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Cheap flights from Los Angeles to Porto Alegre from $384

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Porto Alegre departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Los Angeles to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
2:01 am - 12:25 am
LAX
-
POA
18h 24m
1 stop
Copa Airlines Logo
1:30 am - 11:29 pm
POA
-
LAX
25h 59m
1 stop
$539Copa Airlines
Thu, Mar 12 - Thu, Mar 19
United Airlines Logo
8:20 am - 2:10 pm
LAX
-
POA
25h 50m
2 stops
United Airlines Logo
5:10 pm - 5:27 pm
POA
-
LAX
28h 17m
2 stops
$540United Airlines
Mon, Mar 9 - Tue, Mar 17
United Airlines Logo
12:14 am - 2:25 pm
LAX
-
POA
33h 11m
2 stops
United Airlines Logo
5:10 pm - 11:59 pm
POA
-
LAX
34h 49m
2 stops
$549United Airlines
Sat, Mar 7 - Wed, Mar 18
United Airlines Logo
12:14 am - 4:25 pm
LAX
-
POA
35h 11m
2 stops
United Airlines Logo
2:05 pm - 1:09 am
POA
-
LAX
39h 04m
2 stops
$550United Airlines
Sat, Mar 7 - Thu, Mar 19
United Airlines Logo
6:50 pm - 2:25 pm
LAX
-
POA
38h 35m
2 stops
United Airlines Logo
5:10 pm - 11:59 pm
POA
-
LAX
34h 49m
2 stops
$558United Airlines
Sat, Mar 7 - Wed, Mar 18
United Airlines Logo
4:54 pm - 2:25 pm
LAX
-
POA
40h 31m
2 stops
United Airlines Logo
3:30 pm - 1:09 am
POA
-
LAX
37h 39m
2 stops
$559United Airlines
Sat, Mar 7 - Thu, Mar 19
Copa Airlines Logo
1:01 am - 12:25 am
LAX
-
POA
18h 24m
1 stop
Copa Airlines Logo
1:30 am - 1:05 pm
POA
-
LAX
15h 35m
1 stop
$570Copa Airlines
Sat, Mar 7 - Mon, Mar 16
Copa Airlines Logo
2:01 am - 12:25 am
LAX
-
POA
18h 24m
1 stop
Copa Airlines Logo
1:30 am - 1:05 pm
POA
-
LAX
15h 35m
1 stop
$599Copa Airlines
Thu, Mar 12 - Sun, Mar 15
Copa Airlines Logo
2:01 am - 12:25 am
LAX
-
POA
18h 24m
1 stop
Copa Airlines Logo
1:30 am - 1:05 pm
POA
-
LAX
15h 35m
1 stop
$603Copa Airlines
Tue, Mar 10 - Mon, Mar 16
United Airlines Logo
12:14 am - 4:25 pm
LAX
-
POA
35h 11m
2 stops
United Airlines Logo
3:25 pm - 5:27 pm
POA
-
LAX
30h 02m
2 stops
$620United Airlines
Sat, Mar 7 - Mon, Mar 16

United Airlines flights from Los Angeles to Porto Alegre

Our best United Airlines deals on Los Angeles to Porto Alegre flight tickets
United Airlines
Mar 9
LAX8:20 amLos Angeles
25h 50m
2 stops
POA2:10 pmPorto Alegre Salgado Filho
Mar 17
POA5:10 pmPorto Alegre Salgado Filho
28h 17m
2 stops
LAX5:27 pmLos Angeles
$540
United Airlines
Mar 7
LAX12:14 amLos Angeles
33h 11m
2 stops
POA2:25 pmPorto Alegre Salgado Filho
Mar 18
POA5:10 pmPorto Alegre Salgado Filho
34h 49m
2 stops
LAX11:59 pmLos Angeles
$549
United Airlines
Mar 7
LAX12:14 amLos Angeles
35h 11m
2 stops
POA4:25 pmPorto Alegre Salgado Filho
Mar 19
POA2:05 pmPorto Alegre Salgado Filho
39h 04m
2 stops
LAX1:09 amLos Angeles
$550

American Airlines flights from Los Angeles to Porto Alegre

Our best American Airlines deals on Los Angeles to Porto Alegre flight tickets
American Airlines
Mar 19
LAX12:20 pmLos Angeles
20h 40m
2 stops
POA1:00 pmPorto Alegre Salgado Filho
Mar 25
POA7:20 pmPorto Alegre Salgado Filho
24h 01m
2 stops
LAX3:21 pmLos Angeles
$672
American Airlines
Apr 10
LAX6:00 amLos Angeles
24h 30m
2 stops
POA10:30 amPorto Alegre Salgado Filho
May 17
POA6:30 pmPorto Alegre Salgado Filho
23h 50m
2 stops
LAX2:20 pmLos Angeles
$673

momondo Fare Finder

 
Customize your flight search to find flights from Los Angeles 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 January 29, 2026.
Use the filters below to find and compare flights from Los Angeles to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Thu 3/12

2:01 am-12:25 am

1 stop18h 24m

Porto Alegre Salgado Filho

Thu 3/19

1:30 am-11:29 pm

1 stop25h 59m

$539

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Mon 3/9

8:20 am-2:10 pm

2 stops25h 50m

Porto Alegre Salgado Filho

Tue 3/17

5:10 pm-5:27 pm

2 stops28h 17m

$540

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Sat 3/7

12:14 am-2:25 pm

2 stops33h 11m

Porto Alegre Salgado Filho

Wed 3/18

5:10 pm-11:59 pm

2 stops34h 49m

$549

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Sat 3/7

12:14 am-4:25 pm

2 stops35h 11m

Porto Alegre Salgado Filho

Thu 3/19

2:05 pm-1:09 am

2 stops39h 04m

$550

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Sat 3/7

6:50 pm-2:25 pm

2 stops38h 35m

Porto Alegre Salgado Filho

Wed 3/18

5:10 pm-11:59 pm

2 stops34h 49m

$558

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Sat 3/7

4:54 pm-2:25 pm

2 stops40h 31m

Porto Alegre Salgado Filho

Thu 3/19

3:30 pm-1:09 am

2 stops37h 39m

$559

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Sat 3/7

1:01 am-12:25 am

1 stop18h 24m

Porto Alegre Salgado Filho

Mon 3/16

1:30 am-1:05 pm

1 stop15h 35m

$570

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Thu 3/12

2:01 am-12:25 am

1 stop18h 24m

Porto Alegre Salgado Filho

Sun 3/15

1:30 am-1:05 pm

1 stop15h 35m

$599

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Tue 3/10

2:01 am-12:25 am

1 stop18h 24m

Porto Alegre Salgado Filho

Mon 3/16

1:30 am-1:05 pm

1 stop15h 35m

$603

Los AngelesPorto Alegre

LAX - POA

LAXPOA

Los Angeles

Sat 3/7

12:14 am-4:25 pm

2 stops35h 11m

Porto Alegre Salgado Filho

Mon 3/16

3:25 pm-5:27 pm

2 stops30h 02m

$620

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Los Angeles 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 typical price of a round-trip flight between Los Angeles and Porto Alegre?

What is the cheapest month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Los Angeles 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 Los Angeles 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 Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around $674 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from Los Angeles for as low as $580 on momondo.

Can stopping save me money on Los Angeles to Porto Alegre flights?

You could potentially save up to 24% on your flight if you consider stops on a Los Angeles to Porto Alegre flight.

How have Los Angeles to Porto Alegre flight prices changed over time?

As of January 2026, prices for Los Angeles to Porto Alegre flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Los Angeles to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Los Angeles to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Los Angeles to Porto Alegre (LAX to POA) flight deals and tips

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

Fastest flight time

18h 24m

Direct flights

None
The fastest flight from Los Angeles to Porto Alegre takes 18h 24m
There are no direct flights from Los Angeles to Porto Alegre. There are no popular flight routes from Los Angeles to Porto Alegre.
Search flight deals

  • How far is Los Angeles to Porto Alegre Salgado Filho by plane?

    Los Angeles and Porto Alegre Salgado Filho are 6218.3 mi apart from one another. A reasonable flight in good conditions will take 18h 24m.

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

    Prices for flights from Los Angeles Airport to Porto Alegre Salgado Filho Airport are updated daily.

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

  • How old do you have to be to fly from Los Angeles Airport 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 Los Angeles Airport to Porto Alegre Salgado Filho Airport.

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

    The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Los Angeles to Porto Alegre?

Best airlines flying from Los Angeles to Porto Alegre

Compare and see reviews for airlines that fly from Los Angeles to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
DeltaPriceFrom $446Free CancellationRating
7.9
8,127 reviews
Search Delta flights
Copa AirlinesPriceFrom $469Free CancellationRating
7.5
1,560 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $503Free CancellationRating
7.5
1,918 reviews
Search LATAM Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto Alegre from Los Angeles.

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

Yes. momondo enables you to select and highlight flights to Porto Alegre from Los Angeles with this policy.

How can momondo help me find flights from Los Angeles 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 Los Angeles.

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

Of course. momondo tracks the price of Los Angeles to Porto Alegre flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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