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Porto Alegre

$393+ 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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — POA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:55 amBOS - POA
1 stop13h 45mMultiple Airlines
Sat 1/37:45 amPOA - BOS
2 stops19h 29mMultiple Airlines
Deal found 12/17$1,681
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:36 amBOS - POA
3 stops20h 19mAmerican Airlines
Sat 1/37:30 pmPOA - BOS
2 stops16h 06mAmerican Airlines
Deal found 12/17$3,346

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$617
(Trip.com)

One-way from

$393
(LATAM Airlines)

Popular in

December

Cheapest in

June

Average price

$1,368
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
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($157 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 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 3/17

8:55 am-6:20 pm

2 stops32h 25m

Porto Alegre Salgado Filho

Tue 3/31

3:25 pm-7:15 am

2 stops40h 50m

$617

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 4/13

2:18 pm-8:05 pm

2 stops28h 47m

Porto Alegre Salgado Filho

Mon 4/20

9:45 am-7:15 am

2 stops22h 30m

$672

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/2

8:55 am-11:35 am

1 stop24h 40m

Porto Alegre Salgado Filho

Thu 3/12

1:40 pm-7:35 am

2 stops42h 55m

$682

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/2

8:55 am-12:40 am

1 stop13h 45m

Porto Alegre Salgado Filho

Thu 3/12

5:55 pm-7:35 am

1 stop14h 40m

$713

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 4/1

9:55 am-2:10 am

1 stop15h 15m

Porto Alegre Salgado Filho

Wed 4/8

5:50 pm-7:35 am

1 stop14h 45m

$713

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 4/1

9:55 am-2:10 am

1 stop15h 15m

Porto Alegre Salgado Filho

Wed 4/8

5:50 pm-7:35 am

1 stop14h 45m

$713

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 3/17

3:50 pm-5:05 pm

2 stops24h 15m

Porto Alegre Salgado Filho

Tue 3/31

4:15 pm-7:35 am

1 stop16h 20m

$717

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/2

1:03 pm-11:35 am

2 stops20h 32m

Porto Alegre Salgado Filho

Thu 3/12

7:45 am-1:13 am

2 stops18h 28m

$726

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Fri 12/26

8:55 am-12:50 pm

2 stops25h 55m

$393

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sat 12/27

1:45 pm-5:00 pm

2 stops25h 15m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 11 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 January is currently the most expensive (average of $594). 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 December 18, 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.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $291. LATAM Airlines flights start at $308 while deals on Delta start at $309 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 January is currently the most expensive (average of $594). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$334Average$547FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$486Average$691FlexibilityNo cancel feeOn-time70%
DeltaCheapest$498Average$712FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$501Average$668FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$510Average$669FlexibilityNo cancel feeOn-time71%
GOLCheapest$712Average$835FlexibilityNo cancel feeOn-time74%

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