$62+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — STL
Jan 25 — Feb 11
1 adult, Economy
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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
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 December 26, 2025.
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 December 26, 2025.
This Travelocity deal was found by Cheapflights users on 12/23. 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.
Fri 12/261:20 pmCVG - STL
1 stop21h 42mFrontier
Sun 12/284:27 pmSTL - CVG
1 stop26h 54mFrontier
Deal found 12/23![Frontier logo]()
$472
This United Airlines deal was found by Cheapflights users on 12/23. 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.
Sun 12/285:45 pmCVG - STL
1 stop4h 58mUnited Airlines
Wed 12/315:02 pmSTL - CVG
1 stop5h 36mUnited Airlines
Deal found 12/23![United Airlines logo]()
$503
This Southwest deal was found by Cheapflights users on 12/23. 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.
Sun 12/285:50 amCVG - STL
2 stops12h 40mSouthwest
Wed 12/316:05 amSTL - CVG
1 stop5h 45mSouthwest
Deal found 12/23![Southwest logo]()
$514
This Southwest deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:40 amCVG - STL
1 stop5h 45mSouthwest
Sat 1/35:45 pmSTL - CVG
1 stop5h 45mSouthwest
Deal found 12/25![Southwest logo]()
$637
This American Airlines deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:55 pmCVG - STL
1 stop6h 35mAmerican Airlines
Sun 12/285:00 amSTL - CVG
1 stop4h 04mAmerican Airlines
Deal found 12/25![American Airlines logo]()
$704
This Southwest deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:40 amCVG - STL
1 stop3h 30mSouthwest
Wed 12/314:25 pmSTL - CVG
1 stop3h 10mSouthwest
Deal found 12/25![Southwest logo]()
$712
This Delta deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:40 amCVG - STL
1 stop4h 41mDelta
Sat 12/276:25 pmSTL - CVG
1 stop3h 32mDelta
Deal found 12/24![Delta logo]()
$717
This Southwest deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:40 amCVG - STL
1 stop3h 30mSouthwest
Sat 12/277:45 amSTL - CVG
2 stops8h 35mSouthwest
Deal found 12/24![Southwest logo]()
$722
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 December 26, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $145 (Frontier) |
One-way from | $63 (Trip.com) |
Popular in | September |
Cheapest in | August |
Average price | $416 |
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 December 26, 2025.
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
Sat 1/17
2:27 pm-10:34 pm
1 stop9h 07m
Lambert-St Louis
Sat 1/24
12:12 pm-10:20 pm
1 stop9h 08m
$145
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Fri 1/23
1:45 pm-2:46 pm
1 stop26h 01m
Lambert-St Louis
Fri 1/30
5:42 pm-3:03 pm
1 stop20h 21m
$163
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Mon 1/5
11:57 am-10:33 pm
1 stop11h 36m
Lambert-St Louis
Thu 1/8
1:07 pm-11:38 pm
1 stop9h 31m
$183
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Fri 2/6
7:00 am-11:11 am
1 stop29h 11m
Lambert-St Louis
Mon 2/9
5:42 pm-9:25 pm
1 stop26h 43m
$197
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Mon 1/12
11:57 am-10:33 pm
1 stop11h 36m
Lambert-St Louis
Thu 1/15
1:35 pm-12:29 am
1 stop9h 54m
$213
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Fri 2/6
7:00 am-11:33 pm
1 stop17h 33m
Lambert-St Louis
Tue 2/10
3:49 pm-9:25 pm
1 stop28h 36m
$216
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Mon 1/26
9:00 am-11:33 pm
1 stop15h 33m
Lambert-St Louis
Thu 1/29
5:42 pm-1:00 pm
1 stop18h 18m
$248
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Sat 2/14
3:20 pm-11:59 pm
1 stop9h 39m
Lambert-St Louis
Fri 2/20
1:59 pm-11:42 pm
1 stop8h 43m
$248
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Sun 1/18
6:00 am-11:05 am
1 stop6h 05m
$115
CincinnatiSt. Louis
CVG - STL
CVGSTL
Cincinnati Cinci./N. Kentucky
Sat 2/14
11:17 am-4:02 pm
1 stop5h 45m
$115
Showing 1-10 of 17 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 December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cincinnati-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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
What is the cheapest month to book a flight from Cincinnati to St. Louis?
Currently, October is the cheapest month in which you can book a flight from Cincinnati to St. Louis (average of $85). Flying from Cincinnati to St. Louis in April is currently the most expensive (average of $273). 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 CVG to STL?
Find hourly flight availability from Cincinnati 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 December 26, 2025.
When flying from Cincinnati to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight in the afternoon.
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 December 26, 2025.
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
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
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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Alternative routes for Cincinnati to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Cincinnati to St. Louis
Discover the top 5 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 December 26, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$275 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$218 | Average$289 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$472 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$336 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$262 | Average$367 | FlexibilityNo cancel fee | On-time69% |