Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Sao Paulo from $235

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 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boston to Sao Paulo

Cheap round-trip flights

Avianca Logo
7:55 am - 1:35 amBOS-GRU
15h 40m1 stop
Avianca Logo
5:25 pm - 7:35 amGRU-BOS
15h 10m1 stop
$495Avianca
Find Deal
Thu, Mar 5 - Fri, Mar 13
Avianca Logo
3:25 pm - 10:40 pmBOS-GRU
29h 15m2 stops
Avianca Logo
5:25 pm - 6:35 amGRU-BOS
15h 10m1 stop
$496Avianca
Find Deal
Wed, Nov 12 - Wed, Nov 19
Avianca Logo
9:00 am - 2:10 amBOS-GRU
16h 10m1 stop
Avianca Logo
4:50 pm - 2:55 pmGRU-BOS
23h 05m2 stops
$497Avianca
Find Deal
Tue, Sep 30 - Tue, Oct 7
Avianca Logo
8:55 am - 1:35 amBOS-GRU
15h 40m1 stop
Avianca Logo
5:25 pm - 1:50 pmGRU-BOS
22h 25m2 stops
$498Avianca
Find Deal
Thu, Oct 30 - Thu, Nov 13
GOL Logo
7:55 am - 1:35 amBOS-GRU
15h 40m1 stop
GOL Logo
2:40 am - 7:35 amGRU-BOS
29h 55m1 stop
$515GOL
Find Deal
Thu, Mar 5 - Thu, Mar 12
Copa Airlines Logo
7:31 am - 12:10 amBOS-GRU
14h 39m1 stop
Copa Airlines Logo
5:25 am - 10:10 pmGRU-BOS
18h 45m1 stop
$518Copa Airlines
Find Deal
Wed, Feb 25 - Tue, Mar 3
LATAM Airlines Logo
1:55 pm - 5:40 amBOS-GRU
13h 45m1 stop
LATAM Airlines Logo
11:05 pm - 2:48 pmGRU-BOS
16h 43m1 stop
$519LATAM Airlines
Find Deal
Fri, Jan 23 - Tue, Mar 31
Delta Logo
1:55 pm - 5:40 amBOS-GRU
13h 45m1 stop
Delta Logo
10:40 pm - 6:35 amGRU-BOS
9h 55mnonstop
$520Delta
Find Deal
Mon, Jan 19 - Sun, Feb 1
LATAM Airlines Logo
8:55 am - 8:55 pmBOS-GRU
10h 00mnonstop
LATAM Airlines Logo
9:15 pm - 11:21 amGRU-BOS
15h 06m1 stop
$525LATAM Airlines
Find Deal
Fri, Feb 27 - Sun, Mar 15
GOL Logo
7:55 am - 9:10 amBOS-VCP
23h 15m2 stops
GOL Logo
8:05 pm - 6:35 amVCP-BOS
36h 30m2 stops
$527GOL
Find Deal
Thu, Nov 6 - Tue, Nov 11

LATAM Airlines flights from Boston to Sao Paulo

Our best LATAM Airlines deals on Boston to Sao Paulo flight tickets
LATAM Airlines
Jan 23
BOS1:55 pmBoston Logan Intl
13h 45m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Mar 31
GRU11:05 pmSao Paulo Guarulhos Intl
16h 43m
1 stop
BOS2:48 pmBoston Logan Intl
$519
Find similar
LATAM Airlines
Feb 27
BOS8:55 amBoston Logan Intl
10h 00m
GRU8:55 pmSao Paulo Guarulhos Intl
Mar 15
GRU9:15 pmSao Paulo Guarulhos Intl
15h 06m
1 stop
BOS11:21 amBoston Logan Intl
$525
Find similar
LATAM Airlines
Jan 26
BOS11:30 amBoston Logan Intl
16h 10m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Feb 7
GRU4:00 amSao Paulo Guarulhos Intl
22h 59m
2 stops
BOS12:59 amBoston Logan Intl
$540
Find similar

American Airlines flights from Boston to Sao Paulo

Our best American Airlines deals on Boston to Sao Paulo flight tickets
American Airlines
Oct 2
BOS4:30 pmBoston Logan Intl
15h 30m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Oct 31
GRU10:35 pmSao Paulo Guarulhos Intl
16h 20m
2 stops
BOS1:55 pmBoston Logan Intl
$521
Find similar
American Airlines
Oct 2
BOS1:00 pmBoston Logan Intl
19h 00m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Oct 13
GRU10:25 pmSao Paulo Guarulhos Intl
24h 54m
1 stop
BOS10:19 pmBoston Logan Intl
$529
Find similar
American Airlines
Oct 13
BOS3:00 pmBoston Logan Intl
17h 00m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Nov 17
GRU10:35 pmSao Paulo Guarulhos Intl
17h 34m
1 stop
BOS2:09 pmBoston Logan Intl
$530
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 September 11, 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 3/5

7:55 am-1:35 am

1 stop15h 40m

Sao Paulo Guarulhos Intl

Fri 3/13

5:25 pm-7:35 am

1 stop15h 10m

$495

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 11/12

3:25 pm-10:40 pm

2 stops29h 15m

Sao Paulo Guarulhos Intl

Wed 11/19

5:25 pm-6:35 am

1 stop15h 10m

$496

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 9/30

9:00 am-2:10 am

1 stop16h 10m

Sao Paulo Guarulhos Intl

Tue 10/7

4:50 pm-2:55 pm

2 stops23h 05m

$497

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 10/30

8:55 am-1:35 am

1 stop15h 40m

Sao Paulo Guarulhos Intl

Thu 11/13

5:25 pm-1:50 pm

2 stops22h 25m

$498

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 3/5

7:55 am-1:35 am

1 stop15h 40m

Sao Paulo Guarulhos Intl

Thu 3/12

2:40 am-7:35 am

1 stop29h 55m

$515

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 2/25

7:31 am-12:10 am

1 stop14h 39m

Sao Paulo Guarulhos Intl

Tue 3/3

5:25 am-10:10 pm

1 stop18h 45m

$518

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 1/23

1:55 pm-5:40 am

1 stop13h 45m

Sao Paulo Guarulhos Intl

Tue 3/31

11:05 pm-2:48 pm

1 stop16h 43m

$519

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 1/19

1:55 pm-5:40 am

1 stop13h 45m

Sao Paulo Guarulhos Intl

Sun 2/1

10:40 pm-6:35 am

Nonstop9h 55m

$520

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 2/27

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Sun 3/15

9:15 pm-11:21 am

1 stop15h 06m

$525

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Thu 11/6

7:55 am-9:10 am

2 stops23h 15m

Sao Paulo Viracopos

Tue 11/11

8:05 pm-6:35 am

2 stops36h 30m

$527

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October. Flight prices, which tend to average around $496, are often lower during this time because this is during the off-season. If you don’t want to visit Sao Paulo in October, then you should wait until September to fly from Boston, when ticket prices are also cheap, with an average price of $552.

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 Wednesday when prices can be found for as low as $712. 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 $905.

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 $860. 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 $710 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 $625 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 September 2025, prices for Boston to Sao Paulo flights are approximately 13% cheaper 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

$451

Fastest flight time

9h 40m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in Sao Paulo

1 airport
The best one-way flight to Sao Paulo from Boston in the past 72 hours is $451. The best round-trip flight deal from Boston to Sao Paulo found on momondo in the last 72 hours is $776.
The fastest flight from Boston to Sao Paulo takes 9h 40m
Direct flights go from Boston to Sao Paulo on Monday, Tuesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Sao Paulo: 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 10h 00m, 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 $313Free CancellationRating
6.7
2,436 reviews
Search Avianca flights
GOLPriceFrom $340Free CancellationRating
7.3
1,105 reviews
Search GOL flights
Copa AirlinesPriceFrom $370Free CancellationRating
7.6
1,531 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $391Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $479Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $496Free CancellationRating
7.9
7,960 reviews
Search Delta flights
United AirlinesPriceFrom $527Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Air CanadaPriceFrom $590Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
AzulPriceFrom $890Free CancellationRating
8.0
808 reviews
Search Azul flights

  • Delta Flights From Boston to Sao Paulo

    Delta flight deals from Boston to Sao Paulo start from $496 round-trip. Over the 4 Delta flights for this route in a normal week, average airfare is usually $877 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 $391 round-trip, depending on your selected dates, with average LATAM Airlines deals seen on momondo around $817. LATAM Airlines operates 4 flights to Sao Paulo from Boston in an average week. Users have rated it 7.5/10 across 1,847 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 10/11
Sat 10/18
By creating a price alert you accept our terms of use and privacy policy.

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