Rio de Janeiro

$334+ Cheap flights from Missouri to Rio de Janeiro, Brazil (RIO)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RIO
Nov 29 — Dec 61
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Find flight deals from Missouri to Rio de Janeiro

Cheapest flights from Missouri to Rio de Janeiro
Explore the most affordable flight options available from Missouri to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/28. 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 12/43:47 pmMCI - SDU
3 stops26h 23mMultiple Airlines
Sun 12/76:15 amSDU - MCI
2 stops20h 00mMultiple Airlines
Deal found 10/28$935
This Mytrip deal was found by Cheapflights users on 10/28. 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 12/43:47 pmMCI - GIG
3 stops29h 48mMultiple Airlines
Sun 12/76:10 amGIG - MCI
2 stops20h 05mMultiple Airlines
Deal found 10/28$972
This KAYAK deal was found by Cheapflights users on 10/28. 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 12/2312:48 pmMCI - GIG
2 stops22h 22mLATAM Airlines
Wed 12/3112:40 pmGIG - MCI
2 stops24h 12mLATAM Airlines
Deal found 10/28$1,082
This Ovago deal was found by Cheapflights users on 10/28. 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 11/2011:07 amSTL - GIG
1 stop19h 18mGOL
Wed 12/310:30 pmGIG - STL
2 stops28h 29mGOL
Deal found 10/28$1,138
This CrystalTravel deal was found by Cheapflights users on 10/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amSTL - GIG
1 stop23h 20mLATAM Airlines
Wed 12/39:30 pmGIG - STL
1 stop13h 54mLATAM Airlines
Deal found 10/28$1,167
This Ovago deal was found by Cheapflights users on 10/29. 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.
Sat 11/112:21 pmSTL - GIG
2 stops24h 54mGOL
Thu 11/66:25 amGIG - STL
2 stops19h 02mGOL
Deal found 10/29$1,226
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:35 pmSTL - GIG
2 stops23h 55mLATAM Airlines
Sat 12/209:30 pmGIG - STL
1 stop14h 28mLATAM Airlines
Deal found 10/29$1,256
This Delta deal was found by Cheapflights users on 10/28. 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.
Tue 12/2310:40 amMCI - GIG
1 stop20h 35mDelta
Wed 12/313:10 pmGIG - MCI
2 stops21h 42mDelta
Deal found 10/28$1,260
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amMCI - GIG
1 stop23h 20mAmerican Airlines
Tue 1/137:20 pmGIG - MCI
2 stops18h 40mAmerican Airlines
Deal found 10/28$1,330
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:05 amMCI - GIG
1 stop22h 10mAmerican Airlines
Sun 12/77:05 pmGIG - MCI
2 stops19h 22mAmerican Airlines
Deal found 10/28$1,347
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/48:08 amMCI - GIG
1 stop22h 27mUnited Airlines
Sun 12/79:55 pmGIG - MCI
1 stop21h 43mUnited Airlines
Deal found 10/28$1,380
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:14 pmSTL - GIG
1 stop14h 06mMultiple Airlines
Tue 12/21:30 amGIG - STL
2 stops24h 03mMultiple Airlines
Deal found 10/28$1,421

Cheap flight deals from Missouri to Rio de Janeiro

Keep the following information in mind while searching for Missouri to Rio de Janeiro flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$769
(Air Canada)

One-way from

$334
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,079
Provider with most accurate pricing for Lambert-St Louis-Rio de Janeiro (RIO) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Rio de Janeiro (RIO) flights.
From Missouri to Rio de Janeiro (RIO)
One-way flight from Missouri to Rio de Janeiro (RIO)
Highest demand for flights based on searches. 10% potential increase in price ($122 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($63 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Rio de Janeiro 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 October 30, 2025.
Use the filters below to find and compare flights from Missouri to Rio de Janeiro that are best for you.

Fly from

Missouri

Fly to

Rio de Janeiro

Route

Depart

Return

Price

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 3/5

4:05 pm-12:05 pm

1 stop17h 00m

Rio de Janeiro–Galeão Intl

Wed 3/18

8:00 pm-3:29 pm

1 stop21h 29m

$769

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 3/3

4:05 pm-7:10 pm

2 stops24h 05m

Rio de Janeiro–Galeão Intl

Thu 3/19

3:55 pm-3:29 pm

2 stops25h 34m

$781

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Tue 3/3

4:05 pm-2:20 pm

2 stops19h 15m

Rio de Janeiro Santos Dumont

Tue 3/17

11:25 am-3:29 pm

2 stops30h 04m

$786

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Tue 3/3

4:05 pm-2:20 pm

2 stops19h 15m

Rio de Janeiro Santos Dumont

Thu 3/19

11:25 am-3:29 pm

2 stops30h 04m

$786

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 3/2

4:05 pm-2:20 pm

2 stops19h 15m

Rio de Janeiro Santos Dumont

Tue 3/17

11:25 am-3:29 pm

2 stops30h 04m

$786

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 3/2

4:05 pm-2:20 pm

2 stops19h 15m

Rio de Janeiro Santos Dumont

Thu 3/19

11:25 am-3:29 pm

2 stops30h 04m

$786

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Wed 3/4

11:19 am-2:10 pm

2 stops23h 51m

Rio de Janeiro Santos Dumont

Wed 3/18

6:00 am-11:37 pm

2 stops19h 37m

$844

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 3/2

4:05 pm-3:10 pm

2 stops20h 05m

Rio de Janeiro–Galeão Intl

Wed 3/18

8:00 pm-3:29 pm

1 stop21h 29m

$850

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 3/2

4:05 pm-3:10 pm

2 stops20h 05m

Rio de Janeiro–Galeão Intl

Thu 3/19

3:55 pm-3:29 pm

2 stops25h 34m

$856

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 3/3

4:05 pm-7:10 pm

2 stops24h 05m

Rio de Janeiro–Galeão Intl

Wed 3/18

3:55 pm-3:29 pm

2 stops25h 34m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 46 results
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Best time to book a flight from Missouri to Rio de Janeiro

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro 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

What is the cheapest time of day to fly from MO to RIO?

Find hourly flight availability from Missouri to Rio de Janeiro. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from Missouri to Rio de Janeiro is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 20% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Rio de Janeiro. 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?

    There are many flights that can get you from Missouri to Rio de Janeiro in 13h 08m. Fly via Air Canada, GOL, or LATAM Airlines to get the fastest option. The distance between Missouri and Rio de Janeiro is about 5422 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Missouri to Rio de Janeiro?

  • Can I find deals for flights from Missouri to Rio de Janeiro that include hotel bookings?

    Yes. In addition to deals on Missouri to Rio de Janeiro flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Rio de Janeiro?

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

  • Can I find deals for business class flights from Missouri to Rio de Janeiro?

    Yes. Cheapflights offers flight deals from Missouri to Rio de Janeiro 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 Rio de Janeiro

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Missouri to Rio de Janeiro

Discover the top 2 airlines that operate flights from Missouri to Rio de Janeiro. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$711Average$1,247FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$737Average$953FlexibilityNo cancel feeOn-time71%

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