$379 Cheap Flights from Cartagena (CTG) to St. Louis (STL)

View $379 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Rafael Nunez Intl. Airport (CTG) to St. Louis Lambert Intl. Airport (STL)

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

Prices were available within the past 7 days and start at $379 for one-way flights and $565 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Fri, Apr 24 - Tue, Apr 28
CTG
Cartagena
STL
St. Louis
$565 Roundtrip, found 4 days ago
$565
Roundtrip
found 4 days ago
Select avianca flight, departing Fri, Apr 24 from Cartagena to St. Louis, returning Tue, Apr 28, priced at $565 found 4 days ago
avianca
Fri, Apr 24 - Tue, Apr 28
CTG
Cartagena
STL
St. Louis
$582 Roundtrip, found 4 days ago
$582
Roundtrip
found 4 days ago
Select avianca flight, departing Fri, Apr 24 from Cartagena to St. Louis, returning Tue, Apr 28, priced at $582 found 4 days ago
avianca
Fri, Apr 24 - Tue, Apr 28
CTG
Cartagena
STL
St. Louis
$584 Roundtrip, found 4 days ago
$584
Roundtrip
found 4 days ago
Select avianca flight, departing Fri, Apr 24 from Cartagena to St. Louis, returning Tue, Apr 28, priced at $584 found 4 days ago
United
Thu, Oct 9 - Mon, Oct 13
CTG
Cartagena
STL
St. Louis
$586 Roundtrip, found 2 days ago
$586
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from Cartagena to St. Louis, returning Mon, Oct 13, priced at $586 found 2 days ago
avianca
Thu, Oct 9 - Mon, Oct 13
CTG
Cartagena
STL
St. Louis
$588 Roundtrip, found 2 days ago
$588
Roundtrip
found 2 days ago
Select avianca flight, departing Thu, Oct 9 from Cartagena to St. Louis, returning Mon, Oct 13, priced at $588 found 2 days ago
United
Mon, Oct 6 - Sat, Oct 11
CTG
Cartagena
STL
St. Louis
$597 Roundtrip, found 2 days ago
$597
Roundtrip
found 2 days ago
Select United flight, departing Mon, Oct 6 from Cartagena to St. Louis, returning Sat, Oct 11, priced at $597 found 2 days ago
United
Mon, Oct 6 - Thu, Oct 16
CTG
Cartagena
STL
St. Louis
$603 Roundtrip, found 2 days ago
$603
Roundtrip
found 2 days ago
Select United flight, departing Mon, Oct 6 from Cartagena to St. Louis, returning Thu, Oct 16, priced at $603 found 2 days ago
Copa
Thu, Oct 9 - Mon, Oct 13
CTG
Cartagena
STL
St. Louis
$610 Roundtrip, found 2 days ago
$610
Roundtrip
found 2 days ago
Select Copa flight, departing Thu, Oct 9 from Cartagena to St. Louis, returning Mon, Oct 13, priced at $610 found 2 days ago
American Airlines
Thu, Oct 9 - Mon, Oct 13
CTG
Cartagena
STL
St. Louis
$620 Roundtrip, found 2 days ago
$620
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 9 from Cartagena to St. Louis, returning Mon, Oct 13, priced at $620 found 2 days ago
Delta
Sat, Oct 11 - Wed, Oct 15
CTG
Cartagena
STL
St. Louis
$626 Roundtrip, found 2 days ago
$626
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 11 from Cartagena to St. Louis, returning Wed, Oct 15, priced at $626 found 2 days ago

Find the cheapest month to fly from Cartagena (CTG) to St. Louis (STL)

February is typically the cheapest month to fly

From $473 - $1,005 per traveler.

Graph displaying average flight prices per month

Flights from Cartagena (CTG) to St. Louis (STL)
Origin airport
Rafael Núñez Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$564
Distance
2159 mi

Cartagena to St. Louis Flights

The cheapest times to fly from Cartagena to St. Louis

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 Cartagena to St. Louis are during the month of April. You can find some of the cheapest flights from Cartagena to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Cartagena to St. Louis: 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 Cartagena to St. Louis

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 Cartagena to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $379 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 Cartagena to St. Louis 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 Cartagena to St. Louis 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 Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight from $379 or cheap return flight from $565 from Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL)?
Traveling in April is a good way to save, as it's the cheapest month for flights between CTG and STL. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CTG to STL flight.
How many flights per day from Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL)?
Nonstop flights from Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CTG to STL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL) route, fly 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 Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your ticket from CTG to STL right before your journey is generally more expensive. But if there's some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a CTG to STL flight and hotel package?
You'll typically save money by booking a CTG to STL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your preferred accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Rafael Nunez Intl. Airport (CTG) to Lambert-St. Louis Intl. Airport (STL)?
Typically, you can reschedule or cancel your CTG to STL flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.