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$681+ Cheap flights from Rio de Janeiro, Brazil (RIO) to St. Louis (STL)

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — STL
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap flight deals from Rio de Janeiro to St. Louis

Best flights from Rio de Janeiro to St. Louis
Discover carefully curated flight deals from Rio de Janeiro to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:55 pmGIG - STL
1 stop14h 28mUnited Airlines
Mon 3/29:55 amSTL - GIG
2 stops20h 40mUnited Airlines
Deal found 12/11$1,095

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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,095
(United Airlines)

One-way from

$681
(Kiwi.com)
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
One-way flight 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 December 14, 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

Thu 2/26

9:55 pm-9:23 am

1 stop14h 28m

Lambert-St Louis

Mon 3/2

9:55 am-9:35 am

2 stops20h 40m

$1,095

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 1/14

5:30 pm-10:34 pm

3 stops32h 04m

$681

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 1/14

9:55 pm-9:22 am

1 stop14h 27m

$688

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sun 1/4

4:45 pm-10:56 am

3 stops45h 11m

$1,222

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sun 1/4

10:20 am-8:53 am

2 stops49h 33m

$1,957

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

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

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 Rio de Janeiro to St. Louis in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Rio de Janeiro-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rio de Janeiro-St. Louis flight deals on Cheapflights vs. eDreams >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 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 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 26h 45m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5229 mi.

  • 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
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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