$413+ Cheap flights from St. Louis (STL) to Rio de Janeiro, Brazil (RIO)
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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RIO
Apr 13 — Apr 201
Round-trip
1 adult, Economy
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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
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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 March 14, 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 March 14, 2026.
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:15 pm
STL
- GIG
1 stop16h 50m
Air Canada
Thu 11/122:50 pm
GIG
- STL
2 stops27h 40m
Air Canada
Deal found 3/12![Air Canada logo]()
$871
This Mytrip deal was found by Cheapflights users on 3/10. 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.
Sun 11/154:15 pm
STL
- GIG
2 stops18h 50m
Air Canada
Sun 11/229:00 pm
GIG
- STL
1 stop21h 30m
Air Canada
Deal found 3/10![Air Canada logo]()
$945
This BusinessClass deal was found by Cheapflights users on 3/12. 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.
Tue 11/34:15 pm
STL
- SDU
2 stops21h 30m
Azul
Thu 11/121:45 pm
SDU
- STL
2 stops28h 45m
Azul
Deal found 3/12![Azul logo]()
$993
This BusinessClass deal was found by Cheapflights users on 3/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:10 pm
STL
- SDU
2 stops26h 35m
Azul
Wed 10/71:45 pm
SDU
- STL
2 stops30h 56m
Azul
Deal found 3/11![Azul logo]()
$1,057
This Mytrip deal was found by Cheapflights users on 3/12. 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.
Tue 9/88:55 am
STL
- GIG
2 stops36h 15m
Multiple Airlines
Tue 9/158:50 pm
GIG
- STL
2 stops47h 51m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$1,057
This Booking.com deal was found by Cheapflights users on 3/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:10 pm
STL
- SDU
2 stops26h 35m
Multiple Airlines
Wed 10/71:45 pm
SDU
- STL
2 stops30h 56m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$1,069
This BusinessClass deal was found by Cheapflights users on 3/12. 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.
Tue 11/34:15 pm
STL
- GIG
2 stops21h 05m
Multiple Airlines
Thu 11/122:50 pm
GIG
- STL
2 stops27h 40m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$1,075
This Air Canada deal was found by Cheapflights users on 3/11. 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 9/3012:10 pm
STL
- GIG
2 stops23h 55m
Multiple Airlines
Wed 10/75:15 pm
GIG
- STL
2 stops27h 26m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$1,080
This lastminute.com deal was found by Cheapflights users on 3/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:06 am
STL
- GIG
2 stops31h 29m
GOL
Tue 5/58:30 am
GIG
- STL
2 stops51h 46m
GOL
Deal found 3/14![GOL logo]()
$1,131
This BusinessClass deal was found by Cheapflights users on 3/13. 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.
Mon 4/2711:06 am
STL
- GIG
2 stops21h 34m
GOL
Mon 5/46:05 am
GIG
- STL
2 stops18h 19m
GOL
Deal found 3/13![GOL logo]()
$1,136
This Gurufare deal was found by Cheapflights users on 3/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:21 pm
STL
- GIG
2 stops21h 59m
GOL
Sun 11/226:05 am
GIG
- STL
2 stops19h 27m
GOL
Deal found 3/10![GOL logo]()
$1,141
This Gurufare deal was found by Cheapflights users on 3/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:21 pm
STL
- SDU
2 stops21h 19m
GOL
Sun 11/226:00 am
SDU
- STL
2 stops19h 32m
GOL
Deal found 3/10![GOL logo]()
$1,147
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 March 14, 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 March 14, 2026.
This BusinessClass deal was found by Cheapflights users on 3/13. 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.
Mon 4/2711:06 am
STL
- GIG
2 stops21h 34m
GOL
Mon 5/46:05 am
GIG
- STL
2 stops18h 19m
GOL
Deal found 3/13![GOL logo]()
$1,136
This KAYAK deal was found by Cheapflights users on 3/12. 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.
Tue 9/85:30 pm
STL
- GIG
2 stops21h 00m
LATAM Airlines
Tue 9/159:00 pm
GIG
- STL
1 stop13h 06m
LATAM Airlines
Deal found 3/12![LATAM Airlines logo]()
$1,154
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 9/88:35 am
STL
- GIG
1 stop21h 40m
United Airlines
Tue 9/159:05 pm
GIG
- STL
1 stop15h 04m
United Airlines
Deal found 3/12![United Airlines logo]()
$1,162
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/2711:06 am
STL
- GIG
1 stop19h 14m
American Airlines
Mon 5/410:10 pm
GIG
- STL
1 stop14h 06m
American Airlines
Deal found 3/13![American Airlines logo]()
$1,237
This Mytrip deal was found by Cheapflights users on 3/12. 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.
Tue 9/812:10 pm
STL
- GIG
2 stops33h 00m
Multiple Airlines
Tue 9/156:05 am
GIG
- STL
3 stops33h 55m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$1,248
This BusinessClass deal was found by Cheapflights users on 3/13. 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.
Mon 4/2711:06 am
STL
- SDU
2 stops21h 49m
GOL
Mon 5/48:50 pm
SDU
- STL
2 stops27h 34m
GOL
Deal found 3/13![GOL logo]()
$1,180
This Gurufare deal was found by Cheapflights users on 3/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:01 pm
STL
- GIG
2 stops19h 29m
LATAM Airlines
Sun 6/75:20 pm
GIG
- STL
2 stops26h 42m
LATAM Airlines
Deal found 3/9![LATAM Airlines logo]()
$1,231
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Mon 5/114:44 pm
STL
- GIG
1 stop13h 31m
United Airlines
Mon 7/279:05 pm
GIG
- STL
2 stops26h 11m
United Airlines
Deal found 3/10![United Airlines logo]()
$1,241
This Gurufare deal was found by Cheapflights users on 3/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:06 am
STL
- GIG
2 stops31h 29m
GOL
Tue 5/510:45 pm
GIG
- STL
2 stops37h 31m
GOL
Deal found 3/14![GOL logo]()
$1,183
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Sun 4/196:00 am
STL
- GIG
1 stop24h 15m
United Airlines
Wed 5/69:05 pm
GIG
- STL
1 stop14h 25m
United Airlines
Deal found 3/9![United Airlines logo]()
$1,251
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:48 am
STL
- SDU
2 stops21h 02m
GOL
Tue 9/156:00 am
SDU
- STL
2 stops19h 12m
GOL
Deal found 3/12![GOL logo]()
$1,341
This Flysmarter deal was found by Cheapflights users on 3/9. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:55 pm
STL
- SDU
2 stops19h 50m
Multiple Airlines
Mon 4/271:50 pm
SDU
- STL
2 stops21h 35m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,641
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/286:00 am
STL
- SDU
2 stops32h 45m
United Airlines
Tue 5/51:45 pm
SDU
- STL
2 stops21h 45m
United Airlines
Deal found 3/14![United Airlines logo]()
$1,466
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Mon 4/209:10 am
STL
- SDU
2 stops29h 35m
United Airlines
Mon 4/271:50 pm
SDU
- STL
2 stops21h 35m
United Airlines
Deal found 3/11![United Airlines logo]()
$1,491
This Air Canada deal was found by Cheapflights users on 3/11. 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.
Thu 5/217:05 am
STL
- SDU
2 stops31h 40m
Air Canada
Thu 5/281:45 pm
SDU
- STL
2 stops24h 21m
Air Canada
Deal found 3/11![Air Canada logo]()
$4,007
This Flysmarter deal was found by Cheapflights users on 3/11. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:15 am
STL
- SDU
2 stops26h 55m
Multiple Airlines
Sat 5/25:30 pm
SDU
- STL
2 stops18h 00m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$1,844
This BusinessClass deal was found by Cheapflights users on 3/14. 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.
Sat 4/116:00 am
STL
- SDU
2 stops24h 35m
LATAM Airlines
Sat 4/188:15 pm
SDU
- STL
2 stops16h 19m
LATAM Airlines
Deal found 3/14![LATAM Airlines logo]()
$1,902
This Ovago deal was found by Cheapflights users on 3/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:06 am
STL
- SDU
2 stops21h 49m
GOL
Fri 5/18:50 pm
SDU
- STL
2 stops28h 03m
GOL
Deal found 3/10![GOL logo]()
$1,718
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Wed 3/255:41 pm
STL
- SDU
2 stops21h 04m
United Airlines
Sat 3/285:30 pm
SDU
- STL
2 stops19h 15m
United Airlines
Deal found 3/11![United Airlines logo]()
$1,604
This Mytrip deal was found by Cheapflights users on 3/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:05 pm
STL
- SDU
2 stops22h 40m
Multiple Airlines
Sat 3/281:45 pm
SDU
- STL
3 stops27h 39m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$2,162
Last-minute flights from St. Louis to Rio de JaneiroDiscover last-minute flight deals from St. Louis to Rio de Janeiro. Data last updated March 14, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Rio de Janeiro. Data last updated March 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Wed 3/255:41 pm
STL
- SDU
2 stops21h 04m
United Airlines
Sat 3/285:30 pm
SDU
- STL
2 stops19h 15m
United Airlines
Deal found 3/11![United Airlines logo]()
$1,604
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Sun 4/196:00 am
STL
- GIG
1 stop24h 15m
United Airlines
Wed 5/69:05 pm
GIG
- STL
1 stop14h 25m
United Airlines
Deal found 3/9![United Airlines logo]()
$1,251
This Mytrip deal was found by Cheapflights users on 3/9. 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.
Mon 4/204:05 pm
STL
- GIG
2 stops21h 30m
Multiple Airlines
Mon 4/276:00 am
GIG
- STL
2 stops35h 25m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,268
This Ovago deal was found by Cheapflights users on 3/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:59 am
STL
- GIG
1 stop22h 16m
LATAM Airlines
Mon 4/277:00 am
GIG
- STL
2 stops18h 36m
LATAM Airlines
Deal found 3/11![LATAM Airlines logo]()
$1,284
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Mon 4/209:10 am
STL
- SDU
2 stops29h 35m
United Airlines
Mon 4/271:50 pm
SDU
- STL
2 stops21h 35m
United Airlines
Deal found 3/11![United Airlines logo]()
$1,491
This BusinessClass deal was found by Cheapflights users on 3/13. 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.
Mon 4/2711:06 am
STL
- GIG
2 stops21h 34m
GOL
Mon 5/46:05 am
GIG
- STL
2 stops18h 19m
GOL
Deal found 3/13![GOL logo]()
$1,136
This BusinessClass deal was found by Cheapflights users on 3/13. 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.
Mon 4/2711:06 am
STL
- SDU
2 stops21h 49m
GOL
Mon 5/48:50 pm
SDU
- STL
2 stops27h 34m
GOL
Deal found 3/13![GOL logo]()
$1,180
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/2711:06 am
STL
- GIG
1 stop19h 14m
American Airlines
Mon 5/410:10 pm
GIG
- STL
1 stop14h 06m
American Airlines
Deal found 3/13![American Airlines logo]()
$1,237
This lastminute.com deal was found by Cheapflights users on 3/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:06 am
STL
- GIG
2 stops31h 29m
GOL
Tue 5/58:30 am
GIG
- STL
2 stops51h 46m
GOL
Deal found 3/14![GOL logo]()
$1,131
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/284:49 pm
STL
- GIG
1 stop13h 26m
United Airlines
Tue 5/59:05 pm
GIG
- STL
1 stop14h 25m
United Airlines
Deal found 3/14![United Airlines logo]()
$1,287
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/286:00 am
STL
- SDU
2 stops32h 45m
United Airlines
Tue 5/51:45 pm
SDU
- STL
2 stops21h 45m
United Airlines
Deal found 3/14![United Airlines logo]()
$1,466
This Flysmarter deal was found by Cheapflights users on 3/14. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:55 pm
STL
- SDU
2 stops19h 50m
Air Canada
Tue 5/51:45 pm
SDU
- STL
2 stops21h 45m
Air Canada
Deal found 3/14![Air Canada logo]()
$1,507
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 March 14, 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 March 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:55 pm
STL
- GIG
2 stops20h 40m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:55 pm
STL
- SDU
3 stops40h 15m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:06 am
STL
- GIG
1 stop17h 04m
American Airlines
Deal found 3/10![American Airlines logo]()
$768
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 March 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,057 (Mytrip) |
One-way from | $413 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,047 |
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 2,558,603 searches. Data last updated March 14, 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
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Mon 4/27
11:06 am-10:40 am
2 stops21h 34m
Rio de Janeiro–Galeão Intl
Mon 5/4
6:05 am-10:24 pm
2 stops18h 19m
$1,136
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Tue 9/8
5:30 pm-4:30 pm
2 stops21h 00m
Rio de Janeiro–Galeão Intl
Tue 9/15
9:00 pm-8:06 am
1 stop13h 06m
$1,154
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Tue 9/8
8:35 am-8:15 am
1 stop21h 40m
Rio de Janeiro–Galeão Intl
Tue 9/15
9:05 pm-10:09 am
1 stop15h 04m
$1,162
St. LouisRio de Janeiro
STL - SDU
STLSDU
Lambert-St Louis
Mon 4/27
11:06 am-10:55 am
2 stops21h 49m
Rio de Janeiro Santos Dumont
Mon 5/4
8:50 pm-10:24 pm
2 stops27h 34m
$1,180
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Tue 4/28
11:06 am-8:35 pm
2 stops31h 29m
Rio de Janeiro–Galeão Intl
Tue 5/5
10:45 pm-10:16 am
2 stops37h 31m
$1,183
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Sun 5/31
7:01 pm-4:30 pm
2 stops19h 29m
Rio de Janeiro–Galeão Intl
Sun 6/7
5:20 pm-6:02 pm
2 stops26h 42m
$1,231
Quickest round-trip
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Mon 4/27
11:06 am-8:20 am
1 stop19h 14m
Rio de Janeiro–Galeão Intl
Mon 5/4
10:10 pm-10:16 am
1 stop14h 06m
$1,237
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Mon 5/11
4:44 pm-8:15 am
1 stop13h 31m
Rio de Janeiro–Galeão Intl
Mon 7/27
9:05 pm-9:16 pm
2 stops26h 11m
$1,241
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Tue 9/8
12:10 pm-11:10 pm
2 stops33h 00m
Rio de Janeiro–Galeão Intl
Tue 9/15
6:05 am-2:00 pm
3 stops33h 55m
$1,248
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Sun 4/19
6:00 am-8:15 am
1 stop24h 15m
Rio de Janeiro–Galeão Intl
Wed 5/6
9:05 pm-9:30 am
1 stop14h 25m
$1,251
Showing 1-10 of 23 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Rio de Janeiro flight deals on Cheapflights vs. FlightHub >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 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 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
STL-SDU
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
STL-SDU
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 March 14, 2026.
See what other customers who have flown with Delta,LATAM Airlines, andUnited 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.
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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Complete your trip
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St. Louis and Rio de Janeiro flights
Browse other St. Louis and Rio de Janeiro flight options. Last updated on March 14, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on March 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Rio de Janeiro
Explore flights to Rio de Janeiro departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 14, 2026.
Top airline flying from St. Louis to Rio de Janeiro
Discover the top airline that operate flights from St. Louis to Rio de Janeiro. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,102 | Average$1,370 | FlexibilityNo cancel fee | On-timeN/A |