$720+ Cheap flights from Boston (BOS) to Porto Alegre (POA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — POA
May 28 — Jun 41
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Porto Alegre with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Boston to Porto AlegreExplore the most affordable flight options available from Boston to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
Explore the most affordable flight options available from Boston to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
This LATAM Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 11/297:00 am
BOS
- POA
2 stops34h 15m
LATAM Airlines
Mon 11/304:45 am
POA
- BOS
2 stops20h 38m
LATAM Airlines
Deal found 4/26![LATAM Airlines logo]()
$720
This LATAM Airlines deal was found by Cheapflights users on 4/25. 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.
Thu 11/263:50 pm
BOS
- POA
2 stops22h 05m
LATAM Airlines
Sat 3/204:40 pm
POA
- BOS
1 stop14h 55m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$722
This LATAM Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 8/315:00 pm
BOS
- POA
2 stops20h 15m
LATAM Airlines
Mon 9/214:45 am
POA
- BOS
2 stops19h 40m
LATAM Airlines
Deal found 4/23![LATAM Airlines logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/48:52 am
BOS
- POA
1 stop14h 28m
Multiple Airlines
Mon 5/185:35 pm
POA
- BOS
2 stops40h 37m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$735
This Orbitz deal was found by Cheapflights users on 4/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:50 pm
BOS
- POA
2 stops26h 50m
LATAM Airlines
Sat 3/202:25 pm
POA
- BOS
1 stop17h 10m
LATAM Airlines
Deal found 4/27![LATAM Airlines logo]()
$748
This LATAM Airlines deal was found by Cheapflights users on 4/25. 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.
Thu 12/243:50 pm
BOS
- POA
2 stops22h 05m
LATAM Airlines
Sat 3/203:15 pm
POA
- BOS
1 stop16h 20m
LATAM Airlines
Deal found 4/25![LATAM Airlines logo]()
$772
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Fri 12/258:55 am
BOS
- POA
1 stop13h 45m
LATAM Airlines
Sat 3/205:50 pm
POA
- BOS
1 stop13h 45m
LATAM Airlines
Deal found 4/27![LATAM Airlines logo]()
$777
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/34:00 pm
BOS
- POA
1 stop31h 20m
Multiple Airlines
Sat 6/61:20 am
POA
- BOS
2 stops21h 22m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$782
Best flights from Boston to Porto AlegreDiscover carefully curated flight deals from Boston to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
Discover carefully curated flight deals from Boston to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
This Orbitz deal was found by Cheapflights users on 4/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:08 pm
BOS
- POA
2 stops26h 07m
Multiple Airlines
Mon 6/85:50 pm
POA
- BOS
2 stops23h 19m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$855
This SmartFares deal was found by Cheapflights users on 4/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:05 pm
BOS
- POA
2 stops20h 10m
LATAM Airlines
Tue 5/269:55 pm
POA
- BOS
1 stop34h 40m
LATAM Airlines
Deal found 4/27![LATAM Airlines logo]()
$973
This Copa Airlines deal was found by Cheapflights users on 4/26. 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 5/118:52 am
BOS
- POA
1 stop14h 28m
Copa Airlines
Mon 5/251:20 am
POA
- BOS
1 stop14h 24m
Copa Airlines
Deal found 4/26![Copa Airlines logo]()
$1,059
This oojo deal was found by Cheapflights users on 4/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:42 pm
BOS
- POA
2 stops21h 33m
Multiple Airlines
Mon 9/219:55 pm
POA
- BOS
1 stop34h 40m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$933
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Tue 5/128:45 am
BOS
- POA
2 stops24h 55m
Multiple Airlines
Tue 5/263:45 pm
POA
- BOS
3 stops28h 30m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$939
This Gurufare deal was found by Cheapflights users on 4/24. 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.
Thu 5/149:55 am
BOS
- POA
1 stop27h 20m
LATAM Airlines
Mon 6/17:25 am
POA
- BOS
2 stops30h 25m
LATAM Airlines
Deal found 4/24![LATAM Airlines logo]()
$1,037
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:38 am
BOS
- POA
2 stops32h 17m
Multiple Airlines
Mon 6/15:35 pm
POA
- BOS
2 stops40h 30m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$985
Last-minute flights from Boston to Porto AlegreDiscover last-minute flight deals from Boston to Porto Alegre. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Porto Alegre. Data last updated April 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/48:52 am
BOS
- POA
1 stop14h 28m
Multiple Airlines
Mon 5/185:35 pm
POA
- BOS
2 stops40h 37m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$735
This FlightHub deal was found by Cheapflights users on 4/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:08 pm
BOS
- POA
2 stops27h 07m
LATAM Airlines
Mon 5/187:25 am
POA
- BOS
2 stops41h 06m
LATAM Airlines
Deal found 4/26![LATAM Airlines logo]()
$829
This KAYAK deal was found by Cheapflights users on 4/26. 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 5/113:20 pm
BOS
- POA
2 stops21h 55m
LATAM Airlines
Tue 5/267:05 pm
POA
- BOS
2 stops21h 55m
LATAM Airlines
Deal found 4/26![LATAM Airlines logo]()
$833
This Copa Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 5/128:52 am
BOS
- POA
1 stop14h 28m
Copa Airlines
Mon 5/251:20 am
POA
- BOS
1 stop22h 48m
Copa Airlines
Deal found 4/27![Copa Airlines logo]()
$857
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Tue 5/128:45 am
BOS
- POA
2 stops24h 55m
Multiple Airlines
Tue 5/263:45 pm
POA
- BOS
3 stops28h 30m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$939
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:55 pm
BOS
- POA
2 stops44h 20m
LATAM Airlines
Mon 6/19:55 pm
POA
- BOS
2 stops26h 36m
LATAM Airlines
Deal found 4/26![LATAM Airlines logo]()
$866
This Orbitz deal was found by Cheapflights users on 4/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:08 pm
BOS
- POA
2 stops26h 07m
Multiple Airlines
Mon 6/85:50 pm
POA
- BOS
2 stops23h 19m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$855
This Mytrip deal was found by Cheapflights users on 4/26. 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.
Mon 5/185:10 am
BOS
- POA
2 stops33h 25m
Multiple Airlines
Thu 6/48:20 pm
POA
- BOS
3 stops26h 22m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$969
This Trip.com deal was found by Cheapflights users on 4/26. 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.
Tue 5/198:45 am
BOS
- POA
2 stops24h 30m
Multiple Airlines
Thu 6/44:50 pm
POA
- BOS
2 stops18h 15m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$846
One-way flights from Boston to Porto AlegreSearch for one-way flight options from Boston to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
Search for one-way flight options from Boston to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This BusinessClass deal was found by Cheapflights users on 4/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:00 pm
BOS
- POA
1 stop31h 20m
Copa Airlines
Deal found 4/25![Copa Airlines logo]()
$799
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/124:00 pm
BOS
- POA
3 stops55h 30m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$942
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/134:00 pm
BOS
- POA
3 stops42h 30m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,013
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Thu 5/144:00 pm
BOS
- POA
3 stops48h 45m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,368
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sun 5/108:52 am
BOS
- POA
2 stops20h 23m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,587
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/119:06 am
BOS
- POA
3 stops28h 59m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,849
This Arangrant deal was found by Cheapflights users on 4/25. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:52 am
BOS
- POA
1 stop14h 28m
Copa Airlines
Deal found 4/25![Copa Airlines logo]()
$2,061
This BusinessClass deal was found by Cheapflights users on 4/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:55 pm
BOS
- POA
2 stops19h 45m
Azul
Deal found 4/25![Azul logo]()
$2,221
Find flight deals from Boston to Porto Alegre
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Porto Alegre (POA). 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 April 28, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $732 (LATAM Airlines) |
Popular in | December |
Cheapest in | June |
Average price | $959 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 April 28, 2026.
Use the filters below to find and compare flights from Boston to Porto Alegre that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Mon 5/18
3:08 pm-6:15 pm
2 stops26h 07m
Porto Alegre Salgado Filho
Mon 6/8
5:50 pm-4:09 pm
2 stops23h 19m
$855
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Mon 8/31
12:42 pm-11:15 am
2 stops21h 33m
Porto Alegre Salgado Filho
Mon 9/21
9:55 pm-7:35 am
1 stop34h 40m
$933
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Tue 5/12
8:45 am-10:40 am
2 stops24h 55m
Porto Alegre Salgado Filho
Tue 5/26
3:45 pm-7:15 pm
3 stops28h 30m
$939
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Tue 5/12
5:05 pm-2:15 pm
2 stops20h 10m
Porto Alegre Salgado Filho
Tue 5/26
9:55 pm-7:35 am
1 stop34h 40m
$973
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Thu 5/14
7:38 am-4:55 pm
2 stops32h 17m
Porto Alegre Salgado Filho
Mon 6/1
5:35 pm-9:05 am
2 stops40h 30m
$985
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Thu 5/14
9:55 am-2:15 pm
1 stop27h 20m
Porto Alegre Salgado Filho
Mon 6/1
7:25 am-12:50 pm
2 stops30h 25m
$1,037
Quickest round-trip
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Mon 5/11
8:52 am-12:20 am
1 stop14h 28m
Porto Alegre Salgado Filho
Mon 5/25
1:20 am-2:44 pm
1 stop14h 24m
$1,059
Cheapest one-way
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Wed 5/13
4:00 pm-12:20 am
1 stop31h 20m
$799
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Wed 5/13
4:00 pm-11:30 am
3 stops42h 30m
$1,013
BostonPorto Alegre
BOS - POA
BOSPOA
Boston Logan Intl
Mon 5/11
9:06 am-3:05 pm
3 stops28h 59m
$1,849
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Boston to Porto Alegre
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Porto Alegre in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Porto Alegre flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boston-Porto Alegre flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Boston-Porto Alegre flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Porto Alegre flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Porto Alegre flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Porto Alegre
Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Boston with our price prediction graph.
BOS-POA
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 Boston to Porto Alegre
What is the cheapest month to book a flight from Boston to Porto Alegre?
Currently, June is the cheapest month in which you can book a flight from Boston to Porto Alegre (average of $486). Flying from Boston to Porto Alegre in December is currently the most expensive (average of $1,287). 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.
How much does it cost to fly round-trip from Boston to Porto Alegre?
Reviews of airlines servicing Porto Alegre
Get insights into the airlines that provide service to Porto Alegre. 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 Porto Alegre. Reviews last updated April 28, 2026.
Read reviews from past customers who have flown Delta,Copa Airlines, andLATAM Airlines from Boston to Porto Alegre. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Boston to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Search flights from Boston to Porto Alegre by cabin class
Find flights from Boston to Porto Alegre, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Porto Alegre flights
Browse other Boston and Porto Alegre flight options. Last updated on April 28, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto Alegre
Explore flights to Porto Alegre departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Top 5 airlines flying from Boston to Porto Alegre
Discover the top 5 airlines that operate flights from Boston 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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$270 | Average$679 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$334 | Average$547 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$575 | Average$915 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$622 | Average$716 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$720 | Average$1,024 | FlexibilityNo cancel fee | On-time81% |