$80 Cheap Flights from Rio de Janeiro (SDU) to Porto Alegre (POA)

View $80 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Rio de Janeiro (SDU-Santos Dumont) to Salgado Filho Intl. Airport (POA)

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Cheap Flights from Rio de Janeiro to Porto Alegre (SDU-POA)

Prices were available within the past 7 days and start at $80 for one-way flights and $169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Azul
Mon, Aug 25 - Sat, Aug 30
SDU
Rio de Janeiro
POA
Porto Alegre
$169 Roundtrip, found 4 days ago
$169
Roundtrip
found 4 days ago
Select Azul flight, departing Mon, Aug 25 from Rio de Janeiro to Porto Alegre, returning Sat, Aug 30, priced at $169 found 4 days ago
Azul
Mon, Aug 25 - Sat, Aug 30
SDU
Rio de Janeiro
POA
Porto Alegre
$170 Roundtrip, found 4 days ago
$170
Roundtrip
found 4 days ago
Select Azul flight, departing Mon, Aug 25 from Rio de Janeiro to Porto Alegre, returning Sat, Aug 30, priced at $170 found 4 days ago
Azul
Tue, Mar 24 - Thu, Mar 26
SDU
Rio de Janeiro
POA
Porto Alegre
$174 Roundtrip, found 1 day ago
$174
Roundtrip
found 1 day ago
Select Azul flight, departing Tue, Mar 24 from Rio de Janeiro to Porto Alegre, returning Thu, Mar 26, priced at $174 found 1 day ago
Azul
Tue, Nov 4 - Fri, Nov 7
SDU
Rio de Janeiro
POA
Porto Alegre
$175 Roundtrip, found 22 hours ago
$175
Roundtrip
found 22 hours ago
Select Azul flight, departing Tue, Nov 4 from Rio de Janeiro to Porto Alegre, returning Fri, Nov 7, priced at $175 found 22 hours ago
Azul
Tue, Nov 4 - Fri, Nov 7
SDU
Rio de Janeiro
POA
Porto Alegre
$176 Roundtrip, found 22 hours ago
$176
Roundtrip
found 22 hours ago
Select Azul flight, departing Tue, Nov 4 from Rio de Janeiro to Porto Alegre, returning Fri, Nov 7, priced at $176 found 22 hours ago
Azul
Wed, Oct 15 - Wed, Oct 22
SDU
Rio de Janeiro
POA
Porto Alegre
$177 Roundtrip, found 5 days ago
$177
Roundtrip
found 5 days ago
Select Azul flight, departing Wed, Oct 15 from Rio de Janeiro to Porto Alegre, returning Wed, Oct 22, priced at $177 found 5 days ago
Azul
Mon, Sep 29 - Tue, Oct 7
SDU
Rio de Janeiro
POA
Porto Alegre
$178 Roundtrip, found 4 days ago
$178
Roundtrip
found 4 days ago
Select Azul flight, departing Mon, Sep 29 from Rio de Janeiro to Porto Alegre, returning Tue, Oct 7, priced at $178 found 4 days ago
Azul
Mon, Aug 25 - Sat, Aug 30
SDU
Rio de Janeiro
POA
Porto Alegre
$182 Roundtrip, found 4 days ago
$182
Roundtrip
found 4 days ago
Select Azul flight, departing Mon, Aug 25 from Rio de Janeiro to Porto Alegre, returning Sat, Aug 30, priced at $182 found 4 days ago
GOL Linhas Aereas S.A.
Mon, Sep 15 - Mon, Sep 22
SDU
Rio de Janeiro
POA
Porto Alegre
$196 Roundtrip, found 3 days ago
$196
Roundtrip
found 3 days ago
Select GOL Linhas Aereas S.A. flight, departing Mon, Sep 15 from Rio de Janeiro to Porto Alegre, returning Mon, Sep 22, priced at $196 found 3 days ago
LATAM Airlines Group
Wed, Oct 29 - Mon, Nov 10
SDU
Rio de Janeiro
POA
Porto Alegre
$261 Roundtrip, found 2 hours ago
$261
Roundtrip
found 2 hours ago
Select LATAM Airlines Group flight, departing Wed, Oct 29 from Rio de Janeiro to Porto Alegre, returning Mon, Nov 10, priced at $261 found 2 hours ago

Alternative airports near Porto Alegre

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Salgado Filho Intl. POA. Cheapest and Closest option available. Average driving time to city center is 23 minutes. Flights from $246
POA
Salgado Filho Intl.
CheapestClosest
Average driving time to city center23 min
Flights from $246
Flights from Rio de Janeiro (SDU) to Porto Alegre (POA)
Origin airport
Santos Dumont
Destination airport
Salgado Filho Intl.
Airlines serving
Azul, GOL Linhas Aereas S.A., LATAM Airlines Group
Roundtrip price
$169
Distance
695 mi

Rio de Janeiro to Porto Alegre Flights

The cheapest times to fly from Rio de Janeiro to Porto Alegre

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 Rio de Janeiro to Porto Alegre are during the month of August. You can find some of the cheapest flights from Rio de Janeiro to Porto Alegre with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rio de Janeiro to Porto Alegre

Sunday is one of the best days to book for cheap flights from Rio de Janeiro to Porto Alegre: 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 Rio de Janeiro to Porto Alegre

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 Rio de Janeiro to Porto Alegre in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 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 Rio de Janeiro to Porto Alegre 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 Rio de Janeiro to Porto Alegre 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.

 

Frequently asked questions

How much does a flight from Santos Dumont Airport (SDU) to Salgado Filho Intl. Airport (POA) cost?
Discover the latest flight deals from SDU to POA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SDU to POA?
The cheapest flights from SDU to POA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Santos Dumont Airport (SDU) to Salgado Filho Intl. Airport (POA)?
You can't fly nonstop to Salgado Filho Intl. Airport (POA) from Rio de Janeiro (SDU-Santos Dumont). However, you can arrive in Porto Alegre without any layovers by leaving from Galeao - Antonio Carlos Jobim Intl. Airport (GIG).
What is the cheapest airline that flies from SDU to POA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SDU to POA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Santos Dumont Airport (SDU) to Salgado Filho Intl. Airport (POA)?
Direct flights from Santos Dumont Airport (SDU) to Salgado Filho Intl. Airport (POA) 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 dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDU to POA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SDU to POA?
With 90% of flights usually landing on schedule, LATAM Airlines has the best on-time performance for nonstop flights from Santos Dumont Airport (SDU) to Salgado Filho Intl. Airport (POA). To keep track of your flight status and get notifications about any changes, head to the Expedia App.
What is the best time to fly from Santos Dumont Airport (SDU) to Salgado Filho Intl. Airport (POA)?
To avoid possible delays on the Santos Dumont Airport (SDU) to Salgado Filho Intl. Airport (POA) route, fly before 3 PM. Later departures are 22% more likely to be canceled.**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 Santos Dumont Airport (SDU) to Salgado Filho Intl. Airport (POA) last-minute?
Holding off until right before your break to book your flight from SDU to POA often results in higher prices. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a SDU to POA flight and hotel package?
Booking a SDU to POA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Santos Dumont Airport (SDU) to Salgado Filho Intl. Airport (POA)?
Typically, you're able to cancel or reschedule your SDU to POA flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.