How many flights depart from St. Louis to Cincinnati on average per week?

3 flights are operational weekly from St. Louis to Cincinnati as of November 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

What airlines fly to Cincinnati?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Cincinnati from St. Louis according to our data. American Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Cincinnati. Keep in mind that there are 4 different airlines that fly to Cincinnati on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Lambert-St Louis to Cincinnati Cinci./N. Kentucky?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Lambert-St Louis to Cincinnati Cinci./N. Kentucky

When did momondo last update prices for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport?

Prices for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport?

As of November 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport.

How old do you have to be to fly from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport.

What documentation or ID do you need to fly to Cincinnati Cinci./N. Kentucky Airport?

The travel and health documents required for your trip to Cincinnati Cinci./N. Kentucky Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cincinnati Cinci./N. Kentucky Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$55 Cheap Flights from St. Louis to Cincinnati in 2025/26

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Cheap round-trip flights

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7:43 pm - 10:46 amSTL-CVG

14h 03m1 stop

9:25 pm - 11:57 pmCVG-STL

27h 32m1 stop

$154Frontier

Find Deal

Wed, Nov 26 - Sun, Nov 30

4:13 pm - 3:28 pmSTL-CVG

22h 15m1 stop

9:25 pm - 11:57 pmCVG-STL

27h 32m1 stop

$156Frontier

Find Deal

Tue, Nov 25 - Sun, Nov 30

7:43 pm - 2:08 amSTL-CVG

29h 25m1 stop

8:20 pm - 10:02 amCVG-STL

38h 42m2 stops

$176Frontier

Find Deal

Sat, Dec 20 - Mon, Jan 5

9:54 pm - 12:39 amSTL-CVG

25h 45m2 stops

9:25 pm - 11:57 pmCVG-STL

27h 32m1 stop

$179Frontier

Find Deal

Tue, Nov 25 - Sun, Nov 30

7:57 pm - 12:39 amSTL-CVG

27h 42m1 stop

11:57 am - 10:33 pmCVG-STL

11h 36m1 stop

$200Frontier

Find Deal

Thu, Nov 27 - Wed, Dec 3

7:43 pm - 10:21 amSTL-CVG

13h 38m2 stops

9:25 pm - 11:57 pmCVG-STL

27h 32m1 stop

$201Frontier

Find Deal

Wed, Nov 26 - Sun, Nov 30

10:42 am - 4:23 pmSTL-CVG

4h 41m1 stop

11:57 am - 10:33 pmCVG-STL

11h 36m1 stop

$206Frontier

Find Deal

Fri, Dec 5 - Mon, Dec 8

7:43 pm - 2:08 amSTL-CVG

29h 25m1 stop

9:26 pm - 10:33 pmCVG-STL

26h 07m1 stop

$211Frontier

Find Deal

Sat, Dec 20 - Mon, Jan 5

9:54 pm - 4:03 pmSTL-CVG

17h 09m1 stop

11:57 am - 11:07 amCVG-STL

24h 10m2 stops

$212Frontier

Find Deal

Thu, Nov 27 - Wed, Dec 3

12:04 pm - 10:48 pmSTL-CVG

9h 44m2 stops

11:59 am - 9:52 amCVG-STL

22h 53m1 stop

$219Frontier

Find Deal

Thu, Dec 4 - Sun, Dec 7

Delta flights from St. Louis to Cincinnati

Our best Delta deals on St. Louis to Cincinnati flight tickets

Delta

Feb 28

STL10:13 amLambert-St Louis

5h 43m

1 stop

CVG4:56 pmCincinnati Cinci./N. Kentucky

Mar 4

CVG2:19 pmCincinnati Cinci./N. Kentucky

6h 05m

1 stop

STL7:24 pmLambert-St Louis

$257

Find similar

Delta

Feb 28

STL5:00 pmLambert-St Louis

5h 58m

1 stop

CVG11:58 pmCincinnati Cinci./N. Kentucky

Mar 4

CVG2:19 pmCincinnati Cinci./N. Kentucky

6h 05m

1 stop

STL7:24 pmLambert-St Louis

$287

Find similar

Delta

Dec 2

STL9:30 amLambert-St Louis

5h 19m

1 stop

CVG3:49 pmCincinnati Cinci./N. Kentucky

Dec 4

CVG2:20 pmCincinnati Cinci./N. Kentucky

4h 36m

1 stop

STL5:56 pmLambert-St Louis

$360

Find similar

Frontier flights from St. Louis to Cincinnati

Our best Frontier deals on St. Louis to Cincinnati flight tickets

Frontier

Nov 26

STL7:43 pmLambert-St Louis

14h 03m

1 stop

CVG10:46 amCincinnati Cinci./N. Kentucky

Nov 30

CVG9:25 pmCincinnati Cinci./N. Kentucky

27h 32m

1 stop

STL11:57 pmLambert-St Louis

$154

Find similar

Frontier

Nov 25

STL4:13 pmLambert-St Louis

22h 15m

1 stop

CVG3:28 pmCincinnati Cinci./N. Kentucky

Nov 30

CVG9:25 pmCincinnati Cinci./N. Kentucky

27h 32m

1 stop

STL11:57 pmLambert-St Louis

$156

Find similar

Frontier

Dec 20

STL7:43 pmLambert-St Louis

29h 25m

1 stop

CVG2:08 amCincinnati Cinci./N. Kentucky

Jan 5

CVG8:20 pmCincinnati Cinci./N. Kentucky

38h 42m

2 stops

STL10:02 amLambert-St Louis

$176

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 11/26

7:43 pm-10:46 am

1 stop14h 03m

Cincinnati Cinci./N. Kentucky

Sun 11/30

9:25 pm-11:57 pm

1 stop27h 32m

$154

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 11/25

4:13 pm-3:28 pm

1 stop22h 15m

Cincinnati Cinci./N. Kentucky

Sun 11/30

9:25 pm-11:57 pm

1 stop27h 32m

$156

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 12/20

7:43 pm-2:08 am

1 stop29h 25m

Cincinnati Cinci./N. Kentucky

Mon 1/5

8:20 pm-10:02 am

2 stops38h 42m

$176

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 11/25

9:54 pm-12:39 am

2 stops25h 45m

Cincinnati Cinci./N. Kentucky

Sun 11/30

9:25 pm-11:57 pm

1 stop27h 32m

$179

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 11/27

7:57 pm-12:39 am

1 stop27h 42m

Cincinnati Cinci./N. Kentucky

Wed 12/3

11:57 am-10:33 pm

1 stop11h 36m

$200

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 11/26

7:43 pm-10:21 am

2 stops13h 38m

Cincinnati Cinci./N. Kentucky

Sun 11/30

9:25 pm-11:57 pm

1 stop27h 32m

$201

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 12/5

10:42 am-4:23 pm

1 stop4h 41m

Cincinnati Cinci./N. Kentucky

Mon 12/8

11:57 am-10:33 pm

1 stop11h 36m

$206

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 12/20

7:43 pm-2:08 am

1 stop29h 25m

Cincinnati Cinci./N. Kentucky

Mon 1/5

9:26 pm-10:33 pm

1 stop26h 07m

$211

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 11/27

9:54 pm-4:03 pm

1 stop17h 09m

Cincinnati Cinci./N. Kentucky

Wed 12/3

11:57 am-11:07 am

2 stops24h 10m

$212

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 12/4

12:04 pm-10:48 pm

2 stops9h 44m

Cincinnati Cinci./N. Kentucky

Sun 12/7

11:59 am-9:52 am

1 stop22h 53m

$219

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How to get the cheapest flight ticket from St. Louis to Cincinnati

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Cincinnati?

According to our data, Saturday is the cheapest day to fly to Cincinnati from St. Louis. The lowest ticket price found for a Saturday departure recently was $263. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Monday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $424.

What is the cheapest time of day to depart on your flight to Cincinnati?

Our most recent data shows that the best time of day to fly to Cincinnati is in the evening. Flights from St. Louis to Cincinnati during this time can be as low as $248. In the morning is when there is more demand to fly to Cincinnati, so prices are often more expensive at around $346 per ticket.

How have St. Louis to Cincinnati flight prices changed over time?

As of November 2025, prices for St. Louis to Cincinnati flights are approximately 54% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Cincinnati

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Cincinnati according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Cincinnati (STL to CVG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Cincinnati

Direct flights	None

There are no direct flights from St. Louis to Cincinnati. There are no popular flight routes from St. Louis to Cincinnati.

Search flight deals

How far is Lambert-St Louis to Cincinnati Cinci./N. Kentucky by plane?
There are 307.3 mi between Lambert-St Louis and Cincinnati Cinci./N. Kentucky. Flights usually cover this in 3h 45m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport?
Prices for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport?
As of November 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport.
What documentation or ID do you need to fly to Cincinnati Cinci./N. Kentucky Airport?
The travel and health documents required for your trip to Cincinnati Cinci./N. Kentucky Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cincinnati Cinci./N. Kentucky Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from St. Louis to Cincinnati?
Based on momondo bookings for flights between St. Louis and Cincinnati, the leading airline is American Airlines, making up 60% of the total bookings. Other popular airlines include Delta with 23% and United Airlines with 17%.

Best airlines flying from St. Louis to Cincinnati

Compare and see reviews for airlines that fly from St. Louis to Cincinnati with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $261	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights

Florence

Mason

Newport

Sharonville

Covington

Middletown

Williamstown

Lawrenceburg

Blue Ash

West Chester

Fairfield

Oxford

Dry Ridge

Monroe

Edgewood

Hebron

Bethel

Ghent

Trenton

Corinth

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Cincinnati?

It is quick and easy to find St. Louis to Cincinnati flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cincinnati that suits you.

Can I find flights from St. Louis to Cincinnati with flexible booking policies on momondo?

Flights from St. Louis to Cincinnati with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Cincinnati?

Once all potential St. Louis to Cincinnati flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Cincinnati right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Cincinnati from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Cincinnati trip

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Cheap flights from St. Louis to Cincinnati from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Cincinnati departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from St. Louis to Cincinnati

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How to get the cheapest flight ticket from St. Louis to Cincinnati

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Cincinnati?

What is the cheapest time of day to depart on your flight to Cincinnati?

Our most recent data shows that the best time of day to fly to Cincinnati is in the evening. Flights from St. Louis to Cincinnati during this time can be as low as $248. In the morning is when there is more demand to fly to Cincinnati, so prices are often more expensive at around $346 per ticket.

How have St. Louis to Cincinnati flight prices changed over time?

As of November 2025, prices for St. Louis to Cincinnati flights are approximately 54% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Lambert-St Louis to Cincinnati Cinci./N. Kentucky?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Lambert-St Louis to Cincinnati Cinci./N. Kentucky

What airlines fly to Cincinnati?

How many flights depart from St. Louis to Cincinnati on average per week?

3 flights are operational weekly from St. Louis to Cincinnati as of November 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

When to book flights from St. Louis to Cincinnati

Cheap St. Louis to Cincinnati (STL to CVG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Cincinnati

Direct flights

How far is Lambert-St Louis to Cincinnati Cinci./N. Kentucky by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport?

How many operators does momondo search for flights from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport?

How old do you have to be to fly from Lambert-St Louis Airport to Cincinnati Cinci./N. Kentucky Airport?

What documentation or ID do you need to fly to Cincinnati Cinci./N. Kentucky Airport?

What is the most popular airline from St. Louis to Cincinnati?

Best airlines flying from St. Louis to Cincinnati

Compare and see reviews for airlines that fly from St. Louis to Cincinnati with momondo

Traveling to a place near Cincinnati?

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Cincinnati?

Can I find flights from St. Louis to Cincinnati with flexible booking policies on momondo?

How can momondo help me find flights from St. Louis to Cincinnati?

I’m not ready to book a flight from St. Louis to Cincinnati right now. Can momondo alert me if prices change?

An easier way to manage your Cincinnati trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Ohio