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Cheap flights from California to Porto Alegre from $390

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 8/17. 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
10:15 pm - 12:40 am
LAX
-
POA
21h 25m
2 stops
LATAM Airlines Logo
5:15 am - 6:50 am
POA
-
LAX
30h 35m
2 stops
$664LATAM Airlines
Tue, Nov 10 - Thu, Nov 12
LATAM Airlines Logo
9:35 am - 4:50 pm
LAX
-
POA
26h 15m
2 stops
LATAM Airlines Logo
10:45 am - 6:50 am
POA
-
LAX
25h 05m
2 stops
$702LATAM Airlines
Tue, Nov 10 - Thu, Nov 12
Multiple Airlines Logo
6:25 pm - 10:50 am
LAX
-
POA
36h 25m
2 stops
Multiple Airlines Logo
6:00 am - 10:28 pm
POA
-
LAX
20h 28m
2 stops
$782Multiple Airlines
Tue, Aug 4 - Wed, Sep 2
Multiple Airlines Logo
9:12 am - 11:15 am
LAX
-
POA
22h 03m
2 stops
Multiple Airlines Logo
4:45 am - 10:28 pm
POA
-
LAX
21h 43m
2 stops
$783Multiple Airlines
Mon, Aug 3 - Wed, Sep 2
Copa Airlines Logo
2:19 am - 12:15 am
LAX
-
POA
17h 56m
1 stop
Copa Airlines Logo
1:15 am - 12:39 pm
POA
-
LAX
15h 24m
1 stop
$900Copa Airlines
Sun, Aug 16 - Tue, Aug 25
Air Canada Logo
8:40 am - 4:20 pm
SFO
-
POA
26h 40m
2 stops
Air Canada Logo
3:25 pm - 11:05 am
POA
-
SFO
24h 40m
2 stops
$920Air Canada
Tue, Nov 10 - Tue, Dec 1
American Airlines Logo
1:41 pm - 3:40 pm
SAN
-
POA
21h 59m
2 stops
American Airlines Logo
2:05 pm - 10:29 am
POA
-
SAN
24h 24m
2 stops
$930American Airlines
Thu, Aug 6 - Thu, Aug 13
Air Canada Logo
8:40 am - 4:20 pm
SFO
-
POA
26h 40m
2 stops
Air Canada Logo
3:25 pm - 11:05 am
POA
-
SFO
24h 40m
2 stops
$963Air Canada
Tue, Nov 10 - Tue, Dec 1
Copa Airlines Logo
12:34 am - 12:15 am
LAS
-
POA
19h 41m
1 stop
Copa Airlines Logo
7:55 am - 10:30 pm
POA
-
LAS
18h 35m
1 stop
$986Copa Airlines
Mon, Jul 6 - Tue, Jul 28
American Airlines Logo
7:00 am - 10:50 am
LAS
-
POA
23h 50m
2 stops
American Airlines Logo
2:00 pm - 11:41 am
POA
-
LAS
25h 41m
2 stops
$1,008American Airlines
Tue, Jul 7 - Tue, Jul 28

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Air Canada flights from California to Porto Alegre

Our best Air Canada deals on California to Porto Alegre flight tickets
Air Canada
Nov 10
SFO8:40 amSan Francisco
26h 40m
2 stops
POA4:20 pmPorto Alegre Salgado Filho
Dec 1
POA3:25 pmPorto Alegre Salgado Filho
24h 40m
2 stops
SFO11:05 amSan Francisco
$920
Air Canada
Nov 10
SFO8:40 amSan Francisco
26h 40m
2 stops
POA4:20 pmPorto Alegre Salgado Filho
Dec 1
POA3:25 pmPorto Alegre Salgado Filho
24h 40m
2 stops
SFO11:05 amSan Francisco
$963
Air Canada
Nov 10
SFO8:30 amSan Francisco
24h 50m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
Dec 1
POA3:25 pmPorto Alegre Salgado Filho
32h 49m
2 stops
SFO7:14 pmSan Francisco
$983

Copa Airlines flights from California to Porto Alegre

Our best Copa Airlines deals on California to Porto Alegre flight tickets
Copa Airlines
Aug 16
LAX2:19 amLos Angeles
17h 56m
1 stop
POA12:15 amPorto Alegre Salgado Filho
Aug 25
POA1:15 amPorto Alegre Salgado Filho
15h 24m
1 stop
LAX12:39 pmLos Angeles
$900
Copa Airlines
Jul 6
LAS12:34 amLas Vegas Harry Reid Intl
19h 41m
1 stop
POA12:15 amPorto Alegre Salgado Filho
Jul 28
POA7:55 amPorto Alegre Salgado Filho
18h 35m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$986
Copa Airlines
Nov 10
SFO7:36 pmSan Francisco
23h 49m
1 stop
POA12:25 amPorto Alegre Salgado Filho
Nov 30
POA1:35 amPorto Alegre Salgado Filho
20h 50m
1 stop
SFO5:25 pmSan Francisco
$1,114

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 June 25, 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 - POA

LAXPOA

Los Angeles

Tue 11/10

10:15 pm-12:40 am

2 stops21h 25m

Porto Alegre Salgado Filho

Thu 11/12

5:15 am-6:50 am

2 stops30h 35m

$664

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 11/10

9:35 am-4:50 pm

2 stops26h 15m

Porto Alegre Salgado Filho

Thu 11/12

10:45 am-6:50 am

2 stops25h 05m

$702

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 8/4

6:25 pm-10:50 am

2 stops36h 25m

Porto Alegre Salgado Filho

Wed 9/2

6:00 am-10:28 pm

2 stops20h 28m

$782

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Mon 8/3

9:12 am-11:15 am

2 stops22h 03m

Porto Alegre Salgado Filho

Wed 9/2

4:45 am-10:28 pm

2 stops21h 43m

$783
Quickest round-trip

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Sun 8/16

2:19 am-12:15 am

1 stop17h 56m

Porto Alegre Salgado Filho

Tue 8/25

1:15 am-12:39 pm

1 stop15h 24m

$900

San FranciscoPorto Alegre

SFO - POA

SFOPOA

San Francisco

Tue 11/10

8:40 am-4:20 pm

2 stops26h 40m

Porto Alegre Salgado Filho

Tue 12/1

3:25 pm-11:05 am

2 stops24h 40m

$920

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Thu 8/6

1:41 pm-3:40 pm

2 stops21h 59m

Porto Alegre Salgado Filho

Thu 8/13

2:05 pm-10:29 am

2 stops24h 24m

$930

San FranciscoPorto Alegre

SFO - POA

SFOPOA

San Francisco

Tue 11/10

8:40 am-4:20 pm

2 stops26h 40m

Porto Alegre Salgado Filho

Tue 12/1

3:25 pm-11:05 am

2 stops24h 40m

$963

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Mon 7/6

12:34 am-12:15 am

1 stop19h 41m

Porto Alegre Salgado Filho

Tue 7/28

7:55 am-10:30 pm

1 stop18h 35m

$986

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Tue 7/7

7:00 am-10:50 am

2 stops23h 50m

Porto Alegre Salgado Filho

Tue 7/28

2:00 pm-11:41 am

2 stops25h 41m

$1,008

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 December. Flight prices, which tend to average around $251, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in December, then January is your next best option. Flight prices from California to Porto Alegre during January average around $279.

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

You could potentially save up to 16% 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

19h 05m

Direct flights

None
The fastest flight from California to Porto Alegre takes 19h 05m
There are no direct flights from California to Porto Alegre. There are no popular flight routes from California to Porto Alegre.
Search flight deals

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 $317Free CancellationRating
7.6
1,569 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $356Free CancellationRating
7.4
9,886 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $833Free CancellationRating
7.4
1,942 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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