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Cheap flights from Porto Alegre to San Francisco from $524

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to San Francisco departing on 12/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Porto Alegre to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:10 pm - 9:22 pmPOA-SFO
33h 12m2 stops
Air Canada Logo
8:45 am - 2:05 pmSFO-POA
25h 20m2 stops
$798Air Canada
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Mon, Mar 2 - Mon, Mar 30
Air Canada Logo
5:10 pm - 9:22 pmPOA-SFO
33h 12m2 stops
Air Canada Logo
12:00 pm - 6:20 pmSFO-POA
26h 20m2 stops
$801Air Canada
Find Deal
Mon, Mar 2 - Wed, Mar 25
Multiple Airlines Logo
5:55 pm - 9:22 pmPOA-SFO
32h 27m2 stops
Multiple Airlines Logo
12:00 pm - 4:05 pmSFO-POA
24h 05m2 stops
$823Multiple Airlines
Find Deal
Mon, Mar 2 - Mon, Mar 30
Air Canada Logo
3:25 pm - 9:21 pmPOA-SFO
33h 56m2 stops
Air Canada Logo
2:30 pm - 4:20 pmSFO-POA
45h 50m2 stops
$825Air Canada
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Thu, Apr 23 - Mon, Apr 27
Air Canada Logo
2:05 pm - 9:21 pmPOA-SFO
35h 16m2 stops
Air Canada Logo
2:30 pm - 4:20 pmSFO-POA
45h 50m2 stops
$826Air Canada
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Thu, Apr 23 - Mon, Apr 27
United Airlines Logo
5:55 pm - 5:36 pmPOA-SFO
28h 41m2 stops
United Airlines Logo
12:43 am - 2:35 pmSFO-POA
32h 52m2 stops
$837United Airlines
Find Deal
Mon, Feb 2 - Sun, Feb 8
United Airlines Logo
5:55 pm - 5:36 pmPOA-SFO
28h 41m2 stops
United Airlines Logo
5:00 am - 2:35 pmSFO-POA
28h 35m2 stops
$839United Airlines
Find Deal
Mon, Feb 2 - Mon, Feb 9
United Airlines Logo
5:55 pm - 5:36 pmPOA-SFO
28h 41m2 stops
United Airlines Logo
12:43 am - 2:35 pmSFO-POA
32h 52m2 stops
$840United Airlines
Find Deal
Mon, Feb 2 - Sun, Feb 8
American Airlines Logo
5:55 pm - 10:58 amPOA-SFO
22h 03m2 stops
American Airlines Logo
7:30 am - 11:00 amSFO-POA
22h 30m2 stops
$846American Airlines
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Tue, Jan 27 - Tue, Feb 3
American Airlines Logo
5:55 pm - 7:12 pmPOA-SFO
30h 17m2 stops
American Airlines Logo
7:30 am - 11:00 amSFO-POA
22h 30m2 stops
$848American Airlines
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Tue, Jan 27 - Tue, Feb 3

Air Canada flights from Porto Alegre to San Francisco

Our best Air Canada deals on Porto Alegre to San Francisco flight tickets
Air Canada
Mar 2
POA5:10 pmPorto Alegre Salgado Filho
33h 12m
2 stops
SFO9:22 pmSan Francisco
Mar 30
SFO8:45 amSan Francisco
25h 20m
2 stops
POA2:05 pmPorto Alegre Salgado Filho
$798
Find similar
Air Canada
Mar 2
POA5:10 pmPorto Alegre Salgado Filho
33h 12m
2 stops
SFO9:22 pmSan Francisco
Mar 25
SFO12:00 pmSan Francisco
26h 20m
2 stops
POA6:20 pmPorto Alegre Salgado Filho
$801
Find similar
Air Canada
Apr 23
POA3:25 pmPorto Alegre Salgado Filho
33h 56m
2 stops
SFO9:21 pmSan Francisco
Apr 27
SFO2:30 pmSan Francisco
45h 50m
2 stops
POA4:20 pmPorto Alegre Salgado Filho
$825
Find similar

United Airlines flights from Porto Alegre to San Francisco

Our best United Airlines deals on Porto Alegre to San Francisco flight tickets
United Airlines
Feb 2
POA5:55 pmPorto Alegre Salgado Filho
28h 41m
2 stops
SFO5:36 pmSan Francisco
Feb 8
SFO12:43 amSan Francisco
32h 52m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$837
Find similar
United Airlines
Feb 2
POA5:55 pmPorto Alegre Salgado Filho
28h 41m
2 stops
SFO5:36 pmSan Francisco
Feb 9
SFO5:00 amSan Francisco
28h 35m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$839
Find similar
United Airlines
Feb 2
POA5:55 pmPorto Alegre Salgado Filho
30h 14m
2 stops
SFO7:09 pmSan Francisco
Feb 9
SFO11:59 pmSan Francisco
33h 36m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$840
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momondo 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, momondo users made 832,500 searches. Data last updated November 30, 2025.
Use the filters below to find and compare flights from Porto Alegre to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 3/2

5:10 pm-9:22 pm

2 stops33h 12m

San Francisco

Mon 3/30

8:45 am-2:05 pm

2 stops25h 20m

$798

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 3/2

5:10 pm-9:22 pm

2 stops33h 12m

San Francisco

Wed 3/25

12:00 pm-6:20 pm

2 stops26h 20m

$801

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 3/2

5:55 pm-9:22 pm

2 stops32h 27m

San Francisco

Mon 3/30

12:00 pm-4:05 pm

2 stops24h 05m

$823

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 4/23

3:25 pm-9:21 pm

2 stops33h 56m

San Francisco

Mon 4/27

2:30 pm-4:20 pm

2 stops45h 50m

$825

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 4/23

2:05 pm-9:21 pm

2 stops35h 16m

San Francisco

Mon 4/27

2:30 pm-4:20 pm

2 stops45h 50m

$826

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 2/2

5:55 pm-5:36 pm

2 stops28h 41m

San Francisco

Sun 2/8

12:43 am-2:35 pm

2 stops32h 52m

$837

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 2/2

5:55 pm-5:36 pm

2 stops28h 41m

San Francisco

Mon 2/9

5:00 am-2:35 pm

2 stops28h 35m

$839

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 2/2

5:55 pm-5:36 pm

2 stops28h 41m

San Francisco

Sun 2/8

12:43 am-2:35 pm

2 stops32h 52m

$840

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Tue 1/27

5:55 pm-10:58 am

2 stops22h 03m

San Francisco

Tue 2/3

7:30 am-11:00 am

2 stops22h 30m

$846

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Tue 1/27

5:55 pm-7:12 pm

2 stops30h 17m

San Francisco

Tue 2/3

7:30 am-11:00 am

2 stops22h 30m

$848

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Porto Alegre to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $713.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Porto Alegre to San Francisco is on a Thursday when prices can be found for as low as $994. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,278.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Porto Alegre to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $1,059. Flights in the afternoon are often more expensive with an average ticket price of $1,222.

How have Porto Alegre to San Francisco flight prices changed over time?

When to book flights from Porto Alegre to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Porto Alegre to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto Alegre to San Francisco (POA to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto Alegre to San Francisco

Fastest flight time

20h 40m

Direct flights

None
The fastest flight from Porto Alegre to San Francisco takes 20h 40m
There are no direct flights from Porto Alegre to San Francisco. There are no popular flight routes from Porto Alegre to San Francisco.
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  • How far is Porto Alegre Salgado Filho to San Francisco by plane?

    The straight-line distance from Porto Alegre Salgado Filho to San Francisco is 6555.1 mi. In terms of flight time, this usually takes a little over 20h 35m.

  • When did momondo last update prices for flights from Porto Alegre Salgado Filho Airport to San Francisco Airport?

    Prices for flights from Porto Alegre Salgado Filho Airport to San Francisco Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Porto Alegre Salgado Filho Airport to San Francisco Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Alegre Salgado Filho Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Berkeley
Daly City
Walnut Creek
Fremont
Half Moon Bay
Vallejo
Salinas
Livermore
Turlock
Pacific Grove

Why use momondo?

Why should I use momondo to find a flight deal from Porto Alegre to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Porto Alegre.

Can I find flights from Porto Alegre to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from Porto Alegre on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Porto Alegre to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Porto Alegre. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Porto Alegre to San Francisco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Porto Alegre to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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