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Cheap flights from California to Porto Alegre from $269

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 3/8. 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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0 bags

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Find the cheapest flights from California to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:50 pm - 11:35 am
LAX
-
POA
17h 45m1 stop
Multiple Airlines Logo
6:15 pm - 9:15 pm
POA
-
LAX
32h 00m3 stops
$695Multiple Airlines
Wed, Jan 7 - Wed, Jan 28
Copa Airlines Logo
1:11 am - 12:30 am
LAX
-
POA
18h 19m1 stop
Copa Airlines Logo
1:45 am - 10:26 pm
POA
-
LAX
25h 41m1 stop
$720Copa Airlines
Tue, Jan 6 - Tue, Jan 27
American Airlines Logo
1:25 pm - 5:45 pm
SFO
-
POA
23h 20m2 stops
American Airlines Logo
6:00 pm - 12:09 pm
POA
-
SFO
23h 09m2 stops
$733American Airlines
Thu, Jan 22 - Wed, Feb 4
United Airlines Logo
6:00 am - 4:20 pm
LAS
-
POA
30h 20m2 stops
United Airlines Logo
5:10 pm - 8:13 am
POA
-
LAS
43h 03m2 stops
$751United Airlines
Mon, Mar 16 - Wed, Mar 18
LATAM Airlines Logo
12:50 pm - 11:35 am
LAX
-
POA
17h 45m1 stop
LATAM Airlines Logo
2:50 pm - 6:50 am
POA
-
LAX
21h 00m2 stops
$802LATAM Airlines
Wed, Jan 7 - Wed, Jan 28
LATAM Airlines Logo
10:59 pm - 2:10 am
LAX
-
POA
23h 11m2 stops
LATAM Airlines Logo
2:00 pm - 7:50 am
POA
-
LAX
21h 50m2 stops
$807LATAM Airlines
Tue, Mar 31 - Wed, Apr 8
United Airlines Logo
11:59 pm - 2:05 pm
SMF
-
POA
34h 06m2 stops
United Airlines Logo
5:10 pm - 12:50 pm
POA
-
SMF
23h 40m2 stops
$840United Airlines
Sun, Mar 15 - Wed, Mar 18
Multiple Airlines Logo
8:36 pm - 12:40 am
SAN
-
POA
24h 04m2 stops
Multiple Airlines Logo
5:50 pm - 2:52 pm
POA
-
SAN
25h 02m2 stops
$842Multiple Airlines
Thu, Mar 19 - Tue, Mar 31
United Airlines Logo
5:00 am - 2:20 pm
SMF
-
POA
29h 20m2 stops
United Airlines Logo
5:10 pm - 12:50 pm
POA
-
SMF
23h 40m2 stops
$880United Airlines
Sun, Mar 15 - Wed, Mar 18
GOL Logo
1:15 pm - 8:40 am
SFO
-
POA
38h 25m2 stops
GOL Logo
5:05 am - 11:04 am
POA
-
SFO
34h 59m2 stops
$1,157GOL
Mon, Jan 12 - Sun, Jan 18

Copa Airlines flights from California to Porto Alegre

Our best Copa Airlines deals on California to Porto Alegre flight tickets
Copa Airlines
Jan 6
LAX1:11 amLos Angeles
18h 19m
1 stop
POA12:30 amPorto Alegre Salgado Filho
Jan 27
POA1:45 amPorto Alegre Salgado Filho
25h 41m
1 stop
LAX10:26 pmLos Angeles
$720
Find similar
Copa Airlines
Mar 30
LAX2:03 amLos Angeles
18h 22m
1 stop
POA12:25 amPorto Alegre Salgado Filho
Apr 7
POA1:35 amPorto Alegre Salgado Filho
25h 44m
1 stop
LAX11:19 pmLos Angeles
$993
Find similar
Copa Airlines
Dec 24
LAX9:04 pmLos Angeles
22h 26m
1 stop
POA12:30 amPorto Alegre Salgado Filho
Jan 1
POA1:45 amPorto Alegre Salgado Filho
15h 15m
1 stop
LAX12:00 pmLos Angeles
$1,591
Find similar

United Airlines flights from California to Porto Alegre

Our best United Airlines deals on California to Porto Alegre flight tickets
United Airlines
Mar 16
LAS6:00 amLas Vegas Harry Reid Intl
30h 20m
2 stops
POA4:20 pmPorto Alegre Salgado Filho
Mar 18
POA5:10 pmPorto Alegre Salgado Filho
43h 03m
2 stops
LAS8:13 amLas Vegas Harry Reid Intl
$751
Find similar
United Airlines
Mar 15
SMF11:59 pmSacramento Intl
34h 06m
2 stops
POA2:05 pmPorto Alegre Salgado Filho
Mar 18
POA5:10 pmPorto Alegre Salgado Filho
23h 40m
2 stops
SMF12:50 pmSacramento Intl
$840
Find similar
United Airlines
Mar 15
SMF5:00 amSacramento Intl
29h 20m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
Mar 18
POA5:10 pmPorto Alegre Salgado Filho
23h 40m
2 stops
SMF12:50 pmSacramento Intl
$880
Find similar

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 December 21, 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 1/7

12:50 pm-11:35 am

1 stop17h 45m

Porto Alegre Salgado Filho

Wed 1/28

6:15 pm-9:15 pm

3 stops32h 00m

$695

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 1/6

1:11 am-12:30 am

1 stop18h 19m

Porto Alegre Salgado Filho

Tue 1/27

1:45 am-10:26 pm

1 stop25h 41m

$720

San FranciscoPorto Alegre

SFO - POA

SFOPOA

San Francisco

Thu 1/22

1:25 pm-5:45 pm

2 stops23h 20m

Porto Alegre Salgado Filho

Wed 2/4

6:00 pm-12:09 pm

2 stops23h 09m

$733

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Mon 3/16

6:00 am-4:20 pm

2 stops30h 20m

Porto Alegre Salgado Filho

Wed 3/18

5:10 pm-8:13 am

2 stops43h 03m

$751

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Wed 1/7

12:50 pm-11:35 am

1 stop17h 45m

Porto Alegre Salgado Filho

Wed 1/28

2:50 pm-6:50 am

2 stops21h 00m

$802

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 3/31

10:59 pm-2:10 am

2 stops23h 11m

Porto Alegre Salgado Filho

Wed 4/8

2:00 pm-7:50 am

2 stops21h 50m

$807

SacramentoPorto Alegre

SMF - POA

SMFPOA

Sacramento Intl

Sun 3/15

11:59 pm-2:05 pm

2 stops34h 06m

Porto Alegre Salgado Filho

Wed 3/18

5:10 pm-12:50 pm

2 stops23h 40m

$840

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Thu 3/19

8:36 pm-12:40 am

2 stops24h 04m

Porto Alegre Salgado Filho

Tue 3/31

5:50 pm-2:52 pm

2 stops25h 02m

$842

SacramentoPorto Alegre

SMF - POA

SMFPOA

Sacramento Intl

Sun 3/15

5:00 am-2:20 pm

2 stops29h 20m

Porto Alegre Salgado Filho

Wed 3/18

5:10 pm-12:50 pm

2 stops23h 40m

$880

San FranciscoPorto Alegre

SFO - POA

SFOPOA

San Francisco

Mon 1/12

1:15 pm-8:40 am

2 stops38h 25m

Porto Alegre Salgado Filho

Sun 1/18

5:05 am-11:04 am

2 stops34h 59m

$1,157

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 Porto Alegre from

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 August is your next best option. Flight prices from California to Porto Alegre during August average around $569.

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 $671 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 $493 on momondo.

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

You could potentially save up to 3% 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

17h 45m

Direct flights

None
The fastest flight from California to Porto Alegre takes 17h 45m
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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  • 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
9,099 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $345Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
DeltaPriceFrom $489Free CancellationRating
7.9
8,021 reviews
Search Delta flights
LATAM AirlinesPriceFrom $503Free CancellationRating
7.5
1,893 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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