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Santos Dumont

$320+ Cheap flights from Austin (AUS) 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SDU
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Austin to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 15, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$560
(KAYAK)

One-way from

$320
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$620
Provider with most accurate pricing for Austin Bergstrom-Rio de Janeiro Santos Dumont flight deals.
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Provider most trusted by Cheapflights users for Austin Bergstrom-Rio de Janeiro Santos Dumont flights.
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From Austin Bergstrom to Rio de Janeiro Santos Dumont
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One-way flight from Austin Bergstrom to Rio de Janeiro Santos Dumont
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Highest demand for flights based on searches. 11% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 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 Austin to Santos Dumont

Cheapest flights from Austin to Santos Dumont
Explore the most affordable flight options available from Austin to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This KAYAK deal was found by Cheapflights users on 1/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/23:36 pm
AUS
-
SDU
2 stops18h 39m
LATAM Airlines
Sun 3/12:00 pm
SDU
-
AUS
2 stops24h 23m
LATAM Airlines
Deal found 1/15$560
This KAYAK deal was found by Cheapflights users on 1/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/23:36 pm
AUS
-
SDU
2 stops21h 54m
LATAM Airlines
Sun 2/152:55 pm
SDU
-
AUS
2 stops29h 08m
LATAM Airlines
Deal found 1/14$565
This LATAM Airlines deal was found by Cheapflights users on 1/13. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:40 am
AUS
-
SDU
2 stops24h 55m
LATAM Airlines
Sun 6/148:15 pm
SDU
-
AUS
2 stops27h 44m
LATAM Airlines
Deal found 1/13$590
This Ovago deal was found by Cheapflights users on 1/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:00 am
AUS
-
SDU
2 stops26h 10m
LATAM Airlines
Mon 8/38:15 pm
SDU
-
AUS
2 stops27h 44m
LATAM Airlines
Deal found 1/15$600
This KAYAK deal was found by Cheapflights users on 1/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/41:55 pm
AUS
-
SDU
2 stops24h 05m
LATAM Airlines
Mon 2/162:00 pm
SDU
-
AUS
2 stops23h 35m
LATAM Airlines
Deal found 1/14$628
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/23:36 pm
AUS
-
SDU
2 stops18h 39m
Delta
Sun 2/158:05 pm
SDU
-
AUS
2 stops28h 30m
Delta
Deal found 1/14$633
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:15 am
AUS
-
SDU
2 stops31h 30m
United Airlines
Sat 3/75:30 pm
SDU
-
AUS
2 stops21h 44m
United Airlines
Deal found 1/14$680
This KAYAK deal was found by Cheapflights users on 1/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/41:55 pm
AUS
-
SDU
2 stops24h 05m
LATAM Airlines
Sat 2/1412:00 pm
SDU
-
AUS
2 stops31h 41m
LATAM Airlines
Deal found 1/14$690
This lastminute.com deal was found by Cheapflights users on 1/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:44 pm
AUS
-
SDU
2 stops21h 06m
LATAM Airlines
Wed 3/1111:10 am
SDU
-
AUS
2 stops36h 34m
LATAM Airlines
Deal found 1/15$691
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:00 pm
AUS
-
SDU
2 stops39h 10m
United Airlines
Tue 3/31:45 pm
SDU
-
AUS
2 stops21h 54m
United Airlines
Deal found 1/14$700
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/58:45 am
AUS
-
SDU
2 stops25h 30m
Delta
Mon 2/168:05 pm
SDU
-
AUS
2 stops28h 30m
Delta
Deal found 1/14$705
This lastminute.com deal was found by Cheapflights users on 1/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:44 am
AUS
-
SDU
2 stops30h 16m
LATAM Airlines
Sat 4/118:15 pm
SDU
-
AUS
2 stops22h 49m
LATAM Airlines
Deal found 1/14$730

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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 15, 2026.
Use the filters below to find and compare flights from Austin to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Austin

Fly to

Santos Dumont

Route

Depart

Return

Price

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Fri 2/27

12:34 pm-9:35 am

2 stops18h 01m

Rio de Janeiro Santos Dumont

Thu 3/12

8:05 pm-4:45 pm

2 stops22h 40m

$560

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 3/16

8:51 am-1:15 pm

2 stops26h 24m

Rio de Janeiro Santos Dumont

Mon 3/23

2:00 pm-4:45 pm

2 stops28h 45m

$560

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Tue 2/3

8:45 am-10:30 am

2 stops22h 45m

Rio de Janeiro Santos Dumont

Mon 2/16

2:00 pm-10:35 am

2 stops23h 35m

$565

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 2/2

3:36 pm-4:30 pm

2 stops21h 54m

Rio de Janeiro Santos Dumont

Sun 2/15

2:55 pm-5:03 pm

2 stops29h 08m

$565

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 2/2

3:36 pm-6:45 pm

2 stops24h 09m

Rio de Janeiro Santos Dumont

Sat 2/14

12:00 pm-4:41 pm

2 stops31h 41m

$628

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Wed 2/4

1:55 pm-5:00 pm

2 stops24h 05m

Rio de Janeiro Santos Dumont

Sun 2/15

4:10 pm-5:03 pm

2 stops27h 53m

$628

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Tue 2/3

8:45 am-9:25 am

2 stops21h 40m

Rio de Janeiro Santos Dumont

Sun 2/15

8:05 pm-9:35 pm

2 stops28h 30m

$633

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 2/2

3:36 pm-1:15 pm

2 stops18h 39m

Rio de Janeiro Santos Dumont

Sun 2/15

8:05 pm-9:35 pm

2 stops28h 30m

$633

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Tue 2/3

8:45 am-9:25 am

2 stops21h 40m

Rio de Janeiro Santos Dumont

Mon 2/16

8:05 pm-9:35 pm

2 stops28h 30m

$633

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Sun 3/1

5:59 pm-4:40 pm

2 stops19h 41m

Rio de Janeiro Santos Dumont

Wed 3/4

1:45 pm-11:18 am

2 stops24h 33m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Austin-Rio de Janeiro Santos Dumont Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Austin-Rio de Janeiro Santos Dumont Airport flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Austin-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 Austin-Rio de Janeiro Santos Dumont Airport flights, Cheapflights users trust Expedia the most. Expedia 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 Austin-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 Austin to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Austin 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.

Related info for your journey

Find useful and relevant information for your journey from Austin 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 Austin to Rio de Janeiro Santos Dumont?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Austin to Rio de Janeiro Santos Dumont. 0 airlines have flights from Austin Bergstrom to Rio de Janeiro Santos Dumont on a regular basis. Booking flights from Austin Bergstrom to Rio de Janeiro Santos Dumont should not be difficult; the airport handles an average of 0 outbound flights to Rio de Janeiro Santos Dumont per day.

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

    Departing from Austin to Rio de Janeiro Santos Dumont Airport will take you 18h 01m. The distance between Austin and Rio de Janeiro Santos Dumont Airport is about 5147 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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.

See more FAQs

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