Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from California to Porto Alegre from $255

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 4/21. 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

Discover deals from 900+ travel sites with momondo.

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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from California to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
9:08 pm - 12:25 am
LAX
-
POA
22h 17m
1 stop
Copa Airlines Logo
1:30 am - 12:05 pm
POA
-
LAX
15h 35m
1 stop
$599Copa Airlines
Tue, Feb 24 - Tue, Mar 3
American Airlines Logo
12:05 pm - 5:45 pm
LAX
-
POA
24h 40m
2 stops
American Airlines Logo
7:20 pm - 3:21 pm
POA
-
LAX
24h 01m
2 stops
$617American Airlines
Tue, Mar 3 - Mon, Mar 9
American Airlines Logo
1:34 pm - 5:45 pm
LAX
-
POA
23h 11m
2 stops
American Airlines Logo
7:20 pm - 4:42 pm
POA
-
LAX
25h 22m
2 stops
$630American Airlines
Wed, Mar 4 - Mon, Mar 23
United Airlines Logo
11:25 pm - 11:00 am
LAX
-
POA
54h 35m
2 stops
United Airlines Logo
5:10 pm - 10:33 am
POA
-
LAX
22h 23m
2 stops
$652United Airlines
Tue, Feb 24 - Wed, Mar 4
Multiple Airlines Logo
1:05 am - 1:15 pm
LAX
-
POA
31h 10m
3 stops
Multiple Airlines Logo
8:45 pm - 11:00 pm
POA
-
LAX
30h 15m
3 stops
$686Multiple Airlines
Tue, Mar 3 - Mon, Mar 23
Multiple Airlines Logo
2:06 am - 12:25 am
LAX
-
POA
18h 19m
1 stop
Multiple Airlines Logo
9:20 pm - 11:56 pm
POA
-
LAX
54h 36m
2 stops
$755Multiple Airlines
Tue, Mar 10 - Tue, Apr 7
United Airlines Logo
8:00 am - 2:10 pm
SAN
-
POA
26h 10m
2 stops
United Airlines Logo
3:30 pm - 4:38 pm
POA
-
SAN
29h 08m
2 stops
$760United Airlines
Mon, Mar 16 - Thu, Mar 19
LATAM Airlines Logo
6:15 am - 6:10 am
SAN
-
POA
19h 55m
2 stops
LATAM Airlines Logo
7:05 pm - 6:03 pm
POA
-
SAN
26h 58m
2 stops
$811LATAM Airlines
Fri, May 1 - Sun, May 31
LATAM Airlines Logo
8:00 am - 2:05 pm
SFO
-
POA
26h 05m
2 stops
LATAM Airlines Logo
5:55 pm - 5:36 pm
POA
-
SFO
27h 41m
2 stops
$840LATAM Airlines
Fri, Mar 13 - Fri, Mar 27
Delta Logo
10:29 pm - 8:50 am
SFO
-
POA
30h 21m
2 stops
Delta Logo
7:25 am - 12:46 am
POA
-
SFO
21h 21m
2 stops
$949Delta
Thu, Apr 23 - Mon, May 11

United Airlines flights from California to Porto Alegre

Our best United Airlines deals on California to Porto Alegre flight tickets
United Airlines
Feb 24
LAX11:25 pmLos Angeles
54h 35m
2 stops
POA11:00 amPorto Alegre Salgado Filho
Mar 4
POA5:10 pmPorto Alegre Salgado Filho
22h 23m
2 stops
LAX10:33 amLos Angeles
$652
United Airlines
Mar 16
SAN8:00 amSan Diego
26h 10m
2 stops
POA2:10 pmPorto Alegre Salgado Filho
Mar 19
POA3:30 pmPorto Alegre Salgado Filho
29h 08m
2 stops
SAN4:38 pmSan Diego
$760
United Airlines
Mar 17
LAS2:00 pmLas Vegas Harry Reid Intl
20h 25m
2 stops
POA2:25 pmPorto Alegre Salgado Filho
Mar 19
POA3:30 pmPorto Alegre Salgado Filho
44h 43m
2 stops
LAS8:13 amLas Vegas Harry Reid Intl
$761

Copa Airlines flights from California to Porto Alegre

Our best Copa Airlines deals on California to Porto Alegre flight tickets
Copa Airlines
Feb 24
LAX9:08 pmLos Angeles
22h 17m
1 stop
POA12:25 amPorto Alegre Salgado Filho
Mar 3
POA1:30 amPorto Alegre Salgado Filho
15h 35m
1 stop
LAX12:05 pmLos Angeles
$599
Copa Airlines
Feb 21
LAX1:01 amLos Angeles
18h 24m
1 stop
POA12:25 amPorto Alegre Salgado Filho
Feb 25
POA1:30 amPorto Alegre Salgado Filho
15h 35m
1 stop
LAX12:05 pmLos Angeles
$709
Copa Airlines
Mar 17
LAX10:23 pmLos Angeles
22h 02m
1 stop
POA12:25 amPorto Alegre Salgado Filho
Mar 22
POA1:30 amPorto Alegre Salgado Filho
25h 59m
1 stop
LAX11:29 pmLos Angeles
$729

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 February 6, 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

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 2/24

9:08 pm-12:25 am

1 stop22h 17m

Porto Alegre Salgado Filho

Tue 3/3

1:30 am-12:05 pm

1 stop15h 35m

$599

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 3/3

12:05 pm-5:45 pm

2 stops24h 40m

Porto Alegre Salgado Filho

Mon 3/9

7:20 pm-3:21 pm

2 stops24h 01m

$617

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Wed 3/4

1:34 pm-5:45 pm

2 stops23h 11m

Porto Alegre Salgado Filho

Mon 3/23

7:20 pm-4:42 pm

2 stops25h 22m

$630

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 2/24

11:25 pm-11:00 am

2 stops54h 35m

Porto Alegre Salgado Filho

Wed 3/4

5:10 pm-10:33 am

2 stops22h 23m

$652

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 3/3

1:05 am-1:15 pm

3 stops31h 10m

Porto Alegre Salgado Filho

Mon 3/23

8:45 pm-11:00 pm

3 stops30h 15m

$686

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 3/10

2:06 am-12:25 am

1 stop18h 19m

Porto Alegre Salgado Filho

Tue 4/7

9:20 pm-11:56 pm

2 stops54h 36m

$755

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Mon 3/16

8:00 am-2:10 pm

2 stops26h 10m

Porto Alegre Salgado Filho

Thu 3/19

3:30 pm-4:38 pm

2 stops29h 08m

$760

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Fri 5/1

6:15 am-6:10 am

2 stops19h 55m

Porto Alegre Salgado Filho

Sun 5/31

7:05 pm-6:03 pm

2 stops26h 58m

$811

San FranciscoPorto Alegre

SFO - POA

SFOPOA

San Francisco

Fri 3/13

8:00 am-2:05 pm

2 stops26h 05m

Porto Alegre Salgado Filho

Fri 3/27

5:55 pm-5:36 pm

2 stops27h 41m

$840

San FranciscoPorto Alegre

SFO - POA

SFOPOA

San Francisco

Thu 4/23

10:29 pm-8:50 am

2 stops30h 21m

Porto Alegre Salgado Filho

Mon 5/11

7:25 am-12:46 am

2 stops21h 21m

$949

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.

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 $684 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 $580 on momondo.

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 00m

Direct flights

None
The fastest flight from California to Porto Alegre takes 15h 00m
There are no direct flights from California to Porto Alegre. There are no popular flight routes from California to Porto Alegre.
Search flight deals

  • 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
9,241 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $345Free CancellationRating
7.5
1,556 reviews
Search Copa Airlines flights
DeltaPriceFrom $446Free CancellationRating
7.9
8,156 reviews
Search Delta flights
LATAM AirlinesPriceFrom $509Free CancellationRating
7.5
1,917 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.

An easier way to manage your Porto Alegre trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 3/8
Sun 3/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Brazil