South America

$230+ Cheap flights from St. Louis (STL) to South America

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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOG
Jul 12 — Jul 191
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Cheap flight deals from St. Louis to South America

Cheapest flights from St. Louis to South America
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 June 12, 2026.

This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 11/43:42 pm
STL
-
CTG
1 stop21h 33m
Delta
Tue 3/23:25 pm
CTG
-
STL
1 stop9h 14m
Delta
Deal found 6/8$537
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:07 pm
STL
-
CTG
2 stops18h 08m
American Airlines
Tue 8/251:35 pm
CTG
-
STL
2 stops19h 49m
American Airlines
Deal found 6/10$572
This Justfly.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:55 am
STL
-
BOG
1 stop21h 00m
Multiple Airlines
Mon 9/284:15 pm
BOG
-
STL
1 stop27h 45m
Multiple Airlines
Deal found 6/10$572
This American Airlines deal was found by Cheapflights users on 6/8. 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 7/106:13 pm
STL
-
CTG
2 stops20h 04m
American Airlines
Sat 7/183:17 pm
CTG
-
STL
2 stops19h 18m
American Airlines
Deal found 6/8$593
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:15 pm
STL
-
BOG
1 stop12h 55m
Multiple Airlines
Thu 11/2612:10 am
BOG
-
STL
1 stop16h 20m
Multiple Airlines
Deal found 6/11$593
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 am
STL
-
CTG
1 stop7h 35m
American Airlines
Wed 9/91:35 pm
CTG
-
STL
1 stop8h 14m
American Airlines
Deal found 6/11$597
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:00 am
STL
-
CTG
2 stops9h 14m
American Airlines
Tue 3/28:00 am
CTG
-
STL
2 stops13h 18m
American Airlines
Deal found 6/11$602
This Delta deal was found by Cheapflights users on 6/7. 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.
Thu 11/56:00 am
STL
-
CTG
1 stop7h 15m
Delta
Wed 11/113:25 pm
CTG
-
STL
1 stop9h 14m
Delta
Deal found 6/7$608
This Air Canada deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:15 pm
STL
-
LIM
2 stops17h 30m
Air Canada
Sun 11/228:00 am
LIM
-
STL
1 stop32h 30m
Air Canada
Deal found 6/9$609
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 8/276:00 am
STL
-
CTG
1 stop7h 15m
Delta
Wed 9/94:25 am
CTG
-
STL
2 stops19h 12m
Delta
Deal found 6/8$611
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Mon 11/94:15 pm
STL
-
LIM
2 stops23h 15m
Multiple Airlines
Sun 11/225:35 pm
LIM
-
STL
2 stops46h 55m
Multiple Airlines
Deal found 6/8$637
This Avianca deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:15 pm
STL
-
BOG
1 stop12h 55m
Multiple Airlines
Thu 11/264:00 am
BOG
-
STL
2 stops13h 35m
Multiple Airlines
Deal found 6/11$638

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 June 12, 2026.

Round-trip from

$572
(American Airlines)

One-way from

$230
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,200
From Lambert-St Louis to South America
One-way flight from Lambert-St Louis to South America
Highest demand for flights based on searches. 12% potential increase in price ($119 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 2,558,603 searches. Data last updated June 12, 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

Price

Cheapest round-trip

St. LouisCartagena

STL - CTG

STLCTG

Lambert-St Louis

Thu 8/27

6:00 am-1:15 pm

1 stop7h 15m

Cartagena Rafael Nunez

Wed 9/9

4:25 am-11:37 pm

2 stops19h 12m

$572

St. LouisCartagena

STL - CTG

STLCTG

Lambert-St Louis

Fri 8/21

8:07 pm-2:15 pm

2 stops18h 08m

Cartagena Rafael Nunez

Tue 8/25

1:35 pm-9:24 am

2 stops19h 49m

$572

St. LouisCartagena

STL - CTG

STLCTG

Lambert-St Louis

Fri 7/10

6:13 pm-2:17 pm

2 stops20h 04m

Cartagena Rafael Nunez

Sat 7/18

3:17 pm-10:35 am

2 stops19h 18m

$593

St. LouisCartagena

STL - CTG

STLCTG

Lambert-St Louis

Thu 8/27

8:07 pm-2:15 pm

2 stops18h 08m

Cartagena Rafael Nunez

Wed 9/9

1:35 pm-10:20 am

2 stops20h 45m

$602

St. LouisBogotá

STL - BOG

STLBOG

Lambert-St Louis

Wed 9/2

8:55 am-2:00 am

2 stops17h 05m

Bogotá El Dorado

Mon 9/7

12:05 am-2:00 pm

1 stop13h 55m

$650

St. LouisCartagena

STL - CTG

STLCTG

Lambert-St Louis

Thu 7/23

5:48 pm-12:35 pm

2 stops18h 47m

Cartagena Rafael Nunez

Tue 7/28

3:17 pm-10:01 am

2 stops18h 44m

$652

St. LouisBogotá

STL - BOG

STLBOG

Lambert-St Louis

Wed 9/2

6:00 am-8:35 pm

2 stops14h 35m

Bogotá El Dorado

Tue 9/8

10:35 am-11:37 pm

2 stops13h 02m

$655

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Sat 8/22

5:30 pm-9:10 pm

2 stops27h 40m

Medellín Jose Maria Cordova Intl

Wed 8/26

9:45 am-12:02 pm

2 stops26h 17m

$669

St. LouisCartagena

STL - CTG

STLCTG

Lambert-St Louis

Fri 7/10

6:58 pm-1:09 pm

1 stop18h 11m

Cartagena Rafael Nunez

Sat 7/18

2:30 pm-8:19 am

1 stop17h 49m

$684

St. LouisBogotá

STL - BOG

STLBOG

Lambert-St Louis

Tue 8/4

6:00 am-1:40 pm

1 stop7h 40m

Bogotá El Dorado

Wed 8/5

2:55 pm-9:54 am

1 stop18h 59m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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.
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

What is the cheapest month to book a flight from St. Louis to South America?

Currently, July is the cheapest month in which you can book a flight from St. Louis to South America (average of $178). Flying from St. Louis to South America in June is currently the most expensive (average of $543). 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 far ahead should I book a flight from St. Louis to South America?

To ensure you get the cheapest price possible for a flight from St. Louis to South America, you should look to book at least 48 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 June 12, 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.

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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.
  • What airport do you fly from for flights from St. Louis to South America?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to South America from St. Louis.

  • How long is the flight from St. Louis to South America?

    A quick flight from St. Louis to South America can take about 7h 15m. Delta provides one of the quickest options available for as low as $572. Airlines will cover a distance of 2159 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from St. Louis to South America?

  • Can I find deals for flights from St. Louis to South America that include hotel bookings?

    Yes. In addition to deals on St. Louis to South America flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to South America?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to South America.

  • Can I find deals for business class flights from St. Louis to South America?

    Yes. Cheapflights offers flight deals from St. Louis to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to South America?

    Currently, July is the cheapest month in which you can book a flight from St. Louis to South America (average of $178). Flying from St. Louis to South America in June is currently the most expensive (average of $543). 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.

See more FAQs

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Alternative routes for St. Louis to South America

See prices for flight routes from nearby airports that may be better suited for you.

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 2,558,603 searches. Data last updated June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$536Average$981FlexibilityNo cancel feeOn-time81%
DeltaCheapest$563Average$1,004FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$574Average$926FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$615Average$675FlexibilityNo cancel feeOn-time69%

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