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$317+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
POA — BOS
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 November or June, 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 julio 3, 2025.

Round-trip from

$544
(Copa Airlines)

One-way from

$317
(Copa Airlines)

Popular in

December

Cheapest in

November

Average price

$917
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. 2% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 3, 2025.

This Copa Airlines deal was found by Cheapflights users on 7/3. 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.
mié. 9/171:27 amPOA - BOS
1 stop18h 55mCopa Airlines
mar. 9/308:41 amBOS - POA
1 stop14h 39mCopa Airlines
Deal found 7/3$544
This United Airlines deal was found by Cheapflights users on 7/2. 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.
mié. 9/243:30 pmPOA - BOS
2 stops20h 01mUnited Airlines
mié. 10/155:30 amBOS - POA
2 stops34h 20mUnited Airlines
Deal found 7/2$607
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/68:10 amPOA - BOS
3 stops40h 38mMultiple Airlines
dom. 8/108:39 pmBOS - POA
2 stops26h 16mMultiple Airlines
Deal found 7/2$695
This American Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 11/257:35 pmPOA - BOS
2 stops17h 03mAmerican Airlines
vie. 12/57:25 pmBOS - POA
2 stops19h 00mAmerican Airlines
Deal found 7/1$711
This GOL deal was found by Cheapflights users on 7/2. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/185:10 amPOA - BOS
2 stops18h 07mGOL
mar. 9/306:29 pmBOS - POA
2 stops22h 21mGOL
Deal found 7/2$719
This Air Canada deal was found by Cheapflights users on 7/2. 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.
mié. 9/242:40 pmPOA - BOS
2 stops24h 50mAir Canada
mar. 10/146:00 amBOS - POA
2 stops30h 40mAir Canada
Deal found 7/2$823
This Delta deal was found by Cheapflights users on 7/1. 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.
jue. 11/206:20 pmPOA - BOS
1 stop14h 15mDelta
lun. 12/11:55 pmBOS - POA
2 stops22h 05mDelta
Deal found 7/1$995
This LATAM Airlines deal was found by Cheapflights users on 7/2. 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.
mié. 9/245:20 amPOA - BOS
2 stops27h 15mLATAM Airlines
lun. 10/139:55 amBOS - POA
1 stop22h 25mLATAM Airlines
Deal found 7/2$998

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 julio 3, 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

mié. 9/17

1:27 am-7:22 pm

1 stop18h 55m

Boston Logan Intl

mar. 9/30

8:41 am-12:20 am

1 stop14h 39m

$544

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mié. 9/24

3:30 pm-10:31 am

2 stops20h 01m

Boston Logan Intl

mié. 10/15

5:30 am-4:50 pm

2 stops34h 20m

$607

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mié. 8/6

8:10 am-11:48 pm

3 stops40h 38m

Boston Logan Intl

dom. 8/10

8:39 pm-11:55 pm

2 stops26h 16m

$695

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mar. 11/25

7:35 pm-10:38 am

2 stops17h 03m

Boston Logan Intl

vie. 12/5

7:25 pm-4:25 pm

2 stops19h 00m

$711

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

jue. 9/18

5:10 am-10:17 pm

2 stops18h 07m

Boston Logan Intl

mar. 9/30

6:29 pm-5:50 pm

2 stops22h 21m

$719

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mié. 9/24

2:40 pm-2:30 pm

2 stops24h 50m

Boston Logan Intl

mar. 10/14

6:00 am-1:40 pm

2 stops30h 40m

$823

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

jue. 11/20

6:20 pm-6:35 am

1 stop14h 15m

Boston Logan Intl

lun. 12/1

1:55 pm-2:00 pm

2 stops22h 05m

$995

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mié. 9/24

12:35 pm-7:35 am

1 stop20h 00m

Boston Logan Intl

jue. 10/16

9:55 am-9:20 am

1 stop22h 25m

$998

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mar. 10/28

1:30 am-11:24 pm

1 stop22h 54m

$317

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mar. 9/23

1:55 pm-12:11 pm

2 stops23h 16m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 17 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 27, 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 julio 3, 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.

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 julio 3, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines, and Copa Airlines from Porto Alegre to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
1,805 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
1,467 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
1,086 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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, Copa Airlines ($544), United Airlines ($607), and American Airlines ($711) offers the cheapest pricing from Porto Alegre to Boston. Copa Airlines is 27% 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?

    $317 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 GOL, with prices starting from $329 and $392, 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
Seabrook
Waltham
Framingham
Cranston
Randolph
Chestnut Hill
Chelsea
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea
Lincoln
Quincy

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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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$624Average$855FlexibilityNo cancel feeOn-time69%

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