$69+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — STL
apr. 22 — apr. 291
Round-trip
1 adult, Economy
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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 maart 23, 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 maart 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
zo 4/196:53 pm
CVG
- STL
1 stop12h 57m
Frontier
wo 4/228:23 pm
STL
- CVG
1 stop20h 10m
Frontier
Deal found 3/19![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
ma 5/47:46 pm
CVG
- STL
1 stop22h 50m
Frontier
vr 5/85:27 pm
STL
- CVG
1 stop17h 14m
Frontier
Deal found 3/21![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
di 5/512:12 pm
CVG
- STL
1 stop21h 43m
Frontier
vr 5/85:27 pm
STL
- CVG
1 stop17h 14m
Frontier
Deal found 3/21![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/2812:12 pm
CVG
- STL
1 stop6h 21m
Frontier
ma 6/14:19 pm
STL
- CVG
1 stop6h 21m
Frontier
Deal found 3/20![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
di 4/1410:51 am
CVG
- STL
2 stops20h 59m
Frontier
wo 4/158:23 pm
STL
- CVG
1 stop20h 10m
Frontier
Deal found 3/19![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
do 4/166:38 pm
CVG
- STL
1 stop13h 12m
Frontier
do 4/238:06 pm
STL
- CVG
1 stop22h 06m
Frontier
Deal found 3/19![Frontier logo]()
$194
This Expedia deal was found by Cheapflights users on 3/17. 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.
di 4/145:20 pm
CVG
- STL
1 stop6h 59m
Frontier
do 4/1611:25 am
STL
- CVG
1 stop5h 08m
Frontier
Deal found 3/17![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
ma 5/47:46 pm
CVG
- STL
1 stop22h 50m
Frontier
za 5/95:27 pm
STL
- CVG
1 stop16h 37m
Frontier
Deal found 3/21![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
di 5/512:12 pm
CVG
- STL
1 stop21h 43m
Frontier
za 5/95:27 pm
STL
- CVG
1 stop16h 37m
Frontier
Deal found 3/21![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
do 4/166:38 pm
CVG
- STL
1 stop13h 12m
Frontier
za 4/188:23 pm
STL
- CVG
1 stop20h 25m
Frontier
Deal found 3/18![Frontier logo]()
$208
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 maart 23, 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 maart 23, 2026.
This Frontier deal was found by Cheapflights users on 3/19. 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.
do 5/712:55 pm
CVG
- STL
1 stop7h 28m
Frontier
za 5/94:19 pm
STL
- CVG
1 stop6h 21m
Frontier
Deal found 3/19![Frontier logo]()
$222
This Southwest deal was found by Cheapflights users on 3/21. 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.
di 4/213:50 pm
CVG
- STL
1 stop6h 15m
Southwest
za 4/252:25 pm
STL
- CVG
1 stop5h 20m
Southwest
Deal found 3/21![Southwest logo]()
$275
This United Airlines deal was found by Cheapflights users on 3/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/78:00 pm
CVG
- STL
1 stop5h 24m
United Airlines
za 5/910:25 am
STL
- CVG
1 stop5h 39m
United Airlines
Deal found 3/22![United Airlines logo]()
$311
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 4/32:26 pm
CVG
- STL
1 stop18h 25m
Frontier
ma 4/68:19 pm
STL
- CVG
1 stop17h 03m
Frontier
Deal found 3/20![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 3/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 5/67:05 am
CVG
- STL
2 stops9h 10m
Southwest
za 5/96:10 am
STL
- CVG
2 stops6h 50m
Southwest
Deal found 3/22![Southwest logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
ma 4/132:26 pm
CVG
- STL
1 stop9h 59m
Frontier
wo 4/158:23 pm
STL
- CVG
1 stop20h 10m
Frontier
Deal found 3/17![Frontier logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 7/226:10 pm
CVG
- STL
1 stop4h 16m
United Airlines
vr 7/249:23 am
STL
- CVG
1 stop5h 06m
United Airlines
Deal found 3/20![United Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/166:35 am
CVG
- STL
2 stops9h 50m
Southwest
za 4/1810:55 am
STL
- CVG
2 stops5h 50m
Southwest
Deal found 3/18![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/136:35 am
CVG
- STL
2 stops9h 20m
Southwest
wo 4/155:35 am
STL
- CVG
2 stops6h 05m
Southwest
Deal found 3/17![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/135:45 am
CVG
- STL
1 stop6h 05m
Southwest
ma 4/134:00 pm
STL
- CVG
1 stop6h 25m
Southwest
Deal found 3/17![Southwest logo]()
$321
Last-minute flights from Cincinnati to St. LouisDiscover last-minute flight deals from Cincinnati to St. Louis. Data last updated maart 23, 2026 and is based on user searches.
Discover last-minute flight deals from Cincinnati to St. Louis. Data last updated maart 23, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 3/285:45 am
CVG
- STL
1 stop26h 12m
Frontier
zo 3/294:51 pm
STL
- CVG
1 stop25h 28m
Frontier
Deal found 3/22![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 3/21. 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.
di 3/317:20 am
CVG
- STL
1 stop27h 28m
Frontier
wo 4/18:16 pm
STL
- CVG
1 stop17h 06m
Frontier
Deal found 3/21![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
di 4/1410:51 am
CVG
- STL
2 stops20h 59m
Frontier
wo 4/158:23 pm
STL
- CVG
1 stop20h 10m
Frontier
Deal found 3/19![Frontier logo]()
$186
This Frontier deal was found by Cheapflights users on 3/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/145:20 pm
CVG
- STL
1 stop6h 59m
Frontier
do 4/1611:25 am
STL
- CVG
1 stop5h 08m
Frontier
Deal found 3/22![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
do 4/166:38 pm
CVG
- STL
1 stop13h 12m
Frontier
do 4/238:06 pm
STL
- CVG
1 stop22h 06m
Frontier
Deal found 3/19![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
do 4/166:38 pm
CVG
- STL
1 stop13h 12m
Frontier
za 4/188:23 pm
STL
- CVG
1 stop20h 25m
Frontier
Deal found 3/18![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
zo 4/196:53 pm
CVG
- STL
1 stop12h 57m
Frontier
wo 4/228:23 pm
STL
- CVG
1 stop20h 10m
Frontier
Deal found 3/19![Frontier logo]()
$144
This Priceline deal was found by Cheapflights users on 3/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 4/254:26 pm
CVG
- STL
1 stop7h 53m
Frontier
zo 4/2611:44 am
STL
- CVG
1 stop5h 04m
Frontier
Deal found 3/20![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
za 4/257:46 pm
CVG
- STL
2 stops28h 33m
Frontier
vr 5/18:23 pm
STL
- CVG
1 stop21h 13m
Frontier
Deal found 3/20![Frontier logo]()
$238
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 maart 23, 2026.
Search for one-way flight options from Cincinnati to St. Louis. Find affordable one-way fares based on user searches. Data last updated maart 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
do 4/912:20 pm
CVG
- STL
1 stop6h 14m
Frontier
Deal found 3/19![Frontier logo]()
$69
This Priceline deal was found by Cheapflights users on 3/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 4/184:26 pm
CVG
- STL
1 stop7h 53m
Frontier
Deal found 3/20![Frontier logo]()
$70
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 5/18:17 pm
CVG
- STL
1 stop24h 15m
Frontier
Deal found 3/20![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
zo 4/196:53 pm
CVG
- STL
1 stop12h 57m
Frontier
Deal found 3/20![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
vr 5/812:46 pm
CVG
- STL
1 stop21h 09m
Frontier
Deal found 3/20![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
do 4/166:38 pm
CVG
- STL
1 stop13h 12m
Frontier
Deal found 3/21![Frontier logo]()
$86
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/215:20 pm
CVG
- STL
1 stop6h 59m
Frontier
Deal found 3/20![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
ma 5/47:46 pm
CVG
- STL
1 stop22h 50m
Frontier
Deal found 3/18![Frontier logo]()
$92
This Priceline deal was found by Cheapflights users on 3/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 5/2612:12 pm
CVG
- STL
1 stop6h 21m
Frontier
Deal found 3/20![Frontier logo]()
$95
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/308:17 pm
CVG
- STL
1 stop24h 04m
Frontier
Deal found 3/20![Frontier logo]()
$96
This Expedia deal was found by Cheapflights users on 3/19. 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.
wo 4/88:00 am
CVG
- STL
1 stop16h 25m
Frontier
Deal found 3/19![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 maart 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $144 (Kiwi.com) |
One-way from | $69 (Kiwi.com) |
Popular in | September |
Cheapest in | August |
Average price | $422 |
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 maart 23, 2026.
Use the filters below to find and compare flights from Cincinnati to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
do 5/7
12:55 pm-7:23 pm
1 stop7h 28m
Lambert-St Louis
za 5/9
4:19 pm-11:40 pm
1 stop6h 21m
$222
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
vr 4/3
2:26 pm-7:51 am
1 stop18h 25m
Lambert-St Louis
ma 4/6
8:19 pm-2:22 pm
1 stop17h 03m
$250
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
di 4/21
3:50 pm-9:05 pm
1 stop6h 15m
Lambert-St Louis
za 4/25
2:25 pm-8:45 pm
1 stop5h 20m
$275
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
ma 4/13
2:26 pm-11:25 pm
1 stop9h 59m
Lambert-St Louis
wo 4/15
8:23 pm-5:33 pm
1 stop20h 10m
$282
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
wo 5/6
7:05 am-3:15 pm
2 stops9h 10m
Lambert-St Louis
za 5/9
6:10 am-2:00 pm
2 stops6h 50m
$285
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
do 5/7
8:00 pm-12:24 am
1 stop5h 24m
Lambert-St Louis
za 5/9
10:25 am-5:04 pm
1 stop5h 39m
$311
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
do 4/16
6:35 am-3:25 pm
2 stops9h 50m
Lambert-St Louis
za 4/18
10:55 am-5:45 pm
2 stops5h 50m
$313
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
ma 4/13
6:35 am-2:55 pm
2 stops9h 20m
Lambert-St Louis
wo 4/15
5:35 am-12:40 pm
2 stops6h 05m
$319
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
ma 4/13
5:45 am-10:50 am
1 stop6h 05m
Lambert-St Louis
ma 4/13
4:00 pm-11:25 pm
1 stop6h 25m
$321
Quickest round-trip
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
wo 7/22
6:10 pm-9:26 pm
1 stop4h 16m
Lambert-St Louis
vr 7/24
9:23 am-3:29 pm
1 stop5h 06m
$335
Showing 1-10 of 21 resultsSorted by cheapest first
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 maart 23, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Complete your trip
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Cincinnati and St. Louis flights
Browse other Cincinnati and St. Louis flight options. Last updated on maart 23, 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 maart 23, 2026.
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 maart 23, 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$259 | Average$420 | FlexibilityNo cancel fee | On-time69% |