$69 Cheap Flights from St. Louis (STL) to Columbus (CMH)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH)

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Cheap Flights from St. Louis to Columbus (STL-CMH)

Prices were available within the past 7 days and start at $69 for one-way flights and $144 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Southwest Airlines
American Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
American Airlines
United
Delta
Frontier Airlines

Find the cheapest month to fly from St. Louis (STL) to Columbus (CMH)

August is typically the cheapest month to fly

From $166 - $602 per traveler.

Graph displaying average flight prices per month

Alternative airports near Columbus

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

Flights from St. Louis (STL) to Columbus (CMH)
Origin airport
Lambert-St. Louis Intl.
Destination airport
John Glenn Columbus Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$144
Distance
408 mi
Average flight time
2 hours 20 mins

St. Louis to Columbus Flights

The cheapest times to fly from St. Louis to Columbus

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

 

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

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

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 Columbus in 2025. You can also book with separate airlines for your outbound and return journeys, from $69 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 Columbus 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 Columbus 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 John Glenn Columbus Intl. Airport (CMH) cost?
Cheap return fares from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH) start at $186. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving STL on July 16 2025 and touching down at CMH. The price was last updated on June 19 2025 and has not changed since.
What is the cheapest month to fly from STL to CMH?
Grab a cheap ticket by booking your direct flight from STL to CMH in October. You can find a one-way Southwest Airlines flight for $111 leaving on October 6 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on June 19 2025 and remains unchanged.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH)?
Hop on a direct flight with Southwest Airlines and head straight from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH).
What is the cheapest airline that flies from STL to CMH?
Travel from STL to CMH with Southwest Airlines. This carrier currently has the lowest one-way fare on this route, starting from $128. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STL on July 29 2025. Prices were last updated on June 19 2025 and have not changed since.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH)?
On average, there is just 1 direct flight leaving from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH) every day. If this doesn't work for you, check out flights with layovers. Simply filter your search on Expedia to include one or two stops to discover the next best option.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH)?
More travelers fly between STL and CMH at 9 AM than at any other time of day. Rather go when it's quieter? Pick a flight outside the busiest times and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from STL to CMH?
If you travel on a Friday, you'll get the widest range of options for flights from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH).
What is the earliest flight from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH)?
Catch the earliest flight at around 8:20AM UTC-6, departing from Lambert-St. Louis Intl. Airport (STL). You'll be flying for approximately 1h 20m, reaching John Glenn Columbus Intl. Airport (CMH) at approximately 10:40AM UTC-5.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH)?
Flights from STL to CMH have an average travel time of 1 hour and 20 minutes. The total distance between these two airports is 410 mi.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be 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.
What airports do you fly into for Columbus from Lambert-St. Louis Intl. Airport (STL)?
John Glenn Columbus Intl. Airport (CMH) is the only airport in Columbus with direct flights from Lambert-St. Louis Intl. Airport (STL). Browse your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to John Glenn Columbus Intl. Airport (CMH) last-minute?
Booking your ticket from STL to CMH shortly before your getaway is generally more expensive. But if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to CMH flight and hotel package?
You'll typically save money by booking a STL to CMH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your ideal accommodations and flights, you can add 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 John Glenn Columbus Intl. Airport (CMH)?
If you reserved your STL to CMH flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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