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Cheap flights from Porto Alegre to San Francisco from $396

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 5/21. 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.

Find the cheapest flights from Porto Alegre to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
1:20 am - 11:40 pm
POA
-
SFO
26h 20m
1 stop
Copa Airlines Logo
1:12 am - 12:20 am
SFO
-
POA
19h 08m
1 stop
$725Copa Airlines
Wed, Sep 16 - Sun, Oct 4
American Airlines Logo
6:25 pm - 7:16 pm
POA
-
SFO
28h 51m
2 stops
American Airlines Logo
8:49 am - 3:35 pm
SFO
-
POA
26h 46m
2 stops
$747American Airlines
Wed, Sep 16 - Tue, Oct 6
Copa Airlines Logo
1:20 am - 6:14 pm
POA
-
SFO
20h 54m
1 stop
Copa Airlines Logo
8:16 pm - 12:20 am
SFO
-
POA
24h 04m
1 stop
$758Copa Airlines
Tue, May 19 - Wed, Jun 3
American Airlines Logo
2:00 pm - 10:35 am
POA
-
SFO
24h 35m
2 stops
American Airlines Logo
2:03 pm - 3:35 pm
SFO
-
POA
21h 32m
2 stops
$764American Airlines
Tue, Jun 2 - Tue, Jun 9
Copa Airlines Logo
1:20 am - 11:40 pm
POA
-
SFO
26h 20m
1 stop
Copa Airlines Logo
8:16 pm - 12:20 am
SFO
-
POA
24h 04m
1 stop
$778Copa Airlines
Fri, May 22 - Sat, May 30
GOL Logo
4:15 pm - 10:58 pm
POA
-
SFO
34h 43m
2 stops
GOL Logo
7:04 am - 6:55 pm
SFO
-
POA
31h 51m
2 stops
$808GOL
Thu, Sep 17 - Mon, Oct 5
American Airlines Logo
6:25 pm - 7:10 pm
POA
-
SFO
28h 45m
2 stops
American Airlines Logo
11:24 am - 3:35 pm
SFO
-
POA
24h 11m
2 stops
$828American Airlines
Wed, Jun 24 - Sat, Jul 4
Copa Airlines Logo
1:20 am - 11:40 pm
POA
-
SFO
26h 20m
1 stop
Copa Airlines Logo
8:16 pm - 12:20 am
SFO
-
POA
24h 04m
1 stop
$836Copa Airlines
Sun, Jun 14 - Sun, Jun 21
GOL Logo
1:35 pm - 10:58 pm
POA
-
SFO
37h 23m
2 stops
GOL Logo
2:03 pm - 8:35 pm
SFO
-
POA
26h 32m
2 stops
$869GOL
Wed, May 20 - Wed, Jun 3
GOL Logo
1:35 pm - 10:58 pm
POA
-
SFO
37h 23m
2 stops
GOL Logo
10:17 am - 8:35 pm
SFO
-
POA
30h 18m
2 stops
$870GOL
Wed, May 20 - Wed, Jun 3

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GOL flights from Porto Alegre to San Francisco

Our best GOL deals on Porto Alegre to San Francisco flight tickets
GOL
Sep 17
POA4:15 pmPorto Alegre Salgado Filho
34h 43m
2 stops
SFO10:58 pmSan Francisco
Oct 5
SFO7:04 amSan Francisco
31h 51m
2 stops
POA6:55 pmPorto Alegre Salgado Filho
$808
GOL
May 20
POA1:35 pmPorto Alegre Salgado Filho
37h 23m
2 stops
SFO10:58 pmSan Francisco
Jun 3
SFO2:03 pmSan Francisco
26h 32m
2 stops
POA8:35 pmPorto Alegre Salgado Filho
$869
GOL
May 20
POA1:35 pmPorto Alegre Salgado Filho
37h 23m
2 stops
SFO10:58 pmSan Francisco
Jun 3
SFO10:17 amSan Francisco
30h 18m
2 stops
POA8:35 pmPorto Alegre Salgado Filho
$870

American Airlines flights from Porto Alegre to San Francisco

Our best American Airlines deals on Porto Alegre to San Francisco flight tickets
American Airlines
Sep 16
POA6:25 pmPorto Alegre Salgado Filho
28h 51m
2 stops
SFO7:16 pmSan Francisco
Oct 6
SFO8:49 amSan Francisco
26h 46m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
$747
American Airlines
Jun 2
POA2:00 pmPorto Alegre Salgado Filho
24h 35m
2 stops
SFO10:35 amSan Francisco
Jun 9
SFO2:03 pmSan Francisco
21h 32m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
$764
American Airlines
Jun 24
POA6:25 pmPorto Alegre Salgado Filho
28h 45m
2 stops
SFO7:10 pmSan Francisco
Jul 4
SFO11:24 amSan Francisco
24h 11m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
$828

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 April 23, 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

Cheapest round-trip

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Wed 9/16

1:20 am-11:40 pm

1 stop26h 20m

San Francisco

Sun 10/4

1:12 am-12:20 am

1 stop19h 08m

$725

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Wed 9/16

6:25 pm-7:16 pm

2 stops28h 51m

San Francisco

Tue 10/6

8:49 am-3:35 pm

2 stops26h 46m

$747
Quickest round-trip

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Tue 5/19

1:20 am-6:14 pm

1 stop20h 54m

San Francisco

Wed 6/3

8:16 pm-12:20 am

1 stop24h 04m

$758

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Tue 6/2

2:00 pm-10:35 am

2 stops24h 35m

San Francisco

Tue 6/9

2:03 pm-3:35 pm

2 stops21h 32m

$764

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Fri 5/22

1:20 am-11:40 pm

1 stop26h 20m

San Francisco

Sat 5/30

8:16 pm-12:20 am

1 stop24h 04m

$778

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Thu 9/17

4:15 pm-10:58 pm

2 stops34h 43m

San Francisco

Mon 10/5

7:04 am-6:55 pm

2 stops31h 51m

$808

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Wed 6/24

6:25 pm-7:10 pm

2 stops28h 45m

San Francisco

Sat 7/4

11:24 am-3:35 pm

2 stops24h 11m

$828

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Sun 6/14

1:20 am-11:40 pm

1 stop26h 20m

San Francisco

Sun 6/21

8:16 pm-12:20 am

1 stop24h 04m

$836

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Wed 5/20

1:35 pm-10:58 pm

2 stops37h 23m

San Francisco

Wed 6/3

2:03 pm-8:35 pm

2 stops26h 32m

$869

Porto AlegreSan Francisco

POA - SFO

POASFO

Porto Alegre Salgado Filho

Wed 5/20

1:35 pm-10:58 pm

2 stops37h 23m

San Francisco

Wed 6/3

10:17 am-8:35 pm

2 stops30h 18m

$870

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 typical price of a round-trip flight between Porto Alegre and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $843.

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 16m

Direct flights

None
The fastest flight from Porto Alegre to San Francisco takes 20h 16m
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

Frequently asked questions about flying from Porto Alegre to San Francisco

  • 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 6554.2 mi. In terms of flight time, this usually takes a little over 20h 16m.

  • 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
Walnut Creek
Roseville
Hayward
Santa Clara
Berkeley
Fremont
Vallejo
Big Sur
Calistoga
Daly City
Salinas
South San Francisco
Sunnyvale
Milpitas
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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