What airlines fly to South America?

American Airlines, Delta and LATAM Airlines are the top three most popular airlines that fly to South America from St. Louis according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to South America. Keep in mind that there are 4 different airlines that fly to South America on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Lambert-St Louis to South America?

Frontier, American Airlines, and Delta are the most popular carriers operating from Lambert-St Louis to South America

When did momondo last update prices for flights from Lambert-St Louis Airport to South America?

Prices for flights from Lambert-St Louis Airport to South America were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to South America?

The number of operators available for flights from Lambert-St Louis Airport to South America is 4 as of September 2026.

How old do you have to be to fly from Lambert-St Louis Airport to South America?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to South America.

What documentation or ID do you need to fly to South America?

The travel and health documents you'll need for your trip to South America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$241 Cheap Flights from St. Louis to South America in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to South America

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:02 am - 3:36 pmSTL Lambert-St Louis-CTG Cartagena Rafael Nunez

9h 34m1 stop Miami

2:35 pm - 9:47 pmCTG Cartagena Rafael Nunez-STL Lambert-St Louis

8h 12m1 stop Miami

$578American Airlines

Sat, Nov 7 - Sat, Nov 14

5:00 am - 11:30 pmSTL Lambert-St Louis-BOG Bogotá El Dorado

17h 30m1 stop Dallas/Fort Worth

7:50 am - 9:47 pmBOG Bogotá El Dorado-STL Lambert-St Louis

14h 57m1 stop Miami

$581American Airlines

Tue, Nov 3 - Tue, Nov 10

6:00 am - 7:30 pmSTL Lambert-St Louis-BOG Bogotá El Dorado

12h 30m1 stop Atlanta Hartsfield-Jackson

3:55 pm - 11:56 pmBOG Bogotá El Dorado-STL Lambert-St Louis

9h 01m1 stop Atlanta Hartsfield-Jackson

$581Delta

Wed, Nov 4 - Wed, Nov 11

6:00 am - 7:30 pmSTL Lambert-St Louis-BOG Bogotá El Dorado

12h 30m1 stop Atlanta Hartsfield-Jackson

3:55 pm - 11:39 pmBOG Bogotá El Dorado-STL Lambert-St Louis

8h 44m1 stop Atlanta Hartsfield-Jackson

$582Delta

Mon, Nov 23 - Tue, Jan 19

12:00 pm - 7:15 pmSTL Lambert-St Louis-BOG Bogotá El Dorado

7h 15m1 stop Atlanta Hartsfield-Jackson

3:55 pm - 9:09 amBOG Bogotá El Dorado-STL Lambert-St Louis

17h 14m1 stop Atlanta Hartsfield-Jackson

$582LATAM Airlines

Thu, Oct 22 - Mon, Oct 26

7:20 pm - 1:40 pmSTL Lambert-St Louis-BOG Bogotá El Dorado

18h 20m1 stop Atlanta Hartsfield-Jackson

3:55 pm - 9:09 amBOG Bogotá El Dorado-STL Lambert-St Louis

17h 14m1 stop Atlanta Hartsfield-Jackson

$582LATAM Airlines

Wed, Oct 21 - Mon, Oct 26

6:50 pm - 10:35 pmSTL Lambert-St Louis-BOG Bogotá El Dorado

26h 45m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

1:30 am - 2:34 pmBOG Bogotá El Dorado-STL Lambert-St Louis

14h 04m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$586United Airlines

Wed, Nov 4 - Tue, Nov 10

8:30 am - 10:35 pmSTL Lambert-St Louis-BOG Bogotá El Dorado

13h 05m1 stop Houston George Bush Intcntl

1:30 am - 9:40 pmBOG Bogotá El Dorado-STL Lambert-St Louis

21h 10m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$586United Airlines

Tue, Nov 3 - Mon, Nov 9

5:59 pm - 12:00 pmSTL Lambert-St Louis-MDE Medellín Jose Maria Cordova Intl

17h 01m1 stop Orlando

1:10 pm - 10:20 amMDE Medellín Jose Maria Cordova Intl-STL Lambert-St Louis

22h 10m2 stops Orlando Denver Intl

$598Frontier

Mon, Jan 25 - Tue, Feb 2

9:59 am - 5:32 pmSTL Lambert-St Louis-CLO Cali Alfonso B. Aragon Intl

30h 33m2 stops Newark Panama City Tocumen Intl

9:40 pm - 9:52 pmCLO Cali Alfonso B. Aragon Intl-STL Lambert-St Louis

25h 12m2 stops Bogotá El Dorado Newark

$762Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

Cheap last minute flights

Enter your travel dates to find the best prices.

10:05 am - 7:15 pmSTL Lambert-St Louis-BOG Bogotá El Dorado

9h 10m1 stop Atlanta Hartsfield-Jackson

2:55 pm - 11:42 pmBOG Bogotá El Dorado-STL Lambert-St Louis

8h 47m1 stop Atlanta Hartsfield-Jackson

$839LATAM Airlines

Mon, Sep 28 - Tue, Sep 29

6:00 am - 1:40 pmSTL Lambert-St Louis-BOG Bogotá El Dorado

7h 40m1 stop Atlanta Hartsfield-Jackson

6:30 pm - 10:55 amBOG Bogotá El Dorado-STL Lambert-St Louis

16h 25m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$840Delta

Mon, Sep 28 - Tue, Sep 29

7:01 pm - 5:30 amSTL Lambert-St Louis-BOG Bogotá El Dorado

10h 29m1 stop Chicago O'Hare Intl

2:05 pm - 9:41 amBOG Bogotá El Dorado-STL Lambert-St Louis

19h 36m3 stops San José Juan Santamaria Intl Guatemala City La Aurora Washington, D.C. Dulles Intl

$965Avianca

Mon, Sep 28 - Tue, Sep 29

4:59 pm - 5:00 amSTL Lambert-St Louis-LIM Lima J Chavez Intl

12h 01m1 stop Atlanta Hartsfield-Jackson

12:05 am - 10:51 amLIM Lima J Chavez Intl-STL Lambert-St Louis

10h 46m1 stop Atlanta Hartsfield-Jackson

$994LATAM Airlines

Tue, Sep 29 - Fri, Oct 9

6:00 am - 9:35 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

15h 35m2 stops Atlanta Hartsfield-Jackson Bogotá El Dorado

12:05 am - 7:56 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

19h 51m1 stop Atlanta Hartsfield-Jackson

$994LATAM Airlines

Tue, Sep 29 - Fri, Oct 9

8:00 am - 11:00 pmSTL Lambert-St Louis-LIM Lima J Chavez Intl

15h 00m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

12:55 am - 10:58 pmLIM Lima J Chavez Intl-STL Lambert-St Louis

22h 03m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,037Azul

Tue, Sep 29 - Fri, Oct 9

4:59 pm - 9:45 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

14h 46m1 stop Atlanta Hartsfield-Jackson

4:45 pm - 10:51 amEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

20h 06m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$1,248Delta

Mon, Sep 28 - Tue, Oct 6

12:00 pm - 9:45 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

19h 45m1 stop Atlanta Hartsfield-Jackson

8:10 pm - 10:51 amEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

16h 41m1 stop Atlanta Hartsfield-Jackson

$1,248Delta

Mon, Sep 28 - Tue, Oct 6

8:35 am - 8:00 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

21h 25m1 stop Houston George Bush Intcntl

9:00 pm - 2:10 pmEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

19h 10m1 stop Houston George Bush Intcntl

$1,278United Airlines

Sat, Sep 26 - Mon, Sep 28

8:35 am - 8:00 amSTL Lambert-St Louis-EZE Buenos Aires Ministro Pistarini

21h 25m1 stop Houston George Bush Intcntl

9:00 pm - 2:17 pmEZE Buenos Aires Ministro Pistarini-STL Lambert-St Louis

19h 17m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,282United Airlines

Sat, Sep 26 - Mon, Sep 28

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Delta flights from St. Louis to South America

Our best Delta deals on St. Louis to South America flight tickets

Delta

Nov 4

STL6:00 amLambert-St Louis

12h 30m

1 stop

BOG7:30 pmBogotá El Dorado

Nov 11

BOG3:55 pmBogotá El Dorado

9h 01m

1 stop

STL11:56 pmLambert-St Louis

$581

Delta

Oct 23

STL7:20 pmLambert-St Louis

18h 20m

1 stop

BOG1:40 pmBogotá El Dorado

Oct 26

BOG10:45 amBogotá El Dorado

13h 09m

2 stops

STL11:54 pmLambert-St Louis

$602

Delta

Jan 16

STL3:40 pmLambert-St Louis

21h 45m

1 stop

BOG2:25 pmBogotá El Dorado

Jan 23

BOG3:55 pmBogotá El Dorado

8h 44m

1 stop

STL11:39 pmLambert-St Louis

$638

United Airlines flights from St. Louis to South America

Our best United Airlines deals on St. Louis to South America flight tickets

United Airlines

Nov 4

STL6:50 pmLambert-St Louis

26h 45m

2 stops

BOG10:35 pmBogotá El Dorado

Nov 10

BOG1:30 amBogotá El Dorado

14h 04m

2 stops

STL2:34 pmLambert-St Louis

$586

United Airlines

Nov 6

STL6:15 amLambert-St Louis

15h 20m

1 stop

BOG10:35 pmBogotá El Dorado

Nov 7

BOG1:30 amBogotá El Dorado

16h 20m

1 stop

STL4:50 pmLambert-St Louis

$612

United Airlines

Nov 6

STL6:15 amLambert-St Louis

15h 20m

1 stop

BOG10:35 pmBogotá El Dorado

Nov 8

BOG8:15 amBogotá El Dorado

28h 55m

2 stops

STL12:10 pmLambert-St Louis

$617

momondo Fare Finder

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

Quickest round-trip

St. LouisCartagena

STL Lambert-St Louis - CTG Cartagena Rafael Nunez

STLCTG

Lambert-St Louis

Sat 11/7

5:02 am-3:36 pm

1 stop9h 34m

Cartagena Rafael Nunez

Sat 11/14

2:35 pm-9:47 pm

1 stop8h 12m

$578

St. LouisBogotá

STL Lambert-St Louis - BOG Bogotá El Dorado

STLBOG

Lambert-St Louis

Tue 11/3

5:00 am-11:30 pm

1 stop17h 30m

Bogotá El Dorado

Tue 11/10

7:50 am-9:47 pm

1 stop14h 57m

$581

St. LouisBogotá

STL Lambert-St Louis - BOG Bogotá El Dorado

STLBOG

Lambert-St Louis

Wed 11/4

6:00 am-7:30 pm

1 stop12h 30m

Bogotá El Dorado

Wed 11/11

3:55 pm-11:56 pm

1 stop9h 01m

$581

St. LouisBogotá

STL Lambert-St Louis - BOG Bogotá El Dorado

STLBOG

Lambert-St Louis

Mon 11/23

6:00 am-7:30 pm

1 stop12h 30m

Bogotá El Dorado

Tue 1/19

3:55 pm-11:39 pm

1 stop8h 44m

$582

St. LouisBogotá

STL Lambert-St Louis - BOG Bogotá El Dorado

STLBOG

Lambert-St Louis

Thu 10/22

12:00 pm-7:15 pm

1 stop7h 15m

Bogotá El Dorado

Mon 10/26

3:55 pm-9:09 am

1 stop17h 14m

$582

St. LouisBogotá

STL Lambert-St Louis - BOG Bogotá El Dorado

STLBOG

Lambert-St Louis

Wed 10/21

7:20 pm-1:40 pm

1 stop18h 20m

Bogotá El Dorado

Mon 10/26

3:55 pm-9:09 am

1 stop17h 14m

$582

St. LouisBogotá

STL Lambert-St Louis - BOG Bogotá El Dorado

STLBOG

Lambert-St Louis

Wed 11/4

6:50 pm-10:35 pm

2 stops26h 45m

Bogotá El Dorado

Tue 11/10

1:30 am-2:34 pm

2 stops14h 04m

$586

St. LouisBogotá

STL Lambert-St Louis - BOG Bogotá El Dorado

STLBOG

Lambert-St Louis

Tue 11/3

8:30 am-10:35 pm

1 stop13h 05m

Bogotá El Dorado

Mon 11/9

1:30 am-9:40 pm

2 stops21h 10m

$586

St. LouisMedellín

STL Lambert-St Louis - MDE Medellín Jose Maria Cordova Intl

STLMDE

Lambert-St Louis

Mon 1/25

5:59 pm-12:00 pm

1 stop17h 01m

Medellín Jose Maria Cordova Intl

Tue 2/2

1:10 pm-10:20 am

2 stops22h 10m

$598

St. LouisCali

STL Lambert-St Louis - CLO Cali Alfonso B. Aragon Intl

STLCLO

Lambert-St Louis

Tue 11/3

9:59 am-5:32 pm

2 stops30h 33m

Cali Alfonso B. Aragon Intl

Mon 11/9

9:40 pm-9:52 pm

2 stops25h 12m

$762

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to South America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to South America?

In general, October is the cheapest month to fly from St. Louis to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $831. If you aren’t able to travel during the month of October, then book flights to South America from St. Louis during September instead. Flights to South America in September, while not as cheap as those in October, still average around $849.

Can stopping save me money on St. Louis to South America flights?

You could potentially save up to 8% on your flight if you consider stops on a St. Louis to South America flight.

Cheap St. Louis to South America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to South America

Best Price Found	$241
Fastest flight time	7h 15m
Direct flights	None

The best one-way flight to South America from St. Louis in the past 72 hours is $241. The best round-trip flight deal from St. Louis to South America found on momondo in the last 72 hours is $578.

The fastest flight from St. Louis to South America takes 7h 15m

There are no direct flights from St. Louis to South America. There are no popular flight routes from St. Louis to South America.

Search flight deals

Frequently asked questions about flying from St. Louis to South America

When did momondo last update prices for flights from Lambert-St Louis Airport to South America?
Prices for flights from Lambert-St Louis Airport to South America were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to South America?
The number of operators available for flights from Lambert-St Louis Airport to South America is 4 as of September 2026.
How old do you have to be to fly from Lambert-St Louis Airport to South America?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to South America.
What documentation or ID do you need to fly to South America?
The travel and health documents you'll need for your trip to South America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to South America

Compare and see reviews for airlines that fly from St. Louis to South America with momondo

Airline	Rating	Free Cancellation	Price
LATAM Airlines	PriceFrom $536	Free Cancellation	Rating 7.4 1,980 reviews	Search LATAM Airlines flights
Delta	PriceFrom $541	Free Cancellation	Rating 7.8 8,594 reviews	Search Delta flights
American Airlines	PriceFrom $563	Free Cancellation	Rating 7.0 12,074 reviews	Search American Airlines flights
United Airlines	PriceFrom $615	Free Cancellation	Rating 7.4 10,233 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to South America?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to South America. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to South America with flexible booking policies on momondo?

momondo does allow users to show only those flights to South America from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to South America?

Once all potential St. Louis to South America flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to South America right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to South America from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.