$261+ Cheap flights from St. Louis (STL) to South America
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOG
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to South America 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 South America
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Cheapest flights from St. Louis to South AmericaExplore the most affordable flight options available from St. Louis to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from St. Louis to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:12 pm -
1 stop13h 42m
Mon 10/268:15 am -
1 stop14h 11m
Deal found 9/4![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:00 am -
1 stop11h 35m
Wed 11/48:15 am -
1 stop9h 35m
Deal found 9/3![United Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:08 pm -
2 stops19h 27m
Wed 10/281:35 pm -
1 stop8h 24m
Deal found 9/4![American Airlines logo]()
$582
This LATAM Airlines deal was found by Cheapflights users on 9/7. 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 9/186:00 am -
1 stop13h 15m
Fri 9/252:55 pm -
1 stop8h 47m
Deal found 9/7![LATAM Airlines logo]()
$591
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/187:21 am -
2 stops13h 56m
Fri 9/256:30 am -
1 stop17h 29m
Deal found 9/7![American Airlines logo]()
$629
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:44 pm -
1 stop21h 56m
Tue 9/82:55 pm -
1 stop8h 47m
Deal found 9/4![Delta logo]()
$680
This American Airlines deal was found by Cheapflights users on 9/6. 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 11/278:12 pm -
2 stops16h 20m
Sun 12/132:35 pm -
1 stop8h 12m
Deal found 9/6![American Airlines logo]()
$682
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/195:00 pm -
2 stops19h 35m
Tue 9/221:35 pm -
1 stop8h 14m
Deal found 9/7![American Airlines logo]()
$698
This LATAM Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 10/206:00 am -
1 stop12h 59m
Tue 10/278:55 am -
2 stops14h 59m
Deal found 9/5![LATAM Airlines logo]()
$699
This FlightHub deal was found by Cheapflights users on 9/5. 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.
Mon 11/912:29 pm -
1 stop15h 31m
Sun 11/2212:10 pm -
1 stop12h 46m
Deal found 9/5![LATAM Airlines logo]()
$700
This Air Canada deal was found by Cheapflights users on 9/5. 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.
Tue 10/2012:10 pm -
2 stops28h 20m
Mon 10/261:50 am -
2 stops37h 33m
Deal found 9/5![Multiple Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/203:12 pm -
1 stop8h 13m
Mon 10/2612:35 am -
1 stop18h 03m
Deal found 9/5![United Airlines logo]()
$707
Best flights from St. Louis to South AmericaDiscover carefully curated flight deals from St. Louis to South America that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from St. Louis to South America that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:12 pm -
1 stop13h 42m
Mon 10/268:15 am -
1 stop14h 11m
Deal found 9/4![United Airlines logo]()
$561
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 am -
1 stop7h 40m
Mon 10/2610:45 am -
2 stops22h 24m
Deal found 9/4![Delta logo]()
$566
This Expedia deal was found by Cheapflights users on 9/7. 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.
Wed 2/176:00 am -
1 stop7h 10m
Sun 2/213:25 pm -
1 stop17h 47m
Deal found 9/7![LATAM Airlines logo]()
$677
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/236:07 pm -
1 stop18h 28m
Fri 10/301:35 pm -
1 stop8h 24m
Deal found 9/8![American Airlines logo]()
$725
This Booking.com deal was found by Cheapflights users on 9/7. 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 2/104:05 pm -
2 stops15h 35m
Sun 2/143:55 pm -
2 stops24h 31m
Deal found 9/7![Air Canada logo]()
$813
This Copa Airlines deal was found by Cheapflights users on 9/6. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:22 am -
2 stops14h 33m
Wed 1/207:00 am -
2 stops27h 48m
Deal found 9/6![Copa Airlines logo]()
$818
This Delta deal was found by Cheapflights users on 9/5. 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 10/216:00 am -
2 stops11h 50m
Wed 10/2810:45 am -
2 stops22h 24m
Deal found 9/5![Delta logo]()
$566
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/271:08 pm -
2 stops15h 02m
Tue 3/21:30 am -
1 stop16h 14m
Deal found 9/4![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:00 am -
1 stop11h 35m
Wed 11/48:15 am -
1 stop9h 35m
Deal found 9/3![United Airlines logo]()
$576
This GOL deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/222:54 pm -
1 stop14h 36m
Sat 3/612:05 am -
1 stop17h 44m
Deal found 9/3![GOL logo]()
$1,304
This Air Canada deal was found by Cheapflights users on 9/8. 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 2/284:05 pm -
2 stops27h 10m
Fri 3/57:50 am -
2 stops34h 36m
Deal found 9/8![Multiple Airlines logo]()
$1,357
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 am -
1 stop7h 35m
Mon 10/261:35 pm -
1 stop8h 24m
Deal found 9/4![American Airlines logo]()
$738
This KAYAK deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:55 am -
2 stops26h 20m
Mon 10/1910:05 am -
2 stops36h 15m
Deal found 9/3![Azul logo]()
$1,519
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:18 pm -
1 stop25h 07m
Mon 11/3012:55 am -
1 stop18h 18m
Deal found 9/8![Delta logo]()
$716
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/215:00 am -
1 stop7h 35m
Wed 10/281:35 pm -
1 stop8h 24m
Deal found 9/5![American Airlines logo]()
$738
This LATAM Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 12/810:04 am -
2 stops17h 56m
Tue 12/299:00 am -
2 stops25h 07m
Deal found 9/8![LATAM Airlines logo]()
$820
This United Airlines deal was found by Cheapflights users on 9/6. 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 1/157:00 pm -
2 stops18h 50m
Tue 1/194:00 pm -
1 stop18h 48m
Deal found 9/6![United Airlines logo]()
$682
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 11/217:18 pm -
2 stops22h 34m
Mon 11/308:55 am -
2 stops16h 01m
Deal found 9/7![Delta logo]()
$732
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/253:03 pm -
1 stop8h 27m
Sun 1/311:35 am -
1 stop9h 07m
Deal found 9/8![United Airlines logo]()
$707
This LATAM Airlines deal was found by Cheapflights users on 9/6. 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 2/276:00 am -
2 stops16h 25m
Wed 3/39:00 am -
2 stops10h 01m
Deal found 9/6![LATAM Airlines logo]()
$861
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 11/207:18 pm -
2 stops22h 34m
Thu 11/2612:55 am -
1 stop13h 28m
Deal found 9/8![Delta logo]()
$763
This American Airlines deal was found by Cheapflights users on 9/7. 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 2/105:00 am -
1 stop7h 35m
Sun 2/142:30 pm -
2 stops18h 58m
Deal found 9/7![American Airlines logo]()
$847
This Copa Airlines deal was found by Cheapflights users on 9/7. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/159:37 am -
2 stops30h 49m
Fri 1/84:45 am -
2 stops15h 38m
Deal found 9/7![Copa Airlines logo]()
$1,039
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/236:15 am -
1 stop17h 10m
Thu 10/2912:35 am -
1 stop9h 27m
Deal found 9/8![United Airlines logo]()
$747
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/62:15 pm -
1 stop17h 45m
Wed 1/2012:10 pm -
1 stop21h 02m
Deal found 9/4![Delta logo]()
$765
This Expedia deal was found by Cheapflights users on 9/7. 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.
Wed 2/106:00 am -
1 stop7h 10m
Sun 2/143:25 pm -
1 stop17h 47m
Deal found 9/7![LATAM Airlines logo]()
$938
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 12/318:22 pm -
2 stops16h 14m
Tue 1/54:48 pm -
1 stop25h 34m
Deal found 9/5![American Airlines logo]()
$865
This United Airlines deal was found by Cheapflights users on 9/8. 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 11/206:50 pm -
2 stops28h 40m
Mon 11/301:35 am -
1 stop18h 06m
Deal found 9/8![United Airlines logo]()
$750
This Delta deal was found by Cheapflights users on 9/5. 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.
Tue 10/206:00 am -
2 stops15h 35m
Tue 10/2711:40 pm -
1 stop11h 11m
Deal found 9/5![Delta logo]()
$765
This Delta deal was found by Cheapflights users on 9/6. 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 10/216:00 am -
2 stops15h 35m
Wed 10/2811:40 pm -
1 stop13h 40m
Deal found 9/6![Delta logo]()
$765
Last-minute flights from St. Louis to South AmericaDiscover last-minute flight deals from St. Louis to South America. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to South America. Data last updated September 8, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 9/7. 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 9/186:00 am -
1 stop13h 15m
Fri 9/252:55 pm -
1 stop8h 47m
Deal found 9/7![LATAM Airlines logo]()
$591
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/187:21 am -
2 stops13h 56m
Fri 9/256:30 am -
1 stop17h 29m
Deal found 9/7![American Airlines logo]()
$629
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/195:00 pm -
2 stops19h 35m
Tue 9/221:35 pm -
1 stop8h 14m
Deal found 9/7![American Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:12 pm -
1 stop13h 42m
Mon 10/268:15 am -
1 stop14h 11m
Deal found 9/4![United Airlines logo]()
$561
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 am -
1 stop7h 35m
Mon 10/261:35 pm -
1 stop8h 24m
Deal found 9/4![American Airlines logo]()
$738
This LATAM Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 10/206:00 am -
1 stop12h 59m
Tue 10/278:55 am -
2 stops14h 59m
Deal found 9/5![LATAM Airlines logo]()
$699
This Air Canada deal was found by Cheapflights users on 9/5. 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.
Tue 10/2012:10 pm -
2 stops28h 20m
Mon 10/261:50 am -
2 stops37h 33m
Deal found 9/5![Multiple Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/203:12 pm -
1 stop8h 13m
Mon 10/2612:35 am -
1 stop18h 03m
Deal found 9/5![United Airlines logo]()
$707
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/205:00 am -
2 stops16h 04m
Tue 10/276:00 am -
2 stops15h 18m
Deal found 9/5![American Airlines logo]()
$712
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/235:08 pm -
2 stops19h 27m
Fri 10/301:35 pm -
2 stops22h 27m
Deal found 9/8![American Airlines logo]()
$713
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:08 pm -
2 stops19h 27m
Wed 10/281:35 pm -
1 stop8h 24m
Deal found 9/4![American Airlines logo]()
$582
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:00 am -
1 stop11h 35m
Wed 11/48:15 am -
1 stop9h 35m
Deal found 9/3![United Airlines logo]()
$576
One-way flights from St. Louis to South AmericaSearch for one-way flight options from St. Louis to South America. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from St. Louis to South America. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/146:35 pm -
3 stops29h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/302:29 pm -
2 stops29h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Mon 12/72:59 pm -
3 stops18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 12/22:59 pm -
3 stops28h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/110:20 am -
3 stops42h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$321
This Avianca deal was found by Cheapflights users on 9/5. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:00 am -
2 stops18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Avianca logo]()
$332
This Avianca deal was found by Cheapflights users on 9/5. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:00 am -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Tue 12/16:05 pm -
2 stops29h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 12/36:05 pm -
2 stops29h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$348
This SmartFares deal was found by Cheapflights users on 9/7. 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.
Sun 11/224:05 pm -
1 stop21h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Mon 10/52:29 pm -
3 stops55h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sun 9/1310:20 am -
2 stops32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$361
Find flight deals from St. Louis to South America
Keep the following information in mind while searching for St. Louis to South America flight deals. Data was last updated September 8, 2026.
Round-trip from | $561 (United Airlines) |
|---|---|
One-way from | $261 (Kiwi.com) |
Popular in | April |
Cheapest in | June |
Average price | $985 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to South America that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 8, 2026.
Use the filters below to find and compare flights from St. Louis to South America that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBogotá
STL Lambert-St Louis - BOG Bogotá El Dorado
STLBOG
Lambert-St Louis
Wed 10/14
6:35 pm-12:06 am
3 stops29h 31m
Bogotá El Dorado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$261
St. LouisBogotá
STL Lambert-St Louis - BOG Bogotá El Dorado
STLBOG
Lambert-St Louis
Wed 9/30
2:29 pm-8:10 pm
3 stops29h 41m
Bogotá El Dorado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$319
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Thu 10/1
10:20 am-5:01 am
3 stops42h 41m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$321
St. LouisBogotá
STL Lambert-St Louis - BOG Bogotá El Dorado
STLBOG
Lambert-St Louis
Tue 11/3
8:00 am-2:00 am
2 stops17h 00m
Bogotá El Dorado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$332
Quickest round-trip
St. LouisBogotá
STL Lambert-St Louis - BOG Bogotá El Dorado
STLBOG
Lambert-St Louis
Tue 11/3
8:00 am-8:10 pm
1 stop11h 10m
Bogotá El Dorado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$334
St. LouisBogotá
STL Lambert-St Louis - BOG Bogotá El Dorado
STLBOG
Lambert-St Louis
Thu 12/3
6:05 pm-12:20 am
2 stops29h 15m
Bogotá El Dorado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$348
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Mon 10/5
2:29 pm-11:39 pm
3 stops55h 10m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$354
St. LouisBogotá
STL Lambert-St Louis - BOG Bogotá El Dorado
STLBOG
Lambert-St Louis
Tue 10/27
4:05 pm-2:10 pm
1 stop22h 05m
Bogotá El Dorado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$359
St. LouisBogotá
STL Lambert-St Louis - BOG Bogotá El Dorado
STLBOG
Lambert-St Louis
Sun 9/13
10:20 am-5:07 pm
3 stops30h 47m
Bogotá El Dorado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$362
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Mon 11/23
6:35 pm-3:35 am
3 stops30h 00m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$365
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from St. Louis to South America
Have a flexible travel schedule? Discover the best time to fly to South America from St. Louis with our price prediction graph.
STL-BOG
STL-CTG
STL-UIO
STL-LIM
STL-EZE
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 South America
STL-0SA
STL-BOG
STL-CTG
STL-UIO
STL-LIM
What is the cheapest month to book a flight from St. Louis to South America?
Currently, October is the cheapest month in which you can book a flight from St. Louis to South America (average of $815). Flying from St. Louis to South America in December is currently the most expensive (average of $1,222). 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.
Reviews of airlines servicing South America
Get insights into the airlines that provide service to South America. 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 South America. Reviews last updated September 8, 2026.
Peruse reviews from past customers who have flown with Delta,LATAM Airlines, andUnited Airlines from St. Louis to South America to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to South America. 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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Alternative routes for St. Louis to South America
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Complete your trip
Complete your trip to South America by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to South America by cabin class
Find flights from St. Louis to South America, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and South America flights
Browse other St. Louis and South America flight options. Last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to South America countries
Consider these flights traveling to countries located in South America.
St. Louis to South America flights
Consider these flights traveling from St. Louis to South America.
Top 4 airlines flying from St. Louis to South America
Discover the top 4 airlines that operate flights from St. Louis to South America. 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$536 | Average$944 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$541 | Average$1,090 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$582 | Average$996 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$615 | Average$1,029 | FlexibilityNo cancel fee | On-time69% |