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Porto Alegre

$345+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — POA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$581
(LATAM Airlines)

One-way from

$345
(GOL)

Popular in

August

Cheapest in

June

Average price

$679
Provider with most accurate pricing for Boston Logan Intl-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Porto Alegre Salgado Filho flights.
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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 ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:55 amBOS - POA
2 stops30h 35mGOL
Wed 12/1711:40 amPOA - BOS
2 stops20h 55mGOL
Deal found 10/29$767
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/241:30 pmBOS - POA
2 stops24h 50mUnited Airlines
Mon 12/85:10 pmPOA - BOS
2 stops19h 28mUnited Airlines
Deal found 10/30$810
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:25 amBOS - POA
2 stops22h 05mLATAM Airlines
Fri 11/76:00 pmPOA - BOS
2 stops20h 35mLATAM Airlines
Deal found 10/29$817
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:56 amBOS - POA
2 stops34h 49mGOL
Wed 12/2411:40 amPOA - BOS
2 stops20h 55mGOL
Deal found 10/29$833
This Gotogate deal was found by Cheapflights users on 10/30. 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.
Mon 11/248:55 amBOS - POA
1 stop21h 15mMultiple Airlines
Sun 12/71:35 amPOA - BOS
1 stop23h 05mMultiple Airlines
Deal found 10/30$844
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 11/268:55 amBOS - POA
1 stop13h 45mMultiple Airlines
Mon 12/159:35 amPOA - BOS
2 stops23h 00mMultiple Airlines
Deal found 10/29$860
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:05 pmBOS - POA
2 stops23h 55mLATAM Airlines
Mon 12/156:40 amPOA - BOS
2 stops30h 32mLATAM Airlines
Deal found 10/29$875
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:55 amBOS - POA
1 stop13h 45mLATAM Airlines
Mon 12/156:40 amPOA - BOS
2 stops30h 32mLATAM Airlines
Deal found 10/29$877
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:40 amBOS - POA
2 stops22h 50mLATAM Airlines
Tue 12/234:40 amPOA - BOS
2 stops32h 29mLATAM Airlines
Deal found 10/29$878

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 October 30, 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

Tue 3/24

3:50 pm-5:00 pm

2 stops24h 10m

Porto Alegre Salgado Filho

Thu 3/26

6:40 am-11:29 pm

2 stops17h 49m

$581

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 11/24

1:30 pm-4:20 pm

2 stops24h 50m

Porto Alegre Salgado Filho

Mon 12/8

5:10 pm-10:38 am

2 stops19h 28m

$810

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 11/24

8:55 am-8:10 am

1 stop21h 15m

Porto Alegre Salgado Filho

Sun 12/7

1:35 am-10:40 pm

1 stop23h 05m

$844

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 11/27

3:05 pm-5:00 pm

2 stops23h 55m

Porto Alegre Salgado Filho

Mon 12/15

6:40 am-11:12 am

2 stops30h 32m

$875

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 11/26

8:55 am-9:05 am

2 stops22h 10m

Porto Alegre Salgado Filho

Mon 12/15

6:40 am-11:12 am

2 stops30h 32m

$877

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sun 11/16

5:40 am-6:30 am

2 stops22h 50m

Porto Alegre Salgado Filho

Tue 12/23

4:40 am-11:09 am

2 stops32h 29m

$878

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 11/26

8:55 am-12:40 am

1 stop13h 45m

Porto Alegre Salgado Filho

Thu 12/18

7:45 am-1:27 am

2 stops19h 42m

$888

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 11/24

8:55 am-12:45 am

1 stop13h 50m

Porto Alegre Salgado Filho

Fri 12/19

12:55 pm-6:35 am

2 stops19h 40m

$921

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Fri 11/28

8:55 am-9:20 am

1 stop22h 25m

Porto Alegre Salgado Filho

Fri 12/19

12:55 pm-6:35 am

2 stops19h 40m

$922

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 11/26

8:55 am-12:40 am

1 stop13h 45m

Porto Alegre Salgado Filho

Tue 12/16

5:55 pm-11:12 am

2 stops19h 17m

$983

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 16 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 month to book a flight from Massachusetts to Porto Alegre?

Currently, June is the cheapest month in which you can book a flight from Massachusetts to Porto Alegre (average of $202). Flying from Massachusetts to Porto Alegre in August is currently the most expensive (average of $585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 October 30, 2025.

It’s typically best to fly out from Massachusetts to Porto Alegre in the evening. Doing so could potentially save you 42% on the flight price compared to flying in the morning, which is usually more expensive.

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 $581, LATAM Airlines can have you in Porto Alegre from Massachusetts in 24h 10m. 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.

  • What are the cheapest airlines to fly from Massachusetts to Porto Alegre one-way?

    To fly one-way, consider booking your trip with GOL, which is currently one of the cheapest options available, starting at $345. Delta flights start at $345 while deals on LATAM Airlines start at $514 one-way.

  • 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.

  • What is the cheapest month to book a flight from Massachusetts to Porto Alegre?

    Currently, June is the cheapest month in which you can book a flight from Massachusetts to Porto Alegre (average of $202). Flying from Massachusetts to Porto Alegre in August is currently the most expensive (average of $585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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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Top 6 airlines flying from Massachusetts to Porto Alegre

Discover the top 6 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$334Average$547FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$486Average$697FlexibilityNo cancel feeOn-time70%
DeltaCheapest$498Average$688FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$501Average$664FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$510Average$697FlexibilityNo cancel feeOn-time71%
GOLCheapest$712Average$863FlexibilityNo cancel feeOn-time74%

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