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Cheap flights from Boston to Sao Paulo from $233

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 10/2. 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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Find the cheapest flights from Boston to Sao Paulo

Cheap round-trip flights

Avianca Logo
4:50 pm - 12:40 amBOS-GRU
30h 50m2 stops
Avianca Logo
4:50 pm - 7:15 amGRU-BOS
15h 25m1 stop
$489Avianca
Find Deal
Mon, Sep 22 - Wed, Oct 8
Avianca Logo
9:00 am - 12:40 amBOS-GRU
14h 40m1 stop
Avianca Logo
4:50 pm - 2:55 pmGRU-BOS
23h 05m2 stops
$490Avianca
Find Deal
Tue, Oct 7 - Tue, Oct 21
Avianca Logo
9:00 am - 2:10 amBOS-GRU
16h 10m1 stop
Avianca Logo
5:25 pm - 7:35 amGRU-BOS
15h 10m1 stop
$493Avianca
Find Deal
Thu, Oct 2 - Fri, Oct 31
Avianca Logo
9:00 am - 3:20 pmBOS-GRU
29h 20m1 stop
Avianca Logo
7:20 am - 7:15 amGRU-BOS
24h 55m1 stop
$494Avianca
Find Deal
Thu, Sep 18 - Wed, Oct 1
GOL Logo
7:55 am - 3:10 amBOS-GRU
17h 15m1 stop
GOL Logo
4:35 pm - 6:35 amGRU-BOS
16h 00m1 stop
$507GOL
Find Deal
Thu, Jan 15 - Mon, Jan 26
GOL Logo
8:55 am - 12:45 amBOS-GRU
14h 50m1 stop
GOL Logo
4:35 pm - 6:35 amGRU-BOS
16h 00m1 stop
$518GOL
Find Deal
Thu, Oct 30 - Fri, Nov 7
Copa Airlines Logo
8:41 am - 8:50 pmBOS-GRU
35h 09m1 stop
Copa Airlines Logo
5:25 am - 7:22 pmGRU-BOS
14h 57m1 stop
$528Copa Airlines
Find Deal
Wed, Sep 10 - Thu, Sep 18
Logo
7:55 am - 5:50 amBOS-GRU
19h 55m1 stop
Logo
4:35 pm - 6:35 amGRU-BOS
16h 00m1 stop
$534
Find Deal
Tue, Jan 20 - Fri, Feb 6
Copa Airlines Logo
7:34 am - 12:10 amBOS-GRU
14h 36m1 stop
Copa Airlines Logo
1:40 am - 1:00 pmGRU-BOS
13h 20m1 stop
$539Copa Airlines
Find Deal
Mon, Nov 3 - Sat, Nov 15
Logo
9:00 am - 12:10 pmBOS-GRU
26h 10m2 stops
Logo
1:45 am - 7:15 amGRU-BOS
30h 30m1 stop
$549
Find Deal
Tue, Sep 16 - Thu, Sep 25

Avianca flights from Boston to Sao Paulo

Our best Avianca deals on Boston to Sao Paulo flight tickets
Avianca
Sep 22
BOS4:50 pmBoston Logan Intl
30h 50m
2 stops
GRU12:40 amSao Paulo Guarulhos Intl
Oct 8
GRU4:50 pmSao Paulo Guarulhos Intl
15h 25m
1 stop
BOS7:15 amBoston Logan Intl
$489
Find similar
Avianca
Oct 7
BOS9:00 amBoston Logan Intl
14h 40m
1 stop
GRU12:40 amSao Paulo Guarulhos Intl
Oct 21
GRU4:50 pmSao Paulo Guarulhos Intl
23h 05m
2 stops
BOS2:55 pmBoston Logan Intl
$490
Find similar
Avianca
Oct 2
BOS9:00 amBoston Logan Intl
16h 10m
1 stop
GRU2:10 amSao Paulo Guarulhos Intl
Oct 31
GRU5:25 pmSao Paulo Guarulhos Intl
15h 10m
1 stop
BOS7:35 amBoston Logan Intl
$493
Find similar

GOL flights from Boston to Sao Paulo

Our best GOL deals on Boston to Sao Paulo flight tickets
GOL
Jan 15
BOS7:55 amBoston Logan Intl
17h 15m
1 stop
GRU3:10 amSao Paulo Guarulhos Intl
Jan 26
GRU4:35 pmSao Paulo Guarulhos Intl
16h 00m
1 stop
BOS6:35 amBoston Logan Intl
$507
Find similar
GOL
Oct 30
BOS8:55 amBoston Logan Intl
14h 50m
1 stop
GRU12:45 amSao Paulo Guarulhos Intl
Nov 7
GRU4:35 pmSao Paulo Guarulhos Intl
16h 00m
1 stop
BOS6:35 amBoston Logan Intl
$518
Find similar
GOL
Oct 4
BOS9:00 amBoston Logan Intl
14h 40m
1 stop
GRU12:40 amSao Paulo Guarulhos Intl
Oct 24
GRU4:50 pmSao Paulo Guarulhos Intl
15h 25m
1 stop
BOS7:15 amBoston Logan Intl
$520
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 July 30, 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

Mon 9/22

4:50 pm-12:40 am

2 stops30h 50m

Sao Paulo Guarulhos Intl

Wed 10/8

4:50 pm-7:15 am

1 stop15h 25m

$489

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 10/7

9:00 am-12:40 am

1 stop14h 40m

Sao Paulo Guarulhos Intl

Tue 10/21

4:50 pm-2:55 pm

2 stops23h 05m

$490

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 10/2

9:00 am-2:10 am

1 stop16h 10m

Sao Paulo Guarulhos Intl

Fri 10/31

5:25 pm-7:35 am

1 stop15h 10m

$493

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 9/18

9:00 am-3:20 pm

1 stop29h 20m

Sao Paulo Guarulhos Intl

Wed 10/1

7:20 am-7:15 am

1 stop24h 55m

$494

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 1/15

7:55 am-3:10 am

1 stop17h 15m

Sao Paulo Guarulhos Intl

Mon 1/26

4:35 pm-6:35 am

1 stop16h 00m

$507

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 10/30

8:55 am-12:45 am

1 stop14h 50m

Sao Paulo Guarulhos Intl

Fri 11/7

4:35 pm-6:35 am

1 stop16h 00m

$518

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 9/10

8:41 am-8:50 pm

1 stop35h 09m

Sao Paulo Guarulhos Intl

Thu 9/18

5:25 am-7:22 pm

1 stop14h 57m

$528

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 1/20

7:55 am-5:50 am

1 stop19h 55m

Sao Paulo Guarulhos Intl

Fri 2/6

4:35 pm-6:35 am

1 stop16h 00m

$534

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 11/3

7:34 am-12:10 am

1 stop14h 36m

Sao Paulo Guarulhos Intl

Sat 11/15

1:40 am-1:00 pm

1 stop13h 20m

$539

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Tue 9/16

9:00 am-12:10 pm

2 stops26h 10m

Sao Paulo Guarulhos Intl

Thu 9/25

1:45 am-7:15 am

1 stop30h 30m

$549

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 October. Flight prices, which tend to average around $484, 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 $535.

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 $704. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday 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 $902.

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 $858. 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 $709 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 $634 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 July 2025, prices for Boston to Sao Paulo flights are approximately 7% 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

$233

Fastest flight time

14h 29m

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 $233. The best round-trip flight deal from Boston to Sao Paulo found on momondo in the last 72 hours is $489.
The fastest flight from Boston to Sao Paulo takes 14h 29m
Direct flights go from Boston to Sao Paulo on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Delta and LATAM Airlines.
There are 3 airports near Sao Paulo: Sao Paulo Viracopos (VCP), Sao Paulo Congonhas (CGH), 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 14h 36m, 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
2,387 reviews
Search Avianca flights
GOLPriceFrom $344Free CancellationRating
7.3
1,091 reviews
Search GOL flights
Copa AirlinesPriceFrom $370Free CancellationRating
7.5
1,493 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $388Free CancellationRating
7.5
1,822 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $479Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $486Free CancellationRating
8.0
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $511Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights
Air CanadaPriceFrom $588Free CancellationRating
7.1
9,837 reviews
Search Air Canada flights
AzulPriceFrom $702Free CancellationRating
8.0
801 reviews
Search Azul flights

  • Delta Flights From Boston to Sao Paulo

    Delta flight deals from Boston to Sao Paulo start from $486 round-trip. Over the 4 Delta flights for this route in a normal week, average airfare is usually $884 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 $388 round-trip, depending on your selected dates, with average LATAM Airlines deals seen on momondo around $712. LATAM Airlines operates 4 flights to Sao Paulo from Boston in an average week. Users have rated it 7.5/10 across 1,822 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