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Cheap flights from California to Porto Alegre from $400

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Porto Alegre departing on 8/19. 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
1 adult, Economy, 0 bags

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Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from California to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
8:30 pm - 9:30 pmLAX  Los Angeles-POA Porto Alegre Salgado Filho
20h 00m2 stops Lima J Chavez Intl Sao Paulo Guarulhos Intl
LATAM Airlines Logo
5:15 am - 6:45 amPOA  Porto Alegre Salgado Filho-LAX Los Angeles
30h 30m2 stops Brasilia Lima J Chavez Intl
$735LATAM Airlines
Mon, Nov 9 - Wed, Nov 11
LATAM Airlines Logo
12:35 pm - 5:15 pmLAX  Los Angeles-POA Porto Alegre Salgado Filho
23h 40m1 stop Sao Paulo Guarulhos Intl
LATAM Airlines Logo
5:15 am - 6:45 amPOA  Porto Alegre Salgado Filho-LAX Los Angeles
30h 30m2 stops Brasilia Lima J Chavez Intl
$735LATAM Airlines
Mon, Nov 9 - Wed, Nov 11
Copa Airlines Logo
10:00 pm - 12:20 amSAN  San Diego-POA Porto Alegre Salgado Filho
22h 20m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:20 am - 6:29 pmPOA  Porto Alegre Salgado Filho-SAN San Diego
21h 09m1 stop Panama City Tocumen Intl
$789Copa Airlines
Sun, Sep 20 - Sat, Sep 26
Copa Airlines Logo
10:00 pm - 12:20 amSAN  San Diego-POA Porto Alegre Salgado Filho
22h 20m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:25 am - 6:27 pmPOA  Porto Alegre Salgado Filho-SAN San Diego
21h 02m1 stop Panama City Tocumen Intl
$789Copa Airlines
Fri, Oct 9 - Wed, Oct 28
Multiple Airlines Logo
10:30 pm - 7:20 pmSAN  San Diego-POA Porto Alegre Salgado Filho
40h 50m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
Multiple Airlines Logo
5:50 pm - 9:35 pmPOA  Porto Alegre Salgado Filho-SAN San Diego
31h 45m2 stops Sao Paulo Guarulhos Intl Boston Logan Intl
$891Multiple Airlines
Sat, Oct 3 - Wed, Oct 21
Delta Logo
9:30 am - 2:15 pmLAX  Los Angeles-POA Porto Alegre Salgado Filho
24h 45m2 stops Miami Sao Paulo Guarulhos Intl
Delta Logo
7:20 am - 7:00 pmPOA  Porto Alegre Salgado Filho-LAX Los Angeles
15h 40m1 stop Lima J Chavez Intl
$904Delta
Thu, Sep 10 - Sat, Sep 26
Delta Logo
9:30 am - 2:40 pmLAX  Los Angeles-POA Porto Alegre Salgado Filho
25h 10m2 stops Miami Sao Paulo Guarulhos Intl
Delta Logo
7:05 pm - 7:15 amPOA  Porto Alegre Salgado Filho-LAX Los Angeles
16h 10m1 stop Santiago Arturo Merino Benitez
$904Delta
Fri, Sep 11 - Thu, Sep 24
United Airlines Logo
10:44 am - 2:25 pmLAX  Los Angeles-POA Porto Alegre Salgado Filho
23h 41m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
3:45 pm - 12:00 pmPOA  Porto Alegre Salgado Filho-LAX Los Angeles
24h 15m2 stops Sao Paulo Guarulhos Intl Washington, D.C. Dulles Intl
$971United Airlines
Thu, Sep 10 - Thu, Sep 24
United Airlines Logo
11:56 am - 1:10 pmLAX  Los Angeles-POA Porto Alegre Salgado Filho
21h 14m2 stops Houston George Bush Intcntl Rio de Janeiro–Galeão Intl
United Airlines Logo
5:10 pm - 11:23 amPOA  Porto Alegre Salgado Filho-LAX Los Angeles
22h 13m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$971United Airlines
Wed, Sep 9 - Tue, Sep 22
Multiple Airlines Logo
2:00 pm - 5:50 pmSFO  San Francisco-POA Porto Alegre Salgado Filho
22h 50m2 stops Toronto Pearson Intl Rio de Janeiro–Galeão Intl
Multiple Airlines Logo
5:10 pm - 11:05 amPOA  Porto Alegre Salgado Filho-SFO San Francisco
22h 55m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$995Multiple Airlines
Tue, Nov 10 - Tue, Dec 1

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LATAM Airlines flights from California to Porto Alegre

Our best LATAM Airlines deals on California to Porto Alegre flight tickets
LATAM Airlines
Nov 9
LAX12:35 pmLos Angeles
23h 40m
1 stop
POA5:15 pmPorto Alegre Salgado Filho
Nov 11
POA5:15 amPorto Alegre Salgado Filho
30h 30m
2 stops
LAX6:45 amLos Angeles
$735
LATAM Airlines
Nov 9
LAX10:25 amLos Angeles
15h 15m
1 stop
POA6:40 amPorto Alegre Salgado Filho
Nov 10
POA3:30 amPorto Alegre Salgado Filho
19h 30m
2 stops
LAX6:00 pmLos Angeles
$739
LATAM Airlines
Nov 9
LAX12:35 pmLos Angeles
25h 40m
1 stop
POA7:15 pmPorto Alegre Salgado Filho
Nov 11
POA5:40 pmPorto Alegre Salgado Filho
17h 40m
1 stop
LAX6:20 amLos Angeles
$742

Copa Airlines flights from California to Porto Alegre

Our best Copa Airlines deals on California to Porto Alegre flight tickets
Copa Airlines
Sep 20
SAN10:00 pmSan Diego
22h 20m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Sep 26
POA1:20 amPorto Alegre Salgado Filho
21h 09m
1 stop
SAN6:29 pmSan Diego
$789
Copa Airlines
Aug 27
LAX12:06 pmLos Angeles
32h 09m
1 stop
POA12:15 amPorto Alegre Salgado Filho
Sep 9
POA1:20 amPorto Alegre Salgado Filho
25h 55m
1 stop
LAX11:15 pmLos Angeles
$820
Copa Airlines
Oct 25
SFO8:36 pmSan Francisco
23h 49m
1 stop
POA12:25 amPorto Alegre Salgado Filho
Nov 1
POA1:30 amPorto Alegre Salgado Filho
26h 42m
1 stop
SFO11:12 pmSan Francisco
$883

momondo Fare Finder

 
Customize your flight search to find flights from California 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, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from California to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesPorto Alegre

LAX Los Angeles - POA Porto Alegre Salgado Filho

LAXPOA

Los Angeles

Mon 11/9

8:30 pm-9:30 pm

2 stops20h 00m

Porto Alegre Salgado Filho

Wed 11/11

5:15 am-6:45 am

2 stops30h 30m

$735

Los AngelesPorto Alegre

LAX Los Angeles - POA Porto Alegre Salgado Filho

LAXPOA

Los Angeles

Mon 11/9

12:35 pm-5:15 pm

1 stop23h 40m

Porto Alegre Salgado Filho

Wed 11/11

5:15 am-6:45 am

2 stops30h 30m

$735

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Sun 9/20

10:00 pm-12:20 am

1 stop22h 20m

Porto Alegre Salgado Filho

Sat 9/26

1:20 am-6:29 pm

1 stop21h 09m

$789

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Fri 10/9

10:00 pm-12:20 am

1 stop22h 20m

Porto Alegre Salgado Filho

Wed 10/28

1:25 am-6:27 pm

1 stop21h 02m

$789

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Sat 10/3

10:30 pm-7:20 pm

2 stops40h 50m

Porto Alegre Salgado Filho

Wed 10/21

5:50 pm-9:35 pm

2 stops31h 45m

$891
Quickest round-trip

Los AngelesPorto Alegre

LAX Los Angeles - POA Porto Alegre Salgado Filho

LAXPOA

Los Angeles

Thu 9/10

9:30 am-2:15 pm

2 stops24h 45m

Porto Alegre Salgado Filho

Sat 9/26

7:20 am-7:00 pm

1 stop15h 40m

$904

Los AngelesPorto Alegre

LAX Los Angeles - POA Porto Alegre Salgado Filho

LAXPOA

Los Angeles

Fri 9/11

9:30 am-2:40 pm

2 stops25h 10m

Porto Alegre Salgado Filho

Thu 9/24

7:05 pm-7:15 am

1 stop16h 10m

$904

Los AngelesPorto Alegre

LAX Los Angeles - POA Porto Alegre Salgado Filho

LAXPOA

Los Angeles

Thu 9/10

10:44 am-2:25 pm

2 stops23h 41m

Porto Alegre Salgado Filho

Thu 9/24

3:45 pm-12:00 pm

2 stops24h 15m

$971

Los AngelesPorto Alegre

LAX Los Angeles - POA Porto Alegre Salgado Filho

LAXPOA

Los Angeles

Wed 9/9

11:56 am-1:10 pm

2 stops21h 14m

Porto Alegre Salgado Filho

Tue 9/22

5:10 pm-11:23 am

2 stops22h 13m

$971

San FranciscoPorto Alegre

SFO San Francisco - POA Porto Alegre Salgado Filho

SFOPOA

San Francisco

Tue 11/10

2:00 pm-5:50 pm

2 stops22h 50m

Porto Alegre Salgado Filho

Tue 12/1

5:10 pm-11:05 am

2 stops22h 55m

$995

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from California to Porto Alegre

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 Porto Alegre?

The cheapest month to fly to Porto Alegre from California is in September. Flight prices, which tend to average around $524, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in September, then November is your next best option. Flight prices from California to Porto Alegre during November average around $554.

Can stopping save me money on California to Porto Alegre flights?

You could potentially save up to 27% on your flight if you consider stops on a California to Porto Alegre flight.

Cheap California to Porto Alegre flight deals and tips

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

Fastest flight time

15h 15m

Direct flights

None
The fastest flight from California to Porto Alegre takes 15h 15m
There are no direct flights from California to Porto Alegre. There are no popular flight routes from California to Porto Alegre.
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Frequently asked questions about flying from California to Porto Alegre

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

    Prices for flights from California to Porto Alegre Salgado Filho Airport refresh daily.

  • How many operators does momondo search for flights from California to Porto Alegre Salgado Filho Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The required travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Alegre Salgado Filho Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Porto Alegre

Compare and see reviews for airlines that fly from California to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $339Free CancellationRating
7.6
1,563 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $356Free CancellationRating
7.4
10,103 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $891Free CancellationRating
7.4
1,974 reviews
Search LATAM Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to Porto Alegre. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Porto Alegre from California which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto Alegre from California.

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

Yes momondo offers price alerts on flights to Porto Alegre from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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