$345+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
POA — BOS
Aug 17 — Aug 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Porto Alegre to Boston with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Porto Alegre to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Porto Alegre to BostonExplore 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 July 18, 2026.
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 July 18, 2026.
This 123 Milhas deal was found by Cheapflights users on 7/14. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:45 pm
POA
- BOS
2 stops37h 25m
Multiple Airlines
Tue 10/68:45 am
BOS
- POA
2 stops25h 05m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$697
This Expedia deal was found by Cheapflights users on 7/16. 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.
Wed 10/2111:30 am
POA
- BOS
2 stops20h 40m
Multiple Airlines
Sun 11/14:20 pm
BOS
- POA
2 stops36h 20m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$804
This Expedia deal was found by Cheapflights users on 7/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:30 am
POA
- BOS
2 stops20h 20m
Multiple Airlines
Sun 11/15:45 pm
BOS
- POA
2 stops34h 55m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$846
This Avianca deal was found by Cheapflights users on 7/13. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:20 am
POA
- BOS
2 stops44h 50m
Avianca
Thu 10/158:45 am
BOS
- POA
2 stops34h 45m
Avianca
Deal found 7/13![Avianca logo]()
$896
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 8/266:40 am
POA
- BOS
1 stop25h 55m
Delta
Fri 10/27:10 am
BOS
- POA
2 stops22h 10m
Delta
Deal found 7/16![Delta logo]()
$897
This Delta deal was found by Cheapflights users on 7/16. 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.
Mon 8/247:05 pm
POA
- BOS
2 stops21h 17m
Delta
Fri 10/27:10 am
BOS
- POA
2 stops22h 10m
Delta
Deal found 7/16![Delta logo]()
$899
This LATAM Airlines deal was found by Cheapflights users on 7/15. 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.
Tue 7/289:40 pm
POA
- BOS
2 stops34h 55m
LATAM Airlines
Fri 11/68:55 am
BOS
- POA
1 stop21h 35m
LATAM Airlines
Deal found 7/15![LATAM Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 7/16. 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.
Sun 8/236:40 am
POA
- BOS
2 stops17h 56m
Delta
Fri 10/27:10 am
BOS
- POA
2 stops22h 10m
Delta
Deal found 7/16![Delta logo]()
$903
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 8/266:40 am
POA
- BOS
1 stop25h 55m
Delta
Sun 9/277:10 am
BOS
- POA
2 stops30h 05m
Delta
Deal found 7/16![Delta logo]()
$904
This LATAM Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 8/265:00 am
POA
- BOS
2 stops27h 35m
LATAM Airlines
Thu 10/13:05 pm
BOS
- POA
2 stops26h 10m
LATAM Airlines
Deal found 7/16![LATAM Airlines logo]()
$905
Best flights from Porto Alegre to BostonDiscover carefully curated flight deals from Porto Alegre to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
Discover carefully curated flight deals from Porto Alegre to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
This Delta deal was found by Cheapflights users on 7/16. 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.
Mon 8/247:05 pm
POA
- BOS
2 stops21h 17m
Delta
Tue 9/297:10 am
BOS
- POA
2 stops30h 05m
Delta
Deal found 7/16![Delta logo]()
$906
This GOL deal was found by Cheapflights users on 7/14. 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.
Wed 9/911:30 am
POA
- BOS
2 stops29h 17m
GOL
Sun 9/275:28 pm
BOS
- POA
2 stops21h 12m
GOL
Deal found 7/14![GOL logo]()
$936
This Copa Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 10/101:20 am
POA
- BOS
1 stop14h 19m
Copa Airlines
Mon 10/123:55 pm
BOS
- POA
1 stop31h 25m
Copa Airlines
Deal found 7/13![Copa Airlines logo]()
$999
This GOL deal was found by Cheapflights users on 7/13. 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.
Thu 7/3011:35 am
POA
- BOS
2 stops23h 31m
GOL
Sun 8/233:59 pm
BOS
- POA
2 stops31h 41m
GOL
Deal found 7/13![GOL logo]()
$995
This Copa Airlines deal was found by Cheapflights users on 7/13. 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.
Sun 9/201:20 am
POA
- BOS
1 stop22h 42m
Copa Airlines
Mon 10/53:55 pm
BOS
- POA
1 stop31h 25m
Copa Airlines
Deal found 7/13![Copa Airlines logo]()
$1,000
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 8/266:40 am
POA
- BOS
1 stop25h 55m
Delta
Wed 9/305:05 pm
BOS
- POA
2 stops17h 10m
Delta
Deal found 7/16![Delta logo]()
$1,006
This Delta deal was found by Cheapflights users on 7/16. 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 8/256:40 am
POA
- BOS
1 stop25h 55m
Delta
Sun 9/277:10 am
BOS
- POA
2 stops30h 05m
Delta
Deal found 7/16![Delta logo]()
$1,006
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 8/266:40 am
POA
- BOS
1 stop25h 55m
Delta
Sat 9/267:35 pm
BOS
- POA
2 stops33h 45m
Delta
Deal found 7/16![Delta logo]()
$1,007
This Delta deal was found by Cheapflights users on 7/16. 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.
Sat 8/227:05 pm
POA
- BOS
2 stops21h 17m
Delta
Tue 9/297:10 am
BOS
- POA
2 stops27h 05m
Delta
Deal found 7/16![Delta logo]()
$1,008
This Delta deal was found by Cheapflights users on 7/16. 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.
Thu 7/305:50 pm
POA
- BOS
1 stop14h 45m
Delta
Sun 8/237:55 am
BOS
- POA
2 stops21h 25m
Delta
Deal found 7/16![Delta logo]()
$1,009
This Delta deal was found by Cheapflights users on 7/16. 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.
Fri 8/286:40 am
POA
- BOS
2 stops17h 56m
Delta
Thu 10/11:32 pm
BOS
- POA
2 stops23h 43m
Delta
Deal found 7/16![Delta logo]()
$1,011
Last-minute flights from Porto Alegre to BostonDiscover last-minute flight deals from Porto Alegre to Boston. Data last updated July 18, 2026 and is based on user searches.
Discover last-minute flight deals from Porto Alegre to Boston. Data last updated July 18, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 7/15. 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.
Tue 7/289:40 pm
POA
- BOS
2 stops34h 55m
LATAM Airlines
Fri 11/68:55 am
BOS
- POA
1 stop21h 35m
LATAM Airlines
Deal found 7/15![LATAM Airlines logo]()
$901
This Expedia deal was found by Cheapflights users on 7/15. 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.
Fri 8/79:55 pm
POA
- BOS
1 stop34h 40m
LATAM Airlines
Thu 11/53:33 pm
BOS
- POA
2 stops37h 07m
LATAM Airlines
Deal found 7/15![LATAM Airlines logo]()
$924
This LATAM Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 8/225:00 am
POA
- BOS
2 stops19h 36m
LATAM Airlines
Thu 10/13:05 pm
BOS
- POA
2 stops26h 10m
LATAM Airlines
Deal found 7/16![LATAM Airlines logo]()
$915
This LATAM Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 8/225:00 am
POA
- BOS
2 stops19h 36m
LATAM Airlines
Sun 9/275:30 am
BOS
- POA
2 stops28h 45m
LATAM Airlines
Deal found 7/16![LATAM Airlines logo]()
$922
This Delta deal was found by Cheapflights users on 7/16. 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.
Sun 8/236:40 am
POA
- BOS
2 stops17h 56m
Delta
Fri 10/27:10 am
BOS
- POA
2 stops22h 10m
Delta
Deal found 7/16![Delta logo]()
$903
This Delta deal was found by Cheapflights users on 7/16. 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.
Sun 8/236:40 am
POA
- BOS
2 stops17h 56m
Delta
Mon 9/283:34 pm
BOS
- POA
2 stops21h 41m
Delta
Deal found 7/16![Delta logo]()
$910
This Delta deal was found by Cheapflights users on 7/16. 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.
Mon 8/247:05 pm
POA
- BOS
2 stops21h 17m
Delta
Fri 10/27:10 am
BOS
- POA
2 stops22h 10m
Delta
Deal found 7/16![Delta logo]()
$899
This Delta deal was found by Cheapflights users on 7/16. 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.
Mon 8/247:05 pm
POA
- BOS
2 stops29h 31m
Delta
Mon 9/283:34 pm
BOS
- POA
2 stops21h 41m
Delta
Deal found 7/16![Delta logo]()
$906
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 8/266:40 am
POA
- BOS
1 stop25h 55m
Delta
Fri 10/27:10 am
BOS
- POA
2 stops22h 10m
Delta
Deal found 7/16![Delta logo]()
$897
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 8/266:40 am
POA
- BOS
1 stop25h 55m
Delta
Mon 9/283:34 pm
BOS
- POA
2 stops21h 41m
Delta
Deal found 7/16![Delta logo]()
$904
This LATAM Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 8/265:00 am
POA
- BOS
2 stops27h 35m
LATAM Airlines
Thu 10/13:05 pm
BOS
- POA
2 stops26h 10m
LATAM Airlines
Deal found 7/16![LATAM Airlines logo]()
$905
This Avianca deal was found by Cheapflights users on 7/13. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:20 am
POA
- BOS
2 stops44h 50m
Avianca
Thu 10/158:45 am
BOS
- POA
2 stops34h 45m
Avianca
Deal found 7/13![Avianca logo]()
$896
One-way flights from Porto Alegre to BostonSearch for one-way flight options from Porto Alegre to Boston. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
Search for one-way flight options from Porto Alegre to Boston. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
This Avianca deal was found by Cheapflights users on 7/13. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:05 pm
POA
- BOS
2 stops18h 05m
Avianca
Deal found 7/13![Avianca logo]()
$345
This 123 Milhas deal was found by Cheapflights users on 7/13. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:45 pm
POA
- BOS
2 stops37h 25m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$378
This Copa Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 12/31:35 am
POA
- BOS
1 stop22h 27m
Copa Airlines
Deal found 7/14![Copa Airlines logo]()
$495
This Avianca deal was found by Cheapflights users on 7/13. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:20 am
POA
- BOS
2 stops44h 50m
Avianca
Deal found 7/13![Avianca logo]()
$542
This American Airlines deal was found by Cheapflights users on 7/12. 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 8/112:05 pm
POA
- BOS
2 stops25h 25m
American Airlines
Deal found 7/12![American Airlines logo]()
$550
This Copa Airlines deal was found by Cheapflights users on 7/13. 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.
Sun 9/131:20 am
POA
- BOS
1 stop14h 19m
Copa Airlines
Deal found 7/13![Copa Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Mon 8/311:55 pm
POA
- BOS
2 stops23h 10m
American Airlines
Deal found 7/13![American Airlines logo]()
$561
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 9/42:05 pm
POA
- BOS
2 stops24h 05m
American Airlines
Deal found 7/13![American Airlines logo]()
$575
This Copa Airlines deal was found by Cheapflights users on 7/16. 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 7/211:15 am
POA
- BOS
1 stop14h 19m
Copa Airlines
Deal found 7/16![Copa Airlines logo]()
$584
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Wed 9/25:05 pm
POA
- BOS
2 stops24h 05m
American Airlines
Deal found 7/13![American Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 7/14. 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 1/126:25 pm
POA
- BOS
2 stops22h 24m
American Airlines
Deal found 7/14![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 7/13. 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 9/36:25 pm
POA
- BOS
2 stops30h 01m
American Airlines
Deal found 7/13![American Airlines logo]()
$630
Find 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 July 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $697 (123 Milhas) |
One-way from | $345 (Avianca) |
Popular in | July |
Cheapest in | November |
Average price | $1,282 |
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 July 18, 2026.
Use the filters below to find and compare flights from Porto Alegre to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Mon 8/24
7:05 pm-3:22 pm
2 stops21h 17m
Boston Logan Intl
Tue 9/29
7:10 am-2:15 pm
2 stops30h 05m
$906
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Wed 9/9
11:30 am-3:47 pm
2 stops29h 17m
Boston Logan Intl
Sun 9/27
5:28 pm-3:40 pm
2 stops21h 12m
$936
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Thu 7/30
11:35 am-10:06 am
2 stops23h 31m
Boston Logan Intl
Sun 8/23
3:59 pm-12:40 am
2 stops31h 41m
$995
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Sat 10/10
1:20 am-2:39 pm
1 stop14h 19m
Boston Logan Intl
Mon 10/12
3:55 pm-12:20 am
1 stop31h 25m
$999
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Sun 9/20
1:20 am-11:02 pm
1 stop22h 42m
Boston Logan Intl
Mon 10/5
3:55 pm-12:20 am
1 stop31h 25m
$1,000
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Wed 8/26
6:40 am-7:35 am
1 stop25h 55m
Boston Logan Intl
Wed 9/30
5:05 pm-11:15 am
2 stops17h 10m
$1,006
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Tue 8/25
6:40 am-7:35 am
1 stop25h 55m
Boston Logan Intl
Sun 9/27
7:10 am-2:15 pm
2 stops30h 05m
$1,006
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Wed 8/26
6:40 am-7:35 am
1 stop25h 55m
Boston Logan Intl
Sat 9/26
7:35 pm-6:20 am
2 stops33h 45m
$1,007
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Sat 8/22
7:05 pm-3:22 pm
2 stops21h 17m
Boston Logan Intl
Tue 9/29
7:10 am-11:15 am
2 stops27h 05m
$1,008
Quickest round-trip
Porto AlegreBoston
POA - BOS
POABOS
Porto Alegre Salgado Filho
Thu 7/30
5:50 pm-7:35 am
1 stop14h 45m
Boston Logan Intl
Sun 8/23
7:55 am-6:20 am
2 stops21h 25m
$1,009
Showing 1-10 of 21 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Porto Alegre-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto Alegre-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto Alegre-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Porto Alegre-Boston flights, Cheapflights users trust FlightHub the most. FlightHub 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 Porto Alegre-Boston 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 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.
POA-BOS
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
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 July 18, 2026.
Get a feel of what it's like to fly with 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.
Boarding
7.8
Crew
8.1
Comfort
7.4
Overall
7.6
Entertainment
6.8
Food
6.9
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Boarding
7.8
Crew
8.1
Comfort
7.4
Overall
7.6
Entertainment
6.8
Food
6.9
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
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.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Cambridge
Concord
Brockton
Seekonk
Hampton Beach
Cranston
Dedham
Warwick
Peabody
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Sandwich
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 18, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Porto Alegre to Boston by cabin class
Find flights from Porto Alegre to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Porto Alegre and Boston flights
Browse other Porto Alegre and Boston flight options. Last updated on July 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$580 | Average$946 | FlexibilityNo cancel fee | On-time70% |