What airlines fly to Porto Alegre?

Copa Airlines, LATAM Airlines and Delta are the top three most popular airlines that fly to Porto Alegre from Boston according to our data. Copa Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Porto Alegre. Keep in mind that there are 5 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 5 operators available for flights from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport as of September 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.

$424 Cheap Flights from Boston to Porto Alegre in 2026/27

Discover deals from 900+ travel sites with momondo.

Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from Boston to Porto Alegre

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

$711Copa Airlines

Tue, Nov 10 - Tue, Nov 17

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

$711Copa Airlines

Mon, Nov 9 - Tue, Nov 17

5:07 pm - 9:45 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

26h 38m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

3:30 am - 6:45 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

29h 15m1 stop Sao Paulo Guarulhos Intl

$749LATAM Airlines

Fri, Nov 13 - Fri, Nov 20

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

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

7:40 pm - 6:35 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

36h 55m2 stops Sao Paulo Guarulhos Intl Bogotá El Dorado

$754Multiple Airlines

Sat, Nov 7 - Sun, Nov 15

7:55 am - 8:10 amBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

22h 15m2 stops Bogotá El Dorado Rio de Janeiro–Galeão Intl

9:15 pm - 6:35 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

35h 20m2 stops Rio de Janeiro–Galeão Intl Bogotá El Dorado

$757GOL

Tue, Nov 3 - Tue, Nov 10

7:55 am - 11:50 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

37h 55m2 stops Bogotá El Dorado Sao Paulo Guarulhos Intl

5:30 pm - 6:35 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

39h 05m2 stops Brasilia Bogotá El Dorado

$781GOL

Thu, Nov 12 - Thu, Nov 19

5:07 pm - 9:45 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

26h 38m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

5:40 pm - 10:23 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

42h 43m3 stops Santiago Arturo Merino Benitez Buenos Aires Ministro Pistarini Miami

$796LATAM Airlines

Fri, Nov 13 - Sat, Nov 21

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

$806Delta

Fri, Mar 12 - Thu, Mar 25

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

$806Delta

Fri, Mar 12 - Sat, Mar 27

8:45 am - 12:15 pmBOS Boston Logan Intl-POA Porto Alegre Salgado Filho

26h 30m2 stops Bogotá El Dorado Rio de Janeiro–Galeão Intl

4:05 am - 6:50 amPOA Porto Alegre Salgado Filho-BOS Boston Logan Intl

51h 45m2 stops Rio de Janeiro–Galeão Intl Bogotá El Dorado

$817Avianca

Tue, Oct 20 - Thu, Oct 22

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GOL flights from Boston to Porto Alegre

Our best GOL deals on Boston to Porto Alegre flight tickets

GOL

Nov 3

BOS7:55 amBoston Logan Intl

22h 15m

2 stops

POA8:10 amPorto Alegre Salgado Filho

Nov 10

POA9:15 pmPorto Alegre Salgado Filho

35h 20m

2 stops

BOS6:35 amBoston Logan Intl

$757

GOL

Nov 12

BOS7:55 amBoston Logan Intl

37h 55m

2 stops

POA11:50 pmPorto Alegre Salgado Filho

Nov 19

POA5:30 pmPorto Alegre Salgado Filho

39h 05m

2 stops

BOS6:35 amBoston Logan Intl

$781

GOL

Nov 10

BOS7:55 amBoston Logan Intl

22h 15m

2 stops

POA8:10 amPorto Alegre Salgado Filho

Nov 18

POA11:45 amPorto Alegre Salgado Filho

20h 50m

2 stops

BOS6:35 amBoston Logan Intl

$792

Copa Airlines flights from Boston to Porto Alegre

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

Copa Airlines

Nov 9

BOS2:50 pmBoston Logan Intl

31h 35m

1 stop

POA12:25 amPorto Alegre Salgado Filho

Nov 17

POA1:30 amPorto Alegre Salgado Filho

22h 31m

1 stop

BOS10:01 pmBoston Logan Intl

$711

Copa Airlines

Nov 9

BOS2:50 pmBoston Logan Intl

31h 35m

1 stop

POA12:25 amPorto Alegre Salgado Filho

Nov 15

POA1:30 amPorto Alegre Salgado Filho

22h 31m

1 stop

BOS10:01 pmBoston Logan Intl

$725

Copa Airlines

Nov 3

BOS2:50 pmBoston Logan Intl

31h 35m

1 stop

POA12:25 amPorto Alegre Salgado Filho

Nov 9

POA1:30 amPorto Alegre Salgado Filho

13h 57m

1 stop

BOS1:27 pmBoston Logan Intl

$736

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 11/10

2:50 pm-12:25 am

1 stop31h 35m

Porto Alegre Salgado Filho

Tue 11/17

1:30 am-10:01 pm

1 stop22h 31m

$711

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Mon 11/9

2:50 pm-12:25 am

1 stop31h 35m

Porto Alegre Salgado Filho

Tue 11/17

1:30 am-10:01 pm

1 stop22h 31m

$711

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Fri 11/13

5:07 pm-9:45 pm

2 stops26h 38m

Porto Alegre Salgado Filho

Fri 11/20

3:30 am-6:45 am

1 stop29h 15m

$749

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Sat 11/7

7:55 am-10:15 am

2 stops24h 20m

Porto Alegre Salgado Filho

Sun 11/15

7:40 pm-6:35 am

2 stops36h 55m

$754

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Tue 11/3

7:55 am-8:10 am

2 stops22h 15m

Porto Alegre Salgado Filho

Tue 11/10

9:15 pm-6:35 am

2 stops35h 20m

$757

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Thu 11/12

7:55 am-11:50 pm

2 stops37h 55m

Porto Alegre Salgado Filho

Thu 11/19

5:30 pm-6:35 am

2 stops39h 05m

$781

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Fri 11/13

5:07 pm-9:45 pm

2 stops26h 38m

Porto Alegre Salgado Filho

Sat 11/21

5:40 pm-10:23 am

3 stops42h 43m

$796

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

$806

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

$806

BostonPorto Alegre

BOS Boston Logan Intl - POA Porto Alegre Salgado Filho

BOSPOA

Boston Logan Intl

Tue 10/20

8:45 am-12:15 pm

2 stops26h 30m

Porto Alegre Salgado Filho

Thu 10/22

4:05 am-6:50 am

2 stops51h 45m

$817

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 $642 to $940.
The lowest price recently found on this route was $711.

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 October is your next best option. Flight prices from Boston to Porto Alegre during October average around $736.

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

You could potentially save up to 10% 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	$424
Fastest flight time	14h 44m
Direct flights	None

The best one-way flight to Porto Alegre from Boston in the past 72 hours is $424. The best round-trip flight deal from Boston to Porto Alegre found on momondo in the last 72 hours is $711.

The fastest flight from Boston to Porto Alegre takes 14h 44m

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 14h 44m, 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 5 operators available for flights from Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport as of September 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 Copa Airlines, representing 35% of all bookings. The subsequent popular airlines are LATAM Airlines at 35%, Delta at 16%, and United Airlines at 8%.

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 $294	Free Cancellation	Rating 7.6 1,542 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $334	Free Cancellation	Rating 7.4 10,232 reviews	Search United Airlines flights
GOL	PriceFrom $622	Free Cancellation	Rating 7.3 1,310 reviews	Search GOL flights
Delta	PriceFrom $712	Free Cancellation	Rating 7.8 8,594 reviews	Search Delta flights
LATAM Airlines	PriceFrom $754	Free Cancellation	Rating 7.4 1,980 reviews	Search LATAM Airlines 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 $424

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 2/28. 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

Copa Airlines flights from Boston to Porto Alegre

Our best Copa 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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