Santos Dumont

$291+ Cheap flights from Texas 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SDU
Dec 6 — Dec 131
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Find flight deals from Texas to Santos Dumont

Cheapest flights from Texas to Santos Dumont
Explore the most affordable flight options available from Texas to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This KAYAK deal was found by Cheapflights users on 11/4. 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 12/35:00 pmAUS - SDU
2 stops22h 45mLATAM Airlines
Tue 12/94:50 pmSDU - AUS
2 stops24h 55mLATAM Airlines
Deal found 11/4$636
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 11/139:45 amAUS - SDU
2 stops27h 55mUnited Airlines
Thu 11/201:45 pmSDU - AUS
2 stops21h 51mUnited Airlines
Deal found 11/5$678
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sun 11/237:00 amAUS - SDU
2 stops30h 40mUnited Airlines
Thu 11/271:45 pmSDU - AUS
2 stops30h 36mUnited Airlines
Deal found 11/6$748
This Mytrip deal was found by Cheapflights users on 11/5. 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 11/126:50 pmDFW - SDU
2 stops33h 15mMultiple Airlines
Fri 12/510:05 amSDU - DFW
3 stops35h 42mMultiple Airlines
Deal found 11/5$785
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/15:30 amAUS - SDU
2 stops32h 05mUnited Airlines
Tue 12/91:45 pmSDU - AUS
2 stops24h 23mUnited Airlines
Deal found 11/4$844
This FlightHub deal was found by Cheapflights users on 11/4. 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.
Tue 12/25:00 pmAUS - SDU
2 stops20h 30mLATAM Airlines
Tue 12/95:10 pmSDU - AUS
2 stops24h 35mLATAM Airlines
Deal found 11/4$866
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/225:41 pmAUS - SDU
2 stops43h 59mUnited Airlines
Thu 11/271:45 pmSDU - AUS
2 stops30h 36mUnited Airlines
Deal found 11/6$888
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Tue 12/97:25 pmIAH - SDU
2 stops24h 00mMultiple Airlines
Tue 12/2311:20 amSDU - IAH
3 stops33h 20mMultiple Airlines
Deal found 11/4$894
This Mytrip deal was found by Cheapflights users on 11/6. 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 12/38:54 pmIAH - SDU
2 stops22h 31mMultiple Airlines
Sun 12/76:00 amSDU - IAH
2 stops20h 59mMultiple Airlines
Deal found 11/6$924
This Travelocity deal was found by Cheapflights users on 11/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:25 pmIAH - SDU
2 stops25h 00mAzul
Wed 11/126:50 pmSDU - IAH
2 stops19h 06mAzul
Deal found 11/4$933
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Tue 11/188:39 amIAH - SDU
2 stops26h 31mMultiple Airlines
Tue 12/26:10 amSDU - IAH
3 stops33h 51mMultiple Airlines
Deal found 11/6$942
This Trip.com deal was found by Cheapflights users on 11/4. 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.
Wed 11/58:39 amIAH - SDU
2 stops30h 31mMultiple Airlines
Wed 11/126:10 amSDU - IAH
2 stops20h 49mMultiple Airlines
Deal found 11/4$960

Cheap flight deals from Texas to Santos Dumont

Keep the following information in mind while searching for Texas to Santos Dumont flight deals. Data was last updated November 6, 2025.

Round-trip from

$578
(KAYAK)

One-way from

$291
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,652
From Texas to Rio de Janeiro Santos Dumont
One-way flight from Texas to Rio de Janeiro Santos Dumont
Highest demand for flights based on searches. 9% potential increase in price ($158 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Texas 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 November 6, 2025.
Use the filters below to find and compare flights from Texas to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Texas

Fly to

Santos Dumont

Route

Depart

Return

Price

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Fri 3/20

7:30 am-1:15 pm

2 stops27h 45m

Rio de Janeiro Santos Dumont

Tue 3/31

2:20 pm-6:52 pm

2 stops30h 32m

$578

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Wed 12/3

5:00 pm-6:45 pm

2 stops22h 45m

Rio de Janeiro Santos Dumont

Tue 12/9

4:50 pm-2:45 pm

2 stops24h 55m

$636

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Thu 12/4

1:42 pm-12:35 pm

2 stops19h 53m

Rio de Janeiro Santos Dumont

Tue 12/9

5:10 pm-2:45 pm

2 stops24h 35m

$636

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Tue 4/21

3:35 pm-9:35 am

2 stops40h 00m

Rio de Janeiro Santos Dumont

Thu 4/30

8:20 pm-2:08 pm

2 stops43h 48m

$673

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Sun 11/23

7:00 am-4:40 pm

2 stops30h 40m

Rio de Janeiro Santos Dumont

Thu 11/27

1:45 pm-5:21 pm

2 stops30h 36m

$748

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Sun 1/25

1:55 pm-2:05 pm

2 stops21h 10m

Rio de Janeiro Santos Dumont

Sun 2/1

2:50 pm-11:11 am

2 stops23h 21m

$788

HoustonRio de Janeiro

IAH - SDU

IAHSDU

Houston George Bush Intcntl

Sun 1/25

4:53 pm-10:25 pm

2 stops26h 32m

Rio de Janeiro Santos Dumont

Wed 1/28

8:25 pm-9:38 pm

2 stops28h 13m

$843

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 12/1

5:30 am-4:35 pm

2 stops32h 05m

Rio de Janeiro Santos Dumont

Tue 12/9

1:45 pm-11:08 am

2 stops24h 23m

$844

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 2/2

6:09 pm-10:25 pm

2 stops25h 16m

Rio de Janeiro Santos Dumont

Sun 3/1

8:25 pm-12:25 am

2 stops31h 00m

$849

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Tue 12/2

5:00 pm-4:30 pm

2 stops20h 30m

Rio de Janeiro Santos Dumont

Tue 12/9

5:10 pm-2:45 pm

2 stops24h 35m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 59 results
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Best time to book a flight from Texas to Santos Dumont

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

What is the cheapest time of day to fly from TX to SDU?

Find hourly flight availability from Texas to Santos Dumont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 53% on flights from Texas to Rio de Janeiro Santos Dumont Airport by exploring options for tickets at noon.

Related info for your journey

Find useful and relevant information for your journey from Texas to Santos Dumont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Texas to Rio de Janeiro Santos Dumont Airport?

    LATAM Airlines, United Airlines, and GOL can get you from Texas to Rio de Janeiro Santos Dumont Airport in just under 26h 32m. Your travel time can differ by up to 4h 08m. The distance from Texas to Rio de Janeiro Santos Dumont Airport is about 5031 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Texas to Rio de Janeiro Santos Dumont Airport one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $526. However, be on the lookout for offers from LATAM Airlines and GOL, as they are both options that can get you from Texas to Rio de Janeiro Santos Dumont Airport for a low price.

  • What are the most popular routes from Texas to Rio de Janeiro Santos Dumont Airport?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Texas 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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