Medellín

$489+ Cheap flights from St. Louis (STL) to Medellín

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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MDE
Mar 24 — Mar 311
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Medellín 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 Medellín

Cheapest flights from St. Louis to Medellín
Explore the most affordable flight options available from St. Louis to Medellín. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/21. 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 4/174:59 pm
STL
-
MDE
1 stop16h 50m
Multiple Airlines
Tue 4/2110:51 am
MDE
-
STL
2 stops19h 59m
Multiple Airlines
Deal found 2/21$489
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/228:23 pm
STL
-
MDE
2 stops40h 45m
Multiple Airlines
Wed 4/2910:51 am
MDE
-
STL
1 stop12h 28m
Multiple Airlines
Deal found 2/20$495
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/104:51 pm
STL
-
MDE
2 stops25h 36m
Multiple Airlines
Tue 3/311:52 pm
MDE
-
STL
1 stop9h 27m
Multiple Airlines
Deal found 2/20$564
This Booking.com deal was found by Cheapflights users on 2/20. 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.
Mon 4/64:05 pm
STL
-
MDE
2 stops17h 05m
Multiple Airlines
Mon 4/139:55 am
MDE
-
STL
2 stops22h 30m
Multiple Airlines
Deal found 2/20$573
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/2211:06 am
STL
-
MDE
1 stop9h 09m
American Airlines
Wed 4/296:00 am
MDE
-
STL
1 stop16h 24m
American Airlines
Deal found 2/20$580
This Expedia deal was found by Cheapflights users on 2/20. 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.
Fri 5/227:30 am
STL
-
MDE
2 stops26h 20m
Multiple Airlines
Sun 5/312:10 pm
MDE
-
STL
2 stops29h 54m
Multiple Airlines
Deal found 2/20$636

Find flight deals from St. Louis to Medellín

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Medellín (CO1). 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 February 22, 2026.

Round-trip from

$489
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$782
From Lambert-St Louis to Medellín
Highest demand for flights based on searches. 5% potential increase in price ($45 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Medellín 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 February 22, 2026.
Use the filters below to find and compare flights from St. Louis to Medellín that are best for you.

Fly from

St. Louis

Fly to

Medellín

Route

Depart

Return

Price

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Wed 4/22

8:23 pm-1:08 pm

2 stops40h 45m

Medellín Jose Maria Cordova Intl

Wed 4/29

10:51 am-11:19 pm

1 stop12h 28m

$495

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Fri 4/17

4:59 pm-9:49 am

1 stop16h 50m

Medellín Jose Maria Cordova Intl

Tue 4/21

10:51 am-11:19 pm

1 stop12h 28m

$508

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Mon 4/6

4:05 pm-9:10 am

2 stops17h 05m

Medellín Jose Maria Cordova Intl

Mon 4/13

9:55 am-8:25 am

2 stops22h 30m

$573

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Wed 4/22

5:20 am-8:15 pm

2 stops14h 55m

Medellín Jose Maria Cordova Intl

Wed 4/29

6:00 am-7:29 pm

2 stops13h 29m

$585

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Fri 5/22

7:30 am-8:45 am

2 stops25h 15m

Medellín Jose Maria Cordova Intl

Sun 5/31

2:10 pm-8:04 pm

2 stops29h 54m

$636

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Tue 3/10

9:50 am-1:13 pm

3 stops27h 23m

Medellín Jose Maria Cordova Intl

Mon 3/30

1:17 am-6:36 pm

3 stops17h 19m

$637

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Sun 4/5

11:21 am-9:25 pm

2 stops34h 04m

Medellín Jose Maria Cordova Intl

Sun 4/12

1:52 pm-7:51 am

1 stop17h 59m

$640

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Tue 3/3

4:49 pm-6:15 pm

2 stops24h 26m

Medellín Jose Maria Cordova Intl

Wed 3/11

4:45 am-7:13 pm

2 stops14h 28m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Best time to book a flight from St. Louis to Medellín

Have a flexible travel schedule? Discover the best time to fly to Medellín 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 Medellín

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Medellín (average of $307). Flying from St. Louis to Medellín in March is currently the most expensive (average of $789). 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 Medellín

Get insights into the airlines that provide service to Medellín. 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 Medellín. Reviews last updated February 22, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from St. Louis to Medellín by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Medellín. 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 Medellín?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Medellín. You should not have trouble finding flights to Medellín from Lambert-St Louis; the airport handles an average of 0 outbound flights to Medellín per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the St. Louis airport to Medellín. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

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

    American Airlines can get you from St. Louis to Medellín in just under 14h 55m. Your travel time can differ by up to . The distance between St. Louis and Medellín is about 2436 mi.

  • What are the cheapest airlines flying from St. Louis to Medellín round-trip?

    American Airlines, at $565, was found to be the cheapest airline from St. Louis to Medellín. An alternate airline flying to your destination would be United Airlines. These flights start at 23% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Medellín 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 Medellín?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Medellín (average of $307). Flying from St. Louis to Medellín in March is currently the most expensive (average of $789). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from St. Louis to Medellín

Discover the top 2 airlines that operate flights from St. Louis to Medellín. 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 February 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$565Average$655FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$565Average$782FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.