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Cheap flights from Massachusetts to Porto Alegre from $352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Porto Alegre departing on 6/24. 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

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Find the cheapest flights from Massachusetts to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
8:52 am - 12:20 am
BOS
-
POA
14h 28m
1 stop
Copa Airlines Logo
1:20 am - 2:44 pm
POA
-
BOS
14h 24m
1 stop
$716Copa Airlines
Wed, May 13 - Tue, May 26
LATAM Airlines Logo
9:55 am - 11:05 pm
BOS
-
POA
36h 10m
2 stops
LATAM Airlines Logo
9:55 pm - 11:31 pm
POA
-
BOS
26h 36m
2 stops
$809LATAM Airlines
Wed, May 13 - Wed, May 27
LATAM Airlines Logo
9:55 am - 4:55 pm
BOS
-
POA
30h 00m
2 stops
LATAM Airlines Logo
5:50 pm - 4:00 pm
POA
-
BOS
23h 10m
2 stops
$857LATAM Airlines
Wed, May 13 - Wed, May 27
Copa Airlines Logo
8:52 am - 12:20 am
BOS
-
POA
14h 28m
1 stop
Copa Airlines Logo
1:20 am - 2:44 pm
POA
-
BOS
14h 24m
1 stop
$859Copa Airlines
Thu, May 14 - Tue, May 26
Delta Logo
9:55 am - 9:20 am
BOS
-
POA
22h 25m
1 stop
Delta Logo
7:05 pm - 3:08 pm
POA
-
BOS
21h 03m
2 stops
$879Delta
Wed, May 13 - Tue, May 26
Delta Logo
9:55 am - 2:15 pm
BOS
-
POA
27h 20m
1 stop
Delta Logo
5:50 pm - 11:10 am
POA
-
BOS
18h 20m
2 stops
$882Delta
Thu, May 14 - Wed, May 27
LATAM Airlines Logo
9:55 am - 8:10 am
BOS
-
POA
21h 15m
1 stop
LATAM Airlines Logo
7:05 pm - 3:20 pm
POA
-
BOS
21h 15m
2 stops
$885LATAM Airlines
Sun, May 24 - Mon, Jun 8
LATAM Airlines Logo
9:55 am - 8:10 am
BOS
-
POA
21h 15m
1 stop
LATAM Airlines Logo
11:00 am - 11:14 am
POA
-
BOS
25h 14m
2 stops
$887LATAM Airlines
Sun, May 24 - Sat, Jun 13
LATAM Airlines Logo
9:55 am - 8:10 am
BOS
-
POA
21h 15m
1 stop
LATAM Airlines Logo
4:45 am - 11:35 pm
POA
-
BOS
19h 50m
2 stops
$888LATAM Airlines
Sun, May 24 - Wed, Jun 10
LATAM Airlines Logo
1:29 pm - 1:00 pm
BOS
-
POA
22h 31m
2 stops
LATAM Airlines Logo
7:05 pm - 4:00 pm
POA
-
BOS
21h 55m
2 stops
$889LATAM Airlines
Sun, May 17 - Sun, May 31

Copa Airlines flights from Massachusetts to Porto Alegre

Our best Copa Airlines deals on Massachusetts to Porto Alegre flight tickets
Copa Airlines
Aug 26
BOS3:57 pmBoston Logan Intl
31h 18m
1 stop
POA12:15 amPorto Alegre Salgado Filho
Sep 8
POA1:20 amPorto Alegre Salgado Filho
22h 42m
1 stop
BOS11:02 pmBoston Logan Intl
$685
Copa Airlines
May 13
BOS8:52 amBoston Logan Intl
14h 28m
1 stop
POA12:20 amPorto Alegre Salgado Filho
May 26
POA1:20 amPorto Alegre Salgado Filho
14h 24m
1 stop
BOS2:44 pmBoston Logan Intl
$716
Copa Airlines
Oct 24
BOS8:47 amBoston Logan Intl
14h 33m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Nov 9
POA1:45 amPorto Alegre Salgado Filho
22h 18m
1 stop
BOS10:03 pmBoston Logan Intl
$753

LATAM Airlines flights from Massachusetts to Porto Alegre

Our best LATAM Airlines deals on Massachusetts to Porto Alegre flight tickets
LATAM Airlines
May 11
BOS5:05 pmBoston Logan Intl
20h 10m
2 stops
POA2:15 pmPorto Alegre Salgado Filho
May 25
POA4:10 amPorto Alegre Salgado Filho
20h 21m
2 stops
BOS11:31 pmBoston Logan Intl
$749
LATAM Airlines
May 11
BOS5:05 pmBoston Logan Intl
20h 10m
2 stops
POA2:15 pmPorto Alegre Salgado Filho
May 26
POA7:05 pmPorto Alegre Salgado Filho
21h 03m
2 stops
BOS3:08 pmBoston Logan Intl
$779
LATAM Airlines
May 11
BOS3:20 pmBoston Logan Intl
21h 55m
2 stops
POA2:15 pmPorto Alegre Salgado Filho
May 26
POA7:05 pmPorto Alegre Salgado Filho
21h 03m
2 stops
BOS3:08 pmBoston Logan Intl
$780

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to Porto Alegre 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 May 9, 2026.
Use the filters below to find and compare flights from Massachusetts to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 5/13

8:52 am-12:20 am

1 stop14h 28m

Porto Alegre Salgado Filho

Tue 5/26

1:20 am-2:44 pm

1 stop14h 24m

$716

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 5/13

9:55 am-11:05 pm

2 stops36h 10m

Porto Alegre Salgado Filho

Wed 5/27

9:55 pm-11:31 pm

2 stops26h 36m

$809

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 5/13

9:55 am-4:55 pm

2 stops30h 00m

Porto Alegre Salgado Filho

Wed 5/27

5:50 pm-4:00 pm

2 stops23h 10m

$857

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 5/14

8:52 am-12:20 am

1 stop14h 28m

Porto Alegre Salgado Filho

Tue 5/26

1:20 am-2:44 pm

1 stop14h 24m

$859

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 5/13

9:55 am-9:20 am

1 stop22h 25m

Porto Alegre Salgado Filho

Tue 5/26

7:05 pm-3:08 pm

2 stops21h 03m

$879

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 5/14

9:55 am-2:15 pm

1 stop27h 20m

Porto Alegre Salgado Filho

Wed 5/27

5:50 pm-11:10 am

2 stops18h 20m

$882

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sun 5/24

9:55 am-8:10 am

1 stop21h 15m

Porto Alegre Salgado Filho

Mon 6/8

7:05 pm-3:20 pm

2 stops21h 15m

$885

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sun 5/24

9:55 am-8:10 am

1 stop21h 15m

Porto Alegre Salgado Filho

Sat 6/13

11:00 am-11:14 am

2 stops25h 14m

$887

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sun 5/24

9:55 am-8:10 am

1 stop21h 15m

Porto Alegre Salgado Filho

Wed 6/10

4:45 am-11:35 pm

2 stops19h 50m

$888

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sun 5/17

1:29 pm-1:00 pm

2 stops22h 31m

Porto Alegre Salgado Filho

Sun 5/31

7:05 pm-4:00 pm

2 stops21h 55m

$889

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 Porto Alegre from

How to get the cheapest flight ticket from Massachusetts 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

What is the cheapest month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Massachusetts is in June. Flight prices, which tend to average around $202, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in June, then February is your next best option. Flight prices from Massachusetts to Porto Alegre during February average around $270.

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

You could potentially save up to 26% on your flight if you consider stops on a Massachusetts to Porto Alegre flight.

Cheap Massachusetts to Porto Alegre flight deals and tips

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

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from Massachusetts to Porto Alegre takes 13h 45m
There are no direct flights from Massachusetts to Porto Alegre. There are no popular flight routes from Massachusetts to Porto Alegre.
Search flight deals

Frequently asked questions about flying from Massachusetts to Porto Alegre

  • When did momondo last update prices for flights from Massachusetts to Porto Alegre Salgado Filho Airport?

    Prices for flights from Massachusetts to Porto Alegre Salgado Filho Airport were last updated today.

  • How many operators does momondo search for flights from Massachusetts to Porto Alegre Salgado Filho Airport?

  • How old do you have to be to fly from Massachusetts to Porto Alegre Salgado Filho Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Porto Alegre Salgado Filho Airport.

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

    The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Massachusetts to Porto Alegre

Compare and see reviews for airlines that fly from Massachusetts to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $270Free CancellationRating
7.5
1,584 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
9,693 reviews
Search United Airlines flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,457 reviews
Search Delta flights
GOLPriceFrom $622Free CancellationRating
7.3
1,215 reviews
Search GOL flights
LATAM AirlinesPriceFrom $720Free CancellationRating
7.4
1,917 reviews
Search LATAM Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Massachusetts to Porto Alegre for you.

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

All flight searches from Massachusetts to Porto Alegre on momondo can be filtered to show those which offer flexible booking policies.

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

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 Porto Alegre from Massachusetts.

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

Price alerts on flights to Porto Alegre from Massachusetts 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.

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