STL - CVG

$54 Find Cheap Flights from St. Louis to Cincinnati - Compare and Save

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Everything you should know

Cheapest round-trip
$93
Typical prices: $244-$399
Frontier
Fri 10/26Sun 10/28
STL - CVG • 1 stop
Cheapest one-way
$54
Typical prices: $167-$311
Frontier
Fri 10/5
STL - CVG • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Cincinnati. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
November
Cheapest • 32% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $359 (round-trip)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 3h 49m (one-way)
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Insights
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Flight Deals

Cheap Flights from St. Louis to Cincinnati (STL-CVG)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Cincinnati

Mon, Oct 26 - Wed, Oct 28
Frontier Logo
6:35 pm - 11:43 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
16h 08m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
12:36 pm - 5:40 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
6h 04m1 stop Atlanta Hartsfield-Jackson
$93Frontier
Mon, Oct 26 - Thu, Oct 29
Frontier Logo
6:35 pm - 11:43 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
16h 08m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
5:18 pm - 5:40 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
25h 22m1 stop Atlanta Hartsfield-Jackson
$110Frontier
Mon, Oct 26 - Thu, Oct 29
Frontier Logo
6:35 pm - 11:43 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
16h 08m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
5:18 pm - 5:40 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
25h 22m1 stop Atlanta Hartsfield-Jackson
$111Frontier
Mon, Oct 26 - Thu, Oct 29
Frontier Logo
6:35 pm - 11:43 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
16h 08m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
5:18 pm - 5:40 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
25h 22m1 stop Atlanta Hartsfield-Jackson
$112Frontier
Wed, Oct 7 - Wed, Oct 14
Frontier Logo
2:29 pm - 7:50 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
16h 21m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
12:43 pm - 5:40 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
5h 57m1 stop Atlanta Hartsfield-Jackson
$113Frontier
Mon, Oct 12 - Thu, Oct 15
Frontier Logo
6:35 pm - 11:38 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
16h 03m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
5:11 pm - 5:40 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
25h 29m1 stop Atlanta Hartsfield-Jackson
$129Frontier
Fri, Oct 9 - Fri, Oct 23
Frontier Logo
6:35 pm - 9:24 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
13h 49m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
12:43 pm - 5:40 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
5h 57m1 stop Atlanta Hartsfield-Jackson
$132Frontier
Fri, Oct 9 - Mon, Oct 12
Frontier Logo
6:35 pm - 9:24 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
13h 49m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
12:43 pm - 5:40 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
5h 57m1 stop Atlanta Hartsfield-Jackson
$142Frontier
Mon, Dec 14 - Tue, Dec 15
Delta Logo
6:05 pm - 11:02 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
3h 57m1 stop Detroit Metropolitan Wayne County
Delta Logo
8:00 am - 1:30 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
6h 30m1 stop Detroit Metropolitan Wayne County
$255Delta
Mon, Dec 14 - Tue, Dec 15
Southwest Logo
11:20 am - 6:50 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
6h 30m1 stop Denver Intl
Southwest Logo
6:55 am - 1:50 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
7h 55m2 stops Nashville Intl Dallas Love Field
$260Southwest
Booking Insights

Price, demand and travel trends for St. Louis to Cincinnati flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Cincinnati with more confidence.

How much is a round-trip flight from St. Louis to Cincinnati?

Round-trip flights from St. Louis to Cincinnati start at $93. Prices are below average for this route right now, with typical round-trip fares ranging from $244 to $399. The lowest price found in the past 5 days was $93 on Frontier.

What's the cheapest day of the week to fly from St. Louis to Cincinnati?

Thursday is the cheapest day of the week to fly from St. Louis to Cincinnati, it is 33% cheaper than the average day. Tuesday is the most expensive day with flight prices 52% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for St. Louis to Cincinnati flights

Low season

November

Cheapest flight

$54
Best time to beat the crowds with an average 32% drop in price.
Most popular time to fly with an average 52% increase in price.
Flight from St. Louis to Cincinnati

When to book flights from St. Louis to Cincinnati

Are your dates flexible? Find out the best times to travel from St. Louis to Cincinnati based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Cincinnati flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from St. Louis to Cincinnati?

    Flights from St. Louis to Cincinnati usually depart from Lambert-St Louis (STL) and arrive at Cincinnati Cinci./N. Kentucky (CVG).

  • What cabin classes can I book on flights from St. Louis to Cincinnati?

    Only Economy Class is available on flights from St. Louis to Cincinnati.

  • Which airports do connecting flights from St. Louis to Cincinnati pass through?

    One-stop flights from St. Louis to Cincinnati most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 33% of one-stop connections
    • Orlando (MCO) - 21% of one-stop connections
    • Chicago Midway (MDW) - 21% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 13% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from St. Louis to Cincinnati?

    Yes. Being flexible with your travel dates can save you up to 56% on the St. Louis to Cincinnati route. Thursday is the cheapest departure day at $234 round-trip on average, while Tuesday is the most expensive at $528, a difference of $294. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Cincinnati?

    Some of the most popular sights in Cincinnati are Great American Ballpark, Paycor Stadium and Duke Energy Convention Center. These are among the most viewed places in Cincinnati on KAYAK.

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

    A nonstop flight from St. Louis to Cincinnati takes 0h 00m, covering 307 miles.

  • Do I need a passport to fly from St. Louis to Cincinnati?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from St. Louis to Cincinnati looking right now?

    One-way fares from St. Louis to Cincinnati are currently lower than usual. Average one-way flight prices are about $139, which is 34% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from St. Louis to Cincinnati?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 3h 49m, compared with 4h 08m via Chicago Midway (MDW) and 4h 08m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between St. Louis and Cincinnati?

    Cincinnati is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Cincinnati Cinci./N. Kentucky Airport (CVG)?

    Cincinnati Cinci./N. Kentucky Airport (CVG) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include:
    • Hertz
    • Dollar
    • Thrifty
    • Alamo
    • Budget

  • How much should I expect to pay for a St. Louis to Cincinnati flight?

    Round-trip flights from St. Louis to Cincinnati range from $244 to $399, with an average of $346 over the past 12 months. Anything below $244 counts as a good deal.

Your guide to booking St. Louis to Cincinnati flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average $234 - about $294 less than Tuesday (56% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Cincinnati trip for November. Fares historically average $234 round-trip in that month - typically $422 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from St. Louis to Cincinnati

Complete your trip to Cincinnati with a hotel stay or car rental

Car rentals in Cincinnati
Hotels in Cincinnati
Vacations in Cincinnati