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Rio de Janeiro

$749+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RIO
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$749
(Gotogate)

Popular in

December

Cheapest in

February

Average price

$1,164
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 Lambert-St Louis to Rio de Janeiro (RIO)
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/17:30 amSTL - GIG
2 stops29h 35mMultiple Airlines
Tue 6/173:55 pmGIG - STL
2 stops22h 41mMultiple Airlines
Deal found 4/28$749
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/117:30 amSTL - GIG
2 stops29h 35mAir Canada
Mon 6/235:00 pmGIG - STL
2 stops21h 36mAir Canada
Deal found 4/28$778
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:30 amSTL - SDU
2 stops30h 20mAir Canada
Sat 5/311:05 pmSDU - STL
2 stops25h 31mAir Canada
Deal found 4/29$886
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/156:12 pmSTL - SDU
3 stops38h 28mMultiple Airlines
Tue 6/171:00 pmSDU - STL
2 stops25h 36mMultiple Airlines
Deal found 4/29$921
This Copa Airlines deal was found by Cheapflights users on 4/28. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:10 amSTL - GIG
2 stops21h 50mCopa Airlines
Fri 9/55:05 amGIG - STL
2 stops30h 57mCopa Airlines
Deal found 4/28$1,008
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:34 pmSTL - GIG
2 stops16h 56mGOL
Sun 11/166:00 amGIG - STL
2 stops20h 01mGOL
Deal found 4/28$1,060
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 7/36:00 amSTL - GIG
2 stops22h 10mDelta
Sat 8/99:00 pmGIG - STL
1 stop21h 18mDelta
Deal found 4/28$1,068
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 11/79:39 amSTL - GIG
2 stops17h 36mAmerican Airlines
Sun 11/1611:55 pmGIG - STL
1 stop18h 44mAmerican Airlines
Deal found 4/28$1,101
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 6/16:15 amSTL - GIG
1 stop24h 00mUnited Airlines
Tue 6/179:05 pmGIG - STL
1 stop15h 34mUnited Airlines
Deal found 4/28$1,108
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/233:30 pmSTL - SDU
2 stops20h 30mLATAM Airlines
Mon 10/278:20 pmSDU - STL
2 stops16h 20mLATAM Airlines
Deal found 4/29$1,125
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/308:00 amSTL - SDU
2 stops29h 50mUnited Airlines
Wed 8/61:00 pmSDU - STL
2 stops28h 47mUnited Airlines
Deal found 4/29$1,182
This KAYAK deal was found by Cheapflights users on 4/28. 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.
Wed 6/251:30 pmSTL - GIG
1 stop18h 45mLATAM Airlines
Wed 7/97:00 amGIG - STL
2 stops18h 53mLATAM Airlines
Deal found 4/28$1,182

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 April 30, 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 6/1

7:30 am-3:05 pm

2 stops29h 35m

Rio de Janeiro–Galeão Intl

Tue 6/17

3:55 pm-12:36 pm

2 stops22h 41m

$749

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 6/11

7:30 am-3:05 pm

2 stops29h 35m

Rio de Janeiro–Galeão Intl

Mon 6/23

5:00 pm-12:36 pm

2 stops21h 36m

$778

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Tue 5/20

7:30 am-3:50 pm

2 stops30h 20m

Rio de Janeiro Santos Dumont

Sat 5/31

1:05 pm-12:36 pm

2 stops25h 31m

$886

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Sun 6/15

6:12 pm-10:40 am

3 stops38h 28m

Rio de Janeiro Santos Dumont

Tue 6/17

1:00 pm-12:36 pm

2 stops25h 36m

$921

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 7/3

6:00 am-6:10 am

2 stops22h 10m

Rio de Janeiro–Galeão Intl

Sat 8/9

9:00 pm-4:18 pm

1 stop21h 18m

$1,068

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sun 6/1

6:15 am-8:15 am

1 stop24h 00m

Rio de Janeiro–Galeão Intl

Tue 6/17

9:05 pm-10:39 am

1 stop15h 34m

$1,108

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Thu 10/23

3:30 pm-2:00 pm

2 stops20h 30m

Rio de Janeiro Santos Dumont

Mon 10/27

8:20 pm-10:40 am

2 stops16h 20m

$1,125

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Wed 7/30

8:00 am-3:50 pm

2 stops29h 50m

Rio de Janeiro Santos Dumont

Wed 8/6

1:00 pm-3:47 pm

2 stops28h 47m

$1,182

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 6/25

1:30 pm-10:15 am

1 stop18h 45m

Rio de Janeiro–Galeão Intl

Wed 7/9

7:00 am-11:53 pm

2 stops18h 53m

$1,182

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 7/3

8:00 am-8:00 am

2 stops22h 00m

Rio de Janeiro–Galeão Intl

Fri 8/8

1:29 am-7:31 pm

2 stops20h 02m

$1,252

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 12 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Rio de Janeiro flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 30, 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 April 30, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from St. Louis to Rio de Janeiro by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,411 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 2 different airlines.

  • 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 $778. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $1,068 and $1,108, respectively. Air Canada is priced at 29% 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

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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 2 airlines flying from St. Louis to Rio de Janeiro

Discover the top 2 airlines 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$697Average$1,176FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$717Average$847FlexibilityNo cancel feeOn-time71%

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