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Santos Dumont

$510+ Cheap flights from Missouri 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SDU
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
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Cheap flight deals from Missouri to Santos Dumont

Keep the following information in mind while searching for Missouri to Santos Dumont flight deals. Data was last updated January 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,224
(GOL)

One-way from

$510
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,053
Provider with most accurate pricing for Lambert-St Louis-Rio de Janeiro (RIO) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Rio de Janeiro (RIO) flights.
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From Missouri to Rio de Janeiro Santos Dumont
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One-way flight from Missouri to Rio de Janeiro Santos Dumont
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Highest demand for flights based on searches. 12% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Missouri to Santos Dumont

Cheapest flights from Missouri to Santos Dumont
Explore the most affordable flight options available from Missouri to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

This FlightHub deal was found by Cheapflights users on 1/17. 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 10/1512:04 pm
MCI
-
SDU
2 stops18h 31m
LATAM Airlines
Thu 10/228:15 pm
SDU
-
MCI
2 stops16h 54m
LATAM Airlines
Deal found 1/17$1,180
This GOL deal was found by Cheapflights users on 1/17. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:22 am
STL
-
SDU
2 stops20h 23m
GOL
Tue 3/108:25 pm
SDU
-
STL
2 stops29h 33m
GOL
Deal found 1/17$1,224
This Orbitz deal was found by Cheapflights users on 1/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:05 pm
STL
-
SDU
2 stops23h 40m
Multiple Airlines
Mon 10/261:55 pm
SDU
-
STL
2 stops22h 53m
Multiple Airlines
Deal found 1/17$1,240
This KAYAK deal was found by Cheapflights users on 1/16. 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.
Wed 4/111:30 am
MCI
-
SDU
2 stops27h 15m
Multiple Airlines
Thu 4/91:45 pm
SDU
-
MCI
2 stops26h 40m
Multiple Airlines
Deal found 1/16$1,242
This FlightHub deal was found by Cheapflights users on 1/17. 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.
Mon 2/1611:22 am
STL
-
SDU
2 stops32h 03m
GOL
Mon 2/236:00 am
SDU
-
STL
2 stops20h 56m
GOL
Deal found 1/17$1,275
This United Airlines deal was found by Cheapflights users on 1/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:10 am
STL
-
SDU
2 stops29h 35m
United Airlines
Sun 4/122:50 pm
SDU
-
STL
2 stops32h 18m
United Airlines
Deal found 1/17$1,325
This Air Canada deal was found by Cheapflights users on 1/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/214:05 pm
STL
-
SDU
2 stops23h 40m
Multiple Airlines
Thu 3/261:50 pm
SDU
-
STL
2 stops27h 39m
Multiple Airlines
Deal found 1/18$1,372
This Priceline deal was found by Cheapflights users on 1/18. 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 10/169:59 am
MCI
-
SDU
2 stops30h 01m
LATAM Airlines
Thu 10/227:10 am
SDU
-
MCI
2 stops36h 44m
LATAM Airlines
Deal found 1/18$1,375
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:30 pm
MCI
-
SDU
2 stops18h 05m
United Airlines
Sat 2/285:30 pm
SDU
-
MCI
2 stops19h 02m
United Airlines
Deal found 1/16$1,460
This Gurufare deal was found by Cheapflights users on 1/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/286:02 pm
STL
-
SDU
2 stops25h 23m
GOL
Thu 2/56:00 am
SDU
-
STL
2 stops20h 59m
GOL
Deal found 1/18$1,503
This KAYAK deal was found by Cheapflights users on 1/18. 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.
Tue 2/36:02 pm
STL
-
SDU
2 stops25h 23m
GOL
Sun 2/86:00 am
SDU
-
STL
2 stops20h 59m
GOL
Deal found 1/18$1,607
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/138:00 am
MCI
-
SDU
2 stops27h 35m
United Airlines
Sun 2/222:50 pm
SDU
-
MCI
2 stops32h 16m
United Airlines
Deal found 1/16$1,610

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 18, 2026.
Use the filters below to find and compare flights from Missouri to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Missouri

Fly to

Santos Dumont

Route

Depart

Return

Price

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Tue 3/3

11:22 am-10:45 am

2 stops20h 23m

Rio de Janeiro Santos Dumont

Tue 3/10

8:25 pm-11:58 pm

2 stops29h 33m

$1,224

Kansas CityRio de Janeiro

MCI - SDU

MCISDU

Kansas City

Wed 4/1

11:30 am-4:45 pm

2 stops27h 15m

Rio de Janeiro Santos Dumont

Thu 4/9

1:45 pm-2:25 pm

2 stops26h 40m

$1,242

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 2/16

11:22 am-10:25 pm

2 stops32h 03m

Rio de Janeiro Santos Dumont

Mon 2/23

6:00 am-11:56 pm

2 stops20h 56m

$1,275

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Thu 4/9

9:10 am-4:45 pm

2 stops29h 35m

Rio de Janeiro Santos Dumont

Sun 4/12

2:50 pm-9:08 pm

2 stops32h 18m

$1,325

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Sat 3/21

4:05 pm-5:45 pm

2 stops23h 40m

Rio de Janeiro Santos Dumont

Thu 3/26

1:50 pm-3:29 pm

2 stops27h 39m

$1,372

Kansas CityRio de Janeiro

MCI - SDU

MCISDU

Kansas City

Fri 2/20

5:30 pm-2:35 pm

2 stops18h 05m

Rio de Janeiro Santos Dumont

Sat 2/28

5:30 pm-9:32 am

2 stops19h 02m

$1,460

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Wed 1/28

6:02 pm-10:25 pm

2 stops25h 23m

Rio de Janeiro Santos Dumont

Thu 2/5

6:00 am-11:59 pm

2 stops20h 59m

$1,503

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Tue 2/3

6:02 pm-10:25 pm

2 stops25h 23m

Rio de Janeiro Santos Dumont

Sun 2/8

6:00 am-11:59 pm

2 stops20h 59m

$1,607

Kansas CityRio de Janeiro

MCI - SDU

MCISDU

Kansas City

Fri 2/13

8:00 am-2:35 pm

2 stops27h 35m

Rio de Janeiro Santos Dumont

Sun 2/22

2:50 pm-8:06 pm

2 stops32h 16m

$1,610

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 7/6

8:55 am-4:45 pm

2 stops29h 50m

Rio de Janeiro Santos Dumont

Mon 7/13

1:45 pm-2:02 pm

2 stops26h 17m

$1,642

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 22 results
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Best time to book a flight from Missouri to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Missouri 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 Missouri to Rio de Janeiro Santos Dumont Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Santos Dumont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    GOL and United Airlines can get you from Missouri to Rio de Janeiro Santos Dumont Airport in just under 20h 23m. Your travel time can differ by up to 9h 12m. The distance from Missouri to Rio de Janeiro Santos Dumont Airport is about 5238 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri 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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Alternative routes for Missouri to Santos Dumont

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Rio de Janeiro–Galeão Intl flights
John F Kennedy Intl to Santos Dumont flights
Miami to Rio de Janeiro–Galeão Intl flights
Newark to Rio de Janeiro–Galeão Intl flights
LaGuardia to Rio de Janeiro–Galeão Intl flights
Newark to Santos Dumont flights
Los Angeles to Rio de Janeiro–Galeão Intl flights
Dulles Intl to Rio de Janeiro–Galeão Intl flights
LaGuardia to Santos Dumont flights
O'Hare Intl to Rio de Janeiro–Galeão Intl flights
Reagan-National to Rio de Janeiro–Galeão Intl flights
Atlanta to Rio de Janeiro–Galeão Intl flights
Los Angeles to Santos Dumont flights
Baltimore to Rio de Janeiro–Galeão Intl flights
Dallas/Fort Worth to Rio de Janeiro–Galeão Intl flights
Miami to Santos Dumont flights
Seattle to Rio de Janeiro–Galeão Intl flights
Hobby to Rio de Janeiro–Galeão Intl flights
O'Hare Intl to Santos Dumont flights
Dulles Intl to Santos Dumont flights
Boston to Rio de Janeiro–Galeão Intl flights
Orlando to Rio de Janeiro–Galeão Intl flights
San Francisco to Rio de Janeiro–Galeão Intl flights
George Bush Intcntl to Rio de Janeiro–Galeão Intl flights
Midway to Rio de Janeiro–Galeão Intl flights
Boston to Santos Dumont flights
Orlando to Santos Dumont flights
Seattle to Santos Dumont flights
Fort Lauderdale to Rio de Janeiro–Galeão Intl flights
San Francisco to Santos Dumont flights
Austin to Rio de Janeiro–Galeão Intl flights
Atlanta to Santos Dumont flights
Fort Lauderdale to Santos Dumont flights
Dallas/Fort Worth to Santos Dumont flights
Austin to Santos Dumont flights
Raleigh to Rio de Janeiro–Galeão Intl flights
Ontario to Rio de Janeiro–Galeão Intl flights
Denver to Rio de Janeiro–Galeão Intl flights
Love Field to Rio de Janeiro–Galeão Intl flights
Raleigh to Santos Dumont flights
Tampa to Rio de Janeiro–Galeão Intl flights
Philadelphia to Santos Dumont flights
Philadelphia to Rio de Janeiro–Galeão Intl flights
Minneapolis to Rio de Janeiro–Galeão Intl flights
Denver to Santos Dumont flights
San Diego to Rio de Janeiro–Galeão Intl flights

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