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Santos Dumont

$268+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SDU
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$577
(Delta)

One-way from

$268
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$623
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. 14% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:59 pmAUS - SDU
2 stops17h 16mDelta
Fri 12/128:05 pmSDU - AUS
2 stops25h 31mDelta
Deal found 8/16$577
This Priceline deal was found by Cheapflights users on 8/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:40 amAUS - SDU
2 stops24h 55mLATAM Airlines
Fri 12/122:00 pmSDU - AUS
2 stops30h 13mLATAM Airlines
Deal found 8/16$673
This Ovago deal was found by Cheapflights users on 8/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:20 pmAUS - SDU
2 stops17h 05mGOL
Mon 9/224:30 pmSDU - AUS
2 stops23h 45mGOL
Deal found 8/16$698
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:30 amAUS - SDU
2 stops23h 50mAir Canada
Wed 12/1011:25 amSDU - AUS
2 stops36h 52mAir Canada
Deal found 8/16$734
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Mon 9/151:15 pmAUS - SDU
3 stops31h 10mMultiple Airlines
Mon 9/2211:25 amSDU - AUS
3 stops36h 14mMultiple Airlines
Deal found 8/16$737
This Priceline deal was found by Cheapflights users on 8/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:30 amAUS - SDU
2 stops23h 50mAir Canada
Fri 12/1211:25 amSDU - AUS
2 stops27h 49mAir Canada
Deal found 8/16$740
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:30 amAUS - SDU
2 stops23h 50mMultiple Airlines
Mon 12/158:15 amSDU - AUS
2 stops30h 59mMultiple Airlines
Deal found 8/16$745
This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:20 amAUS - SDU
2 stops25h 00mAir Canada
Tue 10/2811:25 amSDU - AUS
2 stops26h 54mAir Canada
Deal found 8/17$747
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:40 amAUS - SDU
2 stops28h 35mDelta
Sat 12/138:05 pmSDU - AUS
2 stops22h 44mDelta
Deal found 8/16$767
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:20 pmAUS - SDU
2 stops18h 15mDelta
Sat 12/138:05 pmSDU - AUS
2 stops20h 46mDelta
Deal found 8/16$787
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:30 amAUS - SDU
2 stops23h 50mAir Canada
Thu 12/1111:25 amSDU - AUS
2 stops27h 49mAir Canada
Deal found 8/16$815
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/243:36 pmAUS - SDU
2 stops22h 34mMultiple Airlines
Mon 9/19:20 pmSDU - AUS
2 stops40h 18mMultiple Airlines
Deal found 8/17$826

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 August 18, 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

Mon 9/15

6:20 pm-1:25 pm

2 stops17h 05m

Rio de Janeiro Santos Dumont

Mon 9/22

4:30 pm-2:15 pm

2 stops23h 45m

$698

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 9/15

1:15 pm-10:25 pm

3 stops31h 10m

Rio de Janeiro Santos Dumont

Mon 9/22

11:25 am-9:39 pm

3 stops36h 14m

$737

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Thu 10/23

11:20 am-2:20 pm

2 stops25h 00m

Rio de Janeiro Santos Dumont

Tue 10/28

11:25 am-12:19 pm

2 stops26h 54m

$747

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Sun 8/24

3:36 pm-4:10 pm

2 stops22h 34m

Rio de Janeiro Santos Dumont

Mon 9/1

9:20 pm-11:38 am

2 stops40h 18m

$826

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Tue 9/30

7:46 am-9:35 am

2 stops23h 49m

Rio de Janeiro Santos Dumont

Tue 10/7

8:20 am-9:45 pm

3 stops39h 25m

$867

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Tue 9/30

11:44 am-1:40 pm

2 stops23h 56m

Rio de Janeiro Santos Dumont

Tue 10/7

2:20 pm-3:10 pm

2 stops26h 50m

$894

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Thu 10/2

11:26 am-10:40 am

2 stops21h 14m

Rio de Janeiro Santos Dumont

Thu 10/9

1:55 pm-5:55 pm

2 stops54h 00m

$981

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Thu 9/11

5:55 pm-2:20 pm

2 stops18h 25m

Rio de Janeiro Santos Dumont

Sun 9/21

2:55 pm-8:51 am

2 stops19h 56m

$1,046

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Sat 9/6

5:45 am-10:25 pm

2 stops38h 40m

$268

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Sun 9/7

5:00 pm-7:05 am

2 stops36h 05m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 13 results
1
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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 17h 05m. 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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