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Rio de Janeiro

$1,138+ Cheap flights from St. Louis (STL) to Rio de Janeiro, Brazil (RIO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RIO
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from St. Louis to Rio de Janeiro

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Rio de Janeiro (RIO). 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$863
(GOL)

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

Cheapest flights from St. Louis to Rio de Janeiro
Explore the most affordable flight options available from St. Louis to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

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 American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:04 pmSTL - GIG
2 stops16h 21mAmerican Airlines
Wed 12/2411:55 pmGIG - STL
2 stops16h 19mAmerican Airlines
Deal found 10/27$1,177
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:05 amSTL - GIG
2 stops20h 20mDelta
Wed 12/249:30 pmGIG - STL
1 stop17h 54mDelta
Deal found 10/27$1,190
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:30 amSTL - GIG
2 stops17h 55mDelta
Mon 12/299:30 pmGIG - STL
1 stop14h 28mDelta
Deal found 10/27$1,226
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Thu 12/112:47 pmSTL - GIG
3 stops28h 58mMultiple Airlines
Mon 12/297:30 amGIG - STL
3 stops30h 26mMultiple Airlines
Deal found 10/27$1,227
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:43 pmSTL - GIG
2 stops17h 32mAmerican Airlines
Sun 12/2810:30 pmGIG - STL
1 stop23h 52mAmerican Airlines
Deal found 10/27$1,249
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:30 amSTL - GIG
2 stops18h 00mLATAM Airlines
Mon 12/293:10 pmGIG - STL
2 stops20h 48mLATAM Airlines
Deal found 10/27$1,250
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:45 pmSTL - GIG
1 stop13h 50mUnited Airlines
Wed 12/249:55 pmGIG - STL
1 stop14h 54mUnited Airlines
Deal found 10/27$1,269
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:15 amSTL - GIG
1 stop24h 20mUnited Airlines
Sun 12/289:55 pmGIG - STL
1 stop14h 54mUnited Airlines
Deal found 10/27$1,275
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Thu 12/1811:51 amSTL - GIG
3 stops33h 49mMultiple Airlines
Fri 1/912:40 pmGIG - STL
3 stops28h 13mMultiple Airlines
Deal found 10/27$1,276
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 11/208:20 amSTL - SDU
2 stops29h 20mUnited Airlines
Wed 12/31:45 pmSDU - STL
2 stops25h 30mUnited Airlines
Deal found 10/28$1,372

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 29, 2025.
Use the filters below to find and compare flights from St. Louis to Rio de Janeiro that are best for you.

Fly from

St. Louis

Fly to

Rio de Janeiro

Route

Depart

Return

Price

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 11/20

11:07 am-9:25 am

1 stop19h 18m

Rio de Janeiro–Galeão Intl

Wed 12/3

10:30 pm-11:59 pm

2 stops28h 29m

$1,138

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 11/20

6:00 am-8:20 am

1 stop23h 20m

Rio de Janeiro–Galeão Intl

Wed 12/3

9:30 pm-8:24 am

1 stop13h 54m

$1,167

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 12/8

7:05 am-6:25 am

2 stops20h 20m

Rio de Janeiro–Galeão Intl

Wed 12/24

9:30 pm-12:24 pm

1 stop17h 54m

$1,190

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 12/11

9:30 am-8:20 am

1 stop19h 50m

Rio de Janeiro–Galeão Intl

Mon 12/29

9:30 pm-12:21 pm

1 stop17h 51m

$1,226

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 12/11

2:47 pm-10:45 pm

3 stops28h 58m

Rio de Janeiro–Galeão Intl

Mon 12/29

7:30 am-10:56 am

3 stops30h 26m

$1,227

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 12/10

1:43 pm-10:15 am

2 stops17h 32m

Rio de Janeiro–Galeão Intl

Sun 12/28

10:30 pm-7:22 pm

1 stop23h 52m

$1,249

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 12/10

6:15 am-9:35 am

1 stop24h 20m

Rio de Janeiro–Galeão Intl

Sun 12/28

9:55 pm-9:49 am

1 stop14h 54m

$1,275

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 12/18

11:51 am-12:40 am

3 stops33h 49m

Rio de Janeiro–Galeão Intl

Fri 1/9

12:40 pm-1:53 pm

3 stops28h 13m

$1,276

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Thu 11/20

8:20 am-4:40 pm

2 stops29h 20m

Rio de Janeiro Santos Dumont

Wed 12/3

1:45 pm-12:15 pm

2 stops25h 30m

$1,372

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 12/8

4:05 pm-4:35 pm

2 stops21h 30m

Rio de Janeiro Santos Dumont

Wed 12/24

11:20 am-3:29 pm

2 stops31h 09m

$1,668

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 19 results
1
2

Compare providers for flights from St. Louis to Rio de Janeiro

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 St. Louis to Rio de Janeiro in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 St. Louis-Rio de Janeiro flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Rio de Janeiro flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Rio de Janeiro flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Rio de Janeiro flights, Cheapflights users trust eDreams the most. eDreams 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 St. Louis-Rio de Janeiro 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 St. Louis to Rio de Janeiro

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro from St. Louis 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 St. Louis to Rio de Janeiro

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

Find hourly flight availability from St. Louis 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 29, 2025.

When flying from St. Louis to Rio de Janeiro, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 19% versus a flight in the afternoon.

Reviews of airlines servicing Rio de Janeiro

Get insights into the airlines that provide service to Rio de Janeiro. 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 Rio de Janeiro. Reviews last updated October 29, 2025.
See what other customers who have flown with Delta, LATAM Airlines, and United Airlines from St. Louis to Rio de Janeiro have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,993 reviews

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
LATAM Airlines
7.5
Good
1,871 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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.

  • What airport do you fly from for flights from St. Louis to Rio de Janeiro?

    If you book a flight to Rio de Janeiro from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Rio de Janeiro per day from 1 airline.

  • How long is the flight from St. Louis to Rio de Janeiro?

    Airlines like GOL, LATAM Airlines, and Delta fly from St. Louis to Rio de Janeiro in about 19h 18m. The time it takes to get you to your destination can typically vary by up to 4h 02m. The distance from St. Louis to Rio de Janeiro is about 5229 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from St. Louis to Rio de Janeiro round-trip?

    Flying on Delta is currently your cheapest option to Rio de Janeiro, with prices starting at $711. Delta is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from St. Louis 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 St. Louis to Rio de Janeiro.

  • Can I find deals for business class flights from St. Louis to Rio de Janeiro?

    Yes. Cheapflights offers flight deals from St. Louis 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Rio de Janeiro

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Rio de Janeiro–Galeão Intl flights
St. Louis to Rio de Janeiro–Galeão Intl flights
St. Louis to Santos Dumont flights
Kansas City to Santos Dumont flights

Top airline flying from St. Louis to Rio de Janeiro

Discover the top airline that operate flights from St. Louis 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$711Average$1,247FlexibilityNo cancel feeOn-timeN/A

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