$195 Cheap Flights from Columbia (COU) to St. Louis (STL)

View $195 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Columbia, MO (COU-Columbia Regional) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Columbia to St. Louis (COU-STL)

Prices were available within the past 7 days and start at $195 for one-way flights and $302 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Feb 11 - Sat, Feb 14
COU
Columbia
STL
St. Louis
$302 Roundtrip, found 10 hours ago
$302
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Feb 11 from Columbia to St. Louis, returning Sat, Feb 14, priced at $302 found 10 hours ago
United
Thu, Feb 12 - Tue, Feb 17
COU
Columbia
STL
St. Louis
$385 Roundtrip, found 10 hours ago
$385
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Feb 12 from Columbia to St. Louis, returning Tue, Feb 17, priced at $385 found 10 hours ago
American Airlines
Mon, Nov 24 - Mon, Dec 8
COU
Columbia
STL
St. Louis
$397 Roundtrip, found 23 hours ago
$397
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Columbia to St. Louis, returning Mon, Dec 8, priced at $397 found 23 hours ago
United
Tue, Dec 9 - Tue, Dec 23
COU
Columbia
STL
St. Louis
$415 Roundtrip, found 23 hours ago
$415
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Dec 9 from Columbia to St. Louis, returning Tue, Dec 23, priced at $415 found 23 hours ago
United
Thu, Feb 12 - Sat, Feb 14
COU
Columbia
STL
St. Louis
$422 Roundtrip, found 10 hours ago
$422
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Feb 12 from Columbia to St. Louis, returning Sat, Feb 14, priced at $422 found 10 hours ago
United
Sun, Nov 23 - Wed, Dec 10
COU
Columbia
STL
St. Louis
$427 Roundtrip, found 23 hours ago
$427
Roundtrip
found 23 hours ago
Select United flight, departing Sun, Nov 23 from Columbia to St. Louis, returning Wed, Dec 10, priced at $427 found 23 hours ago
United
Mon, Nov 24 - Sat, Dec 13
COU
Columbia
STL
St. Louis
$434 Roundtrip, found 23 hours ago
$434
Roundtrip
found 23 hours ago
Select United flight, departing Mon, Nov 24 from Columbia to St. Louis, returning Sat, Dec 13, priced at $434 found 23 hours ago
United
Sun, Dec 7 - Thu, Dec 25
COU
Columbia
STL
St. Louis
$435 Roundtrip, found 23 hours ago
$435
Roundtrip
found 23 hours ago
Select United flight, departing Sun, Dec 7 from Columbia to St. Louis, returning Thu, Dec 25, priced at $435 found 23 hours ago
United
Tue, Feb 10 - Fri, Feb 13
COU
Columbia
STL
St. Louis
$440 Roundtrip, found 10 hours ago
$440
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Feb 10 from Columbia to St. Louis, returning Fri, Feb 13, priced at $440 found 10 hours ago
American Airlines
Thu, Jan 1 - Sat, Jan 17
COU
Columbia
STL
St. Louis
$442 Roundtrip, found 23 hours ago
$442
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Thu, Jan 1 from Columbia to St. Louis, returning Sat, Jan 17, priced at $442 found 23 hours ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $556
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $556

Frequently asked questions

How much does a flight from Columbia Regional Airport (COU) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $195 or cheap return flight from $302 from Columbia Regional Airport (COU) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Columbia Regional Airport (COU) to Lambert-St. Louis Intl. Airport (STL)?
Traveling in February is a good way to save, as it's the cheapest month for flights between COU and STL. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Columbia Regional Airport (COU) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from COU to STL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Columbia Regional Airport (COU) to Lambert-St. Louis Intl. Airport (STL)?
Direct flights from Columbia Regional Airport (COU) 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 Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from COU to STL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Columbia Regional Airport (COU) to Lambert-St. Louis Intl. Airport (STL)?
To arrive at Lambert-St. Louis Intl. Airport (STL) on time, pick a flight that takes off from Columbia Regional Airport (COU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Columbia Regional Airport (COU) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from COU to STL right before your journey is typically more expensive. However, if you're flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a COU to STL flight and hotel package?
Securing a COU to STL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Columbia Regional Airport (COU) to Lambert-St. Louis Intl. Airport (STL)?
It's usually possible to reschedule or cancel your COU to STL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Columbia Regional
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, United
Roundtrip price
$301
Distance
100 mi

Book with confidence

Columbia to St. Louis Flights

The cheapest times to fly from Columbia 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 Columbia to St. Louis are during the month of February. You can find some of the cheapest flights from Columbia to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Columbia 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 Columbia 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 Columbia to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $195 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 Columbia 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 Columbia 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.

 

Columbia to St. Louis Flights

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*Available to One Key members.