HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$80+ Cheap flights from Columbus 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — STL
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Columbus to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Columbus to Lambert-St Louis are usually found in May or December, booked 77 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

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 February 28, 2026.

This Delta deal was found by Cheapflights users on 2/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
CMH
-
STL
1 stop6h 56m
Delta
Tue 4/285:59 pm
STL
-
CMH
1 stop5h 06m
Delta
Deal found 2/25$195
This Southwest deal was found by Cheapflights users on 2/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:15 am
CMH
-
STL
2 stops8h 10m
Southwest
Tue 4/283:55 pm
STL
-
CMH
1 stop3h 40m
Southwest
Deal found 2/25$200
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:44 pm
CMH
-
STL
1 stop6h 15m
Delta
Mon 5/116:04 pm
STL
-
CMH
1 stop4h 48m
Delta
Deal found 2/26$215
This Southwest deal was found by Cheapflights users on 2/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:45 am
CMH
-
STL
1 stop6h 45m
Southwest
Sat 3/287:45 pm
STL
-
CMH
Nonstop1h 20m
Southwest
Deal found 2/24$216
This American Airlines deal was found by Cheapflights users on 2/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:52 pm
CMH
-
STL
1 stop9h 54m
American Airlines
Sat 4/116:53 pm
STL
-
CMH
1 stop4h 28m
American Airlines
Deal found 2/25$219
This American Airlines deal was found by Cheapflights users on 2/26. 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.
Fri 5/1510:22 am
CMH
-
STL
1 stop7h 19m
American Airlines
Mon 5/185:51 am
STL
-
CMH
1 stop7h 21m
American Airlines
Deal found 2/26$223
This Southwest deal was found by Cheapflights users on 2/28. 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.
Mon 3/308:20 pm
CMH
-
STL
Nonstop1h 35m
Southwest
Mon 4/64:45 pm
STL
-
CMH
1 stop6h 20m
Southwest
Deal found 2/28$225
This Frontier deal was found by Cheapflights users on 2/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:15 pm
CMH
-
STL
1 stop8h 04m
Frontier
Sat 3/148:53 pm
STL
-
CMH
1 stop10h 37m
Frontier
Deal found 2/25$226
This Southwest deal was found by Cheapflights users on 2/26. 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 5/97:35 am
CMH
-
STL
Nonstop1h 30m
Southwest
Mon 5/118:25 pm
STL
-
CMH
Nonstop1h 20m
Southwest
Deal found 2/26$230
This Southwest deal was found by Cheapflights users on 2/26. 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.
Thu 4/98:55 am
CMH
-
STL
1 stop5h 00m
Southwest
Sat 4/115:40 am
STL
-
CMH
1 stop3h 10m
Southwest
Deal found 2/26$232

Find flight deals from Columbus to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Columbus (C01) 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 February 28, 2026.

Round-trip from

$195
(Delta)

One-way from

$80
(Frontier)

Popular in

February

Cheapest in

May

Average price

$528
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. 12% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 28, 2026.
Use the filters below to find and compare flights from Columbus to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 4/28

6:15 am-1:25 pm

2 stops8h 10m

Lambert-St Louis

Tue 4/28

3:55 pm-8:35 pm

1 stop3h 40m

$200

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Mon 3/30

12:10 pm-6:50 pm

2 stops7h 40m

Lambert-St Louis

Mon 4/6

5:30 am-9:55 am

1 stop3h 25m

$240

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Wed 3/25

10:30 am-6:00 pm

2 stops8h 30m

Lambert-St Louis

Sat 3/28

4:20 pm-12:50 am

1 stop7h 30m

$240

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sun 3/15

5:40 pm-12:15 am

1 stop7h 35m

Lambert-St Louis

Thu 3/19

5:30 am-9:55 am

1 stop3h 25m

$250

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sun 4/26

8:20 pm-11:00 pm

1 stop3h 40m

Lambert-St Louis

Fri 5/1

8:25 pm-10:45 pm

Nonstop1h 20m

$251

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Fri 3/20

5:30 am-10:50 am

1 stop6h 20m

Lambert-St Louis

Mon 3/23

4:25 pm-12:05 am

2 stops6h 40m

$255

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Fri 8/7

8:10 am-1:17 pm

1 stop6h 07m

Lambert-St Louis

Mon 8/10

3:42 pm-11:59 pm

1 stop7h 17m

$257

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sun 4/26

7:00 am-10:45 am

1 stop4h 45m

Lambert-St Louis

Fri 5/1

8:30 pm-1:13 am

1 stop3h 43m

$257

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sun 3/15

5:40 pm-12:15 am

1 stop7h 35m

Lambert-St Louis

Sun 3/29

2:55 pm-11:05 pm

1 stop7h 10m

$261

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Fri 3/13

5:00 am-10:10 am

1 stop6h 10m

Lambert-St Louis

Mon 3/16

4:45 pm-12:05 am

1 stop6h 20m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

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

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 to St. Louis

How far ahead should I book a flight from Columbus to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Columbus to St. Louis. Price data was last updated on February 20, 2026.

The best time to book flights from Columbus to St. Louis is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Columbus to St. Louis (average of $158). Flying from Columbus to St. Louis in March is currently the most expensive (average of $281). 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 February 28, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 31% on flights from Columbus to St. Louis by exploring options for tickets at noon.

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 February 28, 2026.
Peruse reviews from past customers who have flown with Southwest and American Airlines from Columbus to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,303 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
Southwest
8.0
Very good
4,303 reviews
Southwest
8.0
Very good
4,303 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
American Airlines
7.2
Good
11,367 reviews
Southwest
8.0
Very good
4,303 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.

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?

    For a flight from Columbus to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from Columbus per day. 4 airlines have flights to Lambert-St Louis from Columbus on a regular basis.

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

    A quick flight from Columbus to St. Louis can take about 8h 10m. Southwest provides one of the quickest options available for as low as $200. The distance between Columbus and St. Louis is about 409 mi.

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

    According to our current data, Southwest ($205), and American Airlines ($208) offers the cheapest pricing from Columbus to St. Louis. You may be able to fly from Columbus to St. Louis for 42% less than the average price by searching for these airlines.

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

    Looking for the cheapest flight from Columbus to St. Louis? While on average our users pay $336, our data indicates the cheapest price to be $159. The most popular route (Columbus - Lambert-St Louis), is priced around $195.

  • 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 to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Columbus to St. Louis (average of $158). Flying from Columbus to St. Louis in March is currently the most expensive (average of $281). 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
Swansea
Fairview Heights
Fenton
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Columbus to St. Louis

Discover the top 4 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 February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$205Average$359FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$208Average$391FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$323FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$338FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.