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Porto Alegre

$55+ Cheap flights from Santos Dumont, Brazil (SDU) to Porto Alegre (POA)

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — POA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Santos Dumont to Porto Alegre

Cheapest flights from Santos Dumont to Porto Alegre
Explore the most affordable flight options available from Santos Dumont to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:50 pm
SDU
-
POA
1 stop3h 50m
GOL
Fri 4/102:50 pm
POA
-
SDU
1 stop3h 50m
GOL
Deal found 1/27$96
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 3/288:30 am
SDU
-
POA
1 stop4h 00m
GOL
Sun 4/127:05 am
POA
-
SDU
1 stop3h 25m
GOL
Deal found 1/27$97
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 3/288:30 am
SDU
-
POA
1 stop4h 00m
GOL
Tue 4/71:45 pm
POA
-
SDU
1 stop3h 50m
GOL
Deal found 1/27$98
This GOL deal was found by Cheapflights users on 1/27. 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 3/309:05 am
SDU
-
POA
1 stop5h 05m
GOL
Tue 4/75:40 pm
POA
-
SDU
1 stop3h 50m
GOL
Deal found 1/27$99
This GOL deal was found by Cheapflights users on 1/27. 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 3/35:35 pm
SDU
-
POA
1 stop4h 30m
GOL
Tue 3/315:40 pm
POA
-
SDU
1 stop4h 25m
GOL
Deal found 1/27$105
This GOL deal was found by Cheapflights users on 1/27. 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 3/126:15 am
SDU
-
POA
1 stop4h 40m
GOL
Mon 3/1612:10 pm
POA
-
SDU
1 stop4h 20m
GOL
Deal found 1/27$111
This GOL deal was found by Cheapflights users on 1/27. 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.
Wed 3/251:10 pm
SDU
-
POA
1 stop4h 05m
GOL
Fri 3/277:00 am
POA
-
SDU
1 stop4h 45m
GOL
Deal found 1/27$112
This GOL deal was found by Cheapflights users on 1/28. 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.
Fri 3/62:35 pm
SDU
-
POA
1 stop4h 35m
GOL
Sun 3/88:30 pm
POA
-
SDU
1 stop10h 40m
GOL
Deal found 1/28$113
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 3/288:30 am
SDU
-
POA
1 stop4h 00m
Multiple Airlines
Mon 4/64:15 pm
POA
-
SDU
1 stop5h 20m
Multiple Airlines
Deal found 1/27$120
This GOL deal was found by Cheapflights users on 1/29. 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 5/1710:00 am
SDU
-
POA
1 stop4h 05m
GOL
Wed 5/201:45 pm
POA
-
SDU
1 stop4h 15m
GOL
Deal found 1/29$130
This GOL deal was found by Cheapflights users on 1/27. 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 4/72:55 pm
SDU
-
POA
1 stop5h 20m
GOL
Sat 4/111:35 pm
POA
-
SDU
1 stop5h 35m
GOL
Deal found 1/27$139

Find flight deals from Santos Dumont to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Santos Dumont (SDU) to Porto Alegre (POA). 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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$96
(Trip.com)

One-way from

$55
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$225
Provider with most accurate pricing for Rio de Janeiro Santos Dumont-Porto Alegre Salgado Filho flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rio de Janeiro Santos Dumont-Porto Alegre Salgado Filho flights.
Search Deals
From Rio de Janeiro Santos Dumont to Porto Alegre Salgado Filho
Search Deals
One-way flight from Rio de Janeiro Santos Dumont to Porto Alegre Salgado Filho
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santos Dumont to Porto Alegre 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 29, 2026.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre that are best for you.

Fly from

Santos Dumont

Fly to

Porto Alegre

Route

Depart

Return

Price

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Mon 3/30

12:50 pm-4:40 pm

1 stop3h 50m

Porto Alegre Salgado Filho

Fri 4/10

2:50 pm-6:40 pm

1 stop3h 50m

$96

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Sat 3/28

8:30 am-12:30 pm

1 stop4h 00m

Porto Alegre Salgado Filho

Sun 4/12

7:05 am-10:30 am

1 stop3h 25m

$97

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Sun 3/29

11:30 am-3:45 pm

1 stop4h 15m

Porto Alegre Salgado Filho

Thu 4/9

7:00 am-10:35 am

1 stop3h 35m

$98

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Sat 3/28

8:30 am-12:30 pm

1 stop4h 00m

Porto Alegre Salgado Filho

Tue 4/7

1:45 pm-5:35 pm

1 stop3h 50m

$98

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Sat 3/28

8:30 am-12:30 pm

1 stop4h 00m

Porto Alegre Salgado Filho

Sat 4/11

4:30 pm-8:05 pm

1 stop3h 35m

$98

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Wed 4/29

7:00 am-10:55 am

1 stop3h 55m

Porto Alegre Salgado Filho

Wed 5/6

10:50 am-3:55 pm

1 stop5h 05m

$99

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Sat 4/25

9:20 am-2:05 pm

1 stop4h 45m

Porto Alegre Salgado Filho

Tue 4/28

1:45 pm-6:00 pm

1 stop4h 15m

$99

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Sat 5/2

9:10 am-2:05 pm

1 stop4h 55m

Porto Alegre Salgado Filho

Sat 5/16

6:25 am-10:00 am

1 stop3h 35m

$99

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Mon 3/30

12:50 pm-4:40 pm

1 stop3h 50m

Porto Alegre Salgado Filho

Sat 4/11

4:30 pm-8:05 pm

1 stop3h 35m

$99

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Thu 6/11

6:30 am-10:55 am

1 stop4h 25m

Porto Alegre Salgado Filho

Sun 6/14

7:25 am-12:15 pm

1 stop4h 50m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 23 results
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  • Most accurate provider: When it comes to deals on Rio de Janeiro Santos Dumont Airport-Porto Alegre flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rio de Janeiro Santos Dumont Airport-Porto Alegre flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rio de Janeiro Santos Dumont Airport-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rio de Janeiro Santos Dumont Airport-Porto Alegre 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 Rio de Janeiro Santos Dumont Airport-Porto Alegre 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 Santos Dumont to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Santos Dumont 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 Rio de Janeiro Santos Dumont Airport to Porto Alegre

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

Use this chart to determine the optimal time to book a round-trip flight from Santos Dumont to Porto Alegre. Price data was last updated on January 23, 2026.

The price you pay for your flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre may vary depending on when you book. For the best chance of a lower fare, look to book 62 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 Rio de Janeiro Santos Dumont Airport to Porto Alegre?

Currently, July is the cheapest month in which you can book a flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre (average of $77). Flying from Rio de Janeiro Santos Dumont Airport to Porto Alegre in December is currently the most expensive (average of $150). 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 Santos Dumont to Porto Alegre. 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 into for flights to Porto Alegre from Rio de Janeiro Santos Dumont?

    Porto Alegre Salgado Filho (POA) is the airport you will fly into if you book a flight from Rio de Janeiro Santos Dumont to Porto Alegre. You should not have trouble finding flights to Salgado Filho from Rio de Janeiro Santos Dumont; the airport handles an average of 0 inbound flights from Rio de Janeiro Santos Dumont per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Porto Alegre airport from Rio de Janeiro Santos Dumont. It is only a 4.0 mi journey from Salgado Filho (POA) to Porto Alegre’s city center.

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

    Departing from Rio de Janeiro Santos Dumont Airport to Porto Alegre will take you 3h 50m. Airlines will cover a distance of 695 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santos Dumont to Porto Alegre 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 Rio de Janeiro Santos Dumont Airport to Porto Alegre?

    Currently, July is the cheapest month in which you can book a flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre (average of $77). Flying from Rio de Janeiro Santos Dumont Airport to Porto Alegre in December is currently the most expensive (average of $150). 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.

See more FAQs

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Alternative routes for Santos Dumont to Porto Alegre

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