$352+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RIO
Jul 19 — Jul 261
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 June 19, 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 June 19, 2026.
This GOL 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:21 pm
STL
- GIG
1 stop14h 04m
GOL
Wed 1/1311:55 pm
GIG
- STL
1 stop20h 29m
GOL
Deal found 6/16![GOL logo]()
$949
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:42 pm
STL
- GIG
1 stop16h 33m
Delta
Mon 10/199:00 pm
GIG
- STL
1 stop17h 56m
Delta
Deal found 6/15![Delta logo]()
$953
This GOL 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:08 pm
STL
- GIG
2 stops47h 57m
GOL
Mon 10/198:15 pm
GIG
- STL
2 stops23h 08m
GOL
Deal found 6/16![GOL logo]()
$994
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.
Wed 10/75:33 am
STL
- GIG
1 stop24h 47m
American Airlines
Mon 10/198:15 pm
GIG
- STL
2 stops23h 08m
American Airlines
Deal found 6/16![American Airlines logo]()
$999
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:51 am
STL
- GIG
1 stop20h 24m
LATAM Airlines
Mon 10/199:00 pm
GIG
- STL
1 stop23h 01m
LATAM Airlines
Deal found 6/16![LATAM Airlines logo]()
$1,003
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:36 pm
STL
- SDU
2 stops21h 09m
United Airlines
Mon 10/191:45 pm
SDU
- STL
2 stops24h 28m
United Airlines
Deal found 6/16![United Airlines logo]()
$1,152
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:35 am
STL
- SDU
2 stops30h 10m
United Airlines
Tue 7/281:45 pm
SDU
- STL
2 stops28h 01m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,294
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:15 pm
STL
- SDU
2 stops36h 25m
Air Canada
Thu 11/121:45 pm
SDU
- STL
2 stops28h 45m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,327
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:00 am
STL
- SDU
2 stops32h 45m
United Airlines
Fri 7/241:45 pm
SDU
- STL
2 stops35h 59m
United Airlines
Deal found 6/16![United Airlines logo]()
$1,375
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:15 pm
STL
- SDU
2 stops21h 30m
Multiple Airlines
Wed 1/138:15 am
SDU
- STL
2 stops34h 15m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,405
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:10 pm
STL
- SDU
3 stops23h 00m
Multiple Airlines
Tue 7/281:45 pm
SDU
- STL
2 stops26h 17m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,486
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 June 19, 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 June 19, 2026.
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.
Wed 11/254:21 pm
STL
- GIG
1 stop14h 04m
GOL
Wed 1/1311:55 pm
GIG
- STL
1 stop20h 29m
GOL
Deal found 6/17![GOL logo]()
$953
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:42 pm
STL
- GIG
1 stop16h 33m
Delta
Mon 10/199:00 pm
GIG
- STL
1 stop17h 56m
Delta
Deal found 6/14![Delta logo]()
$953
This United Airlines deal was found by Cheapflights users on 6/18. 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 10/73:12 pm
STL
- GIG
1 stop15h 03m
United Airlines
Mon 10/199:05 pm
GIG
- STL
1 stop19h 05m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,088
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:12 pm
STL
- SDU
2 stops23h 33m
Multiple Airlines
Mon 10/191:45 pm
SDU
- STL
2 stops22h 25m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,152
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:15 pm
STL
- SDU
2 stops36h 25m
Air Canada
Thu 11/121:45 pm
SDU
- STL
2 stops28h 45m
Air Canada
Deal found 6/14![Air Canada logo]()
$1,327
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.
Wed 10/76:08 pm
STL
- GIG
2 stops51h 02m
GOL
Mon 10/198:15 pm
GIG
- STL
2 stops23h 08m
GOL
Deal found 6/17![GOL logo]()
$994
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:12 pm
STL
- GIG
1 stop15h 03m
United Airlines
Sat 10/179:05 pm
GIG
- STL
1 stop27h 25m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,144
This GOL 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:21 pm
STL
- GIG
1 stop14h 04m
GOL
Mon 1/410:00 pm
GIG
- STL
2 stops46h 24m
GOL
Deal found 6/15![GOL logo]()
$1,130
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 10/79:04 am
STL
- SDU
2 stops29h 41m
United Airlines
Mon 10/191:45 pm
SDU
- STL
2 stops26h 25m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,152
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/76:14 am
STL
- SDU
2 stops32h 31m
United Airlines
Tue 7/281:45 pm
SDU
- STL
2 stops24h 26m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,294
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:00 am
STL
- SDU
2 stops32h 45m
United Airlines
Fri 7/241:45 pm
SDU
- STL
2 stops35h 59m
United Airlines
Deal found 6/16![United Airlines logo]()
$1,375
Last-minute flights from St. Louis to Rio de JaneiroDiscover last-minute flight deals from St. Louis to Rio de Janeiro. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Rio de Janeiro. Data last updated June 19, 2026 and is based on user searches.
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:39 pm
STL
- GIG
1 stop18h 36m
Multiple Airlines
Wed 7/17:10 am
GIG
- STL
2 stops18h 46m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,117
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.
Wed 6/242:57 pm
STL
- GIG
1 stop15h 18m
United Airlines
Wed 7/19:05 pm
GIG
- STL
1 stop15h 02m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,275
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:16 am
STL
- SDU
2 stops14h 59m
GOL
Wed 7/15:45 pm
SDU
- STL
2 stops18h 39m
GOL
Deal found 6/17![GOL logo]()
$1,568
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 am
STL
- GIG
2 stops22h 20m
LATAM Airlines
Tue 7/2810:25 pm
GIG
- STL
2 stops45h 28m
LATAM Airlines
Deal found 6/15![LATAM Airlines logo]()
$1,188
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:13 pm
STL
- GIG
2 stops18h 57m
American Airlines
Tue 7/2810:10 pm
GIG
- STL
1 stop14h 14m
American Airlines
Deal found 6/15![American Airlines logo]()
$1,216
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:35 am
STL
- SDU
2 stops30h 10m
United Airlines
Tue 7/281:45 pm
SDU
- STL
2 stops28h 01m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,294
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:05 pm
STL
- GIG
2 stops35h 10m
United Airlines
Tue 7/289:05 pm
GIG
- STL
3 stops41h 06m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,325
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:10 pm
STL
- SDU
3 stops23h 00m
Multiple Airlines
Tue 7/281:45 pm
SDU
- STL
2 stops26h 17m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,486
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:09 pm
STL
- GIG
2 stops30h 21m
Multiple Airlines
Thu 7/231:35 am
GIG
- STL
2 stops24h 24m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,085
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:14 am
STL
- GIG
1 stop24h 01m
United Airlines
Fri 7/2411:40 am
GIG
- STL
2 stops30h 06m
United Airlines
Deal found 6/16![United Airlines logo]()
$1,343
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:00 am
STL
- SDU
2 stops32h 45m
United Airlines
Fri 7/241:45 pm
SDU
- STL
2 stops35h 59m
United Airlines
Deal found 6/16![United Airlines logo]()
$1,375
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:00 am
STL
- GIG
2 stops52h 20m
GOL
Wed 7/2912:35 pm
GIG
- STL
2 stops36h 19m
GOL
Deal found 6/15![GOL logo]()
$1,288
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 June 19, 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 June 19, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:33 pm
STL
- GIG
3 stops52h 52m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$352
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:33 pm
STL
- GIG
3 stops31h 32m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$362
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:33 pm
STL
- SDU
3 stops47h 07m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$446
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/314:57 pm
STL
- GIG
3 stops42h 08m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$543
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:15 am
STL
- GIG
1 stop24h 00m
United Airlines
Deal found 6/15![United Airlines logo]()
$682
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.
Sat 9/511:35 am
STL
- GIG
1 stop18h 45m
American Airlines
Deal found 6/16![American Airlines logo]()
$754
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:14 am
STL
- GIG
1 stop24h 01m
United Airlines
Deal found 6/16![United Airlines logo]()
$968
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:10 pm
STL
- GIG
2 stops34h 20m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,546
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:10 pm
STL
- SDU
2 stops26h 35m
Air Canada
Deal found 6/18![Air Canada logo]()
$2,370
This BusinessClass deal was found by Cheapflights users on 6/18. 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 7/1511:00 am
STL
- GIG
1 stop19h 20m
GOL
Deal found 6/18![GOL logo]()
$2,801
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 7/156:37 am
STL
- SDU
3 stops46h 28m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$3,318
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 June 19, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $949 (GOL) |
One-way from | $352 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,108 |
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 June 19, 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
Wed 11/25
4:21 pm-9:25 am
1 stop14h 04m
Rio de Janeiro–Galeão Intl
Wed 1/13
11:55 pm-5:24 pm
1 stop20h 29m
$953
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Wed 10/7
3:42 pm-10:15 am
1 stop16h 33m
Rio de Janeiro–Galeão Intl
Mon 10/19
9:00 pm-12:56 pm
1 stop17h 56m
$953
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Wed 10/7
6:08 pm-11:10 pm
2 stops51h 02m
Rio de Janeiro–Galeão Intl
Mon 10/19
8:15 pm-5:23 pm
2 stops23h 08m
$994
Quickest round-trip
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Wed 10/7
3:12 pm-8:15 am
1 stop15h 03m
Rio de Janeiro–Galeão Intl
Mon 10/19
9:05 pm-2:10 pm
1 stop19h 05m
$1,088
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Wed 11/25
4:21 pm-9:25 am
1 stop14h 04m
Rio de Janeiro–Galeão Intl
Mon 1/4
10:00 pm-5:24 pm
2 stops46h 24m
$1,130
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Fri 10/9
3:12 pm-8:15 am
1 stop15h 03m
Rio de Janeiro–Galeão Intl
Sat 10/17
9:05 pm-10:30 pm
1 stop27h 25m
$1,144
St. LouisRio de Janeiro
STL - SDU
STLSDU
Lambert-St Louis
Wed 10/7
3:12 pm-4:45 pm
2 stops23h 33m
Rio de Janeiro Santos Dumont
Mon 10/19
1:45 pm-10:10 am
2 stops22h 25m
$1,152
St. LouisRio de Janeiro
STL - SDU
STLSDU
Lambert-St Louis
Wed 10/7
9:04 am-4:45 pm
2 stops29h 41m
Rio de Janeiro Santos Dumont
Mon 10/19
1:45 pm-2:10 pm
2 stops26h 25m
$1,152
St. LouisRio de Janeiro
STL - SDU
STLSDU
Lambert-St Louis
Tue 7/7
6:14 am-4:45 pm
2 stops32h 31m
Rio de Janeiro Santos Dumont
Tue 7/28
1:45 pm-12:11 pm
2 stops24h 26m
$1,294
St. LouisRio de Janeiro
STL - SDU
STLSDU
Lambert-St Louis
Sun 11/8
4:15 pm-7:40 am
2 stops36h 25m
Rio de Janeiro Santos Dumont
Thu 11/12
1:45 pm-3:30 pm
2 stops28h 45m
$1,327
Showing 1-10 of 21 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 June.
| 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 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
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
What is the cheapest month to book a flight from St. Louis to Rio de Janeiro?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Rio de Janeiro (average of $476). Flying from St. Louis to Rio de Janeiro in September is currently the most expensive (average of $1,280). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from St. Louis to Rio de Janeiro?
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 June 19, 2026.
See what other customers who have flown with Delta,LATAM Airlines, andAmerican 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.
Comfort
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Complete your trip to Rio de Janeiro by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Rio de Janeiro by cabin class
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St. Louis and Rio de Janeiro flights
Browse other St. Louis and Rio de Janeiro flight options. Last updated on June 19, 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 June 19, 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 June 19, 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 June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,108 | Average$1,370 | FlexibilityNo cancel fee | On-timeN/A |