HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Medellín

$232+ Cheap flights from St. Louis (STL) to Medellín

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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MDE
Feb 22 — Mar 11
Sun 2/22
Sun 3/1
1 adult, Economy
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 January 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/95:42 pm
STL
-
MDE
1 stop19h 13m
Multiple Airlines
Thu 2/122:50 pm
MDE
-
STL
1 stop10h 09m
Multiple Airlines
Deal found 1/22$308
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 1/315:42 pm
STL
-
MDE
2 stops34h 26m
Multiple Airlines
Sat 2/72:50 pm
MDE
-
STL
1 stop9h 43m
Multiple Airlines
Deal found 1/22$360
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Sat 3/74:21 pm
STL
-
MDE
1 stop19h 34m
Multiple Airlines
Sat 3/1410:49 am
MDE
-
STL
1 stop9h 19m
Multiple Airlines
Deal found 1/20$496
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 1/295:42 pm
STL
-
MDE
2 stops37h 36m
Multiple Airlines
Thu 2/52:50 pm
MDE
-
STL
1 stop9h 43m
Multiple Airlines
Deal found 1/22$538
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:10 am
STL
-
MDE
1 stop10h 55m
United Airlines
Wed 3/119:45 am
MDE
-
STL
1 stop12h 31m
United Airlines
Deal found 1/21$628
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 3/76:53 pm
STL
-
MDE
2 stops18h 13m
American Airlines
Fri 3/1312:20 am
MDE
-
STL
2 stops13h 01m
American Airlines
Deal found 1/20$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 January 23, 2026.

Round-trip from

$308
(Kiwi.com)

One-way from

$232
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$655
From Lambert-St Louis to Medellín
Search Deals
One-way flight from Lambert-St Louis to Medellín
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 23, 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

Mon 2/9

8:22 pm-2:15 pm

2 stops16h 53m

Medellín Jose Maria Cordova Intl

Thu 2/12

2:50 pm-11:59 pm

1 stop10h 09m

$329

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Sat 3/7

4:21 pm-12:55 pm

1 stop19h 34m

Medellín Jose Maria Cordova Intl

Sat 3/14

10:49 am-8:08 pm

1 stop9h 19m

$496

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Tue 3/3

10:10 am-10:05 pm

1 stop10h 55m

Medellín Jose Maria Cordova Intl

Wed 3/11

9:45 am-10:16 pm

1 stop12h 31m

$628

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Tue 3/3

5:14 am-9:10 pm

1 stop14h 56m

Medellín Jose Maria Cordova Intl

Wed 3/11

7:00 am-5:40 pm

1 stop10h 40m

$628

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Sat 3/7

6:53 pm-2:06 pm

2 stops18h 13m

Medellín Jose Maria Cordova Intl

Fri 3/13

12:20 am-1:21 pm

2 stops13h 01m

$636

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Tue 6/16

5:00 am-9:10 pm

2 stops16h 10m

Medellín Jose Maria Cordova Intl

Tue 6/23

9:45 am-9:42 am

1 stop23h 57m

$651

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Mon 2/23

6:00 am-10:05 pm

1 stop15h 05m

Medellín Jose Maria Cordova Intl

Thu 2/26

10:45 am-10:14 pm

1 stop12h 29m

$652

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Sat 3/28

4:21 pm-9:51 am

1 stop17h 30m

$232

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Fri 5/22

7:30 am-2:05 am

2 stops18h 35m

$282

St. LouisMedellín

STL - MDE

STLMDE

Lambert-St Louis

Sat 5/23

7:30 am-12:32 pm

2 stops29h 02m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 12 results
1
2

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 February is currently the most expensive (average of $782). 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 much does it cost to fly round-trip from St. Louis to Medellín?

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 January 23, 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.
United Airlines
7.4
Good
9,195 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

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
United Airlines
7.4
Good
9,195 reviews
United Airlines
7.4
Good
9,195 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

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
American Airlines
7.2
Good
11,176 reviews
United Airlines
7.4
Good
9,195 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

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?

    United Airlines and American Airlines can get you from St. Louis to Medellín in just under 10h 55m. Your travel time can differ by up to 4h 01m. The distance between St. Louis and Medellín is about 2436 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    United Airlines, at $555, was found to be the cheapest airline from St. Louis to Medellín. An alternate airline flying to your destination would be American Airlines. These flights start at 21% 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 February is currently the most expensive (average of $782). 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 January 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$555Average$655FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$565Average$771FlexibilityNo 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.