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Cheap flights from California to Porto Alegre from $238

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 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from California to Porto Alegre

Cheap round-trip flights

United Airlines Logo
11:16 pm - 4:10 pmLAX-POA
36h 54m2 stops
United Airlines Logo
3:25 pm - 1:37 pmPOA-LAX
26h 12m2 stops
$526United Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
United Airlines Logo
11:59 pm - 4:10 pmLAS-POA
35h 11m2 stops
United Airlines Logo
3:25 pm - 12:57 pmPOA-LAS
26h 32m2 stops
$576United Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
Logo
2:01 am - 8:45 amLAX-POA
26h 44m2 stops
Logo
11:25 am - 12:30 pmPOA-LAX
29h 05m3 stops
$603
Find Deal
Tue, Sep 16 - Wed, Sep 24
LATAM Airlines Logo
11:30 am - 7:50 pmLAX-POA
28h 20m2 stops
LATAM Airlines Logo
5:45 pm - 10:59 amPOA-LAX
21h 14m2 stops
$605LATAM Airlines
Find Deal
Sun, Oct 5 - Wed, Oct 15
LATAM Airlines Logo
11:30 am - 11:30 amLAX-POA
20h 00m2 stops
LATAM Airlines Logo
1:40 pm - 7:45 amPOA-LAX
22h 05m2 stops
$608LATAM Airlines
Find Deal
Sun, Aug 31 - Sun, Sep 14
Copa Airlines Logo
1:30 am - 12:20 amSFO-POA
18h 50m1 stop
Copa Airlines Logo
1:27 am - 11:25 pmPOA-SFO
25h 58m1 stop
$645Copa Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
Logo
2:01 am - 9:45 amLAX-POA
27h 44m2 stops
Logo
3:25 pm - 12:30 pmPOA-LAX
25h 05m2 stops
$646
Find Deal
Tue, Sep 16 - Wed, Sep 24
American Airlines Logo
8:00 am - 10:25 amSFO-POA
22h 25m2 stops
American Airlines Logo
1:55 pm - 11:15 amPOA-SFO
25h 20m2 stops
$666American Airlines
Find Deal
Mon, Aug 18 - Mon, Aug 25
American Airlines Logo
7:00 am - 10:25 amLAS-POA
23h 25m2 stops
American Airlines Logo
5:55 pm - 11:11 amPOA-LAS
21h 16m2 stops
$691American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 28
Copa Airlines Logo
2:01 am - 12:20 amLAX-POA
18h 19m1 stop
Copa Airlines Logo
1:27 am - 12:30 pmPOA-LAX
15h 03m1 stop
$830Copa Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23

American Airlines flights from California to Porto Alegre

Our best American Airlines deals on California to Porto Alegre flight tickets
American Airlines
Aug 18
SFO8:00 amSan Francisco
22h 25m
2 stops
POA10:25 amPorto Alegre Salgado Filho
Aug 25
POA1:55 pmPorto Alegre Salgado Filho
25h 20m
2 stops
SFO11:15 amSan Francisco
$666
Find similar
American Airlines
Oct 14
LAS7:00 amLas Vegas Harry Reid Intl
23h 25m
2 stops
POA10:25 amPorto Alegre Salgado Filho
Oct 28
POA5:55 pmPorto Alegre Salgado Filho
21h 16m
2 stops
LAS11:11 amLas Vegas Harry Reid Intl
$691
Find similar
American Airlines
Jan 12
SAN3:03 pmSan Diego
44h 22m
2 stops
POA4:25 pmPorto Alegre Salgado Filho
Jan 25
POA5:55 pmPorto Alegre Salgado Filho
20h 31m
2 stops
SAN9:26 amSan Diego
$917
Find similar

United Airlines flights from California to Porto Alegre

Our best United Airlines deals on California to Porto Alegre flight tickets
United Airlines
Sep 17
LAX11:16 pmLos Angeles
36h 54m
2 stops
POA4:10 pmPorto Alegre Salgado Filho
Sep 24
POA3:25 pmPorto Alegre Salgado Filho
26h 12m
2 stops
LAX1:37 pmLos Angeles
$526
Find similar
United Airlines
Nov 26
LAS11:59 pmLas Vegas Harry Reid Intl
35h 11m
2 stops
POA4:10 pmPorto Alegre Salgado Filho
Dec 1
POA3:25 pmPorto Alegre Salgado Filho
26h 32m
2 stops
LAS12:57 pmLas Vegas Harry Reid Intl
$576
Find similar
United Airlines
Oct 4
LAX12:56 amLos Angeles
35h 14m
2 stops
POA4:10 pmPorto Alegre Salgado Filho
Oct 15
POA5:10 pmPorto Alegre Salgado Filho
27h 53m
2 stops
LAX5:03 pmLos Angeles
$598
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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 4, 2025.
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

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Wed 9/17

11:16 pm-4:10 pm

2 stops36h 54m

Porto Alegre Salgado Filho

Wed 9/24

3:25 pm-1:37 pm

2 stops26h 12m

$526

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Wed 11/26

11:59 pm-4:10 pm

2 stops35h 11m

Porto Alegre Salgado Filho

Mon 12/1

3:25 pm-12:57 pm

2 stops26h 32m

$576

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 9/16

2:01 am-8:45 am

2 stops26h 44m

Porto Alegre Salgado Filho

Wed 9/24

11:25 am-12:30 pm

3 stops29h 05m

$603

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Sun 10/5

11:30 am-7:50 pm

2 stops28h 20m

Porto Alegre Salgado Filho

Wed 10/15

5:45 pm-10:59 am

2 stops21h 14m

$605

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Sun 8/31

11:30 am-11:30 am

2 stops20h 00m

Porto Alegre Salgado Filho

Sun 9/14

1:40 pm-7:45 am

2 stops22h 05m

$608

San FranciscoPorto Alegre

SFO - POA

SFOPOA

San Francisco

Tue 9/16

1:30 am-12:20 am

1 stop18h 50m

Porto Alegre Salgado Filho

Tue 9/23

1:27 am-11:25 pm

1 stop25h 58m

$645

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 9/16

2:01 am-9:45 am

2 stops27h 44m

Porto Alegre Salgado Filho

Wed 9/24

3:25 pm-12:30 pm

2 stops25h 05m

$646

San FranciscoPorto Alegre

SFO - POA

SFOPOA

San Francisco

Mon 8/18

8:00 am-10:25 am

2 stops22h 25m

Porto Alegre Salgado Filho

Mon 8/25

1:55 pm-11:15 am

2 stops25h 20m

$666

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Tue 10/14

7:00 am-10:25 am

2 stops23h 25m

Porto Alegre Salgado Filho

Tue 10/28

5:55 pm-11:11 am

2 stops21h 16m

$691

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 9/16

2:01 am-12:20 am

1 stop18h 19m

Porto Alegre Salgado Filho

Tue 9/23

1:27 am-12:30 pm

1 stop15h 03m

$830

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 August. Flight prices, which tend to average around $569, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in August, then March is your next best option. Flight prices from California to Porto Alegre during March average around $578.

What is the cheapest day to depart on your flight to Porto Alegre?

Our data shows that Tuesday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $720. On the other hand, Saturday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $995.

What is the cheapest time of day to depart on your flight to Porto Alegre?

Our most recent data shows that the best time of day to fly to Porto Alegre is in the morning. Flights from California to Porto Alegre during this time can be as low as $741. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $927 on average. Flights to Porto Alegre from California in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Porto Alegre?

You are more likely to see cheaper flights to Porto Alegre from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around $694 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from California for as low as $464 on momondo.

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

You could potentially save up to 11% 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

Best Price Found

$238

Fastest flight time

14h 55m

Direct flights

None

Airports in Porto Alegre

1 airport
The best one-way flight to Porto Alegre from California in the past 72 hours is $238. The best round-trip flight deal from California to Porto Alegre found on momondo in the last 72 hours is $526.
The fastest flight from California to Porto Alegre takes 14h 55m
There are no direct flights from California to Porto Alegre. Popular non-direct routes for this connection are San Francisco Airport - Porto Alegre Salgado Filho Airport, San Diego Airport - Porto Alegre Salgado Filho Airport and Los Angeles Airport - Porto Alegre Salgado Filho Airport.
There is 1 airport near Porto Alegre: Porto Alegre Salgado Filho (POA)
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  • 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
United AirlinesPriceFrom $243Free CancellationRating
7.4
8,912 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $345Free CancellationRating
7.5
1,500 reviews
Search Copa Airlines flights
DeltaPriceFrom $489Free CancellationRating
8.0
7,987 reviews
Search Delta flights
LATAM AirlinesPriceFrom $503Free CancellationRating
7.5
1,830 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $512Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
GOLPriceFrom $669Free CancellationRating
7.3
1,091 reviews
Search GOL 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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