CA $127 Cheap Flights from Columbus (CMH) to St. Louis (STL)

View CA $127 flight on Wed, Sep. 3, 2025Opens in a new window

Popular airlines from Port Columbus International Airport (CMH) to Lambert-St. Louis International Airport (STL)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Columbus (CMH) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $127 for one-way flights and CA $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep. 2 - Sat, Sep. 6
CMH
Columbus
STL
St. Louis
CA $256 Roundtrip, found 3 days ago
CA $256
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep. 2 from Columbus to St. Louis, returning Sat, Sep. 6, priced at CA $256 found 3 days ago
Delta
Tue, Sep. 2 - Thu, Sep. 4
CMH
Columbus
STL
St. Louis
CA $268 Roundtrip, found 3 days ago
CA $268
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep. 2 from Columbus to St. Louis, returning Thu, Sep. 4, priced at CA $268 found 3 days ago
Delta
Wed, Sep. 3 - Thu, Sep. 4
CMH
Columbus
STL
St. Louis
CA $275 Roundtrip, found 3 days ago
CA $275
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Sep. 3 from Columbus to St. Louis, returning Thu, Sep. 4, priced at CA $275 found 3 days ago
American Airlines
Wed, Sep. 3 - Thu, Sep. 4
CMH
Columbus
STL
St. Louis
CA $275 Roundtrip, found 3 days ago
CA $275
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep. 3 from Columbus to St. Louis, returning Thu, Sep. 4, priced at CA $275 found 3 days ago
Delta
Thu, Sep. 4 - Mon, Sep. 8
CMH
Columbus
STL
St. Louis
CA $281 Roundtrip, found 3 days ago
CA $281
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Sep. 4 from Columbus to St. Louis, returning Mon, Sep. 8, priced at CA $281 found 3 days ago
American Airlines
Wed, Sep. 3 - Thu, Sep. 4
CMH
Columbus
STL
St. Louis
CA $318 Roundtrip, found 3 days ago
CA $318
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep. 3 from Columbus to St. Louis, returning Thu, Sep. 4, priced at CA $318 found 3 days ago
Delta
Wed, Sep. 3 - Thu, Sep. 4
CMH
Columbus
STL
St. Louis
CA $325 Roundtrip, found 3 days ago
CA $325
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Sep. 3 from Columbus to St. Louis, returning Thu, Sep. 4, priced at CA $325 found 3 days ago
American Airlines
Wed, Sep. 3 - Thu, Sep. 4
CMH
Columbus
STL
St. Louis
CA $327 Roundtrip, found 3 days ago
CA $327
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep. 3 from Columbus to St. Louis, returning Thu, Sep. 4, priced at CA $327 found 3 days ago
American Airlines
Wed, Sep. 3 - Sun, Sep. 7
CMH
Columbus
STL
St. Louis
CA $340 Roundtrip, found 3 days ago
CA $340
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep. 3 from Columbus to St. Louis, returning Sun, Sep. 7, priced at CA $340 found 3 days ago
United
Wed, Sep. 3 - Thu, Sep. 4
CMH
Columbus
STL
St. Louis
CA $357 Roundtrip, found 3 days ago
CA $357
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep. 3 from Columbus to St. Louis, returning Thu, Sep. 4, priced at CA $357 found 3 days ago

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

August is typically the cheapest month to fly

From CA $198 - CA $984 per traveller.

Graph displaying average flight prices per month

0
Flight from Columbus to St. Louis (CMH - STL) route information
Origin airport
John Glenn Columbus Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
CA $256
Distance
654 km

Columbus to St. Louis Flights

The easy way to book your flights from Columbus to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from Columbus whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Columbus to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from John Glenn Columbus Intl., CMH to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Columbus to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Columbus currently is just CA $256 rising to CA $357.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from Columbus 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Frequently asked questions

How much is a flight from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL)?
Round-trip flights from John Glenn Intl. Airport to Lambert Field start from CA $256. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from John Glenn Columbus Intl. Airport (CMH) to Lambert Field?
This can differ from airline to airline, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel online.
How do I find cheap flights from CMH to Lambert Field that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from CMH to Lambert Field. This allows you to snag a fantastic price in advance and still have the freedom to reschedule without any additional fees. If the new flight costs more, you'll just cover the difference.
How many hours is the flight from CMH to Lambert-St. Louis Intl. Airport (STL)?
It only takes an average of 5 hours to get from CMH to Lambert Field. Recline your seat and get comfortable — but not too comfortable. You'll be touching down in St. Louis before long.
How far is the flight from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL)?
With a flight distance of 660 kilometres, it's only a short hop from John Glenn Intl. Airport to Lambert Field. It might be a quick flight, but it's still worth packing a book to read.
Which airlines fly direct from CMH to Lambert Field?
If you want to fly straight from CMH to Lambert-St. Louis Intl. Airport (STL), Southwest Airlines (WN) is an excellent option. It operates 56 flights every month between Columbus and St. Louis.
Are CMH to STL flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally find a bargain, with some super cheap fares from CMH to Lambert-St. Louis Intl. Airport (STL) emerging a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines release prices so far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.