$97 Cheap Flights from Porto Alegre (POA) to Sao Luis (SLZ)

View $97 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Salgado Filho Intl. Airport (POA) to Sao Luis (SLZ-Marechal Cunha Machado Intl.)

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Cheap Flights from Porto Alegre to Sao Luis (POA-SLZ)

Prices were available within the past 7 days and start at $97 for one-way flights and $292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

GOL Linhas Aereas S.A.
Sat, Aug 1 - Sat, Aug 8
POA
Porto Alegre
SLZ
São Luís
$292 Roundtrip, found 4 days ago
$292
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Aug 1 from Porto Alegre to São Luís, returning Sat, Aug 8, priced at $292 found 4 days ago
GOL Linhas Aereas S.A.
Sat, Aug 1 - Sat, Aug 8
POA
Porto Alegre
SLZ
São Luís
$297 Roundtrip, found 4 days ago
$297
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Aug 1 from Porto Alegre to São Luís, returning Sat, Aug 8, priced at $297 found 4 days ago
GOL Linhas Aereas S.A.
Sat, Aug 1 - Sat, Aug 8
POA
Porto Alegre
SLZ
São Luís
$312 Roundtrip, found 4 days ago
$312
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Aug 1 from Porto Alegre to São Luís, returning Sat, Aug 8, priced at $312 found 4 days ago
GOL Linhas Aereas S.A.
Sat, Aug 1 - Sat, Aug 8
POA
Porto Alegre
SLZ
São Luís
$317 Roundtrip, found 4 days ago
$317
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Aug 1 from Porto Alegre to São Luís, returning Sat, Aug 8, priced at $317 found 4 days ago
GOL Linhas Aereas S.A.
Sat, Aug 1 - Sat, Aug 8
POA
Porto Alegre
SLZ
São Luís
$331 Roundtrip, found 4 days ago
$331
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Aug 1 from Porto Alegre to São Luís, returning Sat, Aug 8, priced at $331 found 4 days ago
GOL Linhas Aereas S.A.
Sat, Aug 1 - Sat, Aug 8
POA
Porto Alegre
SLZ
São Luís
$332 Roundtrip, found 4 days ago
$332
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Aug 1 from Porto Alegre to São Luís, returning Sat, Aug 8, priced at $332 found 4 days ago
LATAM Airlines Group
Fri, Dec 5 - Tue, Dec 9
POA
Porto Alegre
SLZ
São Luís
$334 Roundtrip, found 2 days ago
$334
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Fri, Dec 5 from Porto Alegre to São Luís, returning Tue, Dec 9, priced at $334 found 2 days ago
GOL Linhas Aereas S.A.
Sat, Aug 1 - Sat, Aug 8
POA
Porto Alegre
SLZ
São Luís
$336 Roundtrip, found 4 days ago
$336
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Aug 1 from Porto Alegre to São Luís, returning Sat, Aug 8, priced at $336 found 4 days ago
GOL Linhas Aereas S.A.
Sat, Aug 1 - Sat, Aug 8
POA
Porto Alegre
SLZ
São Luís
$337 Roundtrip, found 4 days ago
$337
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Aug 1 from Porto Alegre to São Luís, returning Sat, Aug 8, priced at $337 found 4 days ago
Azul
Fri, May 22 - Fri, May 29
POA
Porto Alegre
SLZ
São Luís
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select Azul flight, departing Fri, May 22 from Porto Alegre to São Luís, returning Fri, May 29, priced at $338 found 1 day ago

Frequently asked questions

How much does a flight from Salgado Filho Intl. Airport (POA) to Marechal Cunha Machado Intl. Airport (SLZ) cost?
Secure a cheap one-way flight from $97 or cheap return flight from $292 from Salgado Filho Intl. Airport (POA) to Marechal Cunha Machado Intl. Airport (SLZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Salgado Filho Intl. Airport (POA) to Marechal Cunha Machado Intl. Airport (SLZ)?
August is the most affordable month to fly from POA to SLZ. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Salgado Filho Intl. Airport (POA) to Marechal Cunha Machado Intl. Airport (SLZ)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from POA to SLZ. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Salgado Filho Intl. Airport (POA) to Marechal Cunha Machado Intl. Airport (SLZ)?
Direct flights from Salgado Filho Intl. Airport (POA) to Marechal Cunha Machado Intl. Airport (SLZ) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from POA to SLZ?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Salgado Filho Intl. Airport (POA) to Marechal Cunha Machado Intl. Airport (SLZ)?
To land at Marechal Cunha Machado Intl. Airport (SLZ) without delays, choose a flight that leaves Salgado Filho Intl. Airport (POA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Salgado Filho Intl. Airport (POA) to Marechal Cunha Machado Intl. Airport (SLZ) last-minute?
Holding off until just before your departure to book a flight from POA to SLZ generally means paying more. Although you may find some last-minute discounts, there's no guarantee. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a POA to SLZ flight and hotel package?
You'll typically save money by securing a POA to SLZ flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your preferred accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Salgado Filho Intl. Airport (POA) to Marechal Cunha Machado Intl. Airport (SLZ)?
Typically, it's possible to cancel or reschedule your POA to SLZ flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Salgado Filho Intl.
Destination airport
Marechal Cunha Machado Intl.
Roundtrip price
$291
Distance
1947 mi

Book with confidence

Porto Alegre to Sao Luis Flights

The cheapest times to fly from Porto Alegre to Sao Luis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Porto Alegre to Sao Luis are during the month of August. You can find some of the cheapest flights from Porto Alegre to Sao Luis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto Alegre to Sao Luis

Sunday is one of the best days to book for cheap flights from Porto Alegre to Sao Luis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Porto Alegre to Sao Luis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Porto Alegre to Sao Luis in 2025. You can also book with separate airlines for your outbound and return journeys, from $97 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Porto Alegre to Sao Luis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Porto Alegre to Sao Luis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Porto Alegre to Sao Luis Flights

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*Available to One Key members.