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$51+ Cheap flights from Columbus (CMH) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — STL
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Columbus to St. Louis

Cheapest flights from Columbus to St. Louis
Explore the most affordable flight options available from Columbus to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:28 pm
CMH
-
STL
1 stop16h 12m
Frontier
Sun 9/1310:35 am
STL
-
CMH
1 stop5h 58m
Frontier
Deal found 7/20$142
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:28 pm
CMH
-
STL
1 stop16h 12m
Frontier
Mon 9/288:10 pm
STL
-
CMH
2 stops20h 23m
Frontier
Deal found 7/22$180
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:06 pm
CMH
-
STL
2 stops39h 51m
Frontier
Mon 8/174:57 pm
STL
-
CMH
1 stop23h 28m
Frontier
Deal found 7/25$186
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:11 pm
CMH
-
STL
1 stop16h 29m
Frontier
Sun 10/2510:35 am
STL
-
CMH
1 stop5h 58m
Frontier
Deal found 7/22$188
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:44 pm
CMH
-
STL
1 stop16h 13m
Frontier
Wed 8/124:57 pm
STL
-
CMH
1 stop23h 02m
Frontier
Deal found 7/24$189
This Trip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:28 am
CMH
-
STL
1 stop6h 43m
Frontier
Sat 8/295:02 pm
STL
-
CMH
1 stop25h 42m
Frontier
Deal found 7/25$215
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:22 pm
CMH
-
STL
2 stops39h 18m
Multiple Airlines
Wed 11/410:35 am
STL
-
CMH
1 stop28h 04m
Multiple Airlines
Deal found 7/24$219
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:15 am
CMH
-
STL
Nonstop1h 25m
Southwest
Sat 9/510:15 am
STL
-
CMH
Nonstop1h 20m
Southwest
Deal found 7/23$237
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:15 am
CMH
-
STL
1 stop9h 05m
American Airlines
Wed 9/911:01 am
STL
-
CMH
1 stop10h 06m
American Airlines
Deal found 7/22$243

Find flight deals from Columbus to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Columbus (CMH) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$142
(Kiwi.com)

One-way from

$51
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$393

Good round-trip deal

$332 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Columbus-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Columbus-Lambert-St Louis flights.
Search Deals
From Columbus to Lambert-St Louis
Search Deals
One-way flight from Columbus to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Columbus to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Columbus to Lambert-St Louis.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbus to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Columbus Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Thu 9/24

7:35 pm-8:00 pm

Nonstop1h 25m

Lambert-St Louis

Mon 9/28

6:50 pm-9:10 pm

Nonstop1h 20m

$237

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 12/1

6:55 pm-7:25 pm

Nonstop1h 30m

Lambert-St Louis

Thu 12/31

6:10 pm-8:30 pm

Nonstop1h 20m

$237

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Wed 10/28

6:50 am-7:15 am

Nonstop1h 25m

Lambert-St Louis

Wed 11/4

10:15 am-12:35 pm

Nonstop1h 20m

$237

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Wed 9/23

7:00 am-7:25 am

Nonstop1h 25m

Lambert-St Louis

Thu 9/24

6:50 pm-9:10 pm

Nonstop1h 20m

$237

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Wed 10/28

10:26 am-1:09 pm

1 stop3h 43m

Lambert-St Louis

Wed 11/4

6:40 am-1:24 pm

1 stop5h 44m

$247

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sat 8/15

7:15 am-7:40 am

Nonstop1h 25m

Lambert-St Louis

Mon 8/17

11:40 am-5:45 pm

1 stop5h 05m

$247

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 12/29

7:00 am-7:35 am

Nonstop1h 35m

Lambert-St Louis

Sat 1/9

12:55 pm-10:00 pm

1 stop8h 05m

$247

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sat 9/5

7:15 am-7:40 am

Nonstop1h 25m

Lambert-St Louis

Sat 9/5

1:40 pm-9:05 pm

2 stops6h 25m

$252

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Thu 9/3

7:20 am-7:45 am

Nonstop1h 25m

Lambert-St Louis

Sun 9/6

6:30 am-3:45 pm

1 stop8h 15m

$259

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sat 8/22

12:50 pm-7:45 pm

2 stops7h 55m

Lambert-St Louis

Sat 8/29

8:55 am-4:00 pm

1 stop6h 05m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Columbus to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Columbus to St. Louis in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Columbus Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Columbus Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Columbus Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Columbus Airport-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Columbus Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Columbus to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Columbus with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Columbus Airport to St. Louis

What is the cheapest month to book a flight from Columbus Airport to St. Louis?

Currently, December is the cheapest month in which you can book a flight from Columbus Airport to St. Louis (average of $215). Flying from Columbus Airport to St. Louis in June is currently the most expensive (average of $541). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CMH to STL?

Find hourly flight availability from Columbus to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 36% on flights from Columbus Airport to St. Louis by exploring options for tickets at noon.

How much does it cost to fly round-trip from Columbus Airport to St. Louis?

Airfare is below average for this route at the moment.

Columbus Airport to St. Louis flights typically cost between $316 and $430 in September.
The cheapest round-trip price found within the last 5 days was $142 on Frontier (Sep 10-Sep 13).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated July 25, 2026.
Read through reviews of airlines operating flights from Columbus Airport to St. Louis, such as Southwest and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,233 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,845 reviews
Southwest
8.0
Very good
4,233 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Columbus to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Columbus?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Columbus. On average, Lambert-St Louis has 1 inbound flight from Columbus per day from 2 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from Columbus Airport to St. Louis?

    For as low as $237, Southwest can have you in St. Louis from Columbus Airport in 1h 25m. Columbus Airport and St. Louis are separated by a distance of 409 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Columbus Airport to St. Louis round-trip?

    According to our current data, Southwest ($215), and American Airlines ($289) offers the cheapest pricing from Columbus Airport to St. Louis. You may be able to fly from Columbus Airport to St. Louis for 43% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Columbus Airport to St. Louis one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $116. United Airlines flights start at $138 while deals on American Airlines start at $201 one-way.

  • What are the cheapest flights from Columbus Airport to St. Louis?

    Looking at all options, your cheapest flight can be booked for $137. While the most popular route (Columbus - Lambert-St Louis) can be booked for $219 on average, our data indicates $327 when flying from Columbus Airport to St. Louis.

  • Can I find deals for flights from Columbus to St. Louis that include hotel bookings?

    Yes. In addition to deals on Columbus to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Columbus to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbus to St. Louis.

  • Can I find deals for business class flights from Columbus to St. Louis?

    Yes. Cheapflights offers flight deals from Columbus to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Columbus Airport to St. Louis?

    Currently, December is the cheapest month in which you can book a flight from Columbus Airport to St. Louis (average of $215). Flying from Columbus Airport to St. Louis in June is currently the most expensive (average of $541). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington

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Alternative routes for Columbus to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Columbus to Kansas City flights
Columbus to Springfield flights

Top 2 airlines flying from Columbus to St. Louis

Discover the top 2 airlines that operate flights from Columbus to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$215Average$381FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$289Average$406FlexibilityNo cancel feeOn-time71%

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