Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Cincinnati from $70

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 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Cincinnati

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:59 pm - 3:52 pm
STL
-
CVG
21h 53m
1 stop
Frontier Logo
6:00 am - 11:19 pm
CVG
-
STL
18h 19m
1 stop
$142Frontier
Thu, Apr 30 - Mon, May 4
Frontier Logo
11:21 am - 6:05 pm
STL
-
CVG
5h 44m
1 stop
Frontier Logo
7:46 pm - 5:36 pm
CVG
-
STL
22h 50m
1 stop
$160Frontier
Thu, Apr 30 - Mon, May 4
Frontier Logo
11:21 am - 6:05 pm
STL
-
CVG
5h 44m
1 stop
Frontier Logo
7:46 pm - 6:50 am
CVG
-
STL
12h 04m
1 stop
$164Frontier
Thu, Apr 30 - Fri, May 1
Frontier Logo
11:21 am - 6:05 pm
STL
-
CVG
5h 44m
1 stop
Frontier Logo
7:26 pm - 6:50 am
CVG
-
STL
12h 24m
1 stop
$167Frontier
Thu, Apr 30 - Sun, May 3
Frontier Logo
4:59 pm - 1:44 pm
STL
-
CVG
19h 45m
1 stop
Frontier Logo
6:00 am - 11:19 pm
CVG
-
STL
18h 19m
1 stop
$180Frontier
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
11:21 am - 6:05 pm
STL
-
CVG
5h 44m
1 stop
Frontier Logo
4:26 pm - 11:19 pm
CVG
-
STL
7h 53m
1 stop
$181Frontier
Thu, Apr 30 - Sat, May 2
Frontier Logo
11:21 am - 11:20 pm
STL
-
CVG
10h 59m
2 stops
Frontier Logo
7:46 pm - 6:50 am
CVG
-
STL
12h 04m
1 stop
$182Frontier
Thu, Apr 30 - Fri, May 1
Frontier Logo
4:19 pm - 11:55 pm
STL
-
CVG
6h 36m
1 stop
Frontier Logo
12:46 pm - 8:55 am
CVG
-
STL
21h 09m
1 stop
$190Frontier
Fri, May 8 - Fri, May 15
Frontier Logo
8:23 pm - 6:36 pm
STL
-
CVG
21h 13m
1 stop
Frontier Logo
10:00 am - 11:19 pm
CVG
-
STL
14h 19m
1 stop
$193Frontier
Fri, May 1 - Mon, May 4
Multiple Airlines Logo
11:21 am - 8:28 pm
STL
-
CVG
8h 07m
2 stops
Multiple Airlines Logo
7:46 pm - 5:36 pm
CVG
-
STL
22h 50m
1 stop
$199Multiple Airlines
Thu, Apr 30 - Mon, May 4

Delta flights from St. Louis to Cincinnati

Our best Delta deals on St. Louis to Cincinnati flight tickets
Delta
May 2
STL6:48 amLambert-St Louis
3h 55m
1 stop
CVG11:43 amCincinnati Cinci./N. Kentucky
May 2
CVG5:30 pmCincinnati Cinci./N. Kentucky
7h 06m
1 stop
STL11:36 pmLambert-St Louis
$275
Delta
Jul 23
STL6:30 amLambert-St Louis
6h 05m
1 stop
CVG1:35 pmCincinnati Cinci./N. Kentucky
Jul 26
CVG5:34 amCincinnati Cinci./N. Kentucky
5h 09m
1 stop
STL9:43 amLambert-St Louis
$347
Delta
Jul 23
STL6:30 amLambert-St Louis
6h 05m
1 stop
CVG1:35 pmCincinnati Cinci./N. Kentucky
Jul 26
CVG6:25 amCincinnati Cinci./N. Kentucky
4h 06m
1 stop
STL9:31 amLambert-St Louis
$367

American Airlines flights from St. Louis to Cincinnati

Our best American Airlines deals on St. Louis to Cincinnati flight tickets
American Airlines
Aug 19
STL6:06 amLambert-St Louis
7h 55m
1 stop
CVG3:01 pmCincinnati Cinci./N. Kentucky
Aug 20
CVG6:16 amCincinnati Cinci./N. Kentucky
6h 55m
1 stop
STL12:11 pmLambert-St Louis
$305
American Airlines
Jun 28
STL7:00 amLambert-St Louis
4h 51m
1 stop
CVG12:51 pmCincinnati Cinci./N. Kentucky
Jul 2
CVG6:00 amCincinnati Cinci./N. Kentucky
3h 31m
1 stop
STL8:31 amLambert-St Louis
$357
American Airlines
Apr 20
STL2:12 pmLambert-St Louis
6h 44m
1 stop
CVG9:56 pmCincinnati Cinci./N. Kentucky
Apr 22
CVG3:35 pmCincinnati Cinci./N. Kentucky
4h 55m
1 stop
STL7:30 pmLambert-St Louis
$501

momondo 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, momondo users made 832,500 searches. Data last updated April 11, 2026.
Use the filters below to find and compare flights from St. Louis to Cincinnati that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 4/30

4:59 pm-3:52 pm

1 stop21h 53m

Cincinnati Cinci./N. Kentucky

Mon 5/4

6:00 am-11:19 pm

1 stop18h 19m

$142

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 4/30

11:21 am-6:05 pm

1 stop5h 44m

Cincinnati Cinci./N. Kentucky

Mon 5/4

7:46 pm-5:36 pm

1 stop22h 50m

$160

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 4/30

11:21 am-6:05 pm

1 stop5h 44m

Cincinnati Cinci./N. Kentucky

Fri 5/1

7:46 pm-6:50 am

1 stop12h 04m

$164

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 4/30

11:21 am-6:05 pm

1 stop5h 44m

Cincinnati Cinci./N. Kentucky

Sun 5/3

7:26 pm-6:50 am

1 stop12h 24m

$167

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 4/24

4:59 pm-1:44 pm

1 stop19h 45m

Cincinnati Cinci./N. Kentucky

Sun 4/26

6:00 am-11:19 pm

1 stop18h 19m

$180
Quickest round-trip

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 4/30

11:21 am-6:05 pm

1 stop5h 44m

Cincinnati Cinci./N. Kentucky

Sat 5/2

4:26 pm-11:19 pm

1 stop7h 53m

$181

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 4/30

11:21 am-11:20 pm

2 stops10h 59m

Cincinnati Cinci./N. Kentucky

Fri 5/1

7:46 pm-6:50 am

1 stop12h 04m

$182

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 5/8

4:19 pm-11:55 pm

1 stop6h 36m

Cincinnati Cinci./N. Kentucky

Fri 5/15

12:46 pm-8:55 am

1 stop21h 09m

$190

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 5/1

8:23 pm-6:36 pm

1 stop21h 13m

Cincinnati Cinci./N. Kentucky

Mon 5/4

10:00 am-11:19 pm

1 stop14h 19m

$193

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 4/30

11:21 am-8:28 pm

2 stops8h 07m

Cincinnati Cinci./N. Kentucky

Mon 5/4

7:46 pm-5:36 pm

1 stop22h 50m

$199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cincinnati from

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?

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

As of April 2026, prices for St. Louis to Cincinnati flights are approximately 27% cheaper 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

5h 18m

Direct flights

None
The fastest flight from St. Louis to Cincinnati takes 5h 18m
There are no direct flights from St. Louis to Cincinnati. There are no popular flight routes from St. Louis to Cincinnati.
Search flight deals

Frequently asked questions about flying from St. Louis to Cincinnati

  • 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 5h 18m, 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?

  • 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?

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 AirlinesPriceFrom $176Free CancellationRating
7.1
11,572 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,406 reviews
Search Delta flights

Traveling to a place near Cincinnati?

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

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
Mon 5/11
Mon 5/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States