$85 Cheap Flights from Columbus (CMH) to St. Louis (STL)

View $85 flight on Sun, May 18, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $85 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, May 15 - Fri, May 16
CMH
Columbus
STL
St. Louis
$170 Roundtrip, found 3 hours ago
$170
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, May 15 from Columbus to St. Louis, returning Fri, May 16, priced at $170 found 3 hours ago
Frontier Airlines
Sun, May 11 - Fri, May 16
CMH
Columbus
STL
St. Louis
$180 Roundtrip, found 3 hours ago
$180
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, May 11 from Columbus to St. Louis, returning Fri, May 16, priced at $180 found 3 hours ago
Frontier Airlines
Sat, May 24 - Wed, May 28
CMH
Columbus
STL
St. Louis
$188 Roundtrip, found 3 days ago
$188
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, May 24 from Columbus to St. Louis, returning Wed, May 28, priced at $188 found 3 days ago
Frontier Airlines
Sun, Apr 27 - Fri, May 16
CMH
Columbus
STL
St. Louis
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Apr 27 from Columbus to St. Louis, returning Fri, May 16, priced at $190 found 1 day ago
Frontier Airlines
Thu, May 15 - Sat, May 17
CMH
Columbus
STL
St. Louis
$200 Roundtrip, found 3 hours ago
$200
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, May 15 from Columbus to St. Louis, returning Sat, May 17, priced at $200 found 3 hours ago
Spirit Airlines
Fri, May 16 - Sun, May 25
CMH
Columbus
STL
St. Louis
$207 Roundtrip, found 6 days ago
$207
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Fri, May 16 from Columbus to St. Louis, returning Sun, May 25, priced at $207 found 6 days ago
Frontier Airlines
Sat, May 10 - Sat, May 17
CMH
Columbus
STL
St. Louis
$208 Roundtrip, found 10 hours ago
$208
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, May 10 from Columbus to St. Louis, returning Sat, May 17, priced at $208 found 10 hours ago
American Airlines
Wed, May 14 - Sat, May 17
CMH
Columbus
STL
St. Louis
$211 Roundtrip, found 3 hours ago
$211
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, May 14 from Columbus to St. Louis, returning Sat, May 17, priced at $211 found 3 hours ago
Southwest Airlines
Tue, Jun 3 - Wed, Jun 4
CMH
Columbus
STL
St. Louis
$211 Roundtrip, found 13 hours ago
$211
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Tue, Jun 3 from Columbus to St. Louis, returning Wed, Jun 4, priced at $211 found 13 hours ago
United
Tue, Jun 3 - Wed, Jun 4
CMH
Columbus
STL
St. Louis
$231 Roundtrip, found 13 hours ago
$231
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Jun 3 from Columbus to St. Louis, returning Wed, Jun 4, priced at $231 found 13 hours ago

Frequently asked questions

How much does a flight from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL) cost?
You can score cheap return tickets from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL) starting from $211. Book your seat and set off on your next adventure. 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 CMH on May 15 2025 and touching down at STL. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from CMH to STL?
The cheapest flights from CMH 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.
Which airlines fly direct from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL)?
Take a direct flight with Southwest Airlines and go straight from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL).
What is the cheapest airline that flies from CMH to STL?
Currently, the cheapest carrier offering one-way flights from CMH to STL is Southwest Airlines. You can book a seat on this route from $106. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CMH on June 11 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL)?
On average, only 1 nonstop flight departs daily from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL). Want more options? Use our filters to discover flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL)?
The 8 AM departures from CMH to STL are the top choice for many travelers. Greater demand means you’ll likely pay more for these departures. If you’re hoping to save money, book during off-peak hours.
What day of the week has the most flights from CMH to STL?
If you fly on a Friday, you’ll get the biggest range of options for flights from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL).
What is the earliest flight from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL)?
John Glenn Columbus Intl. Airport (CMH)’s first flight to Lambert-St. Louis Intl. Airport (STL) is at approximately 7:40AM UTC-5. With a total travel time of 1h 40m, you’ll touch down at around 8:20AM UTC-6.
How long does it take to fly from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL)?
It usually takes 1 hour and 32 minutes to travel the 410 mi from CMH to STL.
What is the best time to fly from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) on schedule, choose a flight that takes off from John Glenn Columbus Intl. Airport (CMH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 St. Louis from John Glenn Columbus Intl. Airport (CMH)?
If you’re traveling on a direct flight from John Glenn Columbus Intl. Airport (CMH) to St. Louis, Lambert-St. Louis Intl. Airport (STL) is the only airport you can land at.
Is it cheaper to buy a plane ticket from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until just before your trip to book your flight from CMH to STL often results in higher prices. While you might find some last-minute discounts, they’re not always guaranteed. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book a CMH to STL flight and hotel package?
Booking a CMH to STL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from John Glenn Columbus Intl. Airport (CMH) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your CMH to STL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.
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