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

4 flights are operational weekly from St. Louis to Cincinnati as of December 2025. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.

What airlines fly to Cincinnati?

American Airlines, Delta and Southwest 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 62% 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 and American 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 December 2025, there are 2 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.

$63 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 $311 to $519. The lowest price recently found on this route was $183.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Cincinnati

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:07 pm - 11:38 pm

STL

CVG

9h 31m1 stop

9:30 pm - 6:51 am

CVG

STL

10h 21m1 stop

$183Frontier

Thu, Jan 8 - Thu, Jan 15

8:35 am - 4:25 pm

STL

CVG

6h 50m1 stop

11:57 am - 10:33 pm

CVG

STL

11h 36m1 stop

$197Frontier

Fri, Jan 9 - Mon, Jan 12

8:32 pm - 7:31 am

STL

CVG

9h 59m1 stop

9:30 pm - 6:51 am

CVG

STL

10h 21m1 stop

$200Frontier

Sat, Jan 17 - Sun, Jan 18

10:01 pm - 11:57 pm

STL

CVG

24h 56m1 stop

7:00 am - 11:33 pm

CVG

STL

17h 33m1 stop

$204Frontier

Thu, Jan 29 - Mon, Feb 2

1:40 pm - 11:45 pm

STL

CVG

9h 05m2 stops

10:00 am - 1:03 pm

CVG

STL

4h 03m1 stop

$234American Airlines

Sat, Jan 17 - Sun, Jan 18

10:01 pm - 8:53 pm

STL

CVG

21h 52m2 stops

7:00 am - 11:33 pm

CVG

STL

17h 33m1 stop

$240Frontier

Thu, Jan 29 - Mon, Feb 2

1:58 pm - 11:20 pm

STL

CVG

8h 22m1 stop

8:48 pm - 11:19 am

CVG

STL

15h 31m1 stop

$281Frontier

Sat, Mar 7 - Fri, Mar 13

11:35 am - 10:25 pm

STL

CVG

9h 50m2 stops

1:35 pm - 8:35 pm

CVG

STL

8h 00m2 stops

$291Southwest

Thu, Jan 29 - Mon, Feb 2

9:55 am - 3:28 pm

STL

CVG

4h 33m1 stop

11:17 am - 4:02 pm

CVG

STL

5h 45m1 stop

$303United Airlines

Wed, Feb 18 - Sat, Feb 21

5:11 pm - 10:52 am

STL

CVG

16h 41m1 stop

3:09 pm - 12:40 pm

CVG

STL

22h 31m1 stop

$307Frontier

Sun, Jan 11 - Thu, Jan 15

Southwest flights from St. Louis to Cincinnati

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

Southwest

Jan 29

STL11:35 amLambert-St Louis

9h 50m

2 stops

CVG10:25 pmCincinnati Cinci./N. Kentucky

Feb 2

CVG1:35 pmCincinnati Cinci./N. Kentucky

8h 00m

2 stops

STL8:35 pmLambert-St Louis

$291

Find similar

Southwest

Jan 17

STL8:40 amLambert-St Louis

10h 25m

2 stops

CVG8:05 pmCincinnati Cinci./N. Kentucky

Jan 18

CVG1:35 pmCincinnati Cinci./N. Kentucky

8h 00m

2 stops

STL8:35 pmLambert-St Louis

$399

Find similar

Southwest

Dec 29

STL9:50 amLambert-St Louis

7h 55m

2 stops

CVG6:45 pmCincinnati Cinci./N. Kentucky

Dec 31

CVG5:50 amCincinnati Cinci./N. Kentucky

9h 00m

2 stops

STL1:50 pmLambert-St Louis

$727

Find similar

Frontier flights from St. Louis to Cincinnati

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

Frontier

Jan 8

STL1:07 pmLambert-St Louis

9h 31m

1 stop

CVG11:38 pmCincinnati Cinci./N. Kentucky

Jan 15

CVG9:30 pmCincinnati Cinci./N. Kentucky

10h 21m

1 stop

STL6:51 amLambert-St Louis

$183

Find similar

Frontier

Jan 9

STL8:35 amLambert-St Louis

6h 50m

1 stop

CVG4:25 pmCincinnati Cinci./N. Kentucky

Jan 12

CVG11:57 amCincinnati Cinci./N. Kentucky

11h 36m

1 stop

STL10:33 pmLambert-St Louis

$197

Find similar

Frontier

Jan 17

STL8:32 pmLambert-St Louis

9h 59m

1 stop

CVG7:31 amCincinnati Cinci./N. Kentucky

Jan 18

CVG9:30 pmCincinnati Cinci./N. Kentucky

10h 21m

1 stop

STL6:51 amLambert-St Louis

$200

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 1/8

1:07 pm-11:38 pm

1 stop9h 31m

Cincinnati Cinci./N. Kentucky

Thu 1/15

9:30 pm-6:51 am

1 stop10h 21m

$183

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 1/9

8:35 am-4:25 pm

1 stop6h 50m

Cincinnati Cinci./N. Kentucky

Mon 1/12

11:57 am-10:33 pm

1 stop11h 36m

$197

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 1/17

8:32 pm-7:31 am

1 stop9h 59m

Cincinnati Cinci./N. Kentucky

Sun 1/18

9:30 pm-6:51 am

1 stop10h 21m

$200

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 1/29

10:01 pm-11:57 pm

1 stop24h 56m

Cincinnati Cinci./N. Kentucky

Mon 2/2

7:00 am-11:33 pm

1 stop17h 33m

$204

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 1/17

1:40 pm-11:45 pm

2 stops9h 05m

Cincinnati Cinci./N. Kentucky

Sun 1/18

10:00 am-1:03 pm

1 stop4h 03m

$234

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 1/29

10:01 pm-8:53 pm

2 stops21h 52m

Cincinnati Cinci./N. Kentucky

Mon 2/2

7:00 am-11:33 pm

1 stop17h 33m

$240

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 3/7

1:58 pm-11:20 pm

1 stop8h 22m

Cincinnati Cinci./N. Kentucky

Fri 3/13

8:48 pm-11:19 am

1 stop15h 31m

$281

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 1/29

11:35 am-10:25 pm

2 stops9h 50m

Cincinnati Cinci./N. Kentucky

Mon 2/2

1:35 pm-8:35 pm

2 stops8h 00m

$291

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 2/18

9:55 am-3:28 pm

1 stop4h 33m

Cincinnati Cinci./N. Kentucky

Sat 2/21

11:17 am-4:02 pm

1 stop5h 45m

$303

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sun 1/11

5:11 pm-10:52 am

1 stop16h 41m

Cincinnati Cinci./N. Kentucky

Thu 1/15

3:09 pm-12:40 pm

1 stop22h 31m

$307

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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.

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

As of December 2025, prices for St. Louis to Cincinnati flights are approximately 30% 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	3h 47m
Direct flights	None

The fastest flight from St. Louis to Cincinnati takes 3h 47m

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 47m, 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 December 2025, there are 2 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 71% of the total bookings. Other popular airlines include Delta with 29%.

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 11,072 reviews		Search American Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 8,019 reviews		Search Delta 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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 1/27

Tue 2/3

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Ohio

Lima Allen County Airport

Columbus Airport

Akron/Canton Airport

Cleveland Hopkins Intl Airport

Dayton Airport

Toledo Express Airport

Youngstown Airport

Popular cities in the United States

Flights to New Yorkfrom $50

Flights to Los Angelesfrom $47

Flights to Miamifrom $50

Flights to Chicagofrom $51

Flights to Orlandofrom $49

Flights to San Franciscofrom $59

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $58

Flights to Bostonfrom $51

Flights to Atlantafrom $44

Flights to Dallasfrom $51

Flights to Seattlefrom $57

Cheap flights from St. Louis to Cincinnati from $63

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 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from St. Louis to Cincinnati

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Southwest flights from St. Louis to Cincinnati

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

Frontier flights from St. Louis to Cincinnati

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

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Cincinnati that are best for you.

See travel insights to Cincinnati from

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

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?

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

As of December 2025, prices for St. Louis to Cincinnati flights are approximately 30% 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 and American 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?

4 flights are operational weekly from St. Louis to Cincinnati as of December 2025. The most popular departure day for this route is Mon, with 25% 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