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$859+ Cheap flights from Rio de Janeiro, Brazil (RIO) to St. Louis (STL)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Rio de Janeiro to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Rio de Janeiro (RIO) to St. Louis (STL). 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 September 11, 2025.

Round-trip from

$859
(Air Canada)
From Rio de Janeiro (RIO) to Lambert-St Louis
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Find flight deals from Rio de Janeiro to St. Louis

Cheapest flights from Rio de Janeiro to St. Louis
Explore the most affordable flight options available from Rio de Janeiro to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/11. 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 11/123:55 pmGIG - STL
2 stops26h 34mMultiple Airlines
Wed 11/264:05 pmSTL - GIG
2 stops20h 05mMultiple Airlines
Deal found 9/11$859
This Air Canada deal was found by Cheapflights users on 9/10. 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 11/123:55 pmGIG - STL
2 stops26h 34mAir Canada
Wed 11/264:05 pmSTL - GIG
2 stops20h 05mAir Canada
Deal found 9/10$861
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 11/129:30 pmGIG - STL
1 stop16h 19mDelta
Wed 11/266:00 amSTL - GIG
2 stops21h 25mDelta
Deal found 9/11$1,029
This American Airlines deal was found by Cheapflights users on 9/11. 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 11/1211:55 pmGIG - STL
1 stop19h 16mAmerican Airlines
Wed 11/2611:07 amSTL - GIG
1 stop16h 08mAmerican Airlines
Deal found 9/11$1,038
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Wed 10/87:25 amGIG - STL
3 stops28h 37mMultiple Airlines
Tue 10/214:05 pmSTL - GIG
2 stops21h 00mMultiple Airlines
Deal found 9/10$1,043
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/89:05 pmGIG - STL
1 stop21h 23mUnited Airlines
Tue 10/215:28 pmSTL - GIG
2 stops36h 47mUnited Airlines
Deal found 9/10$1,122

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro to St. Louis 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 September 11, 2025.
Use the filters below to find and compare flights from Rio de Janeiro to St. Louis that are best for you.

Fly from

Rio de Janeiro

Fly to

St. Louis

Route

Depart

Return

Price

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 11/12

3:55 pm-3:29 pm

2 stops26h 34m

Lambert-St Louis

Wed 11/26

4:05 pm-3:10 pm

2 stops20h 05m

$859

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 11/12

3:55 pm-3:29 pm

2 stops26h 34m

Lambert-St Louis

Wed 11/26

4:05 pm-3:10 pm

2 stops20h 05m

$861

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 11/12

9:30 pm-10:49 am

1 stop16h 19m

Lambert-St Louis

Wed 11/26

6:00 am-6:25 am

2 stops21h 25m

$1,029

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 11/12

11:55 pm-4:11 pm

1 stop19h 16m

Lambert-St Louis

Wed 11/26

11:07 am-6:15 am

1 stop16h 08m

$1,038

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 10/8

7:25 am-10:02 am

3 stops28h 37m

Lambert-St Louis

Tue 10/21

4:05 pm-3:05 pm

2 stops21h 00m

$1,043

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 10/8

9:05 pm-4:28 pm

1 stop21h 23m

Lambert-St Louis

Tue 10/21

5:28 pm-8:15 am

2 stops36h 47m

$1,122

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Rio de Janeiro to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Rio de Janeiro 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 Rio de Janeiro to St. Louis
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Rio de Janeiro to St. Louis. 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 into for flights to St. Louis from Rio de Janeiro?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Rio de Janeiro to St. Louis. You should not have trouble finding flights to Lambert-St Louis from Rio de Janeiro; the airport handles an average of 0 inbound flights from Rio de Janeiro per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the St. Louis airport from Rio de Janeiro. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

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

    There are many flights that can get you from Rio de Janeiro to St. Louis in 16h 19m. Fly via Air Canada, Delta, or American Airlines to get the fastest option. Airlines will cover a distance of 5229 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rio de Janeiro to St. Louis 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 Rio de Janeiro to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Rio de Janeiro to St. Louis (average of $311). Flying from Rio de Janeiro to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
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Eureka
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Chesterfield
Alton
Farmington
Festus

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