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Cheap flights from Porto Alegre to San Francisco from $808

This is the cheapest round-trip 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 3/2. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:10 pm - 9:22 pm
POA
-
SFO
33h 12m
2 stops
Air Canada Logo
12:00 pm - 6:30 pm
SFO
-
POA
26h 30m
2 stops
$808Air Canada
Mon, Mar 2 - Wed, Mar 25
Copa Airlines Logo
1:30 am - 11:16 pm
POA
-
SFO
26h 46m
1 stop
Copa Airlines Logo
1:23 am - 12:20 am
SFO
-
POA
18h 57m
1 stop
$849Copa Airlines
Sun, Mar 1 - Sun, Apr 26
United Airlines Logo
5:10 pm - 7:25 pm
POA
-
SFO
30h 15m
2 stops
United Airlines Logo
5:00 am - 2:35 pm
SFO
-
POA
29h 35m
2 stops
$861United Airlines
Fri, Mar 20 - Fri, Sep 18
United Airlines Logo
3:25 pm - 12:11 pm
POA
-
SFO
25h 46m
2 stops
United Airlines Logo
5:00 am - 4:20 pm
SFO
-
POA
30h 20m
2 stops
$862United Airlines
Mon, Feb 16 - Mon, Feb 23
LATAM Airlines Logo
7:25 am - 10:37 am
POA
-
SFO
31h 12m
2 stops
LATAM Airlines Logo
7:30 am - 5:00 pm
SFO
-
POA
29h 30m
2 stops
$867LATAM Airlines
Mon, May 4 - Tue, May 19
LATAM Airlines Logo
7:45 am - 11:25 pm
POA
-
SFO
20h 40m
2 stops
LATAM Airlines Logo
5:55 am - 7:25 pm
SFO
-
POA
32h 30m
2 stops
$868LATAM Airlines
Mon, Feb 2 - Mon, Feb 9
LATAM Airlines Logo
7:45 am - 10:30 am
POA
-
SFO
31h 45m
2 stops
LATAM Airlines Logo
5:55 am - 7:25 pm
SFO
-
POA
32h 30m
2 stops
$869LATAM Airlines
Mon, Feb 2 - Mon, Feb 9
American Airlines Logo
6:25 pm - 9:16 pm
POA
-
SFO
30h 51m
2 stops
American Airlines Logo
11:49 am - 3:35 pm
SFO
-
POA
23h 46m
2 stops
$870American Airlines
Fri, Mar 20 - Fri, Sep 18
American Airlines Logo
6:25 pm - 9:16 pm
POA
-
SFO
30h 51m
2 stops
American Airlines Logo
11:49 am - 3:35 pm
SFO
-
POA
23h 46m
2 stops
$871American Airlines
Fri, Mar 20 - Fri, Sep 18
Copa Airlines Logo
1:30 am - 11:40 pm
POA
-
SFO
26h 10m
1 stop
Copa Airlines Logo
1:23 am - 12:20 am
SFO
-
POA
18h 57m
1 stop
$1,182Copa Airlines
Thu, Mar 26 - Mon, Apr 20

LATAM Airlines flights from Porto Alegre to San Francisco

Our best LATAM Airlines deals on Porto Alegre to San Francisco flight tickets
LATAM Airlines
May 4
POA7:25 amPorto Alegre Salgado Filho
31h 12m
2 stops
SFO10:37 amSan Francisco
May 19
SFO7:30 amSan Francisco
29h 30m
2 stops
POA5:00 pmPorto Alegre Salgado Filho
$867
LATAM Airlines
Feb 2
POA7:45 amPorto Alegre Salgado Filho
20h 40m
2 stops
SFO11:25 pmSan Francisco
Feb 9
SFO5:55 amSan Francisco
32h 30m
2 stops
POA7:25 pmPorto Alegre Salgado Filho
$868
LATAM Airlines
Feb 2
POA7:45 amPorto Alegre Salgado Filho
31h 45m
2 stops
SFO10:30 amSan Francisco
Feb 9
SFO5:55 amSan Francisco
32h 30m
2 stops
POA7:25 pmPorto Alegre Salgado Filho
$869

American Airlines flights from Porto Alegre to San Francisco

Our best American Airlines deals on Porto Alegre to San Francisco flight tickets
American Airlines
Mar 20
POA6:25 pmPorto Alegre Salgado Filho
30h 51m
2 stops
SFO9:16 pmSan Francisco
Sep 18
SFO11:49 amSan Francisco
23h 46m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
$870
American Airlines
Mar 20
POA6:25 pmPorto Alegre Salgado Filho
30h 51m
2 stops
SFO9:16 pmSan Francisco
Sep 18
SFO11:49 amSan Francisco
23h 46m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
$871
American Airlines
May 4
POA6:25 pmPorto Alegre Salgado Filho
22h 06m
3 stops
SFO12:31 pmSan Francisco
May 19
SFO6:15 amSan Francisco
24h 25m
2 stops
POA10:40 amPorto Alegre Salgado Filho
$2,307

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 January 19, 2026.
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

Wed 3/25

12:00 pm-6:30 pm

2 stops26h 30m

$808

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Sun 3/1

1:30 am-11:16 pm

1 stop26h 46m

San Francisco

Sun 4/26

1:23 am-12:20 am

1 stop18h 57m

$849

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Fri 3/20

5:10 pm-7:25 pm

2 stops30h 15m

San Francisco

Fri 9/18

5:00 am-2:35 pm

2 stops29h 35m

$861

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 2/16

3:25 pm-12:11 pm

2 stops25h 46m

San Francisco

Mon 2/23

5:00 am-4:20 pm

2 stops30h 20m

$862

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 5/4

7:25 am-10:37 am

2 stops31h 12m

San Francisco

Tue 5/19

7:30 am-5:00 pm

2 stops29h 30m

$867

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 2/2

7:45 am-11:25 pm

2 stops20h 40m

San Francisco

Mon 2/9

5:55 am-7:25 pm

2 stops32h 30m

$868

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Mon 2/2

7:45 am-10:30 am

2 stops31h 45m

San Francisco

Mon 2/9

5:55 am-7:25 pm

2 stops32h 30m

$869

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Fri 3/20

6:25 pm-9:16 pm

2 stops30h 51m

San Francisco

Fri 9/18

11:49 am-3:35 pm

2 stops23h 46m

$870

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Fri 3/20

6:25 pm-9:16 pm

2 stops30h 51m

San Francisco

Fri 9/18

11:49 am-3:35 pm

2 stops23h 46m

$871

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 3/26

1:30 am-11:40 pm

1 stop26h 10m

San Francisco

Mon 4/20

1:23 am-12:20 am

1 stop18h 57m

$1,182

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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.

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

22h 29m

Direct flights

None
The fastest flight from Porto Alegre to San Francisco takes 22h 29m
There are no direct flights from Porto Alegre to San Francisco. There are no popular flight routes from Porto Alegre to San Francisco.
Search flight deals

  • 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 22h 29m.

  • 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
Walnut Creek
Fremont
Half Moon Bay
Daly City
Vallejo
Livermore
Salinas
Sunnyvale
Turlock

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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