$323 Cheap Flights from Columbus (CSG) to St. Louis (STL)

View $323 flight on Sun, Jul 20, 2025Opens in a new window

Popular airlines from Columbus, GA (CSG-Columbus Metropolitan) to St. Louis Lambert Intl. Airport (STL)

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

Prices were available within the past 7 days and start at $323 for one-way flights and $346 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jul 22 - Tue, Jul 29
CSG
Columbus
STL
St. Louis
$346 Roundtrip, found 5 days ago
$346
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jul 22 from Columbus to St. Louis, returning Tue, Jul 29, priced at $346 found 5 days ago
Delta
Wed, Jul 23 - Sun, Aug 3
CSG
Columbus
STL
St. Louis
$356 Roundtrip, found 5 days ago
$356
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jul 23 from Columbus to St. Louis, returning Sun, Aug 3, priced at $356 found 5 days ago
Delta
Wed, Jul 16 - Wed, Jul 23
CSG
Columbus
STL
St. Louis
$396 Roundtrip, found 2 days ago
$396
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jul 16 from Columbus to St. Louis, returning Wed, Jul 23, priced at $396 found 2 days ago
Delta
Sat, Jul 19 - Thu, Jul 24
CSG
Columbus
STL
St. Louis
$432 Roundtrip, found 3 days ago
$432
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jul 19 from Columbus to St. Louis, returning Thu, Jul 24, priced at $432 found 3 days ago
Delta
Sun, Jul 13 - Sat, Jul 19
CSG
Columbus
STL
St. Louis
$442 Roundtrip, found 5 days ago
$442
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Jul 13 from Columbus to St. Louis, returning Sat, Jul 19, priced at $442 found 5 days ago
Delta
Sun, Jul 13 - Tue, Jul 22
CSG
Columbus
STL
St. Louis
$446 Roundtrip, found 3 days ago
$446
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Jul 13 from Columbus to St. Louis, returning Tue, Jul 22, priced at $446 found 3 days ago
Delta
Wed, Jul 23 - Fri, Jul 25
CSG
Columbus
STL
St. Louis
$463 Roundtrip, found 5 days ago
$463
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jul 23 from Columbus to St. Louis, returning Fri, Jul 25, priced at $463 found 5 days ago
Delta
Wed, Jul 16 - Wed, Jul 23
CSG
Columbus
STL
St. Louis
$476 Roundtrip, found 2 days ago
$476
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jul 16 from Columbus to St. Louis, returning Wed, Jul 23, priced at $476 found 2 days ago
Delta
Sun, Jul 13 - Sun, Jul 20
CSG
Columbus
STL
St. Louis
$478 Roundtrip, found 5 days ago
$478
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Jul 13 from Columbus to St. Louis, returning Sun, Jul 20, priced at $478 found 5 days ago
Delta
Sun, Jul 13 - Thu, Jul 24
CSG
Columbus
STL
St. Louis
$482 Roundtrip, found 3 days ago
$482
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Jul 13 from Columbus to St. Louis, returning Thu, Jul 24, priced at $482 found 3 days 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 $396
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $396
Flights from Columbus (CSG) to St. Louis (STL)
Origin airport
Columbus Metropolitan
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Delta
Roundtrip price
$346
Distance
526 mi

Columbus to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Columbus 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 Columbus 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 Columbus to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $323 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 Columbus 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 Columbus 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 Columbus Metropolitan Airport (CSG) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from CSG to STL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CSG to STL?
The cheapest flights from CSG to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CSG to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CSG to STL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Columbus Metropolitan Airport (CSG) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to take a flight with a layover when traveling from Columbus Metropolitan Airport (CSG) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from CSG to STL?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be 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 Columbus Metropolitan Airport (CSG) to Lambert-St. Louis Intl. Airport (STL)?
To arrive at Lambert-St. Louis Intl. Airport (STL) without delays, opt for a flight that takes off from Columbus Metropolitan Airport (CSG) 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 Columbus Metropolitan Airport (CSG) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from CSG to STL are typically more expensive. To lock in the lowest prices, start searching for flights ahead of time. That being said, if you can play around with your travel dates, you may land a cheap fare right before your journey.
Is it cheaper to book a CSG to STL flight and hotel package?
Compared with arranging hotels and flights separately, booking a CSG to STL flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Columbus Metropolitan Airport (CSG) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your CSG to STL flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type 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, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.