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Santos Dumont

$348+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SDU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/27. 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 3/254:53 pm
RDU
-
SDU
2 stops15h 32m
LATAM Airlines
Mon 3/308:20 pm
SDU
-
RDU
2 stops19h 33m
LATAM Airlines
Deal found 1/27$541
This Expedia deal was found by Cheapflights users on 1/27. 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 3/246:59 pm
RDU
-
SDU
2 stops37h 26m
Multiple Airlines
Tue 3/318:20 pm
SDU
-
RDU
2 stops17h 42m
Multiple Airlines
Deal found 1/27$572
This Orbitz deal was found by Cheapflights users on 1/27. 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 8/283:30 pm
RDU
-
SDU
2 stops16h 05m
LATAM Airlines
Sun 8/308:15 pm
SDU
-
RDU
2 stops25h 45m
LATAM Airlines
Deal found 1/27$578
This FlightHub deal was found by Cheapflights users on 1/28. 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 8/1112:45 pm
RDU
-
SDU
2 stops18h 50m
LATAM Airlines
Tue 9/158:15 pm
SDU
-
RDU
2 stops16h 50m
LATAM Airlines
Deal found 1/28$599
This Delta deal was found by Cheapflights users on 1/28. 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 7/1912:45 pm
RDU
-
SDU
2 stops18h 50m
Delta
Wed 7/298:15 pm
SDU
-
RDU
2 stops16h 50m
Delta
Deal found 1/28$619
This Expedia deal was found by Cheapflights users on 1/27. 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.
Thu 5/214:25 pm
RDU
-
SDU
2 stops19h 45m
Multiple Airlines
Wed 6/31:55 pm
SDU
-
RDU
2 stops23h 10m
Multiple Airlines
Deal found 1/27$624
This KAYAK deal was found by Cheapflights users on 1/27. 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.
Tue 3/33:18 pm
RDU
-
SDU
2 stops18h 17m
LATAM Airlines
Wed 3/118:05 pm
SDU
-
RDU
2 stops19h 48m
LATAM Airlines
Deal found 1/27$634
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:12 pm
RDU
-
SDU
2 stops21h 03m
LATAM Airlines
Mon 3/168:05 pm
SDU
-
RDU
2 stops19h 48m
LATAM Airlines
Deal found 1/27$652
This FlightHub deal was found by Cheapflights users on 1/28. 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 8/275:45 pm
RDU
-
SDU
2 stops18h 25m
LATAM Airlines
Sun 8/308:15 pm
SDU
-
RDU
2 stops19h 08m
LATAM Airlines
Deal found 1/28$669
This Ovago deal was found by Cheapflights users on 1/26. 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.
Thu 5/2812:40 pm
RDU
-
SDU
2 stops18h 55m
LATAM Airlines
Tue 8/118:15 pm
SDU
-
RDU
2 stops25h 45m
LATAM Airlines
Deal found 1/26$676
This KAYAK deal was found by Cheapflights users on 1/28. 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 3/43:18 pm
RDU
-
SDU
2 stops16h 07m
LATAM Airlines
Wed 3/118:05 pm
SDU
-
RDU
2 stops16h 34m
LATAM Airlines
Deal found 1/28$686
This Delta deal was found by Cheapflights users on 1/28. 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 7/1612:45 pm
RDU
-
SDU
2 stops18h 50m
Delta
Tue 7/288:15 pm
SDU
-
RDU
2 stops16h 50m
Delta
Deal found 1/28$689

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$541
(FlightHub)

One-way from

$348
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$621
Provider with most accurate pricing for Raleigh-Durham-Rio de Janeiro (RIO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Rio de Janeiro (RIO) flights.
Search Deals
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. 3% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Fri 7/24

8:20 am-1:10 pm

2 stops27h 50m

Rio de Janeiro Santos Dumont

Fri 7/31

8:15 pm-9:00 pm

2 stops25h 45m

$599

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sun 7/19

12:45 pm-8:35 am

2 stops18h 50m

Rio de Janeiro Santos Dumont

Wed 7/29

8:15 pm-12:05 pm

2 stops16h 50m

$619

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sun 7/19

12:45 pm-8:35 am

2 stops18h 50m

Rio de Janeiro Santos Dumont

Tue 7/28

8:15 pm-2:23 pm

2 stops19h 08m

$619

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Wed 3/25

4:53 pm-9:25 am

2 stops15h 32m

Rio de Janeiro Santos Dumont

Mon 3/30

8:20 pm-2:53 pm

2 stops19h 33m

$619

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Tue 3/3

3:18 pm-11:35 am

2 stops18h 17m

Rio de Janeiro Santos Dumont

Wed 3/11

8:05 pm-2:53 pm

2 stops19h 48m

$634

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Mon 3/2

3:18 pm-1:15 pm

2 stops19h 57m

Rio de Janeiro Santos Dumont

Mon 3/16

8:05 pm-2:53 pm

2 stops19h 48m

$652

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Thu 5/28

12:40 pm-8:35 am

2 stops18h 55m

Rio de Janeiro Santos Dumont

Tue 8/11

8:15 pm-9:00 pm

2 stops25h 45m

$676

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Thu 7/16

12:45 pm-8:35 am

2 stops18h 50m

Rio de Janeiro Santos Dumont

Wed 7/29

8:15 pm-12:05 pm

2 stops16h 50m

$689

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sun 3/1

11:00 am-1:15 pm

2 stops24h 15m

Rio de Janeiro Santos Dumont

Wed 3/11

2:00 pm-2:53 pm

2 stops25h 53m

$724

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Mon 7/13

8:20 am-8:35 am

2 stops23h 15m

Rio de Janeiro Santos Dumont

Fri 7/17

8:15 pm-12:50 pm

2 stops17h 35m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 17 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 and Delta can get you from Raleigh to Rio de Janeiro Santos Dumont Airport in just under 18h 50m. Your travel time can differ by up to 9h. The distance between Raleigh and Rio de Janeiro Santos Dumont Airport is about 4678 mi. This flight may include one or multiple stops.

  • 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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