HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$808+ Cheap flights from Porto Alegre (POA) to San Francisco (SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SFO
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Porto Alegre to San Francisco 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 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 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$808
(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.
Search Deals
Provider most trusted by Cheapflights users for Porto Alegre Salgado Filho-San Francisco flights.
Search Deals
From Porto Alegre Salgado Filho to San Francisco
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 22, 2025.

This United Airlines deal was found by Cheapflights users on 4/22. 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 5/275:35 pmPOA - SFO
2 stops20h 03mUnited Airlines
Wed 7/210:55 pmSFO - POA
2 stops37h 55mUnited Airlines
Deal found 4/22$808
This 123 Milhas deal was found by Cheapflights users on 4/21. 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.
Thu 5/225:45 pmPOA - SFO
2 stops20h 25mLATAM Airlines
Thu 11/209:55 pmSFO - POA
2 stops21h 45mLATAM Airlines
Deal found 4/21$818
This Copa Airlines deal was found by Cheapflights users on 4/22. 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 5/261:20 amPOA - SFO
1 stop23h 38mCopa Airlines
Tue 7/11:37 amSFO - POA
1 stop18h 38mCopa Airlines
Deal found 4/22$872
This MaxMilhas deal was found by Cheapflights users on 4/22. 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 MaxMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:10 amPOA - SFO
2 stops21h 09mAeromexico
Sun 7/277:04 amSFO - POA
2 stops30h 46mAeromexico
Deal found 4/22$1,224
This 123 Milhas deal was found by Cheapflights users on 4/22. 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 5/211:20 amPOA - SFO
1 stop26h 20mMultiple Airlines
Thu 11/2012:00 pmSFO - POA
2 stops23h 25mMultiple Airlines
Deal found 4/22$1,905
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 5/175:15 pmPOA - SFO
3 stops24h 12mAmerican Airlines
Tue 5/277:35 amSFO - POA
2 stops22h 50mAmerican Airlines
Deal found 4/22$2,647

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 22, 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 5/27

5:35 pm-9:38 am

2 stops20h 03m

San Francisco

Wed 7/2

10:55 pm-4:50 pm

2 stops37h 55m

$808

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 5/22

5:45 pm-10:10 am

2 stops20h 25m

San Francisco

Thu 11/20

9:55 pm-12:40 am

2 stops21h 45m

$818

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 5/26

1:20 am-8:58 pm

1 stop23h 38m

San Francisco

Tue 7/1

1:37 am-12:15 am

1 stop18h 38m

$872

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 7/17

6:10 am-11:19 pm

2 stops21h 09m

San Francisco

Sun 7/27

7:04 am-5:50 pm

2 stops30h 46m

$1,224

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Wed 5/21

1:20 am-11:40 pm

1 stop26h 20m

San Francisco

Thu 11/20

12:00 pm-4:25 pm

2 stops23h 25m

$1,905

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Sat 5/17

5:15 pm-1:27 pm

3 stops24h 12m

San Francisco

Tue 5/27

7:35 am-10:25 am

2 stops22h 50m

$2,647

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 22, 2025.
LATAM Airlines
7.5
Good
1,765 reviews

Crew

8.1

Food

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
LATAM Airlines
7.5
Good
1,765 reviews
LATAM Airlines
7.5
Good
1,765 reviews

Crew

8.1

Food

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
Copa Airlines
7.5
Good
1,408 reviews
LATAM Airlines
7.5
Good
1,765 reviews

Crew

8.1

Food

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
Aeromexico
7.5
Good
1,700 reviews
LATAM Airlines
7.5
Good
1,765 reviews

Crew

8.1

Food

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
United Airlines
7.4
Good
8,683 reviews
LATAM Airlines
7.5
Good
1,765 reviews

Crew

8.1

Food

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,765 reviews

Crew

8.1

Food

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP

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 $808, was found to be the cheapest airline from Porto Alegre to San Francisco.Alternate airlines to your destination round-trip include LATAM Airlines and Copa Airlines. You may be able to fly from Porto Alegre to San Francisco for 10% 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 $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
Turlock
Livermore
South San Francisco
Fairfield
Manteca
Richmond
Watsonville
Hollister
Milpitas
Antioch
Sausalito
Vallejo
Newark
Hayward
Alameda
Sunnyvale
Campbell

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.

Alternative routes for Porto Alegre to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Porto Alegre to Los Angeles flights
Porto Alegre to Las Vegas flights
Porto Alegre to San Diego flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.