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Rio de Janeiro

$738+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RIO
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$738
(Gotogate)

Popular in

December

Cheapest in

February

Average price

$1,098
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. 0% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 21, 2025.

This Gotogate deal was found by Cheapflights users on 3/20. 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.
Sun 5/41:30 pmSTL - GIG
2 stops23h 35mMultiple Airlines
Sun 5/119:40 pmGIG - STL
2 stops48h 18mMultiple Airlines
Deal found 3/20$738
This Gotogate deal was found by Cheapflights users on 3/20. 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.
Sun 5/41:30 pmSTL - SDU
2 stops24h 20mMultiple Airlines
Sun 5/111:05 pmSDU - STL
2 stops25h 31mMultiple Airlines
Deal found 3/20$764
This Air Canada deal was found by Cheapflights users on 3/20. 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.
Wed 6/111:30 pmSTL - GIG
2 stops23h 35mAir Canada
Mon 6/235:00 pmGIG - STL
2 stops21h 36mAir Canada
Deal found 3/20$875
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sun 5/46:15 amSTL - GIG
1 stop24h 00mUnited Airlines
Sun 5/119:05 pmGIG - STL
2 stops50h 43mUnited Airlines
Deal found 3/20$990
This LATAM Airlines deal was found by Cheapflights users on 3/20. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/113:30 pmSTL - GIG
2 stops16h 05mLATAM Airlines
Mon 6/239:00 pmGIG - STL
1 stop13h 06mLATAM Airlines
Deal found 3/20$1,073
This Delta deal was found by Cheapflights users on 3/20. 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.
Fri 8/227:05 pmSTL - GIG
1 stop13h 10mDelta
Fri 9/57:00 amGIG - STL
2 stops31h 24mDelta
Deal found 3/20$1,097
This American Airlines deal was found by Cheapflights users on 3/20. 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.
Fri 8/229:35 amSTL - GIG
2 stops20h 45mAmerican Airlines
Fri 9/511:00 pmGIG - STL
2 stops18h 23mAmerican Airlines
Deal found 3/20$1,101
This Copa Airlines deal was found by Cheapflights users on 3/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/118:10 amSTL - GIG
2 stops21h 50mCopa Airlines
Sun 6/221:21 amGIG - STL
2 stops20h 01mCopa Airlines
Deal found 3/20$2,033

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 March 21, 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

Sun 5/4

1:30 pm-3:05 pm

2 stops23h 35m

Rio de Janeiro–Galeão Intl

Sun 5/11

9:40 pm-7:58 pm

2 stops48h 18m

$738

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Sun 5/4

1:30 pm-3:50 pm

2 stops24h 20m

Rio de Janeiro Santos Dumont

Sun 5/11

1:05 pm-12:36 pm

2 stops25h 31m

$764

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 6/11

1:30 pm-3:05 pm

2 stops23h 35m

Rio de Janeiro–Galeão Intl

Mon 6/23

5:00 pm-12:36 pm

2 stops21h 36m

$875

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sun 5/4

6:15 am-8:15 am

1 stop24h 00m

Rio de Janeiro–Galeão Intl

Sun 5/11

9:05 pm-9:48 pm

2 stops50h 43m

$990

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 6/11

3:30 pm-9:35 am

2 stops16h 05m

Rio de Janeiro–Galeão Intl

Mon 6/23

9:00 pm-8:06 am

1 stop13h 06m

$1,073

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Fri 8/22

7:05 pm-10:15 am

1 stop13h 10m

Rio de Janeiro–Galeão Intl

Fri 9/5

7:00 am-12:24 pm

2 stops31h 24m

$1,097

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Fri 8/22

9:35 am-8:20 am

2 stops20h 45m

Rio de Janeiro–Galeão Intl

Fri 9/5

11:00 pm-3:23 pm

2 stops18h 23m

$1,101

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 6/11

8:10 am-8:00 am

2 stops21h 50m

Rio de Janeiro–Galeão Intl

Sun 6/22

1:21 am-7:22 pm

2 stops20h 01m

$2,033

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Rio de Janeiro flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 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 10% versus a flight in the afternoon.

Rainfall in Rio de Janeiro by month

Plan your trip to Rio de Janeiro by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rio de Janeiro ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro when rainfall is around 1.6 in.

Temperature in Rio de Janeiro by month

Plan your trip to Rio de Janeiro by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rio de Janeiro, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

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 March 21, 2025.
Copa Airlines
7.6
Good
1,400 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Comfort

7.4

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
Copa Airlines
7.6
Good
1,400 reviews
Copa Airlines
7.6
Good
1,400 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Comfort

7.4

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
LATAM Airlines
7.5
Good
1,750 reviews
Copa Airlines
7.6
Good
1,400 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Comfort

7.4

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
United Airlines
7.4
Good
8,605 reviews
Copa Airlines
7.6
Good
1,400 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Comfort

7.4

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.6
Good
1,400 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Comfort

7.4

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.
Air Canada
7.0
Good
8,907 reviews
Copa Airlines
7.6
Good
1,400 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.8

Comfort

7.4

Food

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LIM - PTY

you go security buy an expensive bottle of water to take on the plane and then you have to go to another security point where they confiscate your water, the planes left on time and arrived on time. excellent food was mostly tasteless and overheated, no entertainment. wifi was glitchy.

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.

  • What are the cheapest airlines flying from St. Louis to Rio de Janeiro round-trip?

    Flying on Air Canada is currently your cheapest option to Rio de Janeiro, with prices starting at $875. Additional round-trip tickets that might be worth considering are offered by United Airlines and LATAM Airlines, with the lowest prices starting at $990 and $1,073, respectively. Air Canada is priced at 21% 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.

  • What is the cheapest month to book a flight from St. Louis to Rio de Janeiro?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Rio de Janeiro (average of $755). Flying from St. Louis to Rio de Janeiro in December is currently the most expensive (average of $1,290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.
St. Louis to Rio de Janeiro–Galeão Intl flights
Kansas City 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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$717Average$847FlexibilityNo cancel feeOn-time71%
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