Cheap Flights from Clarksville (CKV) to St. Louis (STL)

Popular airlines from Clarksville, TN (CKV-Outlaw Field) to St. Louis Lambert Intl. Airport (STL)

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Flights from Clarksville (CKV) to St. Louis (STL)
Origin airport
Outlaw Field
Destination airport
Lambert-St. Louis Intl.
Distance
217 mi

Clarksville to St. Louis Flights

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

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

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

Is it cheaper to buy a plane ticket from CKV to Lambert-St. Louis Intl. Airport (STL) last minute?
When it comes to booking your flights, being prepared pays dividends. While you may be able to score a last-minute deal on a CKV to Lambert-St. Louis Intl. Airport (STL) flight, fares usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international travel it’s between three and four months.
What airports do you fly into for St. Louis from Clarksville?
Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS) are your options when traveling from Clarksville to St. Louis. About 12 mi northwest of the heart of St. Louis, Lambert-St. Louis Intl. Airport (STL) is the city’s main gateway. Think about things like flight schedules and the distance to your hotel before choosing an airport. Busch Stadium and Gateway Arch are a couple of amazing attractions to put on your itinerary when you arrive at your destination.
Can I change the date of my flight from CKV to Lambert Field?
Make changes quickly to your CKV to STL journey through the Expedia Trips portal. But before you make any adjustments, check out the ticket rules in your itinerary to see what the carrier will let you do and what fees apply for changes. Some airlines have a change fee per person, in addition to any difference in fares. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also find your way to our Customer Service portal for more useful advice and to connect with our Virtual Agent.

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