HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santos Dumont

$347+ Cheap flights from New Orleans (MSY) 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.
MSY — SDU
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Orleans 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 New Orleans to Santos Dumont

Cheapest flights from New Orleans to Santos Dumont
Explore the most affordable flight options available from New Orleans to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Mytrip deal was found by Cheapflights users on 1/25. 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.
Thu 3/127:20 pm
MSY
-
SDU
2 stops25h 05m
Multiple Airlines
Thu 3/198:15 am
SDU
-
MSY
3 stops36h 46m
Multiple Airlines
Deal found 1/25$694
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:27 pm
MSY
-
SDU
2 stops33h 38m
Multiple Airlines
Sun 3/228:30 am
SDU
-
MSY
3 stops40h 49m
Multiple Airlines
Deal found 1/27$716
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/207:20 pm
MSY
-
SDU
2 stops25h 05m
Multiple Airlines
Mon 3/303:15 pm
SDU
-
MSY
2 stops29h 46m
Multiple Airlines
Deal found 1/27$727
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:54 pm
MSY
-
SDU
2 stops33h 11m
Multiple Airlines
Sat 5/3010:05 am
SDU
-
MSY
2 stops25h 10m
Multiple Airlines
Deal found 1/27$758
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:30 pm
MSY
-
SDU
2 stops47h 45m
Multiple Airlines
Tue 3/2411:25 am
SDU
-
MSY
2 stops35h 57m
Multiple Airlines
Deal found 1/26$812
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:20 pm
MSY
-
SDU
2 stops25h 05m
Multiple Airlines
Fri 3/206:20 am
SDU
-
MSY
3 stops18h 59m
Multiple Airlines
Deal found 1/27$891

Find flight deals from New Orleans to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from New Orleans (MSY) 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$694
(Mytrip)

One-way from

$347
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$698
Provider with most accurate pricing for New Orleans Louis Armstrong-Rio de Janeiro (RIO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Rio de Janeiro (RIO) flights.
Search Deals
From New Orleans Louis Armstrong to Rio de Janeiro Santos Dumont
Search Deals
One-way flight from New Orleans Louis Armstrong to Rio de Janeiro Santos Dumont
Search Deals
Highest demand for flights based on searches. 36% potential increase in price ($822 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 21% potential price decrease ($254 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 New Orleans 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 27, 2026.
Use the filters below to find and compare flights from New Orleans to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

New Orleans

Fly to

Santos Dumont

Route

Depart

Return

Price

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Thu 3/12

7:20 pm-10:25 pm

2 stops25h 05m

Rio de Janeiro Santos Dumont

Thu 3/19

8:15 am-7:01 pm

3 stops36h 46m

$694

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Mon 3/9

7:27 pm-7:05 am

2 stops33h 38m

Rio de Janeiro Santos Dumont

Sun 3/22

8:30 am-11:19 pm

3 stops40h 49m

$716

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Fri 3/20

8:01 pm-10:25 pm

3 stops24h 24m

Rio de Janeiro Santos Dumont

Mon 3/30

10:45 am-7:01 pm

2 stops34h 16m

$727

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Sat 5/23

7:54 pm-7:05 am

2 stops33h 11m

Rio de Janeiro Santos Dumont

Sat 5/30

10:05 am-9:15 am

2 stops25h 10m

$758

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Wed 3/18

4:30 pm-7:05 am

2 stops36h 35m

Rio de Janeiro Santos Dumont

Tue 3/24

5:25 pm-9:22 pm

2 stops29h 57m

$812

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Fri 3/13

7:20 pm-10:25 pm

2 stops25h 05m

Rio de Janeiro Santos Dumont

Fri 3/20

6:20 am-11:19 pm

3 stops18h 59m

$891

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Mon 6/1

7:54 pm-10:25 pm

2 stops24h 31m

Rio de Janeiro Santos Dumont

Sat 6/20

5:30 pm-10:50 am

3 stops43h 20m

$916

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Sat 2/14

4:31 pm-10:25 pm

2 stops26h 54m

Rio de Janeiro Santos Dumont

Sun 2/22

7:00 pm-9:12 pm

2 stops29h 12m

$989

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Tue 5/12

7:54 pm-10:25 pm

2 stops24h 31m

$347

New OrleansRio de Janeiro

MSY - SDU

MSYSDU

New Orleans Louis Armstrong

Sun 4/26

7:22 pm-1:10 pm

2 stops39h 48m

$1,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from New Orleans to Santos Dumont

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

    Most people fly from New Orleans Louis Armstrong (MSY) if they book a flight from New Orleans to Rio de Janeiro Santos Dumont. On average, Louis Armstrong has 0 outbound flights to Rio de Janeiro Santos Dumont per day from 0 airlines. New Orleans Louis Armstrong is conveniently located just 11.4 mi from New Orleans’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New Orleans 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 New Orleans to Santos Dumont

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