$70+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — STL
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
Cheapest flights from Columbus to St. LouisExplore 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 March 13, 2026.
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 March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sun 4/197:00 pm
CMH
- STL
1 stop12h 50m
Frontier
Wed 4/228:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/10![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/107:14 pm
CMH
- STL
1 stop15h 34m
Frontier
Wed 4/158:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/78:03 pm
CMH
- STL
2 stops28h 22m
Frontier
Wed 4/158:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Mon 5/113:36 pm
CMH
- STL
2 stops32h 43m
Frontier
Sat 5/168:13 pm
STL
- CMH
1 stop17h 28m
Frontier
Deal found 3/10![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 5/121:02 pm
CMH
- STL
2 stops18h 48m
Multiple Airlines
Sat 5/168:13 pm
STL
- CMH
1 stop17h 28m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/117:32 pm
CMH
- STL
1 stop16h 06m
Frontier
Wed 4/158:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/107:14 pm
CMH
- STL
1 stop15h 34m
Frontier
Sat 4/188:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/237:00 pm
CMH
- STL
1 stop12h 50m
Frontier
Sun 4/264:59 pm
STL
- CMH
2 stops17h 16m
Frontier
Deal found 3/11![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/78:03 pm
CMH
- STL
2 stops28h 22m
Frontier
Sat 4/188:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fri 4/176:35 pm
CMH
- STL
1 stop13h 15m
Frontier
Sun 4/194:59 pm
STL
- CMH
2 stops17h 16m
Frontier
Deal found 3/11![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sun 4/197:00 pm
CMH
- STL
1 stop12h 50m
Multiple Airlines
Wed 4/228:23 pm
STL
- CMH
2 stops25h 09m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$232
Best flights from Columbus to St. LouisDiscover carefully curated flight deals from Columbus to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from Columbus to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This Southwest deal was found by Cheapflights users on 3/11. 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 4/157:15 am
CMH
- STL
Nonstop1h 30m
Southwest
Wed 4/156:45 pm
STL
- CMH
Nonstop1h 20m
Southwest
Deal found 3/11![Southwest logo]()
$245
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:04 pm
CMH
- STL
1 stop4h 48m
United Airlines
Sun 4/266:30 am
STL
- CMH
1 stop5h 42m
United Airlines
Deal found 3/8![United Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 3/9. 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.
Sun 4/56:15 am
CMH
- STL
1 stop4h 31m
Delta
Wed 4/156:50 pm
STL
- CMH
1 stop4h 53m
Delta
Deal found 3/9![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 3/8. 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 4/138:25 pm
CMH
- STL
Nonstop1h 30m
Southwest
Wed 4/1510:15 am
STL
- CMH
Nonstop1h 25m
Southwest
Deal found 3/8![Southwest logo]()
$245
This Southwest deal was found by Cheapflights users on 3/9. 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 4/68:20 pm
CMH
- STL
Nonstop1h 35m
Southwest
Sat 4/117:05 am
STL
- CMH
1 stop3h 55m
Southwest
Deal found 3/9![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 3/11. 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 5/186:55 pm
CMH
- STL
1 stop5h 45m
Southwest
Wed 5/2010:15 am
STL
- CMH
Nonstop1h 25m
Southwest
Deal found 3/11![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 3/10. 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 5/131:15 pm
CMH
- STL
1 stop5h 40m
Southwest
Sat 5/166:20 am
STL
- CMH
1 stop4h 35m
Southwest
Deal found 3/10![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 3/11. 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 4/2810:25 am
CMH
- STL
2 stops8h 30m
Southwest
Wed 4/295:15 am
STL
- CMH
1 stop8h 25m
Southwest
Deal found 3/11![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 3/11. 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.
Fri 5/294:20 pm
CMH
- STL
1 stop7h 20m
Southwest
Mon 6/18:25 pm
STL
- CMH
Nonstop1h 20m
Southwest
Deal found 3/11![Southwest logo]()
$271
This Southwest deal was found by Cheapflights users on 3/11. 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 4/238:25 pm
CMH
- STL
Nonstop1h 30m
Southwest
Sun 4/268:25 am
STL
- CMH
1 stop3h 55m
Southwest
Deal found 3/11![Southwest logo]()
$271
Last-minute flights from Columbus to St. LouisDiscover last-minute flight deals from Columbus to St. Louis. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to St. Louis. Data last updated March 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/610:40 am
CMH
- STL
2 stops24h 50m
Multiple Airlines
Wed 4/158:23 pm
STL
- CMH
1 stop17h 29m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/78:03 pm
CMH
- STL
2 stops28h 22m
Frontier
Wed 4/158:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/78:03 pm
CMH
- STL
2 stops28h 22m
Frontier
Sat 4/188:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/107:14 pm
CMH
- STL
1 stop15h 34m
Frontier
Wed 4/158:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/107:14 pm
CMH
- STL
1 stop15h 34m
Frontier
Sat 4/188:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/117:32 pm
CMH
- STL
1 stop16h 06m
Frontier
Wed 4/158:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/9![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Mon 4/1311:03 am
CMH
- STL
1 stop13h 22m
Frontier
Wed 4/158:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/10![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fri 4/176:35 pm
CMH
- STL
1 stop13h 15m
Frontier
Sun 4/194:59 pm
STL
- CMH
2 stops17h 16m
Frontier
Deal found 3/11![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sun 4/197:00 pm
CMH
- STL
1 stop12h 50m
Frontier
Wed 4/228:23 pm
STL
- CMH
1 stop17h 29m
Frontier
Deal found 3/10![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sun 4/197:00 pm
CMH
- STL
1 stop12h 50m
Multiple Airlines
Wed 4/228:23 pm
STL
- CMH
2 stops25h 09m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/237:00 pm
CMH
- STL
1 stop12h 50m
Frontier
Sun 4/264:59 pm
STL
- CMH
2 stops17h 16m
Frontier
Deal found 3/11![Frontier logo]()
$225
One-way flights from Columbus to St. LouisSearch for one-way flight options from Columbus to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from Columbus to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 5/126:05 pm
CMH
- STL
1 stop15h 50m
Frontier
Deal found 3/12![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Sun 5/176:05 pm
CMH
- STL
1 stop15h 50m
Frontier
Deal found 3/12![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sun 5/106:40 pm
CMH
- STL
1 stop13h 10m
Frontier
Deal found 3/10![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 3/9. 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.
Fri 4/109:41 pm
CMH
- STL
1 stop11h 10m
Frontier
Deal found 3/9![Frontier logo]()
$86
This Priceline deal was found by Cheapflights users on 3/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:15 pm
CMH
- STL
1 stop8h 04m
Frontier
Deal found 3/9![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/1410:40 am
CMH
- STL
2 stops21h 10m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Fri 5/86:43 pm
CMH
- STL
1 stop25h 40m
Frontier
Deal found 3/12![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 5/78:18 pm
CMH
- STL
1 stop23h 54m
Frontier
Deal found 3/10![Frontier logo]()
$116
This Travelocity deal was found by Cheapflights users on 3/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:45 am
CMH
- STL
1 stop20h 32m
Frontier
Deal found 3/11![Frontier logo]()
$118
This Mytrip deal was found by Cheapflights users on 3/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:43 pm
CMH
- STL
1 stop25h 40m
Frontier
Deal found 3/12![Frontier logo]()
$121
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 March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $145 (Kiwi.com) |
One-way from | $70 (Kiwi.com) |
Popular in | July |
Cheapest in | May |
Average price | $447 |
Good round-trip deal | $415 or less |
Good one-way deal | $200 or less |
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 March 13, 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
Cheapest round-trip
Quickest round-trip
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Wed 4/15
7:15 am-7:45 am
Nonstop1h 30m
Lambert-St Louis
Wed 4/15
6:45 pm-9:05 pm
Nonstop1h 20m
$245
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Mon 4/13
8:25 pm-8:55 pm
Nonstop1h 30m
Lambert-St Louis
Wed 4/15
10:15 am-12:40 pm
Nonstop1h 25m
$245
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Mon 4/6
8:20 pm-8:55 pm
Nonstop1h 35m
Lambert-St Louis
Sat 4/11
7:05 am-12:00 pm
1 stop3h 55m
$255
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Mon 5/18
6:55 pm-11:40 pm
1 stop5h 45m
Lambert-St Louis
Wed 5/20
10:15 am-12:40 pm
Nonstop1h 25m
$255
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Wed 5/13
1:15 pm-5:55 pm
1 stop5h 40m
Lambert-St Louis
Sat 5/16
6:20 am-11:55 am
1 stop4h 35m
$265
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Fri 4/24
6:04 pm-9:52 pm
1 stop4h 48m
Lambert-St Louis
Sun 4/26
6:30 am-1:12 pm
1 stop5h 42m
$266
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Tue 4/28
10:25 am-5:55 pm
2 stops8h 30m
Lambert-St Louis
Wed 4/29
5:15 am-2:40 pm
1 stop8h 25m
$270
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Fri 5/29
4:20 pm-10:40 pm
1 stop7h 20m
Lambert-St Louis
Mon 6/1
8:25 pm-10:45 pm
Nonstop1h 20m
$271
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Thu 4/23
8:25 pm-8:55 pm
Nonstop1h 30m
Lambert-St Louis
Sun 4/26
8:25 am-1:20 pm
1 stop3h 55m
$271
ColumbusSt. Louis
CMH - STL
CMHSTL
Columbus
Sun 4/5
6:15 am-9:46 am
1 stop4h 31m
Lambert-St Louis
Wed 4/15
6:50 pm-12:43 am
1 stop4h 53m
$290
Showing 1-10 of 18 resultsSorted by cheapest first
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
CMH-STL
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
How far ahead should I book a flight from Columbus Airport 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 March 6, 2026.
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Columbus Airport to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Columbus Airport to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Columbus Airport to St. Louis (average of $158). Flying from Columbus Airport to St. Louis in March is currently the most expensive (average of $315). 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 March 13, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 31% on flights from Columbus Airport 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 March 13, 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.
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Columbus and St. Louis flights
Browse other Columbus and St. Louis flight options. Last updated on March 13, 2026.
Other flights from Columbus
Browse through other flights departing from Columbus. Flights are based on user searches made on Cheapflights and were last updated on March 13, 2026.
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 13, 2026.
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 March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$346 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$208 | Average$440 | FlexibilityNo cancel fee | On-time71% |