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$417+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SFO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 August 20, 2025.

Round-trip from

$755
(Expedia)

One-way from

$417
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$842
From Porto Alegre Salgado Filho to San Francisco
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One-way flight from Porto Alegre Salgado Filho to San Francisco
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Highest demand for flights based on searches. 8% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Porto Alegre to San Francisco

Cheapest flights from Porto Alegre to San Francisco
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 August 20, 2025.

This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:25 amPOA - SFO
1 stop26h 00mCopa Airlines
Sun 10/191:31 amSFO - POA
1 stop18h 49mCopa Airlines
Deal found 8/19$780
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:40 amPOA - SFO
3 stops29h 55mMultiple Airlines
Sun 10/191:31 amSFO - POA
1 stop18h 49mMultiple Airlines
Deal found 8/19$785

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 August 20, 2025.
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 1/27

2:05 pm-9:34 pm

2 stops36h 29m

San Francisco

Tue 2/3

2:30 pm-8:10 pm

2 stops24h 40m

$755

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Tue 1/27

3:25 pm-10:54 am

2 stops24h 29m

San Francisco

Tue 2/3

12:00 pm-4:25 pm

2 stops23h 25m

$760

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Wed 9/10

1:25 am-11:25 pm

1 stop26h 00m

San Francisco

Sun 10/19

1:31 am-12:20 am

1 stop18h 49m

$780

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 9/11

10:40 am-12:35 pm

3 stops29h 55m

San Francisco

Sun 10/19

1:31 am-12:20 am

1 stop18h 49m

$785

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Tue 1/27

6:10 pm-5:05 pm

2 stops27h 55m

San Francisco

Tue 2/3

11:00 pm-6:20 pm

2 stops38h 20m

$838

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 2/2

3:25 pm-5:26 pm

2 stops31h 01m

San Francisco

Mon 2/9

5:00 am-4:10 pm

2 stops30h 10m

$838

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Sun 9/14

4:50 am-6:07 pm

3 stops41h 17m

$417

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Sun 9/14

3:10 pm-11:59 pm

2 stops36h 49m

$466

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Sat 9/13

1:25 am-11:25 pm

1 stop26h 00m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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.
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

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

Currently, January is the cheapest month in which you can book a flight from Porto Alegre to San Francisco (average of $276). Flying from Porto Alegre to San Francisco in June is currently the most expensive (average of $358). 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.

Related info for your journey

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

  • How long is the flight from Porto Alegre to San Francisco?

    There are many flights that can get you from Porto Alegre to San Francisco in 26h. Fly via Air Canada or Copa Airlines to get the fastest option. Porto Alegre and San Francisco are separated by a distance of 6547 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto Alegre to San Francisco 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 San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Porto Alegre to San Francisco (average of $276). Flying from Porto Alegre to San Francisco in June is currently the most expensive (average of $358). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
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Hollister
Antioch
Watsonville
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Newark
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Vallejo

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