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Porto Alegre

$307+ Cheap flights from Massachusetts to Porto Alegre (POA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — POA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Massachusetts to Porto Alegre

Keep the following information in mind while searching for Massachusetts to Porto Alegre flight deals. Data was last updated September 16, 2025.

Round-trip from

$584
(Copa Airlines)

One-way from

$307
(United Airlines)

Popular in

August

Cheapest in

June

Average price

$654
From Massachusetts to Porto Alegre Salgado Filho
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One-way flight from Massachusetts to Porto Alegre Salgado Filho
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Highest demand for flights based on searches. 14% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Massachusetts to Porto Alegre

Cheapest flights from Massachusetts to Porto Alegre
Explore the most affordable flight options available from Massachusetts to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Copa Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:41 amBOS - POA
1 stop14h 39mCopa Airlines
Sun 10/51:25 amPOA - BOS
1 stop22h 28mCopa Airlines
Deal found 9/15$530
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:16 pmBOS - POA
2 stops20h 54mUnited Airlines
Mon 10/65:10 pmPOA - BOS
2 stops26h 46mUnited Airlines
Deal found 9/15$547
This Copa Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:41 amBOS - POA
1 stop14h 39mCopa Airlines
Wed 10/291:30 amPOA - BOS
1 stop22h 32mCopa Airlines
Deal found 9/16$584
This Copa Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:41 amBOS - POA
1 stop14h 39mCopa Airlines
Tue 11/41:35 amPOA - BOS
1 stop22h 28mCopa Airlines
Deal found 9/14$604
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:53 amBOS - POA
2 stops27h 42mUnited Airlines
Sun 11/94:05 pmPOA - BOS
2 stops24h 24mUnited Airlines
Deal found 9/15$622
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:53 amBOS - POA
2 stops27h 42mUnited Airlines
Thu 11/63:25 pmPOA - BOS
2 stops19h 49mUnited Airlines
Deal found 9/16$623
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:41 amBOS - POA
1 stop14h 39mCopa Airlines
Sat 11/11:35 amPOA - BOS
1 stop13h 49mCopa Airlines
Deal found 9/16$637
This Copa Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:41 amBOS - POA
1 stop14h 39mCopa Airlines
Sun 10/191:25 amPOA - BOS
1 stop22h 28mCopa Airlines
Deal found 9/15$638
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:16 amBOS - POA
2 stops41h 04mMultiple Airlines
Tue 11/41:35 amPOA - BOS
1 stop22h 28mMultiple Airlines
Deal found 9/16$639
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:24 pmBOS - POA
2 stops45h 46mUnited Airlines
Thu 10/163:25 pmPOA - BOS
2 stops43h 31mUnited Airlines
Deal found 9/15$640
This Gotogate deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:00 amBOS - POA
2 stops30h 25mGOL
Tue 10/1411:05 amPOA - BOS
2 stops45h 10mGOL
Deal found 9/16$656

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Massachusetts to Porto Alegre that are best for you.

Fly from

Massachusetts

Fly to

Porto Alegre

Route

Depart

Return

Price

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 10/15

8:41 am-12:20 am

1 stop14h 39m

Porto Alegre Salgado Filho

Wed 10/29

1:30 am-11:02 pm

1 stop22h 32m

$584

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 10/22

8:41 am-12:20 am

1 stop14h 39m

Porto Alegre Salgado Filho

Tue 11/4

1:35 am-10:03 pm

1 stop22h 28m

$604

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 10/22

11:02 am-2:35 pm

2 stops26h 33m

Porto Alegre Salgado Filho

Thu 11/6

2:05 pm-9:14 am

2 stops21h 09m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/23

10:00 am-4:10 pm

2 stops29h 10m

Porto Alegre Salgado Filho

Thu 11/20

2:05 pm-4:10 pm

2 stops28h 05m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/23

10:00 am-4:10 pm

2 stops29h 10m

Porto Alegre Salgado Filho

Fri 11/14

5:10 pm-5:43 pm

2 stops26h 33m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/23

1:35 pm-2:35 pm

2 stops24h 00m

Porto Alegre Salgado Filho

Thu 11/6

2:05 pm-4:10 pm

2 stops28h 05m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/30

6:00 am-2:20 pm

2 stops31h 20m

Porto Alegre Salgado Filho

Fri 11/14

5:10 pm-5:43 pm

2 stops26h 33m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 10/22

9:53 am-2:35 pm

2 stops27h 42m

Porto Alegre Salgado Filho

Mon 11/3

3:25 pm-10:34 am

2 stops21h 09m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 10/22

9:53 am-6:20 pm

2 stops31h 27m

Porto Alegre Salgado Filho

Wed 11/5

5:10 pm-9:14 am

2 stops18h 04m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/23

10:00 am-2:35 pm

2 stops27h 35m

Porto Alegre Salgado Filho

Tue 11/18

3:25 pm-5:43 pm

2 stops28h 18m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 23 results
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Best time to book a flight from Massachusetts to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Porto Alegre

What is the cheapest time of day to fly from MA to POA?

Find hourly flight availability from Massachusetts to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Massachusetts to Porto Alegre, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto Alegre from Massachusetts?

    Located just 4.0 mi from the city center, Porto Alegre Salgado Filho (POA) is the airport most travelers will use when flying to Porto Alegre from Massachusetts.

  • How long is the flight from Massachusetts to Porto Alegre?

    For as low as $584, Copa Airlines can have you in Porto Alegre from Massachusetts in 14h 39m. The distance from Massachusetts to Porto Alegre is about 5153 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Massachusetts to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Porto Alegre flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Porto Alegre.

  • Can I find deals for business class flights from Massachusetts to Porto Alegre?

    Yes. Cheapflights offers flight deals from Massachusetts to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Massachusetts to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Santa Maria flights
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San Francisco to Santa Maria flights
Oakland to Porto Alegre flights

Top 5 airlines flying from Massachusetts to Porto Alegre

Discover the top 5 airlines that operate flights from Massachusetts to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$291Average$653FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$450Average$673FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$501Average$647FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$510Average$684FlexibilityNo cancel feeOn-time71%
GOLCheapest$712Average$956FlexibilityNo cancel feeOn-time74%

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