$514+ Cheap flights from San Francisco (SFO) to Porto Alegre (POA)
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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — POA
Apr 27 — May 41
1 adult, Economy
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Find cheap flights from San Francisco to Porto Alegre 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 San Francisco to Porto Alegre
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Porto Alegre (POA). 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 | $1,048 (oojo) |
Popular in | December |
Cheapest in | February |
Average price | $913 |
Find flight deals from San Francisco to Porto Alegre
Cheapest flights from San Francisco to Porto AlegreExplore the most affordable flight options available from San Francisco to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
Explore the most affordable flight options available from San Francisco to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
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.
Sun 10/191:28 amSFO - POA
1 stop18h 52mCopa Airlines
Thu 10/301:37 amPOA - SFO
1 stop23h 17mCopa Airlines
Deal found 4/22![Copa Airlines logo]()
$659
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/111:37 amSFO - POA
1 stop18h 38mMultiple Airlines
Fri 5/166:00 amPOA - SFO
2 stops21h 40mMultiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$689
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.
Mon 10/206:08 amSFO - POA
2 stops24h 27mAmerican Airlines
Fri 10/316:35 pmPOA - SFO
2 stops21h 08mAmerican Airlines
Deal found 4/22![American Airlines logo]()
$693
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:24 amSFO - POA
2 stops28h 01mGOL
Thu 10/301:35 pmPOA - SFO
2 stops26h 08mGOL
Deal found 4/22![GOL logo]()
$748
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/219:00 pmSFO - POA
2 stops29h 25mDelta
Mon 11/37:35 amPOA - SFO
2 stops22h 11mDelta
Deal found 4/22![Delta logo]()
$806
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:00 amSFO - POA
2 stops24h 50mLATAM Airlines
Mon 11/37:35 amPOA - SFO
2 stops22h 11mLATAM Airlines
Deal found 4/22![LATAM Airlines logo]()
$816
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.
Mon 5/121:20 pmSFO - POA
2 stops20h 00mUnited Airlines
Fri 5/165:35 pmPOA - SFO
2 stops27h 51mUnited Airlines
Deal found 4/22![United Airlines logo]()
$876
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:45 pmSFO - POA
2 stops33h 35mAir Canada
Wed 10/291:55 pmPOA - SFO
2 stops25h 41mAir Canada
Deal found 4/22![Air Canada logo]()
$5,149
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Porto Alegre 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 San Francisco to Porto Alegre that are best for you.
Fly from
San Francisco
Fly to
Porto Alegre
Route
Depart
Return
Price
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Sun 10/19
1:28 am-12:20 am
1 stop18h 52m
Porto Alegre Salgado Filho
Thu 10/30
1:37 am-8:54 pm
1 stop23h 17m
$659
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Sun 5/11
1:37 am-12:15 am
1 stop18h 38m
Porto Alegre Salgado Filho
Fri 5/16
6:00 am-11:40 pm
2 stops21h 40m
$689
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Fri 10/17
9:00 am-1:50 pm
2 stops24h 50m
Porto Alegre Salgado Filho
Mon 11/3
7:35 am-12:46 am
2 stops22h 11m
$816
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Mon 5/12
1:20 pm-1:20 pm
2 stops20h 00m
Porto Alegre Salgado Filho
Fri 5/16
5:35 pm-5:26 pm
2 stops27h 51m
$876
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Sat 6/21
12:13 pm-4:15 pm
2 stops48h 02m
Porto Alegre Salgado Filho
Thu 7/31
11:05 am-10:30 am
2 stops27h 25m
$1,048
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Mon 5/12
7:35 am-10:25 am
2 stops22h 50m
Porto Alegre Salgado Filho
Fri 5/16
7:25 pm-1:27 pm
3 stops22h 02m
$2,172
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Sun 10/19
6:00 am-6:25 am
2 stops20h 25m
Porto Alegre Salgado Filho
Thu 10/30
6:45 am-12:46 am
2 stops22h 01m
$4,643
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Sun 10/19
4:50 pm-4:50 pm
2 stops44h 00m
Porto Alegre Salgado Filho
Sun 11/2
1:40 pm-11:36 am
2 stops26h 56m
$5,155
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Sun 7/27
1:37 am-8:05 am
2 stops26h 28m
$514
San FranciscoPorto Alegre
SFO - POA
SFOPOA
San Francisco
Mon 7/28
11:59 pm-1:20 pm
2 stops33h 21m
$652
Showing 1-10 of 13 results
Compare providers for flights from San Francisco to Porto Alegre
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 San Francisco to Porto Alegre in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Porto Alegre flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Francisco-Porto Alegre flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Francisco-Porto Alegre flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Porto Alegre 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 San Francisco-Porto Alegre 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 San Francisco to Porto Alegre
Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from San Francisco 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 San Francisco to Porto Alegre
What is the cheapest time of day to fly from SFO to POA?
Find hourly flight availability from San Francisco to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.
A simple way to save on the total cost of your ticket is to fly from San Francisco to Porto Alegre in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.
Rainfall in Porto Alegre by month
Plan your trip to Porto Alegre by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Porto Alegre ranges from 2.8 - 5.1 inches per month. September is typically the wettest month, when rainfall can reach 5.1 in. November is typically the driest time to visit Porto Alegre when rainfall is around 2.8 in.
Temperature in Porto Alegre by month
Plan your trip to Porto Alegre by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 55.4 F).
Reviews of airlines servicing Porto Alegre
Get insights into the airlines that provide service to Porto Alegre. 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 Porto Alegre. Reviews last updated April 22, 2025.
Comfort
7.4
Overall
7.5
Food
6.7
Crew
8.1
Boarding
7.6
Entertainment
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2025
MCO - BOG
Comfort
7.4
Overall
7.5
Food
6.7
Crew
8.1
Boarding
7.6
Entertainment
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2025
MCO - BOG
Comfort
7.4
Overall
7.5
Food
6.7
Crew
8.1
Boarding
7.6
Entertainment
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2025
MCO - BOG
Comfort
7.4
Overall
7.5
Food
6.7
Crew
8.1
Boarding
7.6
Entertainment
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2025
MCO - BOG
Comfort
7.4
Overall
7.5
Food
6.7
Crew
8.1
Boarding
7.6
Entertainment
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2025
MCO - BOG
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco to Porto Alegre
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from San Francisco to Porto Alegre
Discover the top 2 airlines that operate flights from San Francisco to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 22, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$578 | Average$1,543 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$712 | Average$841 | FlexibilityNo cancel fee | On-time70% |