Cheap Flights from Sao Luis to Porto Alegre from $128
Find the best flight deals from Sao Luis to Porto Alegre from $128
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Flights from Sao Luis to Porto Alegre
What to know about flights from Sao Luis to Porto Alegre?
The distance between Sao Luis and Porto Alegre is approximately 3,134.29 km. Based on Trip.com's data, travel demand peaks in January.
Cheapest one-way
$128
Gol Linhas Aereas Inteligentes
SLZ-POA
6h 15m · 1 stop
Sat, Nov 7
Cheapest round-trip
$216
Azul Airlines
SLZ-POA
6h 10m · 2 stops
Tue, Nov 10 - Sat, Nov 14
When to travel
October
Cheapest
January
Peak season for travel
Route details
3,134.29 km
Flight distance
How can I find cheap flights from Sao Luis to Porto Alegre?
Explore the cheapest one-way and round-trip flights from Sao Luis to Porto Alegre over the next 90 days, with one-way fares from $128 and round-trip from $216. Based on Trip.com's latest 7-day flight data.
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One way
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Round-trip
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SLZ 6:05 PM6h 10m1 stopPOA 12:15 AMSao Luis - Porto Alegre | Tue, Nov 10 | Azul Airlines
POA 5:45 AM11h 40m1 stopSLZ 5:25 PMPorto Alegre - Sao Luis | Sat, Nov 14 | Azul Airlines
Price detailsDepartureSLZ-VCPEconomy class
Included
In-flight meals are availableUSB port and power outletVCP-POAEconomy class
Included
In-flight meals are availableUSB port and power outletReturnPOA-VCPEconomy class
Included
In-flight meals are availableUSB port and power outletVCP-SLZEconomy class
Included
In-flight meals are availableUSB port and power outlet$216 $44652% off52% off$446 $216 -
SLZ 2:15 AM12h 45m1 stopPOA 3:00 PMSao Luis - Porto Alegre | Tue, Nov 3 | Gol Linhas Aereas Inteligentes
POA 2:15 PM10h 50m1 stopSLZ 1:05 AMPorto Alegre - Sao Luis | Tue, Nov 10 | Gol Linhas Aereas Inteligentes
Price detailsDepartureSLZ-POA
Included
ReturnPOA-SLZ
Included
$260 $44642% off42% off$446 $260 -
SLZ 6:05 PM6h 10m1 stopPOA 12:15 AMSao Luis - Porto Alegre | Mon, Nov 16 | Azul Airlines
POA 9:05 AM8h 20m1 stopSLZ 5:25 PMPorto Alegre - Sao Luis | Thu, Nov 19 | Azul Airlines
Price detailsDepartureSLZ-VCPEconomy class
Included
In-flight meals are availableUSB port and power outletVCP-POAEconomy class
Included
In-flight meals are availableUSB port and power outletReturnPOA-VCPEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletVCP-SLZEconomy class
Included
In-flight meals are availableUSB port and power outlet$262 $44641% off41% off$446 $262
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SLZ 2:20 AM12h 40m1 stopPOA 3:00 PMSao Luis - Porto Alegre | Wed, Nov 11 | Gol Linhas Aereas Inteligentes
POA 2:15 PM10h 50m1 stopSLZ 1:05 AMPorto Alegre - Sao Luis | Wed, Nov 18 | Gol Linhas Aereas Inteligentes
Price detailsDepartureSLZ-GRUEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletGRU-POAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnGRU-SLZEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$28835% off$446 $288
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SLZ 5:15 PM15h 15m1 stopPOA 8:30 AMSao Luis - Porto Alegre | Mon, Nov 16 | LATAM Airlines
POA 5:45 AM11h 40m1 stopSLZ 5:25 PMPorto Alegre - Sao Luis | Thu, Nov 19 | Azul Airlines
Price detailsDepartureSLZ-GRUEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletGRU-POAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnVCP-SLZEconomy class
Included
In-flight meals are availableUSB port and power outletPOA-VCPEconomy class
Included
In-flight meals are availableUSB port and power outlet$28835% off$446 $288 -
SLZ 5:20 PM6h 20m1 stopPOA 11:40 PMSao Luis - Porto Alegre | Mon, Nov 16 | Gol Linhas Aereas Inteligentes
POA 9:05 AM8h 20m1 stopSLZ 5:25 PMPorto Alegre - Sao Luis | Thu, Nov 19 | Azul Airlines
Price detailsDepartureSLZ-BSBEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletBSB-POAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnPOA-VCPEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletVCP-SLZEconomy class
Included
In-flight meals are availableUSB port and power outlet$29235% off$446 $292
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SLZ 2:20 AM12h 40m1 stopPOA 3:00 PMSao Luis - Porto Alegre | Tue, Nov 17 | Gol Linhas Aereas Inteligentes
POA 2:15 PM11h1 stopSLZ 1:15 AMPorto Alegre - Sao Luis | Thu, Nov 19 | Gol Linhas Aereas Inteligentes
Price detailsDepartureSLZ-GRUEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnPOA-GRUEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletGRU-SLZEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$30133% off$446 $301
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SLZ 1:35 PM10h 20m1 stopPOA 11:55 PMSao Luis - Porto Alegre | Sat, Oct 24 | Gol Linhas Aereas Inteligentes
POA 5:05 AM21h1 stopSLZ 2:05 AMPorto Alegre - Sao Luis | Sat, Oct 31 | Gol Linhas Aereas Inteligentes
Price detailsDepartureSLZ-GRUEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletGRU-POAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnPOA-GIGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletGIG-SLZEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$31130% off$446 $311
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SLZ 4:35 AM8h 10m1 stopPOA 12:45 PMSao Luis - Porto Alegre | Fri, Nov 6 | LATAM Airlines
POA 5:20 AM5h 45m1 stopSLZ 11:05 AMPorto Alegre - Sao Luis | Tue, Nov 10 | Gol Linhas Aereas Inteligentes
Price detailsDepartureSLZ-BSBEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletBSB-POAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnPOA-BSBEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletBSB-SLZEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$31728% off$446 $317
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SLZ 5:20 PM6h 20m1 stopPOA 11:40 PMSao Luis - Porto Alegre | Fri, Nov 6 | Gol Linhas Aereas Inteligentes
POA 5:20 AM5h 45m1 stopSLZ 11:05 AMPorto Alegre - Sao Luis | Tue, Nov 10 | Gol Linhas Aereas Inteligentes
Price detailsDepartureSLZ-BSBEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletBSB-POAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnPOA-BSBEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletBSB-SLZEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$32527% off$446 $325
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SLZ 1:00 PM17h 25m1 stopPOA 2:00 PMSao Luis - Porto Alegre | Tue, Oct 13 | Normal Airline
POA 3:00 PM6hNonstopSLZ 4:00 PMPorto Alegre - Sao Luis | Thu, Oct 15 | Normal AirlineFind more flightsFind more flights
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SLZ 5:20 PM6h 15m1 stopPOA 11:35 PMSao Luis - Porto Alegre | Sat, Nov 7 | Gol Linhas Aereas Inteligentes
Price detailsSLZ-BSBEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletBSB-POAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$128 $20538% off38% off$205 $128
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SLZ 6:25 PM6h 15m1 stopPOA 12:40 AMSao Luis - Porto Alegre | Thu, Nov 5 | Gol Linhas Aereas Inteligentes
Price detailsSLZ-GRUEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletGRU-POAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$128 $20538% off38% off$205 $128
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SLZ 6:05 PM6h 10m1 stopPOA 12:15 AMSao Luis - Porto Alegre | Mon, Nov 23 | Azul Airlines
Price detailsSLZ-VCPEconomy classIn-flight meals are availableUSB port and power outletVCP-POAEconomy classIn-flight meals are availableUSB port and power outlet$129 $20537% off37% off$205 $129
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SLZ 1:30 PM11h 10m1 stopPOA 12:40 AMSao Luis - Porto Alegre | Fri, Nov 6 | Gol Linhas Aereas Inteligentes
Price detailsSLZ-GRUEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletGRU-POAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$13634% off$205 $136
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SLZ 6:05 PM6h 10m1 stopPOA 12:15 AMSao Luis - Porto Alegre | Sun, Nov 1 | Azul Airlines
Price detailsSLZ-VCPEconomy classIn-flight meals are availableUSB port and power outletVCP-POAEconomy classIn-flight meals are availableUSB port and power outlet$13634% off$205 $136
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SLZ 6:05 PM6h 10m1 stopPOA 12:15 AMSao Luis - Porto Alegre | Tue, Oct 27 | Azul Airlines
Price detailsSLZ-VCPEconomy classIn-flight meals are availableUSB port and power outletVCP-POAEconomy classIn-flight meals are availableUSB port and power outlet$13733% off$205 $137
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SLZ 6:05 PM6h 10m1 stopPOA 12:15 AMSao Luis - Porto Alegre | Tue, Oct 20 | Azul Airlines
Price detailsSLZ-VCPEconomy classIn-flight meals are availableUSB port and power outletVCP-POAEconomy classIn-flight meals are availableUSB port and power outlet$13932% off$205 $139
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SLZ 6:05 PM6h 10m1 stopPOA 12:15 AMSao Luis - Porto Alegre | Wed, Nov 11 | Azul Airlines
Price detailsSLZ-VCPEconomy classIn-flight meals are availableUSB port and power outletVCP-POAEconomy classIn-flight meals are availableUSB port and power outlet$14131% off$205 $141
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SLZ 4:55 AM17h 45m1 stopPOA 10:40 PMSao Luis - Porto Alegre | Wed, Oct 21 | Azul Airlines
Price detailsSLZ-RECEconomy classIn-flight meals are availableUSB port and power outletREC-POAEconomy classIn-flight meals are availableUSB port and power outlet$14628% off$205 $146
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SLZ 5:20 PM6h 15m1 stopPOA 11:35 PMSao Luis - Porto Alegre | Sun, Nov 1 | Gol Linhas Aereas Inteligentes
Price detailsSLZ-BSBEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletBSB-POAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$14927% off$205 $149
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SLZ 1:00 PM17h 25m1 stopPOA 2:00 PMSao Luis - Porto Alegre | Tue, Oct 13 | Normal AirlineFind more flightsFind more flights
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Flight.News
INMET has issued a weather warning for Porto Alegre starting 10/10/2026 at 00:00. The forecast indicates rain between 20 and 30 mm/h or up to 50 mm/day, intense winds (40–60 km/h), and hail. There is a low risk of power outages, crop damage, falling tree branches, and flooding.
Which airlines are the most popular for Sao Luis to Porto Alegre flights?
You can choose from 1 airlines that fly from Sao Luis to Porto Alegre, including Gol Linhas Aereas Inteligentes, Gol Linhas Aereas Inteligentes has lowest fares on this route.
Gol Linhas Aereas Inteligentes
Airlines are determined based on actual purchased flight tickets from Sao Luis to Porto Alegre according to previous 12 months data from Trip.com.
Frequently Asked Questions
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What are the cheapest flights from Sao Luis to Porto Alegre (SLZ-POA)?
Based on Trip.com data, Gol Linhas Aereas Inteligentes offers one-way fares as low as $128 on Cheapest nonstop routes (e.g. SLZ to POA on Sat, Nov 7), while Azul Airlines offers Cheapest nonstop round-trips from $216 departing on Tue, Nov 10 and returning on Sat, Nov 14. -
Which airlines offer flights from Sao Luis to Porto Alegre?
At the moment, several airlines serve connecting flights from Sao Luis to Porto Alegre, including: Gol Linhas Aereas Inteligentes Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days. -
When is the best time to book flights from Sao Luis to Porto Alegre?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sao Luis to Porto Alegre is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals. -
How can I find the best deals on flights from Sao Luis to Porto Alegre?
To find best deals on flights from Sao Luis to Porto Alegre, you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Nov 7, with one-way flights priced at just $128.
· Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Gol Linhas Aereas Inteligentes.
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Avoid peak season unless you book very early. It seems the peak season for Porto Alegre travel is around January.
· Get exclusive promo codes for Trip.com app users. -
When are flight tickets from Sao Luis (SLZ) to Porto Alegre (POA) the cheapest?
The cheapest months to fly from Sao Luis to Porto Alegre is October, when demand for travel is lower. -
Which upcoming date is cheapest to fly from Sao Luis to Porto Alegre on?
After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Sao Luis to Porto Alegre on October 19, 2026 with LATAM Airlines, with prices starting at $124. -
Which airports can I fly into Porto Alegre from Sao Luis?
You can arrive at any of the following airports in Porto Alegre: Porto Alegre–Salgado Filho International Airport (POA). Flights from São Luís–Marechal Cunha Machado International Airport to Porto Alegre–Salgado Filho International Airport (SLZ-POA) are by far the most popular option for this route. -
Is there any time difference between Sao Luis and Porto Alegre?
The time difference between Porto Alegre and Sao Luis is 0m. -
How do I change or cancel my ticket from Sao Luis to Porto Alegre?
Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages. -
What is the average cost of a one-way flight from Sao Luis to Porto Alegre?
Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Sao Luis to Porto Alegre is $211. Fares vary by travel date, airline and availability. -
How do I book flights from Sao Luis to Porto Alegre on Trip.com?
Enter Sao Luis and Porto Alegre, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation. -
Are there budget airlines on the Sao Luis to Porto Alegre route?
Azul and Gol Linhas Aereas Inteligentesare the most popular budget airlines flying from Sao Luis to Porto Alegre. Check baggage, seat and payment fees before comparing the final price.
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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.