$610+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — STL
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from Rio de Janeiro to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rio de Janeiro to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Rio de Janeiro to St. LouisExplore 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 19, 2026.
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 19, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:05 am -
2 stops28h 20m
Mon 10/197:00 am -
2 stops21h 15m
Deal found 9/16![Delta logo]()
$1,063
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:55 am -
3 stops28h 05m
Mon 10/194:30 pm -
2 stops16h 05m
Deal found 9/16![Multiple Airlines logo]()
$1,729
Best flights from Rio de Janeiro to St. LouisDiscover 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 September 19, 2026.
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 September 19, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:00 pm -
1 stop26h 23m
Mon 10/1910:14 am -
1 stop22h 01m
Deal found 9/16![Delta logo]()
$1,063
Last-minute flights from Rio de Janeiro to St. LouisDiscover last-minute flight deals from Rio de Janeiro to St. Louis. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Rio de Janeiro to St. Louis. Data last updated September 19, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:05 am -
2 stops28h 20m
Mon 10/197:00 am -
2 stops21h 15m
Deal found 9/16![Delta logo]()
$1,063
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:55 am -
3 stops28h 05m
Mon 10/194:30 pm -
2 stops16h 05m
Deal found 9/16![Multiple Airlines logo]()
$1,729
One-way flights from Rio de Janeiro to St. LouisSearch for one-way flight options from Rio de Janeiro to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from Rio de Janeiro to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Mytrip deal was found by Cheapflights users on 9/19. 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.
Fri 9/257:20 am -
3 stops32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$610
This GOL deal was found by Cheapflights users on 9/19. 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.
Fri 9/2510:10 pm -
1 stop27h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![GOL logo]()
$796
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 September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,063 (Delta) |
One-way from | $610 (Mytrip) |
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 7,457,451 searches. Data last updated September 19, 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
Cheapest round-trip
Rio de JaneiroSt. Louis
GIG Rio de Janeiro–Galeão Intl - STL Lambert-St Louis
GIGSTL
Rio de Janeiro–Galeão Intl
Fri 9/25
8:40 pm-4:34 pm
2 stops45h 54m
Lambert-St Louis
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$786
Quickest round-trip
Rio de JaneiroSt. Louis
GIG Rio de Janeiro–Galeão Intl - STL Lambert-St Louis
GIGSTL
Rio de Janeiro–Galeão Intl
Fri 9/25
10:10 pm-11:59 pm
1 stop27h 49m
Lambert-St Louis
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$796
Rio de JaneiroSt. Louis
GIG Rio de Janeiro–Galeão Intl - STL Lambert-St Louis
GIGSTL
Rio de Janeiro–Galeão Intl
Thu 10/15
9:00 pm-9:23 pm
1 stop26h 23m
Lambert-St Louis
Mon 10/19
10:14 am-10:15 am
1 stop22h 01m
$1,063
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.
RIO-STL
GIG-STL
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
RIO-STL
GIG-STL
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
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