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

Airlines like Air Canada and GOL fly from St. Louis to Rio de Janeiro in about 17h. The time it takes to get you to your destination can typically vary by up to 27h 50m. 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.

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.

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).

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.

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.

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.

$298+ Flights from St. Louis to Rio de Janeiro, Brazil

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Cheap 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 December 12, 2025.

Wed 12/101:00 pmSTL - GIG

2 stops17h 35mUnited Airlines

Tue 11/39:55 pmGIG - STL

1 stop14h 47mUnited Airlines

Deal found 12/10

$1,165

Wed 12/106:42 pmSTL - GIG

2 stops35h 53mUnited Airlines

Wed 12/249:55 pmGIG - STL

2 stops24h 23mUnited Airlines

Deal found 12/10

$1,244

Sat 12/1311:19 amSTL - GIG

1 stop18h 01mMultiple Airlines

Wed 12/2410:25 amGIG - STL

2 stops32h 04mMultiple Airlines

Deal found 12/10

$1,267

Thu 12/114:45 pmSTL - GIG

1 stop13h 50mUnited Airlines

Thu 12/189:55 pmGIG - STL

2 stops19h 31mUnited Airlines

Deal found 12/11

$1,285

Sat 12/131:35 pmSTL - GIG

1 stop15h 45mLATAM Airlines

Wed 12/249:30 pmGIG - STL

1 stop14h 28mLATAM Airlines

Deal found 12/10

$1,297

Sat 12/1311:10 amSTL - GIG

1 stop19h 25mUnited Airlines

Fri 12/269:55 pmGIG - STL

1 stop14h 54mUnited Airlines

Deal found 12/10

$1,309

Sat 12/1311:10 amSTL - GIG

1 stop19h 25mUnited Airlines

Sat 12/279:55 pmGIG - STL

2 stops51h 48mUnited Airlines

Deal found 12/10

$1,332

Mon 12/299:47 amSTL - GIG

2 stops21h 58mLATAM Airlines

Sat 1/310:55 pmGIG - STL

2 stops36h 59mLATAM Airlines

Deal found 12/11

$1,339

Sat 12/135:12 pmSTL - GIG

1 stop12h 08mLATAM Airlines

Mon 12/223:10 pmGIG - STL

2 stops20h 48mLATAM Airlines

Deal found 12/10

$1,342

Sat 12/135:12 pmSTL - GIG

1 stop12h 08mLATAM Airlines

Tue 12/2310:20 amGIG - STL

2 stops25h 38mLATAM Airlines

Deal found 12/10

$1,344

Tue 12/306:00 pmSTL - SDU

2 stops25h 25mGOL

Thu 1/16:00 amSDU - STL

2 stops19h 35mGOL

Deal found 12/11

$1,445

Sat 12/131:35 pmSTL - SDU

2 stops17h 00mLATAM Airlines

Wed 12/248:05 pmSDU - STL

2 stops19h 19mLATAM Airlines

Deal found 12/10

$4,494

Best flights from St. Louis to Rio de Janeiro
Discover carefully curated flight deals from St. Louis to Rio de Janeiro that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sat 3/74:05 pmSTL - GIG

1 stop17h 00mAir Canada

Wed 3/118:00 pmGIG - STL

1 stop21h 29mAir Canada

Deal found 12/10

$769

Fri 4/2410:00 amSTL - SDU

2 stops44h 50mGOL

Mon 4/276:00 amSDU - STL

2 stops17h 35mGOL

Deal found 12/10

$931

Mon 3/93:58 pmSTL - GIG

1 stop13h 22mLATAM Airlines

Tue 3/249:30 pmGIG - STL

1 stop13h 22mLATAM Airlines

Deal found 12/10

$1,013

Sun 2/13:45 pmSTL - GIG

1 stop13h 35mDelta

Sat 2/75:40 pmGIG - STL

2 stops18h 13mDelta

Deal found 12/9

$1,118

Sun 2/16:00 amSTL - GIG

1 stop24h 35mUnited Airlines

Sat 2/79:55 pmGIG - STL

1 stop14h 27mUnited Airlines

Deal found 12/9

$1,118

Wed 3/113:22 pmSTL - SDU

2 stops17h 23mGOL

Thu 3/128:25 pmSDU - STL

2 stops27h 26mGOL

Deal found 12/10

$931

Sat 3/74:05 pmSTL - GIG

1 stop17h 00mAir Canada

Sun 3/88:00 pmGIG - STL

1 stop21h 29mAir Canada

Deal found 12/10

$979

Wed 3/113:22 pmSTL - GIG

2 stops16h 53mGOL

Thu 3/126:10 pmGIG - STL

2 stops29h 41mGOL

Deal found 12/10

$931

Tue 2/245:00 pmSTL - GIG

1 stop12h 20mLATAM Airlines

Tue 3/109:30 pmGIG - STL

1 stop13h 22mLATAM Airlines

Deal found 12/10

$1,032

Tue 2/244:05 pmSTL - GIG

2 stops26h 20mAir Canada

Tue 3/103:55 pmGIG - STL

2 stops25h 34mAir Canada

Deal found 12/11

$996

Tue 3/104:47 pmSTL - GIG

1 stop14h 48mUnited Airlines

Fri 3/138:55 pmGIG - STL

1 stop14h 26mUnited Airlines

Deal found 12/11

$1,118

Sun 3/111:19 amSTL - SDU

2 stops20h 26mGOL

Mon 3/28:25 pmSDU - STL

2 stops28h 40mGOL

Deal found 12/11

$1,108

Sun 3/224:05 pmSTL - SDU

2 stops22h 35mAir Canada

Thu 3/261:45 pmSDU - STL

2 stops27h 44mAir Canada

Deal found 12/10

$1,141

Sun 3/2210:00 amSTL - SDU

2 stops28h 40mUnited Airlines

Thu 3/261:45 pmSDU - STL

2 stops24h 42mUnited Airlines

Deal found 12/9

$1,296

Sun 3/111:19 amSTL - GIG

2 stops19h 56mGOL

Mon 3/26:10 pmGIG - STL

2 stops30h 55mGOL

Deal found 12/11

$1,108

Wed 2/119:57 amSTL - SDU

2 stops25h 33mUnited Airlines

Sun 2/152:50 pmSDU - STL

2 stops33h 10mUnited Airlines

Deal found 12/11

$1,303

Sun 2/19:59 amSTL - SDU

2 stops24h 06mLATAM Airlines

Mon 2/28:05 pmSDU - STL

2 stops39h 48mLATAM Airlines

Deal found 12/10

$1,448

Sat 3/76:34 pmSTL - SDU

2 stops43h 06mUnited Airlines

Sat 3/215:30 pmSDU - STL

2 stops29h 30mUnited Airlines

Deal found 12/10

$1,310

Sat 3/711:00 amSTL - SDU

2 stops20h 45mGOL

Sun 3/88:25 pmSDU - STL

2 stops27h 26mGOL

Deal found 12/10

$1,233

Wed 1/283:11 pmSTL - SDU

2 stops20h 19mUnited Airlines

Sun 2/12:50 pmSDU - STL

2 stops21h 32mUnited Airlines

Deal found 12/11

$1,439

Thu 1/83:37 pmSTL - SDU

2 stops19h 08mGOL

Thu 1/224:35 pmSDU - STL

2 stops19h 16mGOL

Deal found 12/10

$1,334

Tue 12/306:00 pmSTL - SDU

2 stops25h 25mGOL

Thu 1/16:00 amSDU - STL

2 stops19h 35mGOL

Deal found 12/11

$1,445

Last-minute flights from St. Louis to Rio de Janeiro
Discover last-minute flight deals from St. Louis to Rio de Janeiro. Data last updated December 12, 2025 and is based on user searches.

Tue 12/306:00 pmSTL - SDU

2 stops25h 25mGOL

Thu 1/16:00 amSDU - STL

2 stops19h 35mGOL

Deal found 12/11

$1,445

Thu 1/83:45 pmSTL - GIG

1 stop13h 35mLATAM Airlines

Thu 1/229:30 pmGIG - STL

1 stop14h 23mLATAM Airlines

Deal found 12/10

$1,164

Thu 1/83:37 pmSTL - SDU

2 stops19h 08mGOL

Thu 1/224:35 pmSDU - STL

2 stops19h 16mGOL

Deal found 12/10

$1,334

Sat 1/105:00 pmSTL - GIG

1 stop12h 20mLATAM Airlines

Sat 1/249:30 pmGIG - STL

1 stop14h 23mLATAM Airlines

Deal found 12/11

$1,155

Sat 1/105:00 pmSTL - GIG

1 stop12h 20mDelta

Sat 1/179:30 pmGIG - STL

1 stop14h 23mDelta

Deal found 12/11

$1,198

Wed 1/146:00 amSTL - GIG

1 stop23h 20mLATAM Airlines

Fri 1/239:30 pmGIG - STL

1 stop14h 23mLATAM Airlines

Deal found 12/11

$1,162

Wed 1/1410:00 amSTL - SDU

2 stops21h 45mGOL

Fri 1/236:00 amSDU - STL

2 stops20h 59mGOL

Deal found 12/11

$1,528

Mon 1/193:45 pmSTL - GIG

1 stop13h 35mLATAM Airlines

Fri 1/239:30 pmGIG - STL

1 stop14h 23mLATAM Airlines

Deal found 12/10

$1,171

Mon 1/1912:00 pmSTL - SDU

2 stops22h 15mLATAM Airlines

Fri 1/232:00 pmSDU - STL

2 stops32h 27mLATAM Airlines

Deal found 12/10

$1,443

Sat 1/246:00 amSTL - GIG

1 stop24h 35mUnited Airlines

Sat 1/319:55 pmGIG - STL

1 stop20h 57mUnited Airlines

Deal found 12/9

$1,158

Wed 1/285:04 pmSTL - GIG

1 stop12h 16mMultiple Airlines

Sun 2/19:00 pmGIG - STL

1 stop21h 29mMultiple Airlines

Deal found 12/11

$1,152

Wed 1/283:11 pmSTL - SDU

2 stops20h 19mUnited Airlines

Sun 2/12:50 pmSDU - STL

2 stops21h 32mUnited Airlines

Deal found 12/11

$1,439

One-way flights from St. Louis to Rio de Janeiro
Search for one-way flight options from St. Louis to Rio de Janeiro. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Mon 3/23:49 pmSTL - GIG

2 stops37h 31mMultiple Airlines

Deal found 12/10

$298

Mon 3/23:49 pmSTL - SDU

3 stops40h 31mMultiple Airlines

Deal found 12/10

$310

Sun 1/115:11 pmSTL - GIG

3 stops36h 09mMultiple Airlines

Deal found 12/10

$348

Tue 1/135:11 pmSTL - GIG

3 stops59h 49mMultiple Airlines

Deal found 12/11

$356

Wed 1/148:32 pmSTL - GIG

3 stops32h 28mMultiple Airlines

Deal found 12/10

$365

Mon 1/125:11 pmSTL - GIG

3 stops52h 19mMultiple Airlines

Deal found 12/10

$366

Tue 3/104:51 pmSTL - SDU

3 stops36h 14mMultiple Airlines

Deal found 12/10

$386

Tue 3/104:51 pmSTL - GIG

3 stops36h 14mMultiple Airlines

Deal found 12/10

$386

Wed 4/13:30 pmSTL - SDU

2 stops19h 30mMultiple Airlines

Deal found 12/10

$394

Mon 2/28:22 pmSTL - GIG

3 stops55h 43mMultiple Airlines

Deal found 12/10

$394

Wed 4/13:30 pmSTL - GIG

3 stops41h 15mMultiple Airlines

Deal found 12/10

$396

Mon 2/28:22 pmSTL - SDU

3 stops55h 43mMultiple Airlines

Deal found 12/10

$403

Find flight deals from St. Louis to Rio de Janeiro

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$769 (Air Canada)
One-way from	$298 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$1,511

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

One-way flight from Lambert-St Louis to Rio de Janeiro (RIO)

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($162 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Rio de Janeiro that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sat 3/7

4:05 pm-12:05 pm

1 stop17h 00m

Rio de Janeiro–Galeão Intl

Wed 3/11

8:00 pm-3:29 pm

1 stop21h 29m

$769

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Fri 4/24

10:00 am-8:50 am

2 stops44h 50m

Rio de Janeiro Santos Dumont

Mon 4/27

6:00 am-9:35 pm

2 stops17h 35m

$931

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Wed 3/11

3:22 pm-10:45 am

2 stops17h 23m

Rio de Janeiro Santos Dumont

Thu 3/12

8:25 pm-9:51 pm

2 stops27h 26m

$931

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 3/11

3:22 pm-10:15 am

2 stops16h 53m

Rio de Janeiro–Galeão Intl

Thu 3/12

6:10 pm-9:51 pm

2 stops29h 41m

$931

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sat 3/7

4:05 pm-12:05 pm

1 stop17h 00m

Rio de Janeiro–Galeão Intl

Sun 3/8

8:00 pm-3:29 pm

1 stop21h 29m

$979

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 2/24

4:05 pm-9:25 pm

2 stops26h 20m

Rio de Janeiro–Galeão Intl

Tue 3/10

3:55 pm-3:29 pm

2 stops25h 34m

$996

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 3/9

3:58 pm-7:20 am

1 stop13h 22m

Rio de Janeiro–Galeão Intl

Tue 3/24

9:30 pm-8:52 am

1 stop13h 22m

$1,013

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 2/24

5:00 pm-8:20 am

1 stop12h 20m

Rio de Janeiro–Galeão Intl

Tue 3/10

9:30 pm-8:52 am

1 stop13h 22m

$1,032

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Sun 3/1

11:19 am-10:45 am

2 stops20h 26m

Rio de Janeiro Santos Dumont

Mon 3/2

8:25 pm-10:05 pm

2 stops28h 40m

$1,108

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sun 3/1

11:19 am-10:15 am

2 stops19h 56m

Rio de Janeiro–Galeão Intl

Mon 3/2

6:10 pm-10:05 pm

2 stops30h 55m

$1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 42 results

...

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

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 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?

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

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

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,005 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

LATAM Airlines

7.5

Good

1,889 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,095 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 Air Canada and GOL fly from St. Louis to Rio de Janeiro in about 17h. The time it takes to get you to your destination can typically vary by up to 27h 50m. 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

Top airline flying from St. Louis to Rio de Janeiro

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$711	Average$1,337	FlexibilityNo cancel fee	On-timeN/A

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$298+ Cheap flights from St. Louis (STL) 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from St. Louis to Rio de Janeiro

Cheapest flights from St. Louis to Rio de JaneiroExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from St. Louis to Rio de Janeiro

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Rio de Janeiro that are best for you.

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 December.

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.

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 December 12, 2025.

Reviews of airlines servicing Rio de Janeiro

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.

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?

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

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

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

How can I 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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Rio de Janeiro

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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 December 12, 2025.