HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santos Dumont

$459+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SDU
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh to Santos Dumont with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 18, 2025.

Round-trip from

$517
(Delta)

One-way from

$459
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$602
From Raleigh-Durham to Rio de Janeiro Santos Dumont
Search Deals
One-way flight from Raleigh-Durham to Rio de Janeiro Santos Dumont
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 18, 2025.

This FlightHub deal was found by Cheapflights users on 8/18. 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.
Wed 10/12:25 pmRDU - SDU
2 stops18h 10mLATAM Airlines
Wed 10/88:20 pmSDU - RDU
2 stops18h 50mLATAM Airlines
Deal found 8/18$570
This Delta deal was found by Cheapflights users on 8/18. 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.
Thu 9/2511:00 amRDU - SDU
2 stops25h 20mDelta
Fri 10/108:20 pmSDU - RDU
2 stops25h 05mDelta
Deal found 8/18$577
This KAYAK deal was found by Cheapflights users on 8/18. 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.
Sat 9/278:20 amRDU - SDU
2 stops24h 15mLATAM Airlines
Sun 10/128:20 pmSDU - RDU
2 stops25h 05mLATAM Airlines
Deal found 8/18$587
This Orbitz deal was found by Cheapflights users on 8/18. 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.
Fri 9/268:20 amRDU - SDU
2 stops24h 25mLATAM Airlines
Sat 10/112:20 pmSDU - RDU
2 stops31h 05mLATAM Airlines
Deal found 8/18$607
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:10 amRDU - SDU
2 stops28h 15mLATAM Airlines
Sat 10/182:20 pmSDU - RDU
2 stops31h 05mLATAM Airlines
Deal found 8/17$613
This Travelocity deal was found by Cheapflights users on 8/18. 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 9/248:20 amRDU - SDU
2 stops24h 15mLATAM Airlines
Thu 10/28:20 pmSDU - RDU
2 stops25h 33mLATAM Airlines
Deal found 8/18$615
This Priceline deal was found by Cheapflights users on 8/18. 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 10/107:59 pmRDU - SDU
2 stops21h 01mLATAM Airlines
Mon 10/138:20 pmSDU - RDU
2 stops25h 05mLATAM Airlines
Deal found 8/18$618
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:10 amRDU - SDU
2 stops27h 40mLATAM Airlines
Thu 10/231:55 pmSDU - RDU
2 stops21h 53mLATAM Airlines
Deal found 8/16$622
This Ovago deal was found by Cheapflights users on 8/18. 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.
Sat 9/278:20 amRDU - SDU
2 stops24h 15mLATAM Airlines
Fri 10/105:40 pmSDU - RDU
2 stops27h 45mLATAM Airlines
Deal found 8/18$651
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:45 pmRDU - SDU
2 stops17h 30mLATAM Airlines
Sun 11/238:05 pmSDU - RDU
2 stops20h 16mLATAM Airlines
Deal found 8/16$668
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:17 pmRDU - SDU
2 stops19h 03mLATAM Airlines
Mon 9/228:20 pmSDU - RDU
2 stops18h 57mLATAM Airlines
Deal found 8/17$673
This KAYAK deal was found by Cheapflights users on 8/18. 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 9/252:25 pmRDU - SDU
2 stops18h 10mLATAM Airlines
Sun 10/128:20 pmSDU - RDU
2 stops18h 50mLATAM Airlines
Deal found 8/18$685

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 August 18, 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

Tue 2/10

8:20 am-9:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Fri 2/20

8:05 pm-8:59 pm

2 stops26h 54m

$517

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Tue 2/10

8:20 am-9:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Tue 2/17

8:05 pm-8:59 pm

2 stops26h 54m

$517

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sat 2/14

8:20 am-9:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Fri 2/20

8:05 pm-8:59 pm

2 stops26h 54m

$517

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Wed 2/11

8:20 am-9:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Wed 2/18

8:05 pm-2:21 pm

2 stops20h 16m

$517

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Wed 2/11

8:20 am-9:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Fri 2/20

8:05 pm-8:59 pm

2 stops26h 54m

$517

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Wed 2/11

8:20 am-9:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Tue 2/17

8:05 pm-8:59 pm

2 stops26h 54m

$517

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Wed 2/11

8:20 am-9:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Sun 2/15

8:05 pm-1:37 pm

2 stops19h 32m

$517

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sat 2/14

8:20 am-9:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Tue 2/17

8:05 pm-8:59 pm

2 stops26h 54m

$517

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sat 2/14

8:20 am-9:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Wed 2/18

8:05 pm-2:21 pm

2 stops20h 16m

$517

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Mon 2/9

2:40 pm-1:15 pm

2 stops20h 35m

Rio de Janeiro Santos Dumont

Mon 2/16

2:00 pm-8:49 am

2 stops20h 49m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 21 results
1
2
3

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?

    Delta can get you from Raleigh to Rio de Janeiro Santos Dumont Airport in just under 23h 15m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.