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$488+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SFO
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$856
(LATAM Airlines)

One-way from

$488
(Copa Airlines)

Popular in

December

Cheapest in

March

Average price

$1,056
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. 6% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This LATAM Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 9/87:20 amPOA - SFO
2 stops40h 16mLATAM Airlines
vie. 9/196:00 amSFO - POA
2 stops20h 25mLATAM Airlines
Deal found 6/11$856
This Copa Airlines deal was found by Cheapflights users on 6/10. 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.
dom. 9/71:27 amPOA - SFO
1 stop26h 13mCopa Airlines
jue. 9/181:28 amSFO - POA
1 stop18h 52mCopa Airlines
Deal found 6/10$906
This GOL deal was found by Cheapflights users on 6/11. 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.
vie. 7/46:35 pmPOA - SFO
2 stops20h 04mGOL
mar. 8/511:50 pmSFO - POA
2 stops39h 30mGOL
Deal found 6/11$1,225
This United Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 7/45:35 pmPOA - SFO
2 stops35h 22mUnited Airlines
lun. 8/412:30 amSFO - POA
2 stops36h 20mUnited Airlines
Deal found 6/11$1,251
This 123 Milhas deal was found by Cheapflights users on 6/10. 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.
dom. 6/156:05 amPOA - SFO
2 stops21h 35mMultiple Airlines
dom. 6/2910:55 amSFO - POA
1 stop33h 20mMultiple Airlines
Deal found 6/10$1,982
This American Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 9/86:35 pmPOA - SFO
3 stops22h 33mAmerican Airlines
vie. 9/1911:04 amSFO - POA
2 stops25h 21mAmerican Airlines
Deal found 6/11$2,718
This Delta deal was found by Cheapflights users on 6/11. 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.
mar. 7/86:40 amPOA - SFO
2 stops20h 09mDelta
lun. 8/1111:35 amSFO - POA
2 stops22h 15mDelta
Deal found 6/11$5,186

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 junio 12, 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

lun. 9/8

7:20 am-7:36 pm

2 stops40h 16m

San Francisco

vie. 9/19

6:00 am-6:25 am

2 stops20h 25m

$856

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

dom. 9/7

1:27 am-11:40 pm

1 stop26h 13m

San Francisco

jue. 9/18

1:28 am-12:20 am

1 stop18h 52m

$906

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

vie. 7/4

6:35 pm-10:39 am

2 stops20h 04m

San Francisco

mar. 8/5

11:50 pm-7:20 pm

2 stops39h 30m

$1,225

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

vie. 7/4

5:35 pm-12:57 am

2 stops35h 22m

San Francisco

lun. 8/4

12:30 am-4:50 pm

2 stops36h 20m

$1,251

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

lun. 9/8

6:35 pm-1:08 pm

3 stops22h 33m

San Francisco

vie. 9/19

11:04 am-4:25 pm

2 stops25h 21m

$2,718

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

lun. 7/7

1:23 am-11:40 pm

1 stop26h 17m

San Francisco

lun. 8/11

7:54 am-12:15 am

2 stops36h 21m

$2,752

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

mar. 7/8

6:40 am-10:49 pm

2 stops20h 09m

San Francisco

lun. 8/11

11:35 am-1:50 pm

2 stops22h 15m

$5,186

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

mar. 6/17

1:23 am-11:40 pm

1 stop26h 17m

$488

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

mié. 6/18

6:05 pm-8:52 am

2 stops42h 47m

$506

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

jue. 6/19

7:20 am-12:54 am

2 stops21h 34m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $364). 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.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated junio 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
GOL
7.3
Good
1,073 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Porto Alegre to San Francisco round-trip?

    LATAM Airlines, at $856, was found to be the cheapest airline from Porto Alegre to San Francisco.Alternate airlines to your destination round-trip include Copa Airlines and GOL. You may be able to fly from Porto Alegre to San Francisco for 6% less than the average price by searching for these airlines.

  • 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 $364). 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
Roseville
Mountain View
South San Francisco
Livermore
Turlock
Santa Cruz
Manteca
Fairfield
Watsonville
Antioch
Hollister
Milpitas
Newark
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Capitola

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Alternative routes for Porto Alegre to San Francisco

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