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Cheap flights from Louisiana to Porto Alegre from $461

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 4/1. 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.
United Airlines Logo
12:30 pm - 4:25 pm
MSY
-
POA
25h 55m
3 stops
United Airlines Logo
3:30 pm - 8:34 am
POA
-
MSY
19h 04m
2 stops
$1,380United Airlines
Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
5:20 pm - 2:25 pm
MSY
-
POA
19h 05m
2 stops
United Airlines Logo
3:25 pm - 11:28 pm
POA
-
MSY
34h 03m
3 stops
$1,381United Airlines
Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
12:30 pm - 2:25 pm
MSY
-
POA
23h 55m
3 stops
United Airlines Logo
3:30 pm - 8:34 am
POA
-
MSY
19h 04m
2 stops
$1,430United Airlines
Thu, Mar 19 - Mon, Mar 23

United Airlines flights from Louisiana to Porto Alegre

Our best United Airlines deals on Louisiana to Porto Alegre flight tickets
United Airlines
Mar 19
MSY12:30 pmNew Orleans Louis Armstrong
25h 55m
3 stops
POA4:25 pmPorto Alegre Salgado Filho
Mar 23
POA3:30 pmPorto Alegre Salgado Filho
19h 04m
2 stops
MSY8:34 amNew Orleans Louis Armstrong
$1,380
United Airlines
Mar 19
MSY5:20 pmNew Orleans Louis Armstrong
19h 05m
2 stops
POA2:25 pmPorto Alegre Salgado Filho
Mar 23
POA3:25 pmPorto Alegre Salgado Filho
34h 03m
3 stops
MSY11:28 pmNew Orleans Louis Armstrong
$1,381
United Airlines
Mar 19
MSY12:30 pmNew Orleans Louis Armstrong
23h 55m
3 stops
POA2:25 pmPorto Alegre Salgado Filho
Mar 23
POA3:30 pmPorto Alegre Salgado Filho
19h 04m
2 stops
MSY8:34 amNew Orleans Louis Armstrong
$1,430

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 February 12, 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

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Thu 3/19

12:30 pm-4:25 pm

3 stops25h 55m

Porto Alegre Salgado Filho

Mon 3/23

3:30 pm-8:34 am

2 stops19h 04m

$1,380

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Thu 3/19

5:20 pm-2:25 pm

2 stops19h 05m

Porto Alegre Salgado Filho

Mon 3/23

3:25 pm-11:28 pm

3 stops34h 03m

$1,381

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Thu 3/19

12:30 pm-2:25 pm

3 stops23h 55m

Porto Alegre Salgado Filho

Mon 3/23

3:30 pm-8:34 am

2 stops19h 04m

$1,430

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Wed 4/1

8:29 pm-12:20 am

2 stops25h 51m

$461

New OrleansPorto Alegre

MSY - POA

MSYPOA

New Orleans Louis Armstrong

Wed 4/1

8:00 am-4:25 pm

3 stops30h 25m

$1,808

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Louisiana 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 airline that flies from Louisiana to Porto Alegre Salgado Filho?

Air Canada is the most popular carrier operating from Louisiana to Porto Alegre Salgado Filho

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 48m

Direct flights

None
The fastest flight from Louisiana to Porto Alegre takes 26h 48m
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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  • 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.

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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