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Cheap flights from Louisiana to Porto Alegre from $376

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to Porto Alegre departing on 6/15. 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
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Louisiana to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
6:30 am - 6:15 pm
MSY
-
POA
32h 45m
2 stops
LATAM Airlines Logo
7:25 am - 10:19 pm
POA
-
MSY
17h 54m
2 stops
$923LATAM Airlines
Mon, Nov 9 - Thu, Nov 12
LATAM Airlines Logo
1:05 pm - 6:15 pm
MSY
-
POA
26h 10m
2 stops
LATAM Airlines Logo
7:25 am - 10:19 pm
POA
-
MSY
17h 54m
2 stops
$1,034LATAM Airlines
Mon, Nov 9 - Thu, Nov 12
Air Canada Logo
11:45 am - 3:35 pm
MSY
-
POA
25h 50m
2 stops
Air Canada Logo
2:00 pm - 10:50 am
POA
-
MSY
22h 50m
2 stops
$1,299Air Canada
Wed, Aug 12 - Sun, Aug 16
Air Canada Logo
11:45 am - 6:20 pm
MSY
-
POA
28h 35m
2 stops
Air Canada Logo
2:00 pm - 10:50 am
POA
-
MSY
22h 50m
2 stops
$1,404Air Canada
Wed, Aug 12 - Sun, Aug 16
LATAM Airlines Logo
4:30 pm - 6:15 pm
MSY
-
POA
22h 45m
2 stops
LATAM Airlines Logo
7:25 am - 10:19 pm
POA
-
MSY
17h 54m
2 stops
$1,503LATAM Airlines
Mon, Nov 9 - Thu, Nov 12

Air Canada flights from Louisiana to Porto Alegre

Our best Air Canada deals on Louisiana to Porto Alegre flight tickets
Air Canada
Aug 12
MSY11:45 amNew Orleans Louis Armstrong
25h 50m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
Aug 16
POA2:00 pmPorto Alegre Salgado Filho
22h 50m
2 stops
MSY10:50 amNew Orleans Louis Armstrong
$1,299
Air Canada
Aug 12
MSY11:45 amNew Orleans Louis Armstrong
28h 35m
2 stops
POA6:20 pmPorto Alegre Salgado Filho
Aug 16
POA2:00 pmPorto Alegre Salgado Filho
22h 50m
2 stops
MSY10:50 amNew Orleans Louis Armstrong
$1,404

LATAM Airlines flights from Louisiana to Porto Alegre

Our best LATAM Airlines deals on Louisiana to Porto Alegre flight tickets
LATAM Airlines
Nov 9
MSY6:30 amNew Orleans Louis Armstrong
32h 45m
2 stops
POA6:15 pmPorto Alegre Salgado Filho
Nov 12
POA7:25 amPorto Alegre Salgado Filho
17h 54m
2 stops
MSY10:19 pmNew Orleans Louis Armstrong
$923
LATAM Airlines
Nov 9
MSY1:05 pmNew Orleans Louis Armstrong
26h 10m
2 stops
POA6:15 pmPorto Alegre Salgado Filho
Nov 12
POA7:25 amPorto Alegre Salgado Filho
17h 54m
2 stops
MSY10:19 pmNew Orleans Louis Armstrong
$1,034
LATAM Airlines
Nov 9
MSY4:30 pmNew Orleans Louis Armstrong
22h 45m
2 stops
POA6:15 pmPorto Alegre Salgado Filho
Nov 12
POA7:25 amPorto Alegre Salgado Filho
17h 54m
2 stops
MSY10:19 pmNew Orleans Louis Armstrong
$1,503

momondo Fare Finder

 
Customize your flight search to find flights from Louisiana 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 May 15, 2026.
Use the filters below to find and compare flights from Louisiana to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Mon 11/9

6:30 am-6:15 pm

2 stops32h 45m

Porto Alegre Salgado Filho

Thu 11/12

7:25 am-10:19 pm

2 stops17h 54m

$923

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Mon 11/9

1:05 pm-6:15 pm

2 stops26h 10m

Porto Alegre Salgado Filho

Thu 11/12

7:25 am-10:19 pm

2 stops17h 54m

$1,034

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Wed 8/12

11:45 am-3:35 pm

2 stops25h 50m

Porto Alegre Salgado Filho

Sun 8/16

2:00 pm-10:50 am

2 stops22h 50m

$1,299

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Wed 8/12

11:45 am-6:20 pm

2 stops28h 35m

Porto Alegre Salgado Filho

Sun 8/16

2:00 pm-10:50 am

2 stops22h 50m

$1,404
Quickest round-trip

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Mon 11/9

4:30 pm-6:15 pm

2 stops22h 45m

Porto Alegre Salgado Filho

Thu 11/12

7:25 am-10:19 pm

2 stops17h 54m

$1,503
Cheapest one-way

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Mon 6/15

5:21 pm-12:20 am

3 stops52h 59m

$376
Quickest one-way

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Mon 6/15

6:01 am-11:45 am

2 stops27h 44m

$395

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Louisiana to Porto Alegre flight deals and tips

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

Fastest flight time

26h 10m

Direct flights

None
The fastest flight from Louisiana to Porto Alegre takes 26h 10m
There are no direct flights from Louisiana to Porto Alegre. There are no popular flight routes from Louisiana to Porto Alegre.
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Frequently asked questions about flying from Louisiana to Porto Alegre

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

    Prices for flights from Louisiana to Porto Alegre Salgado Filho Airport refresh daily.

  • How old do you have to be to fly from Louisiana to Porto Alegre Salgado Filho Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisiana 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.

Frequently asked questions about flying from Louisiana to Porto Alegre

  • How do I get Price Alerts for flights from Louisiana to Porto Alegre?

    Search flight deals from Louisiana to Porto Alegre. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Louisiana to Porto Alegre with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Louisiana 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 Louisiana.

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

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

How can momondo help me find flights from Louisiana 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 Louisiana.

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

If you are not ready to book a flight from Louisiana to Porto Alegre now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto Alegre and let you know when they change.

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