$408+ Cheap flights from Porto Alegre (POA) to San Francisco (SFO)
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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SFO
Mar 23 — Mar 301
1 adult, Economy
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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
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Cheapest flights from Porto Alegre to San FranciscoExplore the most affordable flight options available from Porto Alegre to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.
Explore the most affordable flight options available from Porto Alegre to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/27:20 pm
POA
- SFO
2 stops22h 40m
American Airlines
Mon 4/276:15 am
SFO
- POA
2 stops25h 45m
American Airlines
Deal found 2/19![American Airlines logo]()
$763
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/27:20 pm
POA
- SFO
2 stops22h 40m
American Airlines
Wed 3/2511:32 am
SFO
- POA
2 stops26h 13m
American Airlines
Deal found 2/20![American Airlines logo]()
$777
This 123 Milhas deal was found by Cheapflights users on 2/17. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 pm
POA
- SFO
2 stops25h 39m
LATAM Airlines
Tue 10/272:00 pm
SFO
- POA
2 stops20h 15m
LATAM Airlines
Deal found 2/17![LATAM Airlines logo]()
$799
This KAYAK deal was found by Cheapflights users on 2/18. 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.
Sun 3/14:15 pm
POA
- SFO
2 stops22h 47m
LATAM Airlines
Wed 3/46:00 am
SFO
- POA
2 stops19h 30m
LATAM Airlines
Deal found 2/18![LATAM Airlines logo]()
$800
This American Airlines deal was found by Cheapflights users on 2/20. 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 8/176:25 pm
POA
- SFO
2 stops28h 35m
American Airlines
Wed 8/268:00 am
SFO
- POA
2 stops22h 40m
American Airlines
Deal found 2/20![American Airlines logo]()
$807
This KAYAK deal was found by Cheapflights users on 2/18. 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.
Fri 12/187:05 pm
POA
- SFO
2 stops21h 49m
LATAM Airlines
Sat 1/911:05 am
SFO
- POA
2 stops26h 10m
LATAM Airlines
Deal found 2/18![LATAM Airlines logo]()
$817
This Air Canada deal was found by Cheapflights users on 2/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:25 pm
POA
- SFO
2 stops33h 22m
Air Canada
Mon 9/284:30 pm
SFO
- POA
2 stops41h 50m
Air Canada
Deal found 2/17![Air Canada logo]()
$818
This LATAM Airlines deal was found by Cheapflights users on 2/19. 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 12/207:05 pm
POA
- SFO
2 stops21h 49m
LATAM Airlines
Sun 1/37:00 am
SFO
- POA
2 stops18h 10m
LATAM Airlines
Deal found 2/19![LATAM Airlines logo]()
$819
This LATAM Airlines deal was found by Cheapflights users on 2/18. 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 3/27:30 pm
POA
- SFO
2 stops22h 20m
LATAM Airlines
Mon 3/306:00 am
SFO
- POA
2 stops31h 15m
LATAM Airlines
Deal found 2/18![LATAM Airlines logo]()
$820
Best flights from Porto Alegre to San FranciscoDiscover carefully curated flight deals from Porto Alegre to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 21, 2026.
Discover carefully curated flight deals from Porto Alegre to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 21, 2026.
This LATAM Airlines deal was found by Cheapflights users on 2/17. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:30 pm
POA
- SFO
2 stops22h 20m
LATAM Airlines
Wed 4/156:00 am
SFO
- POA
2 stops20h 15m
LATAM Airlines
Deal found 2/17![LATAM Airlines logo]()
$820
This Copa Airlines deal was found by Cheapflights users on 2/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:35 am
POA
- SFO
1 stop26h 05m
Copa Airlines
Wed 4/81:23 am
SFO
- POA
1 stop18h 57m
Copa Airlines
Deal found 2/17![Copa Airlines logo]()
$889
This American Airlines deal was found by Cheapflights users on 2/18. 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 3/137:20 pm
POA
- SFO
2 stops29h 56m
American Airlines
Fri 3/2011:32 am
SFO
- POA
2 stops26h 08m
American Airlines
Deal found 2/18![American Airlines logo]()
$912
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 3/203:25 pm
POA
- SFO
2 stops38h 03m
United Airlines
Thu 9/1712:45 am
SFO
- POA
2 stops33h 50m
United Airlines
Deal found 2/18![United Airlines logo]()
$916
This LATAM Airlines deal was found by Cheapflights users on 2/18. 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 8/177:25 am
POA
- SFO
2 stops19h 47m
LATAM Airlines
Wed 8/2611:30 am
SFO
- POA
2 stops29h 35m
LATAM Airlines
Deal found 2/18![LATAM Airlines logo]()
$825
This Copa Airlines deal was found by Cheapflights users on 2/19. 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 4/41:35 am
POA
- SFO
1 stop26h 05m
Copa Airlines
Sun 4/128:37 pm
SFO
- POA
1 stop23h 43m
Copa Airlines
Deal found 2/19![Copa Airlines logo]()
$909
This 123 Milhas deal was found by Cheapflights users on 2/19. 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 3/242:05 pm
POA
- SFO
2 stops31h 31m
LATAM Airlines
Mon 6/111:28 am
SFO
- POA
2 stops26h 47m
LATAM Airlines
Deal found 2/19![LATAM Airlines logo]()
$871
This American Airlines deal was found by Cheapflights users on 2/19. 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 8/56:25 pm
POA
- SFO
2 stops28h 35m
American Airlines
Mon 8/1711:58 pm
SFO
- POA
2 stops30h 42m
American Airlines
Deal found 2/19![American Airlines logo]()
$960
This Copa Airlines deal was found by Cheapflights users on 2/18. 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 5/171:20 am
POA
- SFO
1 stop26h 20m
Copa Airlines
Wed 6/38:06 pm
SFO
- POA
1 stop24h 14m
Copa Airlines
Deal found 2/18![Copa Airlines logo]()
$909
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Mon 5/186:25 pm
POA
- SFO
2 stops21h 31m
American Airlines
Wed 6/310:22 am
SFO
- POA
2 stops25h 13m
American Airlines
Deal found 2/17![American Airlines logo]()
$973
Last-minute flights from Porto Alegre to San FranciscoDiscover last-minute flight deals from Porto Alegre to San Francisco. Data last updated February 21, 2026 and is based on user searches.
Discover last-minute flight deals from Porto Alegre to San Francisco. Data last updated February 21, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 2/18. 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.
Sun 3/14:15 pm
POA
- SFO
2 stops22h 47m
LATAM Airlines
Wed 3/46:00 am
SFO
- POA
2 stops19h 30m
LATAM Airlines
Deal found 2/18![LATAM Airlines logo]()
$800
This Orbitz deal was found by Cheapflights users on 2/18. 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.
Sun 3/15:55 pm
POA
- SFO
2 stops32h 40m
Multiple Airlines
Thu 3/53:25 pm
SFO
- POA
2 stops28h 15m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$851
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/27:20 pm
POA
- SFO
2 stops22h 40m
American Airlines
Mon 4/276:15 am
SFO
- POA
2 stops25h 45m
American Airlines
Deal found 2/19![American Airlines logo]()
$763
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/27:20 pm
POA
- SFO
2 stops22h 40m
American Airlines
Wed 3/2511:32 am
SFO
- POA
2 stops26h 13m
American Airlines
Deal found 2/20![American Airlines logo]()
$777
This LATAM Airlines deal was found by Cheapflights users on 2/18. 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 3/27:30 pm
POA
- SFO
2 stops22h 20m
LATAM Airlines
Mon 4/276:00 am
SFO
- POA
2 stops32h 15m
LATAM Airlines
Deal found 2/18![LATAM Airlines logo]()
$820
This LATAM Airlines deal was found by Cheapflights users on 2/19. 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 3/27:30 pm
POA
- SFO
2 stops25h 38m
LATAM Airlines
Mon 3/306:00 am
SFO
- POA
2 stops31h 15m
LATAM Airlines
Deal found 2/19![LATAM Airlines logo]()
$821
This 123 Milhas deal was found by Cheapflights users on 2/19. 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 3/242:05 pm
POA
- SFO
2 stops31h 31m
LATAM Airlines
Mon 6/111:28 am
SFO
- POA
2 stops26h 47m
LATAM Airlines
Deal found 2/19![LATAM Airlines logo]()
$871
One-way flights from Porto Alegre to San FranciscoSearch for one-way flight options from Porto Alegre to San Francisco. Find affordable one-way fares based on user searches. Data last updated February 21, 2026.
Search for one-way flight options from Porto Alegre to San Francisco. Find affordable one-way fares based on user searches. Data last updated February 21, 2026.
This LATAM Airlines deal was found by Cheapflights users on 2/20. 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 5/197:05 pm
POA
- SFO
2 stops19h 48m
LATAM Airlines
Deal found 2/20![LATAM Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 2/20. 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 3/248:10 pm
POA
- SFO
2 stops28h 23m
Delta
Deal found 2/20![Delta logo]()
$424
This Copa Airlines deal was found by Cheapflights users on 2/20. 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 3/231:30 am
POA
- SFO
1 stop26h 10m
Copa Airlines
Deal found 2/20![Copa Airlines logo]()
$474
This Copa Airlines deal was found by Cheapflights users on 2/18. 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 7/51:15 am
POA
- SFO
1 stop26h 25m
Copa Airlines
Deal found 2/18![Copa Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 7/75:10 pm
POA
- SFO
2 stops36h 32m
United Airlines
Deal found 2/18![United Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 2/19. 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 7/225:10 pm
POA
- SFO
2 stops36h 32m
United Airlines
Deal found 2/19![United Airlines logo]()
$571
This GOL deal was found by Cheapflights users on 2/18. 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.
Sat 7/45:30 pm
POA
- SFO
2 stops34h 29m
GOL
Deal found 2/18![GOL logo]()
$597
This GOL deal was found by Cheapflights users on 2/18. 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 7/225:30 pm
POA
- SFO
2 stops21h 17m
GOL
Deal found 2/18![GOL logo]()
$633
This Kissandfly.com deal was found by Cheapflights users on 2/18. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:05 pm
POA
- SFO
2 stops24h 06m
LATAM Airlines
Deal found 2/18![LATAM Airlines logo]()
$639
This LATAM Airlines deal was found by Cheapflights users on 2/17. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:05 pm
POA
- SFO
2 stops24h 06m
LATAM Airlines
Deal found 2/17![LATAM Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 2/18. 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 7/85:10 pm
POA
- SFO
2 stops33h 56m
United Airlines
Deal found 2/18![United Airlines logo]()
$670
Find flight deals from Porto Alegre to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to San Francisco (SFO). 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 February 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $763 (American Airlines) |
One-way from | $408 (LATAM Airlines) |
Popular in | January |
Cheapest in | April |
Average price | $870 |
Cheapflights Fare Finder
Customize your flight search to find flights from Porto Alegre to San Francisco 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 February 21, 2026.
Use the filters below to find and compare flights from Porto Alegre to San Francisco that are best for you.
Fly from
Porto Alegre
Fly to
San Francisco
Route
Depart
Return
Price
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Tue 3/3
7:30 pm-12:50 pm
2 stops22h 20m
San Francisco
Wed 4/15
6:00 am-6:15 am
2 stops20h 15m
$820
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Mon 8/17
7:25 am-11:12 pm
2 stops19h 47m
San Francisco
Wed 8/26
11:30 am-9:05 pm
2 stops29h 35m
$825
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Tue 3/24
2:05 pm-5:36 pm
2 stops31h 31m
San Francisco
Mon 6/1
11:28 am-6:15 pm
2 stops26h 47m
$871
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Wed 4/1
1:35 am-11:40 pm
1 stop26h 05m
San Francisco
Wed 4/8
1:23 am-12:20 am
1 stop18h 57m
$889
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Sat 4/4
1:35 am-11:40 pm
1 stop26h 05m
San Francisco
Sun 4/12
8:37 pm-12:20 am
1 stop23h 43m
$909
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Sun 5/17
1:20 am-11:40 pm
1 stop26h 20m
San Francisco
Wed 6/3
8:06 pm-12:20 am
1 stop24h 14m
$909
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Fri 3/13
7:20 pm-9:16 pm
2 stops29h 56m
San Francisco
Fri 3/20
11:32 am-5:40 pm
2 stops26h 08m
$912
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Fri 3/20
3:25 pm-1:28 am
2 stops38h 03m
San Francisco
Thu 9/17
12:45 am-2:35 pm
2 stops33h 50m
$916
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Wed 8/5
6:25 pm-7:00 pm
2 stops28h 35m
San Francisco
Mon 8/17
11:58 pm-10:40 am
2 stops30h 42m
$960
Porto AlegreSan Francisco
POA - SFO
POASFO
Porto Alegre Salgado Filho
Mon 5/18
6:25 pm-11:56 am
2 stops21h 31m
San Francisco
Wed 6/3
10:22 am-3:35 pm
2 stops25h 13m
$973
Showing 1-10 of 20 results
- Most accurate provider: When it comes to deals on Porto Alegre-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto Alegre-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto Alegre-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Porto Alegre-San Francisco 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-San Francisco 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 San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Porto Alegre with our price prediction graph.
POA-SFO
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 San Francisco
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