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Santos Dumont

$342+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SDU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$810
(Gotogate)

One-way from

$342
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$1,363
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. 22% potential increase in price ($326 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This Gotogate deal was found by Cheapflights users on 7/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:15 amSTL - SDU
2 stops27h 05mMultiple Airlines
Tue 9/233:45 pmSDU - STL
2 stops25h 33mMultiple Airlines
Deal found 7/3$810
This Priceline deal was found by Cheapflights users on 7/3. 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.
Thu 11/204:05 pmSTL - SDU
2 stops19h 15mAir Canada
Tue 11/2511:25 amSDU - STL
2 stops31h 04mAir Canada
Deal found 7/3$1,182
This Justfly.com deal was found by Cheapflights users on 6/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:26 pmSTL - SDU
2 stops18h 09mLATAM Airlines
Mon 9/88:20 pmSDU - STL
2 stops18h 11mLATAM Airlines
Deal found 6/30$1,218
This FlightHub deal was found by Cheapflights users on 7/2. 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 8/282:14 pmMCI - SDU
2 stops17h 21mLATAM Airlines
Tue 9/28:20 pmSDU - MCI
2 stops16h 46mLATAM Airlines
Deal found 7/2$1,322
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 7/126:27 pmMCI - SDU
2 stops17h 53mUnited Airlines
Sun 8/243:00 pmSDU - MCI
2 stops25h 13mUnited Airlines
Deal found 7/1$1,778
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 7/199:56 amMCI - SDU
2 stops25h 39mDelta
Sat 7/268:20 pmSDU - MCI
2 stops16h 39mDelta
Deal found 7/3$4,816
This Delta deal was found by Cheapflights users on 7/2. 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 8/2810:20 amSTL - SDU
2 stops21h 15mDelta
Thu 9/118:20 pmSDU - STL
2 stops18h 11mDelta
Deal found 7/2$5,621

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 July 3, 2025.
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

Thu 9/18

9:15 am-2:20 pm

2 stops27h 05m

Rio de Janeiro Santos Dumont

Tue 9/23

3:45 pm-3:18 pm

2 stops25h 33m

$810

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 9/1

1:26 pm-9:35 am

2 stops18h 09m

Rio de Janeiro Santos Dumont

Mon 9/8

8:20 pm-12:31 pm

2 stops18h 11m

$1,218

Kansas CityRio de Janeiro

MCI - SDU

MCISDU

Kansas City

Thu 8/28

2:14 pm-9:35 am

2 stops17h 21m

Rio de Janeiro Santos Dumont

Tue 9/2

8:20 pm-11:06 am

2 stops16h 46m

$1,322

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 7/7

9:15 am-2:20 pm

2 stops27h 05m

Rio de Janeiro Santos Dumont

Mon 7/14

7:55 am-8:50 pm

2 stops38h 55m

$1,718

Kansas CityRio de Janeiro

MCI - SDU

MCISDU

Kansas City

Sat 12/27

3:22 pm-5:45 pm

2 stops23h 23m

Rio de Janeiro Santos Dumont

Sun 1/4

3:00 pm-11:50 am

2 stops23h 50m

$2,277

Kansas CityRio de Janeiro

MCI - SDU

MCISDU

Kansas City

Sat 7/19

9:56 am-1:35 pm

2 stops25h 39m

Rio de Janeiro Santos Dumont

Sat 7/26

8:20 pm-10:59 am

2 stops16h 39m

$4,816

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Thu 8/28

10:20 am-9:35 am

2 stops21h 15m

Rio de Janeiro Santos Dumont

Thu 9/11

8:20 pm-12:31 pm

2 stops18h 11m

$5,621

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 9/1

3:16 pm-9:35 am

3 stops40h 19m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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.

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 July 3, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines, and United Airlines from Missouri to Rio de Janeiro Santos Dumont Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,805 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,678 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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.

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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.
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San Francisco to Santos Dumont flights
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Midway to Rio de Janeiro–Galeão Intl flights
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Kansas City to Rio de Janeiro–Galeão Intl flights
Seattle to Santos Dumont flights
Sky Harbor Intl to Rio de Janeiro–Galeão Intl flights
Philadelphia to Rio de Janeiro–Galeão Intl flights
Denver to Rio de Janeiro–Galeão Intl flights
Raleigh to Rio de Janeiro–Galeão Intl flights
Austin to Rio de Janeiro–Galeão Intl flights
Sky Harbor Intl to Santos Dumont flights
Tampa to Santos Dumont flights
Philadelphia to Santos Dumont flights

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