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Santos Dumont

$65+ Cheap flights from Porto Alegre (POA) to Santos Dumont, Brazil (SDU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SDU
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Porto Alegre to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to Santos Dumont (SDU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$113
(FlightHub)

One-way from

$65
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$179
Provider with most accurate pricing for Porto Alegre Salgado Filho-Rio de Janeiro Santos Dumont flight deals.
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Provider most trusted by Cheapflights users for Porto Alegre Salgado Filho-Rio de Janeiro Santos Dumont flights.
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From Porto Alegre Salgado Filho to Rio de Janeiro Santos Dumont
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One-way flight from Porto Alegre Salgado Filho to Rio de Janeiro Santos Dumont
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Highest demand for flights based on searches. 7% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Porto Alegre to Santos Dumont

Cheapest flights from Porto Alegre to Santos Dumont
Explore the most affordable flight options available from Porto Alegre to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This CheapOair deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:50 amPOA - SDU
1 stop3h 40mLATAM Airlines
Fri 4/108:45 amSDU - POA
1 stop4h 15mLATAM Airlines
Deal found 1/8$104
This FlightHub deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:45 amPOA - SDU
1 stop4h 15mLATAM Airlines
Sat 4/48:15 amSDU - POA
1 stop4h 15mLATAM Airlines
Deal found 1/8$123
This FlightHub deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:30 amPOA - SDU
1 stop4h 05mLATAM Airlines
Tue 4/146:45 pmSDU - POA
1 stop4h 00mLATAM Airlines
Deal found 1/8$130
This CheapOair deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:20 pmPOA - SDU
1 stop12h 35mLATAM Airlines
Sat 2/281:50 pmSDU - POA
1 stop7h 05mLATAM Airlines
Deal found 1/7$131
This GOL deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:05 amPOA - SDU
1 stop4h 40mGOL
Tue 4/1411:50 amSDU - POA
1 stop3h 55mGOL
Deal found 1/7$132
This FlightHub deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:40 pmPOA - SDU
1 stop3h 55mLATAM Airlines
Sat 4/111:50 pmSDU - POA
1 stop4h 05mLATAM Airlines
Deal found 1/7$133
This GOL deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:35 amPOA - SDU
1 stop4h 10mGOL
Tue 3/108:15 amSDU - POA
1 stop4h 15mGOL
Deal found 1/8$144
This FlightHub deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/93:50 pmPOA - SDU
1 stop3h 50mLATAM Airlines
Mon 2/167:10 amSDU - POA
1 stop4h 30mLATAM Airlines
Deal found 1/6$151
This CheapOair deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/79:45 amPOA - SDU
2 stops8h 15mLATAM Airlines
Sun 2/159:10 pmSDU - POA
1 stop11h 00mLATAM Airlines
Deal found 1/8$152
This GOL deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/91:10 pmPOA - SDU
1 stop4h 40mGOL
Sun 2/153:55 pmSDU - POA
1 stop5h 10mGOL
Deal found 1/7$156
This GOL deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:45 pmPOA - SDU
1 stop3h 50mGOL
Mon 4/209:05 amSDU - POA
1 stop5h 00mGOL
Deal found 1/8$163

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Santos Dumont 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, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Porto Alegre to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Porto Alegre

Fly to

Santos Dumont

Route

Depart

Return

Price

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Sat 4/4

7:30 am-11:35 am

1 stop4h 05m

Rio de Janeiro Santos Dumont

Sat 4/11

6:05 am-10:15 am

1 stop4h 10m

$123

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Sat 3/28

8:45 am-1:00 pm

1 stop4h 15m

Rio de Janeiro Santos Dumont

Sat 4/4

8:15 am-12:30 pm

1 stop4h 15m

$123

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Fri 6/12

12:35 pm-5:10 pm

1 stop4h 35m

Rio de Janeiro Santos Dumont

Mon 6/15

11:00 am-3:45 pm

1 stop4h 45m

$131

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Fri 5/8

7:20 am-12:30 pm

1 stop5h 10m

Rio de Janeiro Santos Dumont

Sun 5/10

11:00 am-3:45 pm

1 stop4h 45m

$131

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Sat 2/21

8:20 pm-8:55 am

1 stop12h 35m

Rio de Janeiro Santos Dumont

Sat 2/28

1:50 pm-8:55 pm

1 stop7h 05m

$131

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Sat 3/21

7:00 am-11:20 am

1 stop4h 20m

Rio de Janeiro Santos Dumont

Sat 3/28

12:05 pm-4:40 pm

1 stop4h 35m

$131

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Sun 4/12

7:05 am-11:45 am

1 stop4h 40m

Rio de Janeiro Santos Dumont

Tue 4/14

11:50 am-3:45 pm

1 stop3h 55m

$132

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Wed 5/20

10:50 am-3:10 pm

1 stop4h 20m

Rio de Janeiro Santos Dumont

Tue 5/26

6:00 pm-10:40 pm

1 stop4h 40m

$132

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Sat 4/11

9:25 am-1:55 pm

1 stop4h 30m

Rio de Janeiro Santos Dumont

Tue 4/14

7:00 am-10:55 am

1 stop3h 55m

$132

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Mon 4/20

12:25 pm-5:10 pm

1 stop4h 45m

Rio de Janeiro Santos Dumont

Sun 4/26

10:00 am-2:05 pm

1 stop4h 05m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 20 results
1
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Compare providers for flights from Porto Alegre to Santos Dumont

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto Alegre to Santos Dumont in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Porto Alegre-Rio de Janeiro Santos Dumont Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Porto Alegre-Rio de Janeiro Santos Dumont Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Porto Alegre-Rio de Janeiro Santos Dumont Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto Alegre-Rio de Janeiro Santos Dumont Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto Alegre-Rio de Janeiro Santos Dumont Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto Alegre to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Porto Alegre with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport

How far ahead should I book a flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport?

Use this chart to determine the optimal time to book a round-trip flight from Porto Alegre to Santos Dumont. Price data was last updated on January 2, 2026.

The price you pay for your flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport?

Currently, November is the cheapest month in which you can book a flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport (average of $81). Flying from Porto Alegre to Rio de Janeiro Santos Dumont Airport in December is currently the most expensive (average of $148). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Porto Alegre to Rio de Janeiro Santos Dumont Airport?

Related info for your journey

Find useful and relevant information for your journey from Porto Alegre to Santos Dumont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Porto Alegre to Rio de Janeiro Santos Dumont?

    Most people fly from Porto Alegre Salgado Filho (POA) if they book a flight from Porto Alegre to Rio de Janeiro Santos Dumont. On average, Salgado Filho has 0 outbound flights to Rio de Janeiro Santos Dumont per day from 0 airlines. Porto Alegre Salgado Filho is conveniently located just 4.0 mi from Porto Alegre’s city center.

  • How long is the flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport?

    A quick flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport can take about 4h 05m. LATAM Airlines provides one of the quickest options available for as low as $113. There are 695 mi between Porto Alegre and Rio de Janeiro Santos Dumont Airport. This flight may include one or multiple stops.

  • Can I find deals for flights from Porto Alegre to Santos Dumont that include hotel bookings?

    Yes. In addition to deals on Porto Alegre to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto Alegre to Santos Dumont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto Alegre to Santos Dumont.

  • Can I find deals for business class flights from Porto Alegre to Santos Dumont?

    Yes. Cheapflights offers flight deals from Porto Alegre to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport?

    Currently, November is the cheapest month in which you can book a flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport (average of $81). Flying from Porto Alegre to Rio de Janeiro Santos Dumont Airport in December is currently the most expensive (average of $148). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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