$329 Cheap Flights from St. Louis (STL) to Santa Marta (SMR)

View $329 flight on Sun, Mar 22, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Santa Marta (SMR-Simon Bolivar)

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Cheap Flights from St. Louis to Santa Marta (STL-SMR)

Prices were available within the past 7 days and start at $329 for one-way flights and $576 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Mar 3 - Tue, Mar 10
STL
St. Louis
SMR
Santa Marta
$576 Roundtrip, found 3 days ago
$576
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. Louis to Santa Marta, returning Tue, Mar 10, priced at $576 found 3 days ago
United
Tue, Mar 3 - Wed, Mar 11
STL
St. Louis
SMR
Santa Marta
$585 Roundtrip, found 3 days ago
$585
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. Louis to Santa Marta, returning Wed, Mar 11, priced at $585 found 3 days ago
United
Tue, Mar 3 - Fri, Mar 6
STL
St. Louis
SMR
Santa Marta
$598 Roundtrip, found 3 days ago
$598
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. Louis to Santa Marta, returning Fri, Mar 6, priced at $598 found 3 days ago
United
Tue, Mar 3 - Sat, Mar 7
STL
St. Louis
SMR
Santa Marta
$607 Roundtrip, found 3 days ago
$607
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. Louis to Santa Marta, returning Sat, Mar 7, priced at $607 found 3 days ago
United
Mon, Mar 2 - Mon, Mar 9
STL
St. Louis
SMR
Santa Marta
$643 Roundtrip, found 3 days ago
$643
Roundtrip
found 3 days ago
Select United flight, departing Mon, Mar 2 from St. Louis to Santa Marta, returning Mon, Mar 9, priced at $643 found 3 days ago
Delta
Sun, Mar 1 - Tue, Mar 10
STL
St. Louis
SMR
Santa Marta
$648 Roundtrip, found 3 days ago
$648
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Mar 1 from St. Louis to Santa Marta, returning Tue, Mar 10, priced at $648 found 3 days ago
Delta
Sun, Mar 1 - Sun, Mar 8
STL
St. Louis
SMR
Santa Marta
$650 Roundtrip, found 3 days ago
$650
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Mar 1 from St. Louis to Santa Marta, returning Sun, Mar 8, priced at $650 found 3 days ago
United
Sat, Mar 7 - Mon, Mar 9
STL
St. Louis
SMR
Santa Marta
$652 Roundtrip, found 3 days ago
$652
Roundtrip
found 3 days ago
Select United flight, departing Sat, Mar 7 from St. Louis to Santa Marta, returning Mon, Mar 9, priced at $652 found 3 days ago
LATAM Airlines Group
Sun, Mar 1 - Mon, Mar 9
STL
St. Louis
SMR
Santa Marta
$678 Roundtrip, found 3 days ago
$678
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sun, Mar 1 from St. Louis to Santa Marta, returning Mon, Mar 9, priced at $678 found 3 days ago
avianca
Sat, Jan 24 - Sat, Jan 31
STL
St. Louis
SMR
Santa Marta
$1,228 Roundtrip, found 1 day ago
$1,228
Roundtrip
found 1 day ago
Select avianca flight, departing Sat, Jan 24 from St. Louis to Santa Marta, returning Sat, Jan 31, priced at $1,228 found 1 day ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Simon Bolivar Airport (SMR) cost?
Grab a cheap one-way flight from $329 or cheap return flight from $576 from Lambert-St. Louis Intl. Airport (STL) to Simon Bolivar Airport (SMR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Simon Bolivar Airport (SMR)?
Flying in March can help you save, as it's the cheapest month for flights between STL and SMR. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Simon Bolivar Airport (SMR)?
To find the cheapest airline flying from STL to SMR, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Simon Bolivar Airport (SMR)?
There aren't any daily direct flights departing from Lambert-St. Louis Intl. Airport (STL) to Simon Bolivar Airport (SMR). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from STL to SMR?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Simon Bolivar Airport (SMR)?
To reach Simon Bolivar Airport (SMR) on time, choose a flight that leaves from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Simon Bolivar Airport (SMR) last-minute?
Booking your plane ticket from STL to SMR shortly before your getaway is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to SMR flight and hotel package?
Securing a STL to SMR flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Simon Bolivar Airport (SMR)?
In most cases, you're able to cancel or reschedule your STL to SMR flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further details, head to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Simon Bolivar
Airlines serving
LATAM Airlines Group, avianca
Roundtrip price
$576
Distance
2151 mi

Book with confidence

St. Louis to Santa Marta Flights

The cheapest times to fly from St. Louis to Santa Marta

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

 

The best time to book a flight from St. Louis to Santa Marta

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

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 Santa Marta in 2025. You can also book with separate airlines for your outbound and return journeys, from $329 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 Santa Marta 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 Santa Marta 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.

 

St. Louis to Santa Marta Flights

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*Available to One Key members.