$519+ Cheap flights from St. Louis (STL) to Rio de Janeiro, Brazil (RIO)
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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RIO
Dec 5 — Dec 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Rio de Janeiro 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 St. Louis to Rio de Janeiro
Cheapest
Best
Last-minute
One-way
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 November 5, 2026.
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 November 5, 2026.
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:30 am -
2 stops21h 30m
Tue 11/1710:20 am -
2 stops27h 12m
Deal found 11/2![Copa Airlines logo]()
$906
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
2 stops23h 00m
Wed 1/1310:30 am -
2 stops28h 43m
Deal found 11/3![Copa Airlines logo]()
$1,060
This Delta deal was found by Cheapflights users on 11/1. 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.
Sun 11/296:00 am -
2 stops21h 25m
Mon 12/149:05 pm -
1 stop17h 24m
Deal found 11/1![Delta logo]()
$1,252
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/2911:14 am -
2 stops19h 11m
Sun 12/610:15 pm -
2 stops18h 40m
Deal found 11/1![American Airlines logo]()
$1,257
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/112:55 pm -
1 stop15h 40m
Tue 11/179:55 pm -
1 stop23h 43m
Deal found 11/2![United Airlines logo]()
$1,336
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/115:00 pm -
1 stop13h 25m
Tue 11/1711:55 pm -
2 stops21h 21m
Deal found 11/2![American Airlines logo]()
$1,341
Best flights from St. Louis to Rio de JaneiroDiscover 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 November 5, 2026.
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 November 5, 2026.
This BusinessClass deal was found by Cheapflights users on 10/31. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/297:29 am -
2 stops21h 31m
Mon 2/85:05 am -
2 stops43h 32m
Deal found 10/31![Copa Airlines logo]()
$1,069
This United Airlines deal was found by Cheapflights users on 10/31. 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 3/46:15 am -
1 stop24h 20m
Mon 3/89:55 pm -
1 stop23h 43m
Deal found 10/31![United Airlines logo]()
$1,222
This Delta deal was found by Cheapflights users on 11/4. 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.
Mon 1/185:19 pm -
1 stop13h 56m
Tue 1/269:05 pm -
1 stop15h 12m
Deal found 11/4![Delta logo]()
$1,222
This LATAM Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 3/410:15 am -
2 stops27h 25m
Mon 3/87:10 am -
2 stops19h 29m
Deal found 11/1![LATAM Airlines logo]()
$1,222
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/296:15 pm -
1 stop12h 10m
Sun 12/610:15 pm -
2 stops19h 56m
Deal found 11/1![American Airlines logo]()
$1,257
This KAYAK deal was found by Cheapflights users on 10/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:00 am -
2 stops24h 00m
Wed 1/1310:30 am -
2 stops38h 07m
Deal found 10/31![Copa Airlines logo]()
$1,212
This United Airlines deal was found by Cheapflights users on 11/4. 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 1/283:07 pm -
1 stop15h 28m
Mon 2/89:55 pm -
1 stop14h 36m
Deal found 11/4![United Airlines logo]()
$1,272
This Delta deal was found by Cheapflights users on 11/2. 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 3/2511:51 am -
1 stop20h 24m
Mon 3/299:00 pm -
1 stop15h 48m
Deal found 11/2![Delta logo]()
$1,279
This LATAM Airlines deal was found by Cheapflights users on 10/31. 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 1/296:00 am -
2 stops21h 25m
Mon 2/89:05 pm -
1 stop16h 59m
Deal found 10/31![LATAM Airlines logo]()
$1,309
This United Airlines deal was found by Cheapflights users on 11/4. 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 1/271:17 pm -
2 stops17h 18m
Sat 2/69:55 pm -
1 stop14h 36m
Deal found 11/4![United Airlines logo]()
$1,302
This United Airlines deal was found by Cheapflights users on 11/4. 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 2/15:00 am -
2 stops25h 35m
Wed 2/109:55 pm -
1 stop14h 27m
Deal found 11/4![United Airlines logo]()
$1,327
Last-minute flights from St. Louis to Rio de JaneiroDiscover last-minute flight deals from St. Louis to Rio de Janeiro. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Rio de Janeiro. Data last updated November 5, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:30 am -
2 stops21h 30m
Tue 11/1710:20 am -
2 stops27h 12m
Deal found 11/2![Copa Airlines logo]()
$906
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/112:55 pm -
1 stop15h 40m
Tue 11/179:55 pm -
1 stop23h 43m
Deal found 11/2![United Airlines logo]()
$1,336
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/115:00 pm -
1 stop13h 25m
Tue 11/1711:55 pm -
2 stops21h 21m
Deal found 11/2![American Airlines logo]()
$1,341
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
2 stops23h 00m
Wed 1/1310:30 am -
2 stops28h 43m
Deal found 11/3![Copa Airlines logo]()
$1,060
This Delta deal was found by Cheapflights users on 11/1. 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.
Sun 11/296:00 am -
2 stops21h 25m
Mon 12/149:05 pm -
1 stop17h 24m
Deal found 11/1![Delta logo]()
$1,252
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/2911:14 am -
2 stops19h 11m
Sun 12/610:15 pm -
2 stops18h 40m
Deal found 11/1![American Airlines logo]()
$1,257
One-way flights from St. Louis to Rio de JaneiroSearch for one-way flight options from St. Louis to Rio de Janeiro. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
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 November 5, 2026.
This KAYAK deal was found by Cheapflights users on 11/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/187:29 am -
2 stops21h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Copa Airlines logo]()
$519
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1810:13 am -
1 stop21h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![LATAM Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 11/4. 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 1/187:29 am -
3 stops23h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$2,446
Find flight deals from St. Louis to Rio de Janeiro
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Rio de Janeiro (RIO). 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 November 5, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $931 (KAYAK) |
One-way from | $519 (KAYAK) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Rio de Janeiro 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 November 5, 2026.
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
Cheapest round-trip
Quickest round-trip
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Mon 1/18
10:13 am-10:15 am
1 stop21h 02m
Rio de Janeiro–Galeão Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$803
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Fri 1/29
7:29 am-8:00 am
2 stops21h 31m
Rio de Janeiro–Galeão Intl
Mon 2/8
5:05 am-9:37 pm
2 stops43h 32m
$1,069
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Wed 11/25
5:00 am-8:00 am
2 stops24h 00m
Rio de Janeiro–Galeão Intl
Wed 1/13
10:30 am-9:37 pm
2 stops38h 07m
$1,212
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Thu 3/4
6:15 am-9:35 am
1 stop24h 20m
Rio de Janeiro–Galeão Intl
Mon 3/8
9:55 pm-6:38 pm
1 stop23h 43m
$1,222
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Mon 1/18
5:19 pm-10:15 am
1 stop13h 56m
Rio de Janeiro–Galeão Intl
Tue 1/26
9:05 pm-9:17 am
1 stop15h 12m
$1,222
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Thu 3/4
10:15 am-4:40 pm
2 stops27h 25m
Rio de Janeiro–Galeão Intl
Mon 3/8
7:10 am-11:39 pm
2 stops19h 29m
$1,222
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Sun 11/29
6:15 pm-9:25 am
1 stop12h 10m
Rio de Janeiro–Galeão Intl
Sun 12/6
10:15 pm-3:11 pm
2 stops19h 56m
$1,257
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Thu 1/28
3:07 pm-9:35 am
1 stop15h 28m
Rio de Janeiro–Galeão Intl
Mon 2/8
9:55 pm-9:31 am
1 stop14h 36m
$1,272
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Thu 3/25
11:51 am-10:15 am
1 stop20h 24m
Rio de Janeiro–Galeão Intl
Mon 3/29
9:00 pm-10:48 am
1 stop15h 48m
$1,279
St. LouisRio de Janeiro
STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl
STLGIG
Lambert-St Louis
Wed 1/27
1:17 pm-9:35 am
2 stops17h 18m
Rio de Janeiro–Galeão Intl
Sat 2/6
9:55 pm-9:31 am
1 stop14h 36m
$1,302
Showing 1-10 of 13 resultsSorted by cheapest first
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Rio de Janeiro flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Rio de Janeiro flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.
STL-RIO
STL-GIG
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
STL-RIO
STL-GIG
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Rio de Janeiro
Get insights into the airlines that provide service to Rio de Janeiro. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rio de Janeiro. Reviews last updated November 5, 2026.
See what other customers who have flown with LATAM 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.
Boarding
7.5
Comfort
7.3
Crew
8.0
Entertainment
7.0
Overall
7.4
Food
6.8
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2026
EZE - GRU
Boarding
7.5
Comfort
7.3
Crew
8.0
Entertainment
7.0
Overall
7.4
Food
6.8
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2026
EZE - GRU
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Rio de Janeiro flight routes