What airlines fly to Porto Alegre?

LATAM Airlines, Copa Airlines and Delta are the top three most popular airlines that fly to Porto Alegre from Boston according to our data. LATAM Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Porto Alegre. Keep in mind that there are 4 different airlines that fly to Porto Alegre on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Boston Logan Intl to Porto Alegre Salgado Filho?

LATAM Airlines and Copa Airlines are the most popular carriers operating from Boston Logan Intl to Porto Alegre Salgado Filho

When did momondo last update prices for flights from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport?

Prices for flights from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport were last updated today.

How many operators does momondo search for flights from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport?

There are 4 operators available for flights from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport as of November 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport.

What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$492 Cheap Flights from Boston to Porto Alegre in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Porto Alegre

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 am - 6:25 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

32h 40m2 stops Bogotá El Dorado Sao Paulo Guarulhos Intl

6:30 pm - 7:10 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

37h 40m2 stops Sao Paulo Guarulhos Intl Bogotá El Dorado

$868GOL

Tue, May 4 - Tue, May 11

3:40 pm - 8:15 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

26h 35m3 stops San Salvador El Salvador Intl Bogotá El Dorado Rio de Janeiro–Galeão Intl

9:40 pm - 6:35 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

34h 55m3 stops Florianopolis Hercilio Luz Rio de Janeiro–Galeão Intl Bogotá El Dorado

$886Multiple Airlines

Sun, Feb 21 - Sun, Mar 7

10:05 am - 8:30 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

21h 25m1 stop Sao Paulo Guarulhos Intl

5:40 pm - 2:41 pmPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

22h 01m2 stops Santiago Arturo Merino Benitez Miami

$947LATAM Airlines

Sun, Mar 21 - Mon, Apr 5

9:05 am - 8:30 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

21h 25m1 stop Sao Paulo Guarulhos Intl

5:25 am - 11:23 pmPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

18h 58m2 stops Sao Paulo Guarulhos Intl Miami

$950LATAM Airlines

Sat, Mar 6 - Sun, Mar 21

7:55 am - 10:15 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

24h 20m2 stops Bogotá El Dorado Sao Paulo Guarulhos Intl

11:10 am - 6:35 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

21h 25m2 stops Rio de Janeiro–Galeão Intl Bogotá El Dorado

$955GOL

Sat, Feb 20 - Mon, Mar 8

6:35 pm - 7:30 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

22h 55m2 stops Montreal Pierre Elliott Trudeau Intl Sao Paulo Guarulhos Intl

11:15 am - 9:25 pmPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

35h 10m2 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl

$962Air Canada

Sat, Mar 6 - Sun, Mar 21

7:30 am - 12:25 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

15h 55m1 stop Panama City Tocumen Intl

1:40 am - 11:04 pmPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

22h 24m1 stop Panama City Tocumen Intl

$975Copa Airlines

Sun, Mar 14 - Mon, Mar 22

3:46 pm - 12:25 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

31h 39m1 stop Panama City Tocumen Intl

1:40 am - 11:04 pmPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

22h 24m1 stop Panama City Tocumen Intl

$977Copa Airlines

Sun, Mar 14 - Tue, Mar 23

7:00 am - 6:40 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

21h 40m2 stops Miami Lima J Chavez Intl

6:00 pm - 7:45 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

14h 45m1 stop Sao Paulo Guarulhos Intl

$1,005Delta

Fri, Mar 12 - Sat, Mar 27

6:00 am - 6:40 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

22h 40m2 stops New York John F Kennedy Intl Lima J Chavez Intl

5:15 am - 7:45 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

27h 30m1 stop Sao Paulo Guarulhos Intl

$1,005Delta

Fri, Mar 12 - Thu, Mar 25

Cheap last minute flights

Enter your travel dates to find the best prices.

9:05 am - 8:30 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

21h 25m1 stop Sao Paulo Guarulhos Intl

9:45 pm - 6:45 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

35h 00m2 stops Curitiba Afonso Pena Sao Paulo Guarulhos Intl

$1,041LATAM Airlines

Sun, Nov 15 - Wed, Nov 25

9:05 am - 2:15 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

27h 10m2 stops Sao Paulo Guarulhos Intl Florianopolis Hercilio Luz

9:45 pm - 6:45 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

35h 00m2 stops Curitiba Afonso Pena Sao Paulo Guarulhos Intl

$1,109LATAM Airlines

Sun, Nov 15 - Wed, Nov 25

9:05 am - 3:20 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

28h 15m1 stop Sao Paulo Guarulhos Intl

6:00 pm - 6:45 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

14h 45m1 stop Sao Paulo Guarulhos Intl

$1,116Delta

Fri, Nov 13 - Fri, Nov 20

2:50 pm - 12:25 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

31h 35m1 stop Panama City Tocumen Intl

1:30 am - 10:01 pmPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

22h 31m1 stop Panama City Tocumen Intl

$1,135Copa Airlines

Sun, Nov 15 - Tue, Nov 24

9:05 am - 10:00 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

22h 55m1 stop Sao Paulo Guarulhos Intl

11:50 am - 6:35 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

20h 45m2 stops Sao Paulo Guarulhos Intl Bogotá El Dorado

$1,225Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

7:09 am - 6:40 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

21h 31m2 stops New York John F Kennedy Intl Lima J Chavez Intl

2:20 pm - 6:35 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

18h 15m2 stops Sao Paulo Guarulhos Intl Bogotá El Dorado

$1,226Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

3:40 pm - 9:45 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

28h 05m3 stops San Salvador El Salvador Intl Lima J Chavez Intl Sao Paulo Guarulhos Intl

5:15 am - 6:35 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

27h 20m3 stops Brasilia Lima J Chavez Intl Bogotá El Dorado

$1,547Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

11:15 am - 10:15 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

21h 00m3 stops Santo Domingo Las Americas Bogotá El Dorado Sao Paulo Guarulhos Intl

2:20 pm - 6:35 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

18h 15m2 stops Sao Paulo Guarulhos Intl Bogotá El Dorado

$1,702Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

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GOL flights from Boston to Porto Alegre

Our best GOL deals on Boston to Porto Alegre flight tickets

GOL

May 4

BOS8:45 amBoston Logan Intl

32h 40m

2 stops

POA6:25 pmPorto Alegre Salgado Filho

May 11

POA6:30 pmPorto Alegre Salgado Filho

37h 40m

2 stops

BOS7:10 amBoston Logan Intl

$868

GOL

Feb 20

BOS7:55 amBoston Logan Intl

24h 20m

2 stops

POA10:15 amPorto Alegre Salgado Filho

Mar 8

POA11:10 amPorto Alegre Salgado Filho

21h 25m

2 stops

BOS6:35 amBoston Logan Intl

$955

GOL

Mar 13

BOS7:55 amBoston Logan Intl

24h 35m

2 stops

POA10:30 amPorto Alegre Salgado Filho

Mar 25

POA7:40 pmPorto Alegre Salgado Filho

21h 20m

2 stops

BOS4:00 pmBoston Logan Intl

$1,118

LATAM Airlines flights from Boston to Porto Alegre

Our best LATAM Airlines deals on Boston to Porto Alegre flight tickets

LATAM Airlines

Mar 21

BOS10:05 amBoston Logan Intl

21h 25m

1 stop

POA8:30 amPorto Alegre Salgado Filho

Apr 5

POA5:40 pmPorto Alegre Salgado Filho

22h 01m

2 stops

BOS2:41 pmBoston Logan Intl

$947

LATAM Airlines

Mar 14

BOS10:05 amBoston Logan Intl

21h 25m

1 stop

POA8:30 amPorto Alegre Salgado Filho

Mar 24

POA5:15 amPorto Alegre Salgado Filho

19h 08m

2 stops

BOS11:23 pmBoston Logan Intl

$950

LATAM Airlines

Apr 26

BOS7:50 pmBoston Logan Intl

27h 20m

2 stops

POA12:10 amPorto Alegre Salgado Filho

Jun 7

POA5:40 pmPorto Alegre Salgado Filho

22h 01m

2 stops

BOS2:41 pmBoston Logan Intl

$952

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Tue 5/4

8:45 am-6:25 pm

2 stops32h 40m

Porto Alegre Salgado Filho

Tue 5/11

6:30 pm-7:10 am

2 stops37h 40m

$868

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Sun 2/21

3:40 pm-8:15 pm

3 stops26h 35m

Porto Alegre Salgado Filho

Sun 3/7

9:40 pm-6:35 am

3 stops34h 55m

$886

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Sun 3/21

10:05 am-8:30 am

1 stop21h 25m

Porto Alegre Salgado Filho

Mon 4/5

5:40 pm-2:41 pm

2 stops22h 01m

$947

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Sat 3/6

9:05 am-8:30 am

1 stop21h 25m

Porto Alegre Salgado Filho

Sun 3/21

5:25 am-11:23 pm

2 stops18h 58m

$950

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Sat 2/20

7:55 am-10:15 am

2 stops24h 20m

Porto Alegre Salgado Filho

Mon 3/8

11:10 am-6:35 am

2 stops21h 25m

$955

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Sat 3/6

6:35 pm-7:30 pm

2 stops22h 55m

Porto Alegre Salgado Filho

Sun 3/21

11:15 am-9:25 pm

2 stops35h 10m

$962

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Sun 3/14

7:30 am-12:25 am

1 stop15h 55m

Porto Alegre Salgado Filho

Mon 3/22

1:40 am-11:04 pm

1 stop22h 24m

$975

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Sun 3/14

3:46 pm-12:25 am

1 stop31h 39m

Porto Alegre Salgado Filho

Tue 3/23

1:40 am-11:04 pm

1 stop22h 24m

$977

Quickest round-trip

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Fri 3/12

7:00 am-6:40 am

2 stops21h 40m

Porto Alegre Salgado Filho

Sat 3/27

6:00 pm-7:45 am

1 stop14h 45m

$1,005

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Fri 3/12

6:00 am-6:40 am

2 stops22h 40m

Porto Alegre Salgado Filho

Thu 3/25

5:15 am-7:45 am

1 stop27h 30m

$1,005

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Porto Alegre

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

Prices

Airlines

What is the typical price of a round-trip flight between Boston and Porto Alegre?

Prices are currently typical for flights on this route.

Typical prices usually range from $883 to $1,462.
The lowest price recently found on this route was $991.

What is the cheapest month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Boston is in March. Flight prices, which tend to average around $712, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in March, then February is your next best option. Flight prices from Boston to Porto Alegre during February average around $812.

Can stopping save me money on Boston to Porto Alegre flights?

You could potentially save up to 51% on your flight if you consider stops on a Boston to Porto Alegre flight.

How have Boston to Porto Alegre flight prices changed over time?

When to book flights from Boston to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Porto Alegre (BOS to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Porto Alegre

Best Price Found	$492
Fastest flight time	16h 36m
Direct flights	None

The best one-way flight to Porto Alegre from Boston in the past 72 hours is $492. The best round-trip flight deal from Boston to Porto Alegre found on momondo in the last 72 hours is $868.

The fastest flight from Boston to Porto Alegre takes 16h 36m

There are no direct flights from Boston to Porto Alegre. There are no popular flight routes from Boston to Porto Alegre.

Search flight deals

Frequently asked questions about flying from Boston to Porto Alegre

How far is Boston Logan Intl to Porto Alegre Salgado Filho by plane?
There are 5155.0 mi between Boston Logan Intl and Porto Alegre Salgado Filho. Flights usually cover this in 16h 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 Porto Alegre Salgado Filho Airport?
Prices for flights from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport?
There are 4 operators available for flights from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport as of November 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport.
What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?
The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Boston to Porto Alegre?
momondo data reveals that the most frequently booked airline on the route from Boston to Porto Alegre is LATAM Airlines, representing 38% of all bookings. The subsequent popular airlines are Copa Airlines at 35%, Delta at 13%, and GOL at 13%.

Best airlines flying from Boston to Porto Alegre

Compare and see reviews for airlines that fly from Boston to Porto Alegre with momondo

Airline	Rating	Free Cancellation	Price
Copa Airlines	PriceFrom $445	Free Cancellation	Rating 7.6 1,554 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $722	Free Cancellation	Rating 7.4 1,971 reviews	Search LATAM Airlines flights
Delta	PriceFrom $765	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
GOL	PriceFrom $945	Free Cancellation	Rating 7.3 1,333 reviews	Search GOL flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Porto Alegre?

It is quick and easy to find Boston to Porto Alegre flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto Alegre that suits you.

Can I find flights from Boston to Porto Alegre with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Porto Alegre flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Porto Alegre?

Once all potential Boston to Porto Alegre flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Porto Alegre, momondo offers a useful price alert feature which will track prices for flights to Porto Alegre from Boston and alert you when they change.

An easier way to manage your Porto Alegre trip

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Cheap flights from Boston to Porto Alegre from $492

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 Porto Alegre departing on 12/10. 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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GOL flights from Boston to Porto Alegre

Our best GOL deals on Boston to Porto Alegre flight tickets

LATAM Airlines flights from Boston to Porto Alegre

Our best LATAM Airlines deals on Boston to Porto Alegre flight tickets

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How to get the cheapest flight ticket from Boston to Porto Alegre

What is the typical price of a round-trip flight between Boston and Porto Alegre?

What is the cheapest month to fly to Porto Alegre?

Can stopping save me money on Boston to Porto Alegre flights?

How have Boston to Porto Alegre flight prices changed over time?

What is the cheapest airline that flies from Boston Logan Intl to Porto Alegre Salgado Filho?

What airlines fly to Porto Alegre?

When to book flights from Boston to Porto Alegre

Cheap Boston to Porto Alegre (BOS to POA) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Porto Alegre

Best airlines flying from Boston to Porto Alegre

Compare and see reviews for airlines that fly from Boston to Porto Alegre with momondo

Why use momondo?

An easier way to manage your Porto Alegre 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Brazil

Airports servicing Rio Grande do Sul

Fly your favorite airline to Porto Alegre

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto Alegre

List of cabin classes available on flights landing in Porto Alegre. Availability may vary depending on flight origin and airline.

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