$136 Cheap Flights from St. Louis (STL) to Cartagena (CTG)

Find available prices by choosing your travel dates.

Cheap Flights from St. Louis to Cartagena (STL-CTG)

Prices were available within the past 7 days and start at $136 for one-way flights and $480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
United
United
United
Delta
American Airlines
LATAM Airlines Group
Copa
Flights from St. Louis (STL) to Cartagena (CTG)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Rafael Núñez Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, LATAM Airlines Group, United, avianca
Roundtrip price
$480
Distance
2159 mi

St. Louis to Cartagena Flights

The cheapest times to fly from St. Louis to Cartagena

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Cartagena are during the month of May. You can find some of the cheapest flights from St. Louis to Cartagena with Expedia's search tool and vast selection of airlines.

The best time to book a flight from St. Louis to Cartagena

Sunday is one of the best days to book for cheap flights from St. Louis to Cartagena: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from St. Louis to Cartagena

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Cartagena in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Cartagena flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Cartagena airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Rafael Nunez Intl. Airport (CTG) cost?
Discover the latest flight deals from STL to CTG by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to CTG?
The cheapest flights from STL to CTG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to CTG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STL to CTG. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Rafael Nunez Intl. Airport (CTG)?
You’ll need to take a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Rafael Nunez Intl. Airport (CTG). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from STL to CTG?
Usually you’ll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Rafael Nunez Intl. Airport (CTG)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Rafael Nunez Intl. Airport (CTG) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Rafael Nunez Intl. Airport (CTG) last-minute?
Holding off until right before your break to book your flight from STL to CTG often results in higher prices. Although you may find some last-minute offers, they aren’t always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a STL to CTG flight and hotel package?
You’ll generally save money by securing a STL to CTG flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After selecting your ideal flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Rafael Nunez Intl. Airport (CTG)?
It’s generally possible to reschedule or cancel your STL to CTG flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.