$71+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — STL
Apr 15 — Apr 221
Round-trip
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
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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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Best
Last-minute
One-way
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 March 16, 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 March 16, 2026.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:26 pm
CVG
- STL
1 stop18h 25m
Frontier
Fri 4/178:39 am
STL
- CVG
1 stop9h 44m
Frontier
Deal found 3/12![Frontier logo]()
$180
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:45 am
CVG
- STL
1 stop18h 40m
Frontier
Sat 4/188:17 pm
STL
- CVG
1 stop21h 55m
Frontier
Deal found 3/11![Frontier logo]()
$191
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:26 pm
CVG
- STL
1 stop7h 53m
Frontier
Sun 5/311:28 am
STL
- CVG
1 stop5h 48m
Frontier
Deal found 3/11![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Sat 5/912:46 pm
CVG
- STL
2 stops12h 35m
Frontier
Mon 5/115:27 pm
STL
- CVG
1 stop16h 37m
Frontier
Deal found 3/14![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 3/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:55 pm
CVG
- STL
1 stop7h 28m
Frontier
Sat 5/94:19 pm
STL
- CVG
1 stop6h 21m
Frontier
Deal found 3/14![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/177:46 pm
CVG
- STL
1 stop12h 04m
Frontier
Mon 4/208:23 pm
STL
- CVG
2 stops25h 57m
Frontier
Deal found 3/15![Frontier logo]()
$234
This Expedia deal was found by Cheapflights users on 3/13. 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 4/165:20 pm
CVG
- STL
1 stop6h 59m
Frontier
Fri 4/178:39 am
STL
- CVG
1 stop9h 44m
Frontier
Deal found 3/13![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 3/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:12 pm
CVG
- STL
1 stop6h 21m
Frontier
Mon 6/14:19 pm
STL
- CVG
1 stop6h 21m
Frontier
Deal found 3/14![Frontier logo]()
$256
This Gotogate deal was found by Cheapflights users on 3/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:16 pm
CVG
- STL
1 stop11h 35m
Frontier
Wed 6/244:44 pm
STL
- CVG
1 stop17h 36m
Frontier
Deal found 3/13![Frontier logo]()
$264
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 March 16, 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 March 16, 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.
Tue 4/73:50 pm
CVG
- STL
1 stop6h 15m
Southwest
Wed 4/82:30 pm
STL
- CVG
2 stops7h 25m
Southwest
Deal found 3/11![Southwest logo]()
$276
This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:38 pm
CVG
- STL
1 stop19h 43m
Frontier
Sat 5/28:17 pm
STL
- CVG
1 stop21h 55m
Frontier
Deal found 3/15![Frontier logo]()
$291
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:10 am
CVG
- STL
1 stop4h 19m
Delta
Mon 6/15:15 pm
STL
- CVG
1 stop4h 49m
Delta
Deal found 3/11![Delta logo]()
$311
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.
Sat 4/115:45 am
CVG
- STL
1 stop5h 15m
Southwest
Sat 4/1810:55 am
STL
- CVG
2 stops5h 50m
Southwest
Deal found 3/11![Southwest logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 5/17:46 pm
CVG
- STL
1 stop12h 04m
Frontier
Sun 5/38:06 pm
STL
- CVG
2 stops21h 30m
Frontier
Deal found 3/13![Frontier logo]()
$325
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:50 pm
CVG
- STL
2 stops8h 35m
Southwest
Mon 5/111:45 pm
STL
- CVG
2 stops7h 05m
Southwest
Deal found 3/14![Southwest logo]()
$303
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:45 am
CVG
- STL
2 stops8h 50m
Southwest
Sun 4/197:35 am
STL
- CVG
1 stop3h 15m
Southwest
Deal found 3/12![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 3/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:35 am
CVG
- STL
2 stops9h 50m
Southwest
Sat 5/22:05 pm
STL
- CVG
2 stops5h 40m
Southwest
Deal found 3/15![Southwest logo]()
$321
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 6/56:50 pm
CVG
- STL
2 stops6h 45m
Southwest
Mon 6/82:15 pm
STL
- CVG
2 stops7h 45m
Southwest
Deal found 3/11![Southwest logo]()
$329
Last-minute flights from Cincinnati to St. LouisDiscover last-minute flight deals from Cincinnati to St. Louis. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from Cincinnati to St. Louis. Data last updated March 16, 2026 and is based on user searches.
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:00 am
CVG
- STL
1 stop16h 25m
Frontier
Wed 4/88:16 pm
STL
- CVG
1 stop17h 06m
Frontier
Deal found 3/11![Frontier logo]()
$268
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 4/73:50 pm
CVG
- STL
1 stop6h 15m
Southwest
Wed 4/82:30 pm
STL
- CVG
2 stops7h 25m
Southwest
Deal found 3/11![Southwest logo]()
$276
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:26 pm
CVG
- STL
1 stop18h 25m
Frontier
Fri 4/178:39 am
STL
- CVG
1 stop9h 44m
Frontier
Deal found 3/12![Frontier logo]()
$180
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:45 am
CVG
- STL
1 stop18h 40m
Frontier
Sat 4/188:17 pm
STL
- CVG
1 stop21h 55m
Frontier
Deal found 3/11![Frontier logo]()
$191
This Gotogate deal was found by Cheapflights users on 3/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:16 pm
CVG
- STL
1 stop11h 35m
Frontier
Wed 6/244:44 pm
STL
- CVG
1 stop17h 36m
Frontier
Deal found 3/13![Frontier logo]()
$264
This Expedia deal was found by Cheapflights users on 3/13. 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 4/165:20 pm
CVG
- STL
1 stop6h 59m
Frontier
Fri 4/178:39 am
STL
- CVG
1 stop9h 44m
Frontier
Deal found 3/13![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/177:46 pm
CVG
- STL
1 stop12h 04m
Frontier
Mon 4/208:23 pm
STL
- CVG
2 stops25h 57m
Frontier
Deal found 3/15![Frontier logo]()
$234
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:17 pm
CVG
- STL
1 stop24h 15m
Frontier
Sun 4/2611:44 am
STL
- CVG
1 stop5h 04m
Frontier
Deal found 3/11![Frontier logo]()
$201
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:15 pm
CVG
- STL
1 stop3h 58m
United Airlines
Sat 5/27:45 am
STL
- CVG
1 stop4h 24m
United Airlines
Deal found 3/12![United Airlines logo]()
$273
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 March 16, 2026.
Search for one-way flight options from Cincinnati to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 16, 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.
Thu 4/212:20 pm
CVG
- STL
1 stop6h 14m
Frontier
Deal found 3/12![Frontier logo]()
$71
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:37 pm
CVG
- STL
1 stop7h 44m
Frontier
Deal found 3/11![Frontier logo]()
$90
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:15 pm
CVG
- STL
1 stop3h 58m
United Airlines
Deal found 3/12![United Airlines logo]()
$136
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:50 pm
CVG
- STL
2 stops7h 20m
Southwest
Deal found 3/12![Southwest logo]()
$141
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/128:40 pm
CVG
- STL
1 stop23h 33m
Frontier
Deal found 3/11![Frontier logo]()
$151
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/66:00 pm
CVG
- STL
1 stop4h 11m
American Airlines
Deal found 3/13![American Airlines logo]()
$156
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/291:20 pm
CVG
- STL
1 stop11h 06m
Frontier
Deal found 3/10![Frontier logo]()
$161
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:59 pm
CVG
- STL
1 stop3h 55m
American Airlines
Deal found 3/11![American Airlines logo]()
$164
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:49 am
CVG
- STL
1 stop8h 24m
Frontier
Deal found 3/11![Frontier logo]()
$165
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.
Wed 4/18:00 am
CVG
- STL
2 stops34h 34m
Frontier
Deal found 3/12![Frontier logo]()
$166
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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (Expedia) |
One-way from | $71 (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 March 16, 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
Tue 4/7
3:50 pm-9:05 pm
1 stop6h 15m
Lambert-St Louis
Wed 4/8
2:30 pm-10:55 pm
2 stops7h 25m
$276
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Sat 4/11
5:45 am-10:00 am
1 stop5h 15m
Lambert-St Louis
Sat 4/18
10:55 am-5:45 pm
2 stops5h 50m
$288
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Fri 5/1
8:38 pm-3:21 pm
1 stop19h 43m
Lambert-St Louis
Sat 5/2
8:17 pm-7:12 pm
1 stop21h 55m
$291
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Sat 5/9
12:50 pm-8:25 pm
2 stops8h 35m
Lambert-St Louis
Mon 5/11
1:45 pm-9:50 pm
2 stops7h 05m
$303
Quickest round-trip
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Thu 5/28
6:10 am-9:29 am
1 stop4h 19m
Lambert-St Louis
Mon 6/1
5:15 pm-11:04 pm
1 stop4h 49m
$311
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Sat 4/18
5:45 am-1:35 pm
2 stops8h 50m
Lambert-St Louis
Sun 4/19
7:35 am-11:50 am
1 stop3h 15m
$316
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Fri 5/1
6:35 am-3:25 pm
2 stops9h 50m
Lambert-St Louis
Sat 5/2
2:05 pm-8:45 pm
2 stops5h 40m
$321
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Fri 5/1
7:46 pm-6:50 am
1 stop12h 04m
Lambert-St Louis
Sun 5/3
8:06 pm-6:36 pm
2 stops21h 30m
$325
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Fri 6/5
6:50 pm-12:35 am
2 stops6h 45m
Lambert-St Louis
Mon 6/8
2:15 pm-11:00 pm
2 stops7h 45m
$329
Cheapest one-way
Quickest one-way
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Wed 4/22
6:15 pm-9:52 pm
1 stop4h 37m
$136
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 March 16, 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.
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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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Cincinnati and St. Louis flights
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Top 4 airlines flying from Cincinnati to St. Louis
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$218 | Average$289 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$476 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$332 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$259 | Average$420 | FlexibilityNo cancel fee | On-time69% |