonstop
$458Delta
Fri, May 22 - Sun, May 31
Avianca Logo
7:55 am - 10:40 pm
BOS
-
GRU
36h 45m
1 stop
Avianca Logo
1:20 am - 6:35 am
GRU
-
BOS
31h 15m
1 stop
$459Avianca
Tue, Feb 24 - Thu, Mar 5
Copa Airlines Logo
8:52 am - 12:30 am
BOS
-
GRU
14h 38m
1 stop
Copa Airlines Logo
5:25 am - 11:08 pm
GRU
-
BOS
18h 43m
1 stop
$460Copa Airlines
Sun, May 10 - Sat, May 16
Avianca Logo
9:00 am - 2:10 am
BOS
-
GRU
16h 10m
1 stop
Avianca Logo
7:20 am - 2:50 pm
GRU
-
BOS
32h 30m
2 stops
$461Avianca
Sat, May 2 - Sat, May 16
American Airlines Logo
7:00 pm - 7:00 pm
BOS
-
VCP
22h 00m
2 stops
American Airlines Logo
7:40 pm - 7:19 pm
VCP
-
BOS
24h 39m
2 stops
$514American Airlines
Sun, Mar 1 - Wed, Mar 11
American Airlines Logo
7:00 pm - 2:25 pm
BOS
-
CGH
17h 25m
2 stops
American Airlines Logo
8:00 pm - 11:25 am
CGH
-
BOS
16h 25m
2 stops
$520American Airlines
Sun, Mar 1 - Sun, Mar 8
GOL Logo
3:49 pm - 7:00 pm
BOS
-
VCP
26h 11m
2 stops
GOL Logo
7:40 pm - 11:16 pm
VCP
-
BOS
28h 36m
2 stops
$632GOL
Mon, Mar 16 - Mon, Mar 30
GOL Logo
7:00 pm - 7:00 pm
BOS
-
VCP
22h 00m
2 stops
GOL Logo
7:40 pm - 11:44 am
VCP
-
BOS
17h 04m
2 stops
$634GOL
Wed, Mar 4 - Wed, Mar 18

Avianca flights from Boston to Sao Paulo

Our best Avianca deals on Boston to Sao Paulo flight tickets
Avianca
Mar 12
BOS8:55 amBoston Logan Intl
19h 45m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Mar 15
GRU7:35 amSao Paulo Guarulhos Intl
32h 15m
2 stops
BOS2:50 pmBoston Logan Intl
$455
Avianca
Feb 24
BOS7:55 amBoston Logan Intl
36h 45m
1 stop
GRU10:40 pmSao Paulo Guarulhos Intl
Mar 5
GRU1:20 amSao Paulo Guarulhos Intl
31h 15m
1 stop
BOS6:35 amBoston Logan Intl
$459
Avianca
May 2
BOS9:00 amBoston Logan Intl
16h 10m
1 stop
GRU2:10 amSao Paulo Guarulhos Intl
May 16
GRU7:20 amSao Paulo Guarulhos Intl
32h 30m
2 stops
BOS2:50 pmBoston Logan Intl
$461

American Airlines flights from Boston to Sao Paulo

Our best American Airlines deals on Boston to Sao Paulo flight tickets
American Airlines
Mar 12
BOS3:49 pmBoston Logan Intl
13h 16m
1 stop
GRU6:05 amSao Paulo Guarulhos Intl
Mar 26
GRU10:35 pmSao Paulo Guarulhos Intl
13h 50m
1 stop
BOS11:25 amBoston Logan Intl
$502
American Airlines
Mar 5
BOS11:55 amBoston Logan Intl
16h 25m
2 stops
GRU6:20 amSao Paulo Guarulhos Intl
Mar 15
GRU12:15 amSao Paulo Guarulhos Intl
16h 01m
2 stops
BOS3:16 pmBoston Logan Intl
$507
American Airlines
Feb 26
BOS8:26 amBoston Logan Intl
21h 44m
1 stop
GRU8:10 amSao Paulo Guarulhos Intl
Mar 8
GRU10:35 pmSao Paulo Guarulhos Intl
21h 44m
1 stop
BOS7:19 pmBoston Logan Intl
$512

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 January 28, 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

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 3/12

8:55 am-5:40 am

1 stop19h 45m

Sao Paulo Guarulhos Intl

Sun 3/15

7:35 am-2:50 pm

2 stops32h 15m

$455

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 2/24

2:20 pm-10:20 am

1 stop18h 00m

Sao Paulo Guarulhos Intl

Tue 3/3

9:45 pm-3:12 pm

2 stops19h 27m

$457

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 5/22

9:55 am-8:40 pm

Nonstop9h 45m

Sao Paulo Guarulhos Intl

Sun 5/31

10:45 pm-7:35 am

Nonstop9h 50m

$458

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 2/24

7:55 am-10:40 pm

1 stop36h 45m

Sao Paulo Guarulhos Intl

Thu 3/5

1:20 am-6:35 am

1 stop31h 15m

$459

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 5/10

8:52 am-12:30 am

1 stop14h 38m

Sao Paulo Guarulhos Intl

Sat 5/16

5:25 am-11:08 pm

1 stop18h 43m

$460

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sat 5/2

9:00 am-2:10 am

1 stop16h 10m

Sao Paulo Guarulhos Intl

Sat 5/16

7:20 am-2:50 pm

2 stops32h 30m

$461

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Sun 3/1

7:00 pm-7:00 pm

2 stops22h 00m

Sao Paulo Viracopos

Wed 3/11

7:40 pm-7:19 pm

2 stops24h 39m

$514

BostonSao Paulo

BOS - CGH

BOSCGH

Boston Logan Intl

Sun 3/1

7:00 pm-2:25 pm

2 stops17h 25m

Sao Paulo Congonhas

Sun 3/8

8:00 pm-11:25 am

2 stops16h 25m

$520

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Mon 3/16

3:49 pm-7:00 pm

2 stops26h 11m

Sao Paulo Viracopos

Mon 3/30

7:40 pm-11:16 pm

2 stops28h 36m

$632

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Wed 3/4

7:00 pm-7:00 pm

2 stops22h 00m

Sao Paulo Viracopos

Wed 3/18

7:40 pm-11:44 am

2 stops17h 04m

$634

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 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 $754. 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 $984.

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 $738 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 $624 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 January 2026, prices for Boston to Sao Paulo flights are approximately 3% 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

$382

Fastest flight time

9h 45m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Sao Paulo

3 airports
The best one-way flight to Sao Paulo from Boston in the past 72 hours is $382. The best round-trip flight deal from Boston to Sao Paulo found on momondo in the last 72 hours is $655.
The fastest flight from Boston to Sao Paulo takes 9h 45m
Direct flights go from Boston to Sao Paulo on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
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
GOLPriceFrom $166Free CancellationRating
7.3
1,159 reviews
Search GOL flights
AviancaPriceFrom $227Free CancellationRating
6.6
2,490 reviews
Search Avianca flights
Copa AirlinesPriceFrom $384Free CancellationRating
7.5
1,560 reviews
Search Copa Airlines flights
DeltaPriceFrom $435Free CancellationRating
7.9
8,124 reviews
Search Delta flights
American AirlinesPriceFrom $479Free CancellationRating
7.2
11,199 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $506Free CancellationRating
7.5
1,916 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $515Free CancellationRating
7.4
9,213 reviews
Search United Airlines flights
Air CanadaPriceFrom $590Free CancellationRating
7.1
10,666 reviews
Search Air Canada flights
AzulPriceFrom $619Free CancellationRating
7.9
843 reviews
Search Azul flights

  • Delta Flights From Boston to Sao Paulo

    Delta flight deals from Boston to Sao Paulo start from $435 round-trip. Over the 3 Delta flights for this route in a normal week, average airfare is usually $826 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 $506 round-trip, depending on your selected dates, with average LATAM Airlines deals seen on momondo around $890. LATAM Airlines operates 3 flights to Sao Paulo from Boston in an average week. Users have rated it 7.5/10 across 1,916 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