$559+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RIO
Sep 1 — Sep 81
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 August 2, 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 August 2, 2026.
This American Airlines deal was found by Cheapflights users on 7/29. 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 11/96:15 pm
STL
- GIG
1 stop12h 10m
American Airlines
Thu 11/1911:55 pm
GIG
- STL
1 stop20h 30m
American Airlines
Deal found 7/29![American Airlines logo]()
$1,003
This Delta deal was found by Cheapflights users on 7/30. 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 11/255:37 pm
STL
- GIG
2 stops21h 33m
Delta
Wed 1/134:10 pm
GIG
- STL
2 stops21h 38m
Delta
Deal found 7/30![Delta logo]()
$1,004
This oojo deal was found by Cheapflights users on 7/28. 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 10/712:00 pm
STL
- GIG
1 stop20h 15m
LATAM Airlines
Mon 10/195:35 pm
GIG
- STL
2 stops41h 34m
LATAM Airlines
Deal found 7/28![LATAM Airlines logo]()
$1,005
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/111:35 am
STL
- GIG
1 stop18h 45m
American Airlines
Mon 9/1410:10 pm
GIG
- STL
2 stops21h 20m
American Airlines
Deal found 7/28![American Airlines logo]()
$1,007
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 10/76:20 pm
STL
- GIG
2 stops17h 50m
American Airlines
Mon 10/1910:10 pm
GIG
- STL
2 stops20h 54m
American Airlines
Deal found 8/1![American Airlines logo]()
$1,014
This GOL deal was found by Cheapflights users on 7/30. 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 10/73:20 pm
STL
- GIG
2 stops20h 50m
GOL
Mon 10/198:15 pm
GIG
- STL
2 stops23h 34m
GOL
Deal found 7/30![GOL logo]()
$1,018
This GOL deal was found by Cheapflights users on 7/30. 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.
Sun 9/132:11 pm
STL
- GIG
1 stop16h 09m
GOL
Sun 9/2010:10 pm
GIG
- STL
1 stop17h 11m
GOL
Deal found 7/30![GOL logo]()
$1,033
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/1312:50 pm
STL
- GIG
2 stops17h 30m
American Airlines
Sun 9/2010:10 pm
GIG
- STL
2 stops21h 20m
American Airlines
Deal found 7/30![American Airlines logo]()
$1,037
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:10 pm
STL
- GIG
2 stops35h 25m
GOL
Fri 10/26:05 am
GIG
- STL
2 stops19h 54m
GOL
Deal found 7/31![GOL logo]()
$1,038
This LATAM Airlines deal was found by Cheapflights users on 7/31. 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 11/132:31 pm
STL
- GIG
2 stops27h 44m
LATAM Airlines
Tue 11/178:50 am
GIG
- STL
2 stops27h 03m
LATAM Airlines
Deal found 7/31![LATAM Airlines logo]()
$1,041
This LATAM Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 10/317:00 am
STL
- SDU
2 stops24h 25m
LATAM Airlines
Wed 11/46:50 pm
SDU
- STL
2 stops19h 01m
LATAM Airlines
Deal found 7/30![LATAM Airlines logo]()
$1,053
This United Airlines deal was found by Cheapflights users on 7/29. 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 7/29![United Airlines logo]()
$1,203
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 August 2, 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 August 2, 2026.
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:59 pm
STL
- GIG
1 stop12h 16m
LATAM Airlines
Sun 1/315:30 pm
GIG
- STL
2 stops33h 09m
LATAM Airlines
Deal found 8/1![LATAM Airlines logo]()
$998
This GOL deal was found by Cheapflights users on 7/28. 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.
Tue 9/111:35 am
STL
- GIG
1 stop18h 45m
GOL
Mon 9/1410:10 pm
GIG
- STL
1 stop20h 05m
GOL
Deal found 7/28![GOL logo]()
$1,003
This Delta deal was found by Cheapflights users on 7/30. 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 11/255:37 pm
STL
- GIG
2 stops21h 33m
Delta
Wed 1/134:10 pm
GIG
- STL
2 stops21h 38m
Delta
Deal found 7/30![Delta logo]()
$1,004
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 10/76:20 pm
STL
- GIG
2 stops17h 50m
American Airlines
Mon 10/1910:10 pm
GIG
- STL
2 stops20h 54m
American Airlines
Deal found 8/1![American Airlines logo]()
$1,014
This United Airlines deal was found by Cheapflights users on 8/1. 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 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 stop15h 05m
United Airlines
Deal found 8/1![United Airlines logo]()
$1,060
This GOL deal was found by Cheapflights users on 7/30. 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 10/73:20 pm
STL
- GIG
2 stops20h 50m
GOL
Mon 10/198:15 pm
GIG
- STL
2 stops23h 34m
GOL
Deal found 7/30![GOL logo]()
$1,018
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/112:11 pm
STL
- GIG
1 stop16h 09m
American Airlines
Fri 9/1810:10 pm
GIG
- STL
2 stops16h 53m
American Airlines
Deal found 7/28![American Airlines logo]()
$1,056
This SmartFares deal was found by Cheapflights users on 8/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:23 pm
STL
- GIG
1 stop14h 52m
LATAM Airlines
Sat 9/56:05 pm
GIG
- STL
2 stops41h 15m
LATAM Airlines
Deal found 8/1![LATAM Airlines logo]()
$1,098
This United Airlines deal was found by Cheapflights users on 7/29. 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 7/29![United Airlines logo]()
$1,203
This American Airlines deal was found by Cheapflights users on 7/29. 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 11/256:47 am
STL
- GIG
2 stops20h 28m
American Airlines
Wed 1/1310:30 pm
GIG
- STL
1 stop19h 17m
American Airlines
Deal found 7/29![American Airlines logo]()
$1,106
This LATAM Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 10/317:00 am
STL
- SDU
2 stops24h 25m
LATAM Airlines
Wed 11/46:50 pm
SDU
- STL
2 stops19h 01m
LATAM Airlines
Deal found 7/31![LATAM Airlines logo]()
$1,184
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:15 am
STL
- SDU
2 stops31h 30m
United Airlines
Sun 1/312:50 pm
SDU
- STL
2 stops30h 16m
United Airlines
Deal found 8/1![United Airlines logo]()
$1,243
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Wed 9/235:10 pm
STL
- SDU
2 stops15h 35m
GOL
Thu 9/243:30 pm
SDU
- STL
2 stops34h 29m
GOL
Deal found 7/29![GOL logo]()
$1,331
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 10/319:44 am
STL
- SDU
2 stops23h 26m
United Airlines
Wed 11/41:45 pm
SDU
- STL
2 stops28h 58m
United Airlines
Deal found 7/28![United Airlines logo]()
$1,297
This United Airlines deal was found by Cheapflights users on 7/30. 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 11/257:30 am
STL
- SDU
2 stops30h 15m
United Airlines
Wed 1/131:45 pm
SDU
- STL
2 stops27h 45m
United Airlines
Deal found 7/30![United Airlines logo]()
$1,451
Last-minute flights from St. Louis to Rio de JaneiroDiscover last-minute flight deals from St. Louis to Rio de Janeiro. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Rio de Janeiro. Data last updated August 2, 2026 and is based on user searches.
This Gurufare deal was found by Cheapflights users on 7/29. 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.
Thu 7/3011:00 am
STL
- GIG
2 stops22h 20m
GOL
Thu 8/610:10 pm
GIG
- STL
1 stop14h 35m
GOL
Deal found 7/29![GOL logo]()
$1,713
This Orbitz deal was found by Cheapflights users on 7/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:58 pm
STL
- SDU
2 stops49h 07m
LATAM Airlines
Thu 8/66:15 am
SDU
- STL
2 stops29h 39m
LATAM Airlines
Deal found 7/29![LATAM Airlines logo]()
$3,006
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/17:05 pm
STL
- GIG
2 stops35h 10m
United Airlines
Fri 8/79:05 pm
GIG
- STL
2 stops37h 34m
United Airlines
Deal found 7/29![United Airlines logo]()
$1,280
This oojo deal was found by Cheapflights users on 7/29. 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.
Sat 8/15:18 am
STL
- SDU
2 stops27h 27m
GOL
Fri 8/78:55 pm
SDU
- STL
2 stops27h 45m
GOL
Deal found 7/29![GOL logo]()
$2,389
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:23 pm
STL
- GIG
2 stops34h 52m
LATAM Airlines
Wed 9/27:05 am
GIG
- STL
2 stops18h 16m
LATAM Airlines
Deal found 7/31![LATAM Airlines logo]()
$1,148
This GOL deal was found by Cheapflights users on 7/31. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:35 am
STL
- GIG
1 stop18h 45m
GOL
Wed 9/28:15 pm
GIG
- STL
2 stops16h 30m
GOL
Deal found 7/31![GOL logo]()
$1,159
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:40 pm
STL
- GIG
3 stops27h 25m
Multiple Airlines
Wed 9/27:20 am
GIG
- STL
3 stops32h 42m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$1,677
This SmartFares deal was found by Cheapflights users on 8/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:23 pm
STL
- GIG
1 stop14h 52m
LATAM Airlines
Sat 9/56:05 pm
GIG
- STL
2 stops41h 15m
LATAM Airlines
Deal found 8/1![LATAM Airlines logo]()
$1,098
This GOL deal was found by Cheapflights users on 8/1. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:35 am
STL
- GIG
1 stop18h 45m
GOL
Sat 9/510:10 pm
GIG
- STL
1 stop26h 30m
GOL
Deal found 8/1![GOL logo]()
$1,271
This BusinessClass deal was found by Cheapflights users on 8/1. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:35 am
STL
- SDU
2 stops21h 10m
GOL
Sat 9/56:30 pm
SDU
- STL
2 stops42h 15m
GOL
Deal found 8/1![GOL logo]()
$1,700
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 August 2, 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 August 2, 2026.
This BusinessClass deal was found by Cheapflights users on 7/30. 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 8/85:59 pm
STL
- GIG
2 stops28h 26m
Copa Airlines
Deal found 7/30![Copa Airlines logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/87:10 pm
STL
- GIG
3 stops34h 50m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:05 pm
STL
- SDU
2 stops37h 25m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/78:08 pm
STL
- GIG
3 stops35h 12m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:05 pm
STL
- GIG
2 stops43h 25m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$655
This Air Canada deal was found by Cheapflights users on 7/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:05 pm
STL
- GIG
1 stop17h 00m
Air Canada
Deal found 7/31![Air Canada logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/84:57 pm
STL
- SDU
3 stops26h 53m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$683
This LATAM Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 12/1210:50 am
STL
- GIG
2 stops27h 00m
LATAM Airlines
Deal found 7/31![LATAM Airlines logo]()
$723
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/78:08 pm
STL
- SDU
3 stops38h 17m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$770
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/89:20 am
STL
- GIG
2 stops20h 55m
United Airlines
Deal found 7/30![United Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/75:59 pm
STL
- GIG
2 stops36h 16m
United Airlines
Deal found 7/30![United Airlines logo]()
$785
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 12/127:04 pm
STL
- SDU
2 stops42h 41m
United Airlines
Deal found 7/31![United Airlines logo]()
$834
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 August 2, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $998 (Expedia) |
One-way from | $559 (BusinessClass) |
Popular in | December |
Cheapest in | April |
Average price | $1,136 |
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 August 2, 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
Thu 1/21
6:59 pm-10:15 am
1 stop12h 16m
Rio de Janeiro–Galeão Intl
Sun 1/31
5:30 pm-11:39 pm
2 stops33h 09m
$998
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Tue 9/1
11:35 am-8:20 am
1 stop18h 45m
Rio de Janeiro–Galeão Intl
Mon 9/14
10:10 pm-4:15 pm
1 stop20h 05m
$1,003
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Wed 11/25
5:37 pm-6:10 pm
2 stops21h 33m
Rio de Janeiro–Galeão Intl
Wed 1/13
4:10 pm-10:48 am
2 stops21h 38m
$1,004
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Wed 10/7
6:20 pm-2:10 pm
2 stops17h 50m
Rio de Janeiro–Galeão Intl
Mon 10/19
10:10 pm-5:04 pm
2 stops20h 54m
$1,014
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Wed 10/7
3:20 pm-2:10 pm
2 stops20h 50m
Rio de Janeiro–Galeão Intl
Mon 10/19
8:15 pm-5:49 pm
2 stops23h 34m
$1,018
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Fri 9/11
2:11 pm-8:20 am
1 stop16h 09m
Rio de Janeiro–Galeão Intl
Fri 9/18
10:10 pm-1:03 pm
2 stops16h 53m
$1,056
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-10:10 am
1 stop15h 05m
$1,060
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Mon 8/31
5:23 pm-10:15 am
1 stop14h 52m
Rio de Janeiro–Galeão Intl
Sat 9/5
6:05 pm-9:20 am
2 stops41h 15m
$1,098
St. LouisRio de Janeiro
STL - GIG
STLGIG
Lambert-St Louis
Wed 11/25
6:47 am-6:15 am
2 stops20h 28m
Rio de Janeiro–Galeão Intl
Wed 1/13
10:30 pm-2:47 pm
1 stop19h 17m
$1,106
St. LouisRio de Janeiro
STL - SDU
STLSDU
Lambert-St Louis
Sat 10/31
7:00 am-9:25 am
2 stops24h 25m
Rio de Janeiro Santos Dumont
Wed 11/4
6:50 pm-10:51 am
2 stops19h 01m
$1,184
Showing 1-10 of 33 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 August.
| 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
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 August 2, 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
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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