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Santos Dumont

$318+ Cheap flights from Atlanta (ATL) 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SDU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Atlanta to Santos Dumont

Cheapest flights from Atlanta to Santos Dumont
Explore the most affordable flight options available from Atlanta to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Trip.com deal was found by Cheapflights users on 12/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:55 amATL - SDU
2 stops24h 50mMultiple Airlines
Tue 3/316:00 amSDU - ATL
2 stops18h 33mMultiple Airlines
Deal found 12/13$1,053
This Mytrip deal was found by Cheapflights users on 12/13. 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 12/309:57 pmATL - SDU
2 stops34h 43mMultiple Airlines
Thu 1/86:10 amSDU - ATL
2 stops19h 15mMultiple Airlines
Deal found 12/13$1,307
This Mytrip deal was found by Cheapflights users on 12/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:57 pmATL - SDU
2 stops34h 43mMultiple Airlines
Thu 1/87:45 amSDU - ATL
2 stops28h 39mMultiple Airlines
Deal found 12/15$1,409
This GOL deal was found by Cheapflights users on 12/13. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:27 pmATL - SDU
2 stops24h 58mGOL
Thu 1/86:00 amSDU - ATL
2 stops17h 47mGOL
Deal found 12/13$1,431
This Cheapflightsfares deal was found by Cheapflights users on 12/13. 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.
Tue 12/3010:05 pmATL - SDU
1 stop16h 55mLATAM Airlines
Thu 1/88:05 pmSDU - ATL
2 stops18h 03mLATAM Airlines
Deal found 12/13$1,528
This Mytrip deal was found by Cheapflights users on 12/13. 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 12/139:57 pmATL - SDU
2 stops34h 43mMultiple Airlines
Mon 1/126:15 amSDU - ATL
2 stops34h 05mMultiple Airlines
Deal found 12/13$1,587
This Mytrip deal was found by Cheapflights users on 12/12. 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 12/269:57 pmATL - SDU
2 stops33h 13mMultiple Airlines
Fri 1/94:50 pmSDU - ATL
3 stops32h 35mMultiple Airlines
Deal found 12/12$1,613
This Ovago deal was found by Cheapflights users on 12/14. 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 12/2511:18 amATL - SDU
2 stops24h 52mGOL
Sun 12/286:00 amSDU - ATL
2 stops17h 35mGOL
Deal found 12/14$1,614
This Cheapflightsfares deal was found by Cheapflights users on 12/14. 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.
Tue 12/302:55 pmATL - SDU
2 stops16h 30mLATAM Airlines
Tue 1/62:00 pmSDU - ATL
2 stops18h 35mLATAM Airlines
Deal found 12/14$1,621

Find flight deals from Atlanta to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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 December 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$630
(FlightHub)

One-way from

$318
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$1,295
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Rio de Janeiro Santos Dumont flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Rio de Janeiro Santos Dumont flights.
Search Deals
From Atlanta Hartsfield-Jackson to Rio de Janeiro Santos Dumont
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Rio de Janeiro Santos Dumont
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta 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 December 15, 2025.
Use the filters below to find and compare flights from Atlanta to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Atlanta

Fly to

Santos Dumont

Route

Depart

Return

Price

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Wed 2/4

8:21 pm-10:25 pm

2 stops24h 04m

Rio de Janeiro Santos Dumont

Sun 2/8

1:20 pm-7:16 pm

2 stops31h 56m

$784

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Thu 1/22

8:21 pm-10:25 pm

2 stops24h 04m

Rio de Janeiro Santos Dumont

Wed 1/28

1:20 pm-10:24 am

2 stops23h 04m

$811

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Tue 2/17

10:04 am-7:35 am

3 stops19h 31m

Rio de Janeiro Santos Dumont

Tue 2/24

5:25 pm-2:20 pm

2 stops22h 55m

$829

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Sun 2/1

6:49 pm-10:25 pm

2 stops25h 36m

Rio de Janeiro Santos Dumont

Sat 2/21

11:35 am-9:15 am

2 stops23h 40m

$855

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Tue 3/10

11:31 am-7:05 am

2 stops42h 34m

Rio de Janeiro Santos Dumont

Tue 3/24

6:50 pm-4:38 pm

2 stops22h 48m

$857

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Sat 2/14

4:24 pm-7:35 pm

2 stops25h 11m

Rio de Janeiro Santos Dumont

Sat 2/21

11:35 am-9:15 am

2 stops23h 40m

$913

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Thu 2/12

4:19 pm-4:55 pm

2 stops22h 36m

Rio de Janeiro Santos Dumont

Sat 2/21

11:35 am-9:15 am

2 stops23h 40m

$913

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Mon 2/2

8:21 pm-10:25 pm

2 stops24h 04m

Rio de Janeiro Santos Dumont

Tue 2/17

9:05 pm-11:28 pm

2 stops28h 23m

$937

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Tue 2/3

11:42 am-10:45 am

2 stops21h 03m

Rio de Janeiro Santos Dumont

Sun 2/8

6:00 am-9:47 pm

2 stops17h 47m

$954

AtlantaRio de Janeiro

ATL - SDU

ATLSDU

Atlanta Hartsfield-Jackson

Tue 2/3

11:42 am-10:45 am

2 stops21h 03m

Rio de Janeiro Santos Dumont

Tue 2/17

5:40 pm-9:23 pm

2 stops29h 43m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 results
1
2

Compare providers for flights from Atlanta to Santos Dumont

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Santos Dumont in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Atlanta-Rio de Janeiro Santos Dumont Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Atlanta-Rio de Janeiro Santos Dumont Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Atlanta-Rio de Janeiro Santos Dumont Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-Rio de Janeiro Santos Dumont Airport flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Rio de Janeiro Santos Dumont Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Atlanta to Santos Dumont

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

What is the cheapest time of day to fly from ATL to SDU?

Find hourly flight availability from Atlanta 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 December 15, 2025.

When flying from Atlanta to Rio de Janeiro Santos Dumont Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 47% versus a flight in the evening.

Reviews of airlines servicing Santos Dumont

Get insights into the airlines that provide service to Santos Dumont. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santos Dumont. Reviews last updated December 15, 2025.
Get a feel of what it's like to fly with Delta from Atlanta to Rio de Janeiro Santos Dumont Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Atlanta 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 Atlanta to Rio de Janeiro Santos Dumont?

    If you book a flight to Rio de Janeiro Santos Dumont from Atlanta, you will be flying from Hartsfield-Jackson, which is the city’s only airport. Atlanta Hartsfield-Jackson (ATL) is located 8.2 mi from the center of Atlanta. There are 0 flights from Hartsfield-Jackson to Rio de Janeiro Santos Dumont per day from 1 airline.

  • How long is the flight from Atlanta to Rio de Janeiro Santos Dumont Airport?

    A quick flight from Atlanta to Rio de Janeiro Santos Dumont Airport can take about 25h 36m. GOL provides one of the quickest options available for as low as $855. Airlines will cover a distance of 4754 mi.

  • What is the cheapest airline to fly from Atlanta to Rio de Janeiro Santos Dumont Airport round-trip?

    Flying on Delta is currently your cheapest option to Rio de Janeiro Santos Dumont Airport, with prices starting at $1,417.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Atlanta 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

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Top airline flying from Atlanta to Santos Dumont

Discover the top airline that operate flights from Atlanta to Santos Dumont. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,417Average$1,677FlexibilityNo cancel feeOn-timeN/A

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