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$920+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — STL
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
1 adult, Economy
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Cheap 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 June 17, 2026.

This United Airlines deal was found by Cheapflights users on 6/17. 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 9/219:05 pm
GIG
-
STL
1 stop23h 26m
United Airlines
Sat 9/263:12 pm
STL
-
GIG
1 stop15h 03m
United Airlines
Deal found 6/17$920
This LATAM Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 10/237:10 am
GIG
-
STL
2 stops18h 29m
LATAM Airlines
Tue 10/2711:51 am
STL
-
GIG
1 stop20h 24m
LATAM Airlines
Deal found 6/15$932
This GOL deal was found by Cheapflights users on 6/17. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:50 pm
GIG
-
STL
2 stops17h 55m
GOL
Sat 8/2211:35 am
STL
-
GIG
1 stop18h 45m
GOL
Deal found 6/17$1,029
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 8/42:55 pm
GIG
-
STL
2 stops21h 50m
American Airlines
Fri 8/1411:35 am
STL
-
GIG
1 stop18h 45m
American Airlines
Deal found 6/16$1,030

Find 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 June 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$920
(United Airlines)
Provider with most accurate pricing for Rio de Janeiro (RIO)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Lambert-St Louis flights.
Search Deals
From Rio de Janeiro (RIO) to Lambert-St Louis
Search Deals

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 June 17, 2026.
Use the filters below to find and compare flights from Rio de Janeiro to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sat 8/15

6:50 pm-10:45 am

2 stops17h 55m

Lambert-St Louis

Sat 8/22

11:35 am-8:20 am

1 stop18h 45m

$1,029

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

2:55 pm-10:45 am

2 stops21h 50m

Lambert-St Louis

Fri 8/14

11:35 am-8:20 am

1 stop18h 45m

$1,033

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sat 8/15

9:00 pm-8:10 am

1 stop13h 10m

Lambert-St Louis

Sat 8/22

10:31 am-4:35 pm

2 stops28h 04m

$1,156
Quickest round-trip

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

9:00 pm-2:33 pm

1 stop19h 33m

Lambert-St Louis

Fri 8/14

3:39 pm-10:15 am

1 stop16h 36m

$1,158

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Rio de Janeiro-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rio de Janeiro-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rio de Janeiro-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rio de Janeiro-St. Louis 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 Rio de Janeiro-St. Louis 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 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 17h 55m. Fly via GOL 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
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