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

Frontier is the most popular carrier operating from Lambert-St Louis to Cincinnati Cinci./N. Kentucky

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.

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.

$81 Cheap Flights from St. Louis to Cincinnati in 2025/26

Q: What is the typical price of a round-trip flight between St. Louis and Cincinnati?

Prices are currently low for flights on this route. Typical prices usually range from $269 to $440. The lowest price recently found on this route was $155.

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5:11 pm - 10:52 amSTL-CVG

16h 41m1 stop

7:13 pm - 8:40 amCVG-STL

14h 27m1 stop

$155Frontier

Find Deal

Wed, Jan 7 - Sat, Jan 10

3:30 pm - 10:52 amSTL-CVG

18h 22m1 stop

5:05 am - 10:33 pmCVG-STL

18h 28m1 stop

$163Frontier

Find Deal

Thu, Dec 11 - Mon, Dec 15

7:43 pm - 1:13 pmSTL-CVG

16h 30m1 stop

11:57 am - 10:33 pmCVG-STL

11h 36m1 stop

$164Frontier

Find Deal

Sat, Jan 10 - Mon, Jan 12

3:30 pm - 5:44 pmSTL-CVG

25h 14m1 stop

5:05 am - 10:33 pmCVG-STL

18h 28m1 stop

$183Frontier

Find Deal

Tue, Dec 9 - Sat, Dec 13

5:11 pm - 10:52 amSTL-CVG

16h 41m1 stop

7:13 pm - 2:48 pmCVG-STL

20h 35m2 stops

$186Frontier

Find Deal

Wed, Jan 7 - Sat, Jan 10

5:11 pm - 1:03 pmSTL-CVG

18h 52m2 stops

11:57 am - 10:33 pmCVG-STL

11h 36m1 stop

$212Multiple Airlines

Find Deal

Sat, Jan 10 - Mon, Jan 12

10:42 am - 7:18 pmSTL-CVG

7h 36m1 stop

7:30 am - 8:12 amCVG-STL

25h 42m1 stop

$232Frontier

Find Deal

Thu, Dec 18 - Thu, Jan 1

3:30 pm - 5:44 pmSTL-CVG

25h 14m1 stop

8:55 pm - 10:33 pmCVG-STL

26h 38m1 stop

$236Frontier

Find Deal

Tue, Dec 9 - Thu, Dec 11

8:00 am - 3:37 pmSTL-CVG

6h 37m1 stop

4:45 pm - 9:57 pmCVG-STL

6h 12m1 stop

$257Delta

Find Deal

Sat, Dec 13 - Tue, Dec 16

6:35 am - 1:26 pmSTL-CVG

5h 51m1 stop

2:19 pm - 7:22 pmCVG-STL

6h 03m1 stop

$269Delta

Find Deal

Mon, Mar 2 - Wed, Mar 4

Frontier flights from St. Louis to Cincinnati

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

Frontier

Jan 7

STL5:11 pmLambert-St Louis

16h 41m

1 stop

CVG10:52 amCincinnati Cinci./N. Kentucky

Jan 10

CVG7:13 pmCincinnati Cinci./N. Kentucky

14h 27m

1 stop

STL8:40 amLambert-St Louis

$155

Find similar

Frontier

Dec 11

STL3:30 pmLambert-St Louis

18h 22m

1 stop

CVG10:52 amCincinnati Cinci./N. Kentucky

Dec 15

CVG5:05 amCincinnati Cinci./N. Kentucky

18h 28m

1 stop

STL10:33 pmLambert-St Louis

$163

Find similar

Frontier

Jan 10

STL7:43 pmLambert-St Louis

16h 30m

1 stop

CVG1:13 pmCincinnati Cinci./N. Kentucky

Jan 12

CVG11:57 amCincinnati Cinci./N. Kentucky

11h 36m

1 stop

STL10:33 pmLambert-St Louis

$164

Find similar

Delta flights from St. Louis to Cincinnati

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

Delta

Dec 13

STL8:00 amLambert-St Louis

6h 37m

1 stop

CVG3:37 pmCincinnati Cinci./N. Kentucky

Dec 16

CVG4:45 pmCincinnati Cinci./N. Kentucky

6h 12m

1 stop

STL9:57 pmLambert-St Louis

$257

Find similar

Delta

Mar 2

STL6:35 amLambert-St Louis

5h 51m

1 stop

CVG1:26 pmCincinnati Cinci./N. Kentucky

Mar 4

CVG2:19 pmCincinnati Cinci./N. Kentucky

6h 03m

1 stop

STL7:22 pmLambert-St Louis

$269

Find similar

Delta

Jan 8

STL6:00 amLambert-St Louis

6h 20m

1 stop

CVG1:20 pmCincinnati Cinci./N. Kentucky

Jan 12

CVG4:59 pmCincinnati Cinci./N. Kentucky

4h 38m

1 stop

STL8:37 pmLambert-St Louis

$281

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 1/7

5:11 pm-10:52 am

1 stop16h 41m

Cincinnati Cinci./N. Kentucky

Sat 1/10

7:13 pm-8:40 am

1 stop14h 27m

$155

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 12/11

3:30 pm-10:52 am

1 stop18h 22m

Cincinnati Cinci./N. Kentucky

Mon 12/15

5:05 am-10:33 pm

1 stop18h 28m

$163

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 1/10

7:43 pm-1:13 pm

1 stop16h 30m

Cincinnati Cinci./N. Kentucky

Mon 1/12

11:57 am-10:33 pm

1 stop11h 36m

$164

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 12/9

3:30 pm-5:44 pm

1 stop25h 14m

Cincinnati Cinci./N. Kentucky

Sat 12/13

5:05 am-10:33 pm

1 stop18h 28m

$183

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 1/7

5:11 pm-10:52 am

1 stop16h 41m

Cincinnati Cinci./N. Kentucky

Sat 1/10

7:13 pm-2:48 pm

2 stops20h 35m

$186

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 1/10

5:11 pm-1:03 pm

2 stops18h 52m

Cincinnati Cinci./N. Kentucky

Mon 1/12

11:57 am-10:33 pm

1 stop11h 36m

$212

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 12/18

10:42 am-7:18 pm

1 stop7h 36m

Cincinnati Cinci./N. Kentucky

Thu 1/1

7:30 am-8:12 am

1 stop25h 42m

$232

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 12/9

3:30 pm-5:44 pm

1 stop25h 14m

Cincinnati Cinci./N. Kentucky

Thu 12/11

8:55 pm-10:33 pm

1 stop26h 38m

$236

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 12/13

8:00 am-3:37 pm

1 stop6h 37m

Cincinnati Cinci./N. Kentucky

Tue 12/16

4:45 pm-9:57 pm

1 stop6h 12m

$257

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 3/2

6:35 am-1:26 pm

1 stop5h 51m

Cincinnati Cinci./N. Kentucky

Wed 3/4

2:19 pm-7:22 pm

1 stop6h 03m

$269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 typical price of a round-trip flight between St. Louis and Cincinnati?

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

Fastest flight time	4h 06m
Direct flights	None

The fastest flight from St. Louis to Cincinnati takes 4h 06m

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 4h 07m, 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 61% of the total bookings. Other popular airlines include Delta with 21% and United Airlines with 18%.

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 11,038 reviews	Search American Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
United Airlines	PriceFrom $261	Free Cancellation	Rating 7.4 9,046 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 $81

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 2/23. 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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Frontier flights from St. Louis to Cincinnati

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

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

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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 typical price of a round-trip flight between St. Louis and Cincinnati?

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 is the most popular carrier 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

Fastest flight time

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