$66+ Cheap flights from Cincinnati to St. Louis (CVG - 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.
CVG — STL
Mar 20 — Mar 271
1 adult, Economy
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Find cheap flights from Cincinnati 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.Cheap flight deals from Cincinnati to St. Louis
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Cheapest flights from Cincinnati to St. LouisExplore the most affordable flight options available from Cincinnati to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
Explore the most affordable flight options available from Cincinnati to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Tue 3/2411:27 am
STL
- CVG
1 stop6h 06m
Frontier
Deal found 2/17![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Thu 3/2611:21 am
STL
- CVG
1 stop6h 12m
Frontier
Deal found 2/17![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Wed 3/258:12 pm
STL
- CVG
1 stop17h 12m
Frontier
Deal found 2/17![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/227:41 pm
CVG
- STL
1 stop18h 53m
Frontier
Tue 3/2411:27 am
STL
- CVG
1 stop6h 06m
Frontier
Deal found 2/17![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/227:41 pm
CVG
- STL
1 stop18h 53m
Frontier
Thu 3/2611:21 am
STL
- CVG
1 stop6h 12m
Frontier
Deal found 2/17![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 2/17. 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.
Mon 3/161:20 pm
CVG
- STL
1 stop7h 05m
Frontier
Tue 3/244:51 pm
STL
- CVG
1 stop6h 50m
Frontier
Deal found 2/17![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Multiple Airlines
Mon 3/2312:16 pm
STL
- CVG
2 stops22h 28m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$191
This Frontier deal was found by Cheapflights users on 2/16. 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 3/33:20 pm
CVG
- STL
1 stop8h 07m
Frontier
Sat 3/71:58 pm
STL
- CVG
1 stop8h 39m
Frontier
Deal found 2/16![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Mon 3/234:51 pm
STL
- CVG
1 stop6h 50m
Frontier
Deal found 2/17![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 2/17. 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.
Mon 3/161:20 pm
CVG
- STL
1 stop7h 05m
Frontier
Mon 3/234:51 pm
STL
- CVG
1 stop6h 50m
Frontier
Deal found 2/17![Frontier logo]()
$218
Best flights from Cincinnati to St. LouisDiscover carefully curated flight deals from Cincinnati to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from Cincinnati to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Tue 3/2411:27 am
STL
- CVG
1 stop6h 06m
Frontier
Deal found 2/17![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Multiple Airlines
Mon 3/2312:16 pm
STL
- CVG
2 stops22h 28m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/227:41 pm
CVG
- STL
1 stop18h 53m
Frontier
Thu 3/2611:21 am
STL
- CVG
1 stop6h 12m
Frontier
Deal found 2/17![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 2/17. 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.
Mon 3/161:20 pm
CVG
- STL
1 stop10h 59m
Frontier
Wed 3/254:51 pm
STL
- CVG
1 stop6h 50m
Frontier
Deal found 2/17![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
2 stops12h 56m
Frontier
Thu 3/2611:21 am
STL
- CVG
1 stop6h 12m
Frontier
Deal found 2/17![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 2/16. 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 3/33:20 pm
CVG
- STL
1 stop8h 07m
Frontier
Sat 3/71:58 pm
STL
- CVG
1 stop8h 39m
Frontier
Deal found 2/16![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 4/267:43 pm
CVG
- STL
1 stop12h 07m
Frontier
Thu 4/3011:21 am
STL
- CVG
1 stop6h 15m
Frontier
Deal found 2/16![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/155:20 pm
CVG
- STL
1 stop6h 59m
Frontier
Fri 4/178:13 pm
STL
- CVG
1 stop21h 23m
Frontier
Deal found 2/14![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
2 stops12h 56m
Frontier
Wed 3/258:12 pm
STL
- CVG
1 stop17h 12m
Frontier
Deal found 2/17![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 2/15. 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.
Mon 3/27:14 pm
CVG
- STL
1 stop5h 45m
Frontier
Fri 3/64:21 pm
STL
- CVG
1 stop7h 20m
Frontier
Deal found 2/15![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 2/17. 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 3/33:20 pm
CVG
- STL
1 stop8h 07m
Frontier
Fri 3/64:21 pm
STL
- CVG
1 stop7h 20m
Frontier
Deal found 2/17![Frontier logo]()
$225
Last-minute flights from Cincinnati to St. LouisDiscover last-minute flight deals from Cincinnati to St. Louis. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Cincinnati to St. Louis. Data last updated February 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/16. 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 3/33:20 pm
CVG
- STL
1 stop8h 07m
Frontier
Sat 3/71:58 pm
STL
- CVG
1 stop8h 39m
Frontier
Deal found 2/16![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/33:20 pm
CVG
- STL
1 stop8h 07m
Frontier
Mon 3/92:09 pm
STL
- CVG
1 stop27h 24m
Frontier
Deal found 2/18![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 2/17. 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.
Mon 3/161:20 pm
CVG
- STL
1 stop7h 05m
Frontier
Tue 3/244:51 pm
STL
- CVG
1 stop6h 50m
Frontier
Deal found 2/17![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Tue 3/2411:27 am
STL
- CVG
1 stop6h 06m
Frontier
Deal found 2/17![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Thu 3/2611:21 am
STL
- CVG
1 stop6h 12m
Frontier
Deal found 2/17![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Wed 3/258:12 pm
STL
- CVG
1 stop17h 12m
Frontier
Deal found 2/17![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Multiple Airlines
Mon 3/2312:16 pm
STL
- CVG
2 stops22h 28m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Mon 3/234:51 pm
STL
- CVG
1 stop6h 50m
Frontier
Deal found 2/17![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/227:41 pm
CVG
- STL
1 stop18h 53m
Frontier
Tue 3/2411:27 am
STL
- CVG
1 stop6h 06m
Frontier
Deal found 2/17![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/227:41 pm
CVG
- STL
1 stop18h 53m
Frontier
Thu 3/2611:21 am
STL
- CVG
1 stop6h 12m
Frontier
Deal found 2/17![Frontier logo]()
$172
One-way flights from Cincinnati to St. LouisSearch for one-way flight options from Cincinnati to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from Cincinnati to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/107:43 pm
CVG
- STL
1 stop15h 54m
Frontier
Deal found 2/18![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/177:41 pm
CVG
- STL
1 stop15h 56m
Frontier
Deal found 2/15![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/87:50 pm
CVG
- STL
1 stop18h 29m
Frontier
Deal found 2/18![Frontier logo]()
$79
This Priceline deal was found by Cheapflights users on 2/17. 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.
Thu 4/165:20 pm
CVG
- STL
1 stop6h 59m
Frontier
Deal found 2/17![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 5/87:59 pm
CVG
- STL
1 stop24h 13m
Frontier
Deal found 2/17![Frontier logo]()
$84
This Expedia deal was found by Cheapflights users on 2/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:45 am
CVG
- STL
1 stop27h 06m
Frontier
Deal found 2/17![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/247:20 am
CVG
- STL
1 stop27h 29m
Frontier
Deal found 2/15![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 4/267:43 pm
CVG
- STL
1 stop12h 07m
Frontier
Deal found 2/17![Frontier logo]()
$92
This American Airlines deal was found by Cheapflights users on 2/15. 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.
Sat 3/1412:55 pm
CVG
- STL
1 stop9h 16m
American Airlines
Deal found 2/15![American Airlines logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 5/107:43 pm
CVG
- STL
1 stop12h 07m
Frontier
Deal found 2/16![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 5/157:43 pm
CVG
- STL
2 stops24h 29m
Frontier
Deal found 2/15![Frontier logo]()
$97
Find flight deals from Cincinnati to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Cincinnati (CVG) 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 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Kiwi.com) |
One-way from | $66 (Kiwi.com) |
Popular in | September |
Cheapest in | August |
Average price | $514 |
Cheapflights Fare Finder
Customize your flight search to find flights from Cincinnati 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 18, 2026.
Use the filters below to find and compare flights from Cincinnati to St. Louis that are best for you.
Fly from
Cincinnati
Fly to
St. Louis
Route
Depart
Return
Price
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Tue 3/17
7:41 pm-10:37 am
1 stop15h 56m
Lambert-St Louis
Tue 3/24
11:27 am-6:33 pm
1 stop6h 06m
$137
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Sun 3/22
7:41 pm-1:34 pm
1 stop18h 53m
Lambert-St Louis
Thu 3/26
11:21 am-6:33 pm
1 stop6h 12m
$172
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Mon 3/16
1:20 pm-11:19 pm
1 stop10h 59m
Lambert-St Louis
Wed 3/25
4:51 pm-12:41 am
1 stop6h 50m
$189
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Tue 3/17
7:41 pm-10:37 am
1 stop15h 56m
Lambert-St Louis
Mon 3/23
12:16 pm-11:44 am
2 stops22h 28m
$191
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Tue 3/17
7:41 pm-7:37 am
2 stops12h 56m
Lambert-St Louis
Thu 3/26
11:21 am-6:33 pm
1 stop6h 12m
$204
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Tue 3/3
3:20 pm-10:27 pm
1 stop8h 07m
Lambert-St Louis
Sat 3/7
1:58 pm-11:37 pm
1 stop8h 39m
$205
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Sun 4/26
7:43 pm-6:50 am
1 stop12h 07m
Lambert-St Louis
Thu 4/30
11:21 am-6:36 pm
1 stop6h 15m
$211
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Wed 4/15
5:20 pm-11:19 pm
1 stop6h 59m
Lambert-St Louis
Fri 4/17
8:13 pm-6:36 pm
1 stop21h 23m
$221
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Tue 3/17
7:41 pm-7:37 am
2 stops12h 56m
Lambert-St Louis
Wed 3/25
8:12 pm-2:24 pm
1 stop17h 12m
$221
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Mon 3/2
7:14 pm-11:59 pm
1 stop5h 45m
Lambert-St Louis
Fri 3/6
4:21 pm-12:41 am
1 stop7h 20m
$225
Showing 1-10 of 20 results
Compare providers for flights from Cincinnati 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 Cincinnati to St. Louis in February.
| 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 Cincinnati-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cincinnati-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cincinnati-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Cincinnati-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 Cincinnati-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 Cincinnati to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Cincinnati with our price prediction graph.
CVG-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 Cincinnati to St. Louis
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 18, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Cincinnati to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Cincinnati 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
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Cincinnati and St. Louis flights
Browse other Cincinnati and St. Louis flight options. Last updated on February 18, 2026.
Other flights from Cincinnati
Browse through other flights departing from Cincinnati. Flights are based on user searches made on Cheapflights and were last updated on February 18, 2026.
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Other flights to St. Louis
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Top 4 airlines flying from Cincinnati to St. Louis
Discover the top 4 airlines that operate flights from Cincinnati 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$218 | Average$289 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$472 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$332 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$420 | FlexibilityNo cancel fee | On-time69% |