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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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SDU
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$641
(KAYAK)

One-way from

$320
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$698
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. 10% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 17, 2025.

This FlightHub deal was found by Cheapflights users on 9/16. 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.
jue. 11/133:55 pmAUS - SDU
2 stops38h 40mLATAM Airlines
jue. 11/202:00 pmSDU - AUS
2 stops30h 10mLATAM Airlines
Deal found 9/16$653
This KAYAK deal was found by Cheapflights users on 9/16. 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.
sáb. 11/223:21 pmAUS - SDU
2 stops18h 54mLATAM Airlines
jue. 11/278:05 pmSDU - AUS
2 stops21h 39mLATAM Airlines
Deal found 9/16$655
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/83:21 pmAUS - SDU
2 stops21h 39mLATAM Airlines
lun. 12/156:30 amSDU - AUS
2 stops35h 25mLATAM Airlines
Deal found 9/15$687
This Mytrip deal was found by Cheapflights users on 9/16. 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.
vie. 10/319:56 amAUS - SDU
3 stops32h 19mMultiple Airlines
vie. 11/76:20 amSDU - AUS
2 stops30h 10mMultiple Airlines
Deal found 9/16$736
This United Airlines deal was found by Cheapflights users on 9/16. 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.
jue. 10/235:37 pmAUS - SDU
2 stops18h 43mUnited Airlines
mar. 10/281:45 pmSDU - AUS
2 stops23h 22mUnited Airlines
Deal found 9/16$748
This LATAM Airlines deal was found by Cheapflights users on 9/16. 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.
dom. 9/287:46 amAUS - SDU
2 stops29h 14mMultiple Airlines
mar. 10/143:40 pmSDU - AUS
2 stops52h 15mMultiple Airlines
Deal found 9/16$757
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/19:45 amAUS - SDU
2 stops28h 00mUnited Airlines
mar. 12/91:45 pmSDU - AUS
2 stops29h 01mUnited Airlines
Deal found 9/15$838
This LATAM Airlines deal was found by Cheapflights users on 9/17. 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.
jue. 10/23:54 pmAUS - SDU
2 stops39h 41mMultiple Airlines
mié. 10/88:20 pmSDU - AUS
2 stops47h 35mMultiple Airlines
Deal found 9/17$890
This United Airlines deal was found by Cheapflights users on 9/17. 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.
sáb. 11/112:49 pmAUS - SDU
3 stops49h 56mUnited Airlines
sáb. 11/85:30 pmSDU - AUS
2 stops18h 06mUnited Airlines
Deal found 9/17$899

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 septiembre 17, 2025.
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

lun. 12/8

3:21 pm-4:00 pm

2 stops21h 39m

Rio de Janeiro Santos Dumont

lun. 12/15

6:30 am-2:55 pm

2 stops35h 25m

$687

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

jue. 11/13

12:15 pm-4:45 pm

2 stops25h 30m

Rio de Janeiro Santos Dumont

jue. 11/20

1:45 pm-1:14 pm

2 stops26h 29m

$748

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

jue. 10/23

5:37 pm-2:20 pm

2 stops18h 43m

Rio de Janeiro Santos Dumont

mar. 10/28

1:45 pm-11:07 am

2 stops23h 22m

$748

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

dom. 9/28

7:46 am-3:00 pm

2 stops29h 14m

Rio de Janeiro Santos Dumont

mar. 10/14

3:40 pm-5:55 pm

2 stops52h 15m

$757

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

mar. 2/24

2:45 pm-4:30 pm

2 stops22h 45m

Rio de Janeiro Santos Dumont

jue. 3/5

6:10 am-9:59 pm

2 stops18h 49m

$780

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

mar. 2/24

7:00 am-2:20 pm

2 stops28h 20m

Rio de Janeiro Santos Dumont

jue. 3/5

5:25 pm-12:01 pm

2 stops21h 36m

$793

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

dom. 2/8

6:32 am-2:20 pm

2 stops28h 48m

Rio de Janeiro Santos Dumont

dom. 2/15

2:50 pm-8:34 am

2 stops20h 44m

$838

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

sáb. 11/1

3:37 pm-4:45 pm

2 stops47h 08m

Rio de Janeiro Santos Dumont

sáb. 11/8

5:30 pm-11:11 am

2 stops20h 41m

$890

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

vie. 10/31

9:55 am-8:15 pm

2 stops32h 20m

Rio de Janeiro Santos Dumont

vie. 11/7

8:05 pm-11:05 am

2 stops18h 00m

$952

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

mié. 2/11

5:55 pm-2:20 pm

2 stops17h 25m

Rio de Janeiro Santos Dumont

jue. 2/19

5:25 pm-11:51 am

2 stops21h 26m

$965

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 17 results
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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 21h 39m. The distance between Austin and Rio de Janeiro Santos Dumont Airport is about 5147 mi. This flight may include one or multiple stops.

  • 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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