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$77+ Cheap flights from St. Louis to Cincinnati (STL - CVG)

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CVG
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to Cincinnati

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Cincinnati (CVG). 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 September 11, 2025.

Round-trip from

$143
(Priceline)

One-way from

$77
(Southwest)

Popular in

July

Cheapest in

August

Average price

$291
From Lambert-St Louis to Cincinnati Cinci./N. Kentucky
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One-way flight from Lambert-St Louis to Cincinnati Cinci./N. Kentucky
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Cincinnati

Cheapest flights from St. Louis to Cincinnati
Explore the most affordable flight options available from St. Louis to Cincinnati. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:57 pmSTL - CVG
1 stop10h 00mFrontier
Mon 9/295:20 amCVG - STL
1 stop8h 42mFrontier
Deal found 9/10$143
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:49 amSTL - CVG
1 stop12h 10mFrontier
Mon 9/295:20 amCVG - STL
1 stop8h 42mFrontier
Deal found 9/10$156
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:10 amSTL - CVG
1 stop5h 16mAmerican Airlines
Wed 10/16:31 pmCVG - STL
1 stop4h 22mAmerican Airlines
Deal found 9/10$189
This Priceline deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/191:57 pmSTL - CVG
1 stop10h 00mFrontier
Sun 9/215:20 amCVG - STL
1 stop8h 47mFrontier
Deal found 9/8$192
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:32 amSTL - CVG
1 stop21h 58mFrontier
Sun 10/121:08 pmCVG - STL
1 stop20h 59mFrontier
Deal found 9/10$213
This Booking.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:55 pmSTL - CVG
1 stop25h 46mFrontier
Sun 9/285:20 amCVG - STL
1 stop8h 47mFrontier
Deal found 9/8$217
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:52 pmSTL - CVG
2 stops27h 42mFrontier
Wed 10/296:05 amCVG - STL
1 stop28h 02mFrontier
Deal found 9/9$230

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Cincinnati 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 September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Cincinnati that are best for you.

Fly from

St. Louis

Fly to

Cincinnati

Route

Depart

Return

Price

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 9/25

10:49 am-11:59 pm

1 stop12h 10m

Cincinnati Cinci./N. Kentucky

Mon 9/29

5:20 am-1:02 pm

1 stop8h 42m

$156

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 9/30

6:10 am-12:26 pm

1 stop5h 16m

Cincinnati Cinci./N. Kentucky

Wed 10/1

6:31 pm-9:53 pm

1 stop4h 22m

$189

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 9/19

1:57 pm-12:57 am

1 stop10h 00m

Cincinnati Cinci./N. Kentucky

Sun 9/21

5:20 am-1:07 pm

1 stop8h 47m

$202

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 10/10

11:32 am-10:30 am

1 stop21h 58m

Cincinnati Cinci./N. Kentucky

Sun 10/12

1:08 pm-9:07 am

1 stop20h 59m

$213

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 10/22

7:52 pm-5:04 pm

1 stop20h 12m

Cincinnati Cinci./N. Kentucky

Wed 10/29

6:05 am-9:07 am

1 stop28h 02m

$213

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 9/26

7:55 pm-10:41 pm

1 stop25h 46m

Cincinnati Cinci./N. Kentucky

Sun 9/28

5:20 am-1:07 pm

1 stop8h 47m

$217

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 9/26

7:55 pm-1:37 pm

2 stops16h 42m

Cincinnati Cinci./N. Kentucky

Mon 9/29

3:54 pm-9:06 am

2 stops18h 12m

$245

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 9/19

1:57 pm-12:57 am

1 stop10h 00m

Cincinnati Cinci./N. Kentucky

Tue 9/23

8:00 am-9:06 am

1 stop26h 06m

$272

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 9/22

1:57 pm-12:57 am

1 stop10h 00m

Cincinnati Cinci./N. Kentucky

Tue 9/23

8:00 am-9:06 am

1 stop26h 06m

$272

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 11/11

6:05 am-12:50 pm

1 stop5h 45m

$77

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
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Best time to book a flight from St. Louis to Cincinnati

Have a flexible travel schedule? Discover the best time to fly to Cincinnati from St. Louis 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 St. Louis to Cincinnati

What is the cheapest month to book a flight from St. Louis to Cincinnati?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Cincinnati (average of $239). Flying from St. Louis to Cincinnati in March is currently the most expensive (average of $292). 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 STL to CVG?

Find hourly flight availability from St. Louis to Cincinnati. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from St. Louis to Cincinnati, 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 29% versus a flight in the morning.

Reviews of airlines servicing Cincinnati

Get insights into the airlines that provide service to Cincinnati. 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 Cincinnati. Reviews last updated September 11, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from St. Louis to Cincinnati have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Cincinnati. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Cincinnati?

    Frontier and American Airlines can get you from St. Louis to Cincinnati in just under 5h 16m. Your travel time can differ by up to 6h 54m. Airlines will cover a distance of 307 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Cincinnati round-trip?

    American Airlines, at $196, was found to be the cheapest airline from St. Louis to Cincinnati.Alternate airlines to your destination round-trip include Delta and United Airlines. These flights start at 48% lower than the current average price 3 months from now.

  • Can I find deals for flights from St. Louis to Cincinnati that include hotel bookings?

    Yes. In addition to deals on St. Louis to Cincinnati flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Cincinnati?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Cincinnati.

  • Can I find deals for business class flights from St. Louis to Cincinnati?

    Yes. Cheapflights offers flight deals from St. Louis to Cincinnati by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Cincinnati?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Cincinnati (average of $239). Flying from St. Louis to Cincinnati in March is currently the most expensive (average of $292). 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.

See more FAQs

Traveling to a place near Cincinnati?

Book flights to Cincinnati if you plan to visit one of these locations
Florence
Newport
Mason
Sharonville
West Chester
Covington
Hebron
Lawrenceburg
Fairfield
Blue Ash
Williamstown
Sparta
Middletown
Oxford
Edgewood
Dry Ridge

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Cincinnati

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Top 4 airlines flying from St. Louis to Cincinnati

Discover the top 4 airlines that operate flights from St. Louis to Cincinnati. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$356FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$261Average$406FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$326Average$406FlexibilityNo cancel feeOn-time63%

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