São Luis to Porto Alegre flights

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Lowest observed
€272
Cheapest month
December 2026
Last checked
9 Oct 2026
Observed fares. Prices may change.

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.
Lowest observed
€272, departing 4 Dec 2026 (Last checked: 9 Oct 2026)One-way fareCheck live prices for this route
Airlines seen
Azul, Gol, LATAM Airlines
Typical journey time
5h 25m

About this route

Explore the fares we observed from São Luis to Porto Alegre. Prices move often, so pick your dates to see the latest options.

Route distance
3,145 km
Typical journey time
5h 25m
Airlines seen
Azul, Gol, LATAM Airlines
Seen on fares with a connection
Azul, LATAM Airlines, Gol

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed
Every price is a fare we actually saw, and it may change at any time.
Compare the same trip
We show like-for-like journeys so the comparison is fair.
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The price is final on the provider's site, where your booking is completed.
How our prices work

Airport to city: straight-line distance

  • Marechal Cunha Machado International Airport (SLZ) → São Luis, city gazetteer reference point (-2.5300, -44.2567): ≈ 7 km.
  • Porto Alegre-Salgado Filho International Airport (POA) → Porto Alegre, city gazetteer reference point (-30.0346, -51.2177): ≈ 7 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much is a flight from São Luis to Porto Alegre?

The lowest fare we have observed is €272, found on 9 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from São Luis to Porto Alegre?

In our observations December 2026 is the cheapest month so far, at €272.

Are there direct flights from São Luis to Porto Alegre?

Our data holds no non-stop flight from São Luis to Porto Alegre. The fares on this page include at least one stop.

Which airlines fly from São Luis to Porto Alegre?

These are the carriers we have seen on the route: Azul, Gol, LATAM Airlines.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide

Keep exploring

Sao Paulo
São Luis → Sao Paulofrom €71 ›
Porto Alegre
Lisbon → Porto Alegrefrom €354 ›
Brasilia
São Luis → BrasiliaExplore route ›

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Recently observed fares. Prices may change.

About these prices
Fares are observed at trusted providers and refreshed regularly. They can change at any time and may not include extras.
Data and updates
Last checked 9 Oct 2026. Availability and fares must be confirmed when you search.
Your booking
When you book, the price is confirmed with the provider. Booking is completed on their site; we do not process payments.

Last checked: 9 Oct 2026