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$306+ Cheap flights from Porto Alegre (POA) to Boston (BOS)

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
POA — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Porto Alegre Salgado Filho to Boston Logan Intl are usually found in June or September, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Porto Alegre to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$503
(LATAM Airlines)

One-way from

$306
(Copa Airlines)

Popular in

December

Cheapest in

June

Average price

$546
From Porto Alegre Salgado Filho to Boston Logan Intl
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One-way flight from Porto Alegre Salgado Filho to Boston Logan Intl
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Highest demand for flights based on searches. 15% potential increase in price ($153 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Porto Alegre to Boston

Cheapest flights from Porto Alegre to Boston
Explore the most affordable flight options available from Porto Alegre to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This LATAM Airlines deal was found by Cheapflights users on 6/9. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:05 amPOA - BOS
1 stop21h 30mLATAM Airlines
Thu 10/309:55 amBOS - POA
1 stop22h 20mLATAM Airlines
Deal found 6/9$503
This Copa Airlines deal was found by Cheapflights users on 6/11. 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 9/31:27 amPOA - BOS
1 stop18h 55mCopa Airlines
Sun 9/218:41 amBOS - POA
1 stop14h 39mCopa Airlines
Deal found 6/11$524
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:40 amPOA - BOS
2 stops18h 19mDelta
Fri 10/248:30 pmBOS - POA
2 stops32h 55mDelta
Deal found 6/10$576
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 9/96:35 pmPOA - BOS
2 stops25h 14mAmerican Airlines
Tue 9/235:18 pmBOS - POA
2 stops19h 07mAmerican Airlines
Deal found 6/12$616
This Agoda.com deal was found by Cheapflights users on 6/12. 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/81:27 amPOA - BOS
1 stop18h 55mMultiple Airlines
Tue 9/235:00 pmBOS - POA
2 stops23h 00mMultiple Airlines
Deal found 6/12$662
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/102:40 pmPOA - BOS
2 stops20h 55mUnited Airlines
Tue 9/237:12 pmBOS - POA
2 stops17h 28mUnited Airlines
Deal found 6/12$704
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:05 amPOA - BOS
2 stops26h 06mGOL
Fri 10/241:43 pmBOS - POA
2 stops25h 32mGOL
Deal found 6/11$725
This Air Canada deal was found by Cheapflights users on 6/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:30 pmPOA - BOS
2 stops21h 42mAir Canada
Wed 11/56:10 amBOS - POA
2 stops32h 40mAir Canada
Deal found 6/9$878

Cheapflights Fare Finder

Customize your flight search to find flights from Porto Alegre to Boston 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 June 12, 2025.
Use the filters below to find and compare flights from Porto Alegre to Boston that are best for you.

Fly from

Porto Alegre

Fly to

Boston

Route

Depart

Return

Price

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Fri 10/24

11:05 am-7:35 am

1 stop21h 30m

Boston Logan Intl

Thu 10/30

9:55 am-9:15 am

1 stop22h 20m

$503

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Wed 9/3

1:27 am-7:22 pm

1 stop18h 55m

Boston Logan Intl

Sun 9/21

8:41 am-12:20 am

1 stop14h 39m

$524

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 9/9

6:40 am-11:59 pm

2 stops18h 19m

Boston Logan Intl

Fri 10/24

8:30 pm-6:25 am

2 stops32h 55m

$576

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 9/9

6:35 pm-6:49 pm

2 stops25h 14m

Boston Logan Intl

Tue 9/23

5:18 pm-1:25 pm

2 stops19h 07m

$616

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Mon 9/8

1:27 am-7:22 pm

1 stop18h 55m

Boston Logan Intl

Tue 9/23

5:00 pm-5:00 pm

2 stops23h 00m

$662

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Wed 9/10

2:40 pm-10:35 am

2 stops20h 55m

Boston Logan Intl

Tue 9/23

7:12 pm-1:40 pm

2 stops17h 28m

$704

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 9/9

11:05 am-12:11 pm

2 stops26h 06m

Boston Logan Intl

Fri 10/24

1:43 pm-4:15 pm

2 stops25h 32m

$725

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Thu 10/30

3:30 pm-12:12 pm

2 stops21h 42m

Boston Logan Intl

Wed 11/5

6:10 am-4:50 pm

2 stops32h 40m

$878

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Wed 10/29

1:37 am-7:20 pm

1 stop18h 43m

$306

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Thu 10/30

7:35 pm-4:11 pm

2 stops21h 36m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 results
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Best time to book a flight from Porto Alegre to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Porto Alegre 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 Porto Alegre to Boston

How far ahead should I book a flight from Porto Alegre to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Porto Alegre to Boston. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Porto Alegre to Boston, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Porto Alegre to Boston (average of $218). Flying from Porto Alegre to Boston in June is currently the most expensive (average of $306). 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 POA to BOS?

Find hourly flight availability from Porto Alegre to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Porto Alegre to Boston in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
GOL
7.3
Good
1,073 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines flying from Porto Alegre to Boston round-trip?

    According to our current data, LATAM Airlines ($503), Copa Airlines ($524), and Delta ($576) offers the cheapest pricing from Porto Alegre to Boston. LATAM Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $306 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on American Airlines and Avianca, with prices starting from $321 and $422, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto Alegre to Boston 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 Porto Alegre to Boston?

    Currently, January is the cheapest month in which you can book a flight from Porto Alegre to Boston (average of $218). Flying from Porto Alegre to Boston in June is currently the most expensive (average of $306). 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.

See more FAQs

Traveling to a place near Porto Alegre?

Book flights to Porto Alegre if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

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Top airline flying from Porto Alegre to Boston

Discover the top airline that operate flights from Porto Alegre to Boston. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$624Average$855FlexibilityNo cancel feeOn-time69%

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