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Santos Dumont

$333+ Cheap flights from Raleigh (RDU) 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SDU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Raleigh to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) 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 September 17, 2025.

Round-trip from

$528
(KAYAK)

One-way from

$333
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$700
From Raleigh-Durham to Rio de Janeiro Santos Dumont
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One-way flight from Raleigh-Durham to Rio de Janeiro Santos Dumont
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Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 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 Raleigh to Santos Dumont

Cheapest flights from Raleigh to Santos Dumont
Explore the most affordable flight options available from Raleigh to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

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.
Thu 11/272:12 pmRDU - SDU
2 stops17h 13mLATAM Airlines
Wed 12/108:05 pmSDU - RDU
2 stops18h 09mLATAM Airlines
Deal found 9/16$528
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:12 pmRDU - SDU
2 stops17h 13mLATAM Airlines
Mon 12/18:05 pmSDU - RDU
2 stops26h 32mLATAM Airlines
Deal found 9/16$548
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:05 amRDU - SDU
2 stops23h 20mLATAM Airlines
Thu 12/118:05 pmSDU - RDU
2 stops18h 09mLATAM Airlines
Deal found 9/15$576
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.
Fri 12/56:00 pmRDU - SDU
2 stops17h 15mLATAM Airlines
Sun 12/78:05 pmSDU - RDU
2 stops18h 09mLATAM Airlines
Deal found 9/16$646
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:59 pmRDU - SDU
2 stops16h 16mLATAM Airlines
Tue 11/252:00 pmSDU - RDU
2 stops21h 52mLATAM Airlines
Deal found 9/15$647
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/263:59 pmRDU - SDU
2 stops16h 36mDelta
Sat 11/88:05 pmSDU - RDU
2 stops18h 28mDelta
Deal found 9/17$670
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:05 amRDU - SDU
2 stops23h 20mLATAM Airlines
Tue 3/242:00 pmSDU - RDU
2 stops23h 14mLATAM Airlines
Deal found 9/15$676
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:41 pmRDU - SDU
2 stops17h 34mDelta
Sun 11/308:05 pmSDU - RDU
2 stops20h 02mDelta
Deal found 9/15$761
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:59 pmRDU - SDU
2 stops20h 16mLATAM Airlines
Sat 11/88:05 pmSDU - RDU
2 stops26h 22mLATAM Airlines
Deal found 9/17$779
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.
Thu 11/2710:35 amRDU - SDU
2 stops28h 10mUnited Airlines
Thu 12/111:45 pmSDU - RDU
2 stops21h 38mUnited Airlines
Deal found 9/15$828
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:41 pmRDU - SDU
2 stops17h 34mLATAM Airlines
Sun 11/308:05 pmSDU - RDU
2 stops20h 02mLATAM Airlines
Deal found 9/15$829

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh 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 17, 2025.
Use the filters below to find and compare flights from Raleigh to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Raleigh

Fly to

Santos Dumont

Route

Depart

Return

Price

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Thu 11/27

2:12 pm-9:25 am

2 stops17h 13m

Rio de Janeiro Santos Dumont

Wed 12/10

8:05 pm-12:14 pm

2 stops18h 09m

$528

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Mon 11/24

2:12 pm-9:25 am

2 stops17h 13m

Rio de Janeiro Santos Dumont

Mon 12/1

8:05 pm-8:37 pm

2 stops26h 32m

$548

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Thu 11/27

2:12 pm-9:25 am

2 stops17h 13m

Rio de Janeiro Santos Dumont

Thu 12/11

8:05 pm-12:14 pm

2 stops18h 09m

$586

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Thu 1/22

2:40 pm-9:25 am

2 stops16h 45m

Rio de Janeiro Santos Dumont

Wed 1/28

8:05 pm-12:14 pm

2 stops18h 09m

$646

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Fri 12/5

6:00 pm-1:15 pm

2 stops17h 15m

Rio de Janeiro Santos Dumont

Sun 12/7

8:05 pm-12:14 pm

2 stops18h 09m

$646

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Tue 11/18

6:59 pm-1:15 pm

2 stops16h 16m

Rio de Janeiro Santos Dumont

Tue 11/25

2:00 pm-9:52 am

2 stops21h 52m

$647

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Thu 1/22

1:45 pm-2:20 pm

2 stops22h 35m

Rio de Janeiro Santos Dumont

Wed 1/28

11:25 am-9:05 pm

2 stops35h 40m

$703

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Wed 2/4

2:40 pm-9:25 am

2 stops16h 45m

Rio de Janeiro Santos Dumont

Wed 2/11

8:05 pm-11:18 am

2 stops17h 13m

$714

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sat 2/14

1:45 pm-5:45 pm

2 stops26h 00m

Rio de Janeiro Santos Dumont

Thu 2/19

8:15 am-2:08 pm

2 stops31h 53m

$715

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Mon 3/2

12:33 pm-2:10 pm

2 stops23h 37m

Rio de Janeiro Santos Dumont

Mon 3/16

8:25 pm-9:45 pm

2 stops26h 20m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 23 results
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Best time to book a flight from Raleigh to Santos Dumont

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

    Raleigh-Durham (RDU), located 11.1 mi from the city center, is the airport you fly out of when you book flights from Raleigh to Rio de Janeiro Santos Dumont. 0 airlines have flights from Raleigh-Durham to Rio de Janeiro Santos Dumont on a regular basis. Booking flights from Raleigh-Durham 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 Raleigh to Rio de Janeiro Santos Dumont Airport?

    LATAM Airlines can get you from Raleigh to Rio de Janeiro Santos Dumont Airport in just under 17h 13m. Your travel time can differ by up to . The distance between Raleigh and Rio de Janeiro Santos Dumont Airport is about 4678 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Raleigh 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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