HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santos Dumont

$407+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SDU
May 11 — May 181
Mon 5/11
Mon 5/18
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

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 April 11, 2026.

This oojo deal was found by Cheapflights users on 4/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:59 am
RDU
-
SDU
2 stops25h 11m
Multiple Airlines
Tue 9/158:15 pm
SDU
-
RDU
2 stops16h 47m
Multiple Airlines
Deal found 4/11$683
This FlightHub deal was found by Cheapflights users on 4/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:53 pm
RDU
-
SDU
2 stops21h 37m
LATAM Airlines
Tue 6/308:15 pm
SDU
-
RDU
2 stops19h 06m
LATAM Airlines
Deal found 4/10$694
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:30 pm
RDU
-
SDU
2 stops20h 40m
LATAM Airlines
Tue 9/18:15 pm
SDU
-
RDU
2 stops16h 50m
LATAM Airlines
Deal found 4/6$711
This KAYAK deal was found by Cheapflights users on 4/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:40 pm
RDU
-
SDU
2 stops18h 55m
LATAM Airlines
Mon 11/98:15 pm
SDU
-
RDU
2 stops17h 01m
LATAM Airlines
Deal found 4/9$712
This KAYAK deal was found by Cheapflights users on 4/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:30 pm
RDU
-
SDU
2 stops20h 40m
LATAM Airlines
Sun 8/301:55 pm
SDU
-
RDU
2 stops32h 05m
LATAM Airlines
Deal found 4/9$720
This BusinessClass deal was found by Cheapflights users on 4/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:40 pm
RDU
-
SDU
2 stops18h 55m
LATAM Airlines
Mon 8/318:15 pm
SDU
-
RDU
2 stops25h 45m
LATAM Airlines
Deal found 4/6$722
This FlightHub deal was found by Cheapflights users on 4/7. 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 8/263:30 pm
RDU
-
SDU
2 stops16h 05m
LATAM Airlines
Tue 9/18:15 pm
SDU
-
RDU
2 stops16h 50m
LATAM Airlines
Deal found 4/7$741
This KAYAK deal was found by Cheapflights users on 4/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:30 pm
RDU
-
SDU
2 stops20h 40m
LATAM Airlines
Tue 9/18:15 pm
SDU
-
RDU
2 stops16h 50m
LATAM Airlines
Deal found 4/11$742
This BusinessClass deal was found by Cheapflights users on 4/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:00 am
RDU
-
SDU
2 stops26h 10m
LATAM Airlines
Sun 8/308:15 pm
SDU
-
RDU
2 stops17h 35m
LATAM Airlines
Deal found 4/6$743
This KAYAK deal was found by Cheapflights users on 4/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:00 pm
RDU
-
SDU
2 stops21h 40m
LATAM Airlines
Sat 10/178:15 pm
SDU
-
RDU
2 stops19h 01m
LATAM Airlines
Deal found 4/10$747

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 April 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$694
(FlightHub)

One-way from

$407
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$631
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. 4% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 11, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Tue 6/23

1:53 pm-12:30 pm

2 stops21h 37m

Rio de Janeiro Santos Dumont

Tue 6/30

8:15 pm-2:21 pm

2 stops19h 06m

$694

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sat 5/9

6:28 am-8:35 am

2 stops25h 07m

Rio de Janeiro Santos Dumont

Fri 5/15

8:15 pm-1:24 pm

2 stops18h 09m

$796

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sat 4/25

11:53 am-10:20 pm

2 stops33h 27m

Rio de Janeiro Santos Dumont

Tue 4/28

8:20 am-9:59 am

2 stops26h 39m

$799

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sun 5/24

7:35 am-8:35 am

2 stops24h 00m

Rio de Janeiro Santos Dumont

Sun 5/31

8:15 pm-2:40 pm

2 stops19h 25m

$811

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Mon 6/15

5:03 pm-1:10 pm

2 stops19h 07m

Rio de Janeiro Santos Dumont

Sat 6/27

8:15 pm-2:21 pm

2 stops19h 06m

$839
Quickest round-trip

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Mon 6/1

5:59 pm-1:10 pm

2 stops18h 11m

Rio de Janeiro Santos Dumont

Wed 6/10

8:15 pm-12:04 pm

2 stops16h 49m

$840

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Sat 5/23

2:08 pm-1:10 pm

2 stops22h 02m

Rio de Janeiro Santos Dumont

Sat 5/30

8:15 pm-2:40 pm

2 stops19h 25m

$869

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Mon 5/11

1:55 pm-1:10 pm

2 stops22h 15m

Rio de Janeiro Santos Dumont

Mon 5/18

8:15 pm-2:40 pm

2 stops19h 25m

$870

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Thu 5/28

2:07 pm-1:10 pm

2 stops22h 03m

Rio de Janeiro Santos Dumont

Sun 6/21

8:15 pm-2:21 pm

2 stops19h 06m

$870

RaleighRio de Janeiro

RDU - SDU

RDUSDU

Raleigh-Durham

Wed 5/6

7:25 am-1:10 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Sun 5/10

1:55 pm-8:51 pm

2 stops31h 56m

$917

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 21h 37m. 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.

Alternative routes for Raleigh to Santos Dumont

See prices for flight routes from nearby airports that may be better suited for you.
Raleigh to Rio de Janeiro–Galeão Intl flights

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.