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Santos Dumont

$74+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SDU
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Find cheap flights from Porto Alegre to Santos Dumont with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Porto Alegre Salgado Filho to Rio de Janeiro Santos Dumont are usually found in September or August, booked 41 days in advance, depart on a Tuesday or Monday and return on a Monday

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 October 23, 2025.

This Booking.com deal was found by Cheapflights users on 10/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:05 pmPOA - SDU
1 stop5h 50mMultiple Airlines
Tue 12/97:35 amSDU - POA
1 stop4h 05mMultiple Airlines
Deal found 10/22$154
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:50 amPOA - SDU
1 stop6h 15mAzul
Sat 12/137:30 pmSDU - POA
1 stop4h 50mAzul
Deal found 10/21$163
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:30 amPOA - SDU
1 stop4h 30mMultiple Airlines
Wed 11/265:40 pmSDU - POA
2 stops5h 20mMultiple Airlines
Deal found 10/21$165
This Orbitz deal was found by Cheapflights users on 10/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:50 amPOA - SDU
1 stop8h 00mAzul
Tue 11/111:25 pmSDU - POA
1 stop4h 50mAzul
Deal found 10/21$169
This CheapOair deal was found by Cheapflights users on 10/23. 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.
Thu 12/1110:35 amPOA - SDU
1 stop5h 35mAzul
Wed 12/173:15 pmSDU - POA
1 stop3h 35mAzul
Deal found 10/23$173
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:50 amPOA - SDU
1 stop5h 20mMultiple Airlines
Sun 12/1410:30 amSDU - POA
2 stops7h 45mMultiple Airlines
Deal found 10/23$176
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:05 pmPOA - SDU
1 stop5h 50mAzul
Thu 12/48:50 amSDU - POA
1 stop5h 50mAzul
Deal found 10/22$178
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:30 amPOA - SDU
1 stop4h 30mMultiple Airlines
Fri 11/287:45 pmSDU - POA
1 stop12h 15mMultiple Airlines
Deal found 10/21$179
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:40 pmPOA - SDU
2 stops6h 30mLATAM Airlines
Fri 11/287:45 pmSDU - POA
1 stop12h 15mLATAM Airlines
Deal found 10/21$185
This GOL deal was found by Cheapflights users on 10/23. 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 12/47:35 amPOA - SDU
1 stop4h 10mGOL
Mon 12/85:10 pmSDU - POA
1 stop5h 05mGOL
Deal found 10/23$189
This Gotogate deal was found by Cheapflights users on 10/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:15 amPOA - SDU
1 stop7h 45mAzul
Wed 11/268:10 amSDU - POA
1 stop6h 10mAzul
Deal found 10/22$195

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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$153
(Booking.com)

One-way from

$74
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$177
Provider with most accurate pricing for Porto Alegre Salgado Filho-Rio de Janeiro Santos Dumont flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto Alegre Salgado Filho-Rio de Janeiro Santos Dumont flights.
Search Deals
From Porto Alegre Salgado Filho to Rio de Janeiro Santos Dumont
Search Deals
One-way flight from Porto Alegre Salgado Filho to Rio de Janeiro Santos Dumont
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 23, 2025.
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 12/6

6:00 am-1:35 pm

1 stop7h 35m

Rio de Janeiro Santos Dumont

Sat 12/13

9:55 am-6:50 pm

1 stop8h 55m

$163

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Sat 4/4

6:40 am-11:20 am

1 stop4h 40m

Rio de Janeiro Santos Dumont

Sat 4/11

8:45 am-12:30 pm

1 stop3h 45m

$167

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Sat 11/8

8:50 am-4:50 pm

1 stop8h 00m

Rio de Janeiro Santos Dumont

Tue 11/11

1:25 pm-6:15 pm

1 stop4h 50m

$169

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Mon 2/9

12:10 pm-4:30 pm

1 stop4h 20m

Rio de Janeiro Santos Dumont

Fri 2/20

8:15 am-12:30 pm

1 stop4h 15m

$171

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Thu 12/11

10:35 am-4:10 pm

1 stop5h 35m

Rio de Janeiro Santos Dumont

Wed 12/17

3:15 pm-6:50 pm

1 stop3h 35m

$173

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Fri 4/3

12:25 pm-4:15 pm

1 stop3h 50m

Rio de Janeiro Santos Dumont

Tue 4/7

3:10 pm-7:00 pm

1 stop3h 50m

$174

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Wed 11/26

5:30 am-10:00 am

1 stop4h 30m

Rio de Janeiro Santos Dumont

Fri 11/28

7:45 pm-8:00 am

1 stop12h 15m

$179

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Thu 1/8

1:10 pm-4:55 pm

1 stop3h 45m

Rio de Janeiro Santos Dumont

Mon 1/12

3:40 pm-8:40 pm

1 stop5h 00m

$188

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Thu 12/4

7:35 am-11:45 am

1 stop4h 10m

Rio de Janeiro Santos Dumont

Mon 12/8

4:25 pm-8:55 pm

1 stop4h 30m

$189

Porto AlegreRio de Janeiro

POA - SDU

POASDU

Porto Alegre Salgado Filho

Mon 1/12

10:35 am-3:00 pm

1 stop4h 25m

Rio de Janeiro Santos Dumont

Sun 1/18

6:55 am-12:30 pm

1 stop5h 35m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 20 results
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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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto Alegre-Rio de Janeiro Santos Dumont Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 17, 2025.

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 41 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, June is the cheapest month in which you can book a flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport (average of $68). Flying from Porto Alegre to Rio de Janeiro Santos Dumont Airport in January is currently the most expensive (average of $140). 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.

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 20m. Azul provides one of the quickest options available for as low as $171. 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, June is the cheapest month in which you can book a flight from Porto Alegre to Rio de Janeiro Santos Dumont Airport (average of $68). Flying from Porto Alegre to Rio de Janeiro Santos Dumont Airport in January is currently the most expensive (average of $140). 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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