Santos Dumont

$308+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SDU
Oct 11 — Oct 181
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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 September 11, 2025.

Round-trip from

$604
(LATAM Airlines)

One-way from

$308
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$1,744
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. 8% potential increase in price ($149 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 11, 2025.

This LATAM Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 9/2211:44 amAUS - SDU
2 stops23h 56mMultiple Airlines
Tue 10/77:10 pmSDU - AUS
2 stops48h 45mMultiple Airlines
Deal found 9/11$604
This Mytrip deal was found by Cheapflights users on 9/8. 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 10/215:15 pmDFW - SDU
2 stops27h 10mMultiple Airlines
Mon 10/275:30 pmSDU - DFW
2 stops24h 01mMultiple Airlines
Deal found 9/8$653
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/256:35 amIAH - SDU
3 stops26h 35mMultiple Airlines
Sat 11/15:30 pmSDU - IAH
3 stops30h 47mMultiple Airlines
Deal found 9/10$662
This Mytrip deal was found by Cheapflights users on 9/11. 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.
Sun 10/265:10 amDFW - SDU
3 stops33h 40mMultiple Airlines
Sun 11/28:30 amSDU - DFW
3 stops39h 02mMultiple Airlines
Deal found 9/11$681
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sun 10/266:35 amIAH - SDU
3 stops32h 15mMultiple Airlines
Sat 11/15:30 pmSDU - IAH
3 stops30h 47mMultiple Airlines
Deal found 9/10$682
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 11/55:30 amAUS - SDU
2 stops32h 15mUnited Airlines
Sat 11/155:30 pmSDU - AUS
2 stops18h 06mUnited Airlines
Deal found 9/11$683
This Mytrip deal was found by Cheapflights users on 9/11. 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.
Fri 10/37:00 pmDFW - SDU
2 stops25h 25mMultiple Airlines
Mon 10/68:15 amSDU - DFW
3 stops39h 21mMultiple Airlines
Deal found 9/11$690
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/68:10 pmIAH - SDU
2 stops24h 15mMultiple Airlines
Sun 10/199:55 amSDU - IAH
2 stops24h 38mMultiple Airlines
Deal found 9/10$691
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Thu 10/308:10 amDFW - SDU
3 stops30h 45mMultiple Airlines
Tue 11/45:25 pmSDU - DFW
2 stops19h 01mMultiple Airlines
Deal found 9/10$692
This Mytrip deal was found by Cheapflights users on 9/11. 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.
Fri 10/37:00 pmDFW - SDU
2 stops25h 25mMultiple Airlines
Tue 10/76:50 pmSDU - DFW
2 stops22h 41mMultiple Airlines
Deal found 9/11$693
This Mytrip deal was found by Cheapflights users on 9/9. 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 12/26:30 amDFW - SDU
3 stops22h 10mMultiple Airlines
Sun 12/710:05 amSDU - DFW
2 stops26h 21mMultiple Airlines
Deal found 9/9$699
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/278:10 pmIAH - SDU
2 stops24h 15mMultiple Airlines
Sun 11/910:05 amSDU - IAH
2 stops26h 03mMultiple Airlines
Deal found 9/10$701

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 September 11, 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

Mon 9/22

11:44 am-1:40 pm

2 stops23h 56m

Rio de Janeiro Santos Dumont

Tue 10/7

7:10 pm-5:55 pm

2 stops48h 45m

$604

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Tue 2/24

1:40 pm-2:35 pm

2 stops21h 55m

Rio de Janeiro Santos Dumont

Thu 3/5

2:00 pm-5:37 pm

2 stops30h 37m

$678

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Wed 11/5

5:30 am-4:45 pm

2 stops32h 15m

Rio de Janeiro Santos Dumont

Sat 11/15

5:30 pm-8:36 am

2 stops18h 06m

$683

DallasRio de Janeiro

DFW - SDU

DFWSDU

Dallas/Fort Worth

Fri 10/3

4:57 pm-10:25 pm

2 stops27h 28m

Rio de Janeiro Santos Dumont

Mon 10/6

8:15 am-9:36 pm

3 stops39h 21m

$691

DallasRio de Janeiro

DFW - SDU

DFWSDU

Dallas/Fort Worth

Fri 10/3

7:00 pm-10:25 pm

2 stops25h 25m

Rio de Janeiro Santos Dumont

Tue 10/7

6:50 pm-3:31 pm

2 stops22h 41m

$693

DallasRio de Janeiro

DFW - SDU

DFWSDU

Dallas/Fort Worth

Thu 10/9

5:35 am-4:50 pm

3 stops33h 15m

Rio de Janeiro Santos Dumont

Thu 10/16

11:30 am-10:43 pm

3 stops37h 13m

$703

HoustonRio de Janeiro

IAH - SDU

IAHSDU

Houston George Bush Intcntl

Mon 10/13

8:10 pm-10:25 pm

2 stops24h 15m

Rio de Janeiro Santos Dumont

Sun 10/26

8:25 am-12:28 am

3 stops42h 03m

$706

DallasRio de Janeiro

DFW - SDU

DFWSDU

Dallas/Fort Worth

Sat 10/25

6:05 pm-10:05 pm

2 stops26h 00m

Rio de Janeiro Santos Dumont

Sat 11/1

10:05 am-10:45 am

2 stops26h 40m

$712

HoustonRio de Janeiro

IAH - SDU

IAHSDU

Houston George Bush Intcntl

Sun 10/26

6:35 am-4:50 pm

3 stops32h 15m

Rio de Janeiro Santos Dumont

Sun 11/2

10:05 am-8:33 am

2 stops25h 28m

$725

DallasRio de Janeiro

DFW - SDU

DFWSDU

Dallas/Fort Worth

Thu 10/30

5:15 pm-10:25 pm

2 stops27h 10m

Rio de Janeiro Santos Dumont

Tue 11/4

5:25 pm-9:26 am

2 stops19h 01m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 56 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Texas to Rio de Janeiro Santos Dumont Airport as you normally would.

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 Delta can get you from Texas to Rio de Janeiro Santos Dumont Airport in just under 19h 55m. Your travel time can differ by up to 12h 20m. The distance from Texas to Rio de Janeiro Santos Dumont Airport is about 5013 mi. This flight may include one or multiple stops.

  • 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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