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$465+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SFO
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$644
(United Airlines)

One-way from

$465
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$806
Provider with most accurate pricing for Porto Alegre Salgado Filho-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Porto Alegre Salgado Filho-San Francisco flights.
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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 ($66 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 April 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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 5/132:00 pmPOA - SFO
2 stops25h 36mUnited Airlines
Sat 5/2411:05 pmSFO - POA
2 stops34h 15mUnited Airlines
Deal found 4/29$644
This Mytrip deal was found by Cheapflights users on 4/29. 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 11/112:00 pmPOA - SFO
2 stops26h 02mAir Canada
Mon 2/238:40 amSFO - POA
2 stops26h 45mAir Canada
Deal found 4/29$802
This Delta deal was found by Cheapflights users on 4/29. 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 8/86:40 amPOA - SFO
2 stops20h 09mDelta
Mon 8/1811:30 amSFO - POA
2 stops22h 20mDelta
Deal found 4/29$834
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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 5/157:20 amPOA - SFO
2 stops40h 49mLATAM Airlines
Thu 5/296:05 amSFO - POA
2 stops33h 45mLATAM Airlines
Deal found 4/29$835
This Copa Airlines deal was found by Cheapflights users on 4/29. 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 8/61:23 amPOA - SFO
1 stop23h 35mCopa Airlines
Sat 8/161:28 amSFO - POA
1 stop18h 47mCopa Airlines
Deal found 4/29$872
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/126:35 pmPOA - SFO
2 stops33h 47mAmerican Airlines
Fri 5/306:00 amSFO - POA
2 stops29h 40mAmerican Airlines
Deal found 4/29$974
This United deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/225:35 pmPOA - SFO
2 stops22h 04mMultiple Airlines
Mon 5/2612:43 amSFO - POA
2 stops32h 37mMultiple Airlines
Deal found 4/29$1,037

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 April 29, 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 5/13

5:35 pm-11:27 am

2 stops21h 52m

San Francisco

Tue 5/27

5:05 am-1:20 pm

2 stops28h 15m

$644

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 5/22

10:15 am-11:35 am

2 stops29h 20m

San Francisco

Thu 11/20

8:40 am-4:25 pm

2 stops26h 45m

$812

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Fri 8/8

6:40 am-10:49 pm

2 stops20h 09m

San Francisco

Mon 8/18

11:30 am-1:50 pm

2 stops22h 20m

$834

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 5/15

7:20 am-8:09 pm

2 stops40h 49m

San Francisco

Thu 5/29

6:05 am-7:50 pm

2 stops33h 45m

$835

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Wed 8/6

1:23 am-8:58 pm

1 stop23h 35m

San Francisco

Sat 8/16

1:28 am-12:15 am

1 stop18h 47m

$872

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 6/12

5:35 pm-10:45 pm

3 stops33h 10m

San Francisco

Tue 11/4

11:05 pm-6:25 am

2 stops26h 20m

$960

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 5/12

6:35 pm-12:22 am

2 stops33h 47m

San Francisco

Fri 5/30

6:00 am-3:40 pm

2 stops29h 40m

$974

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Wed 7/23

1:55 pm-12:57 am

2 stops39h 02m

$465

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Fri 7/18

7:40 pm-11:19 pm

2 stops31h 39m

$523

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Tue 7/22

1:23 am-11:40 pm

1 stop26h 17m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 11 results
1
2

Compare providers for flights from Porto Alegre to San Francisco

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 Porto Alegre to San Francisco in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Porto Alegre-San Francisco flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Porto Alegre-San Francisco flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.
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 $393). 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 April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
1,767 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
1,411 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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?

    United Airlines, at $644, was found to be the cheapest airline from Porto Alegre to San Francisco.Alternate airlines to your destination round-trip include Air Canada and Delta. You may be able to fly from Porto Alegre to San Francisco for 28% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Porto Alegre to San Francisco one-way?

    The cheapest airlines for a one-way flight from Porto Alegre to San Francisco are United Airlines ($465), Copa Airlines ($718), and American Airlines ($2,157).

  • 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 $393). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Manteca
Fairfield
Richmond
Watsonville
Hollister
Newark
Milpitas
Antioch
Sausalito
Hayward
Alameda
Sunnyvale
Campbell
Daly City

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Alternative routes for Porto Alegre to San Francisco

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