STL - CVG

$78 Find Cheap Flights from St. Louis to Cincinnati - Compare and Save

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Everything you should know

Cheapest round-trip
$187
Typical prices: $271-$402
Frontier
Mon 11/26Mon 12/3
STL - CVG • 2 stops
Cheapest one-way
$78
Typical prices: $164-$343
Frontier
Fri 12/14
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
January
Cheapest • 15% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $285 (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

Thu, Nov 26 - Thu, Dec 3
Frontier Logo
9:09 am - 7:17 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
9h 08m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson
Frontier Logo
9:24 am - 11:17 amCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
26h 53m1 stop Atlanta Hartsfield-Jackson
$187Frontier
Mon, Nov 16 - Wed, Nov 18
Frontier Logo
12:14 pm - 6:33 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
5h 19m1 stop Dallas/Fort Worth
Frontier Logo
12:36 pm - 5:42 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
6h 06m1 stop Atlanta Hartsfield-Jackson
$188Frontier
Thu, Nov 26 - Thu, Dec 3
Frontier Logo
9:09 am - 7:17 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
9h 08m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson
Frontier Logo
9:24 am - 11:17 amCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
26h 53m1 stop Atlanta Hartsfield-Jackson
$215Frontier
Thu, Nov 26 - Thu, Dec 3
Frontier Logo
9:09 am - 7:17 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
9h 08m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson
Frontier Logo
9:24 am - 12:12 amCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
15h 48m2 stops Atlanta Hartsfield-Jackson Orlando
$221Frontier
Mon, Nov 9 - Fri, Nov 13
Frontier Logo
6:34 pm - 11:43 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
16h 09m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
4:32 pm - 7:14 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
27h 42m1 stop Denver Intl
$228Frontier
Tue, Nov 24 - Tue, Dec 1
Frontier Logo
9:09 am - 9:20 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
23h 11m1 stop Dallas/Fort Worth
Frontier Logo
4:44 pm - 11:10 amCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
19h 26m1 stop Atlanta Hartsfield-Jackson
$238Frontier
Mon, Nov 9 - Fri, Nov 13
Frontier Logo
6:34 pm - 11:43 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
16h 09m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
2:59 pm - 11:16 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
33h 17m2 stops Atlanta Hartsfield-Jackson Orlando
$244Frontier
Thu, Nov 26 - Thu, Dec 3
Southwest Logo
10:40 am - 3:40 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
4h 00m1 stop Chicago Midway
Southwest Logo
2:30 pm - 7:50 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
6h 20m1 stop Denver Intl
$247Southwest
Tue, Nov 17 - Thu, Nov 19
Southwest Logo
11:20 am - 6:50 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
6h 30m1 stop Denver Intl
Southwest Logo
7:30 pm - 10:00 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
3h 30m1 stop Chicago Midway
$247Southwest
Thu, Nov 26 - Thu, Dec 3
American Airlines Logo
7:16 am - 2:20 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
6h 04m1 stop Chicago O'Hare Intl
American Airlines Logo
8:52 am - 1:13 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
5h 21m1 stop Chicago O'Hare Intl
$247American Airlines
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 with more confidence.

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

Round-trip flights from St. Louis to Cincinnati typically range from $271 to $402. The lowest price found in the past 5 days was $187, on Frontier.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from St. Louis to Cincinnati. It’s 16% cheaper than the average day, while Tuesday is the most expensive, with prices 50% higher.

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Key details for St. Louis to Cincinnati flights

Low season

October

Cheapest flight

$78
Beat the crowds with an average 57% drop in travelers.
The most popular month to fly with an average 18% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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.

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

    A nonstop flight from St. Louis to Cincinnati takes 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 much should I expect to pay for a St. Louis to Cincinnati flight?

    Round-trip flights from St. Louis to Cincinnati range from $271 to $402, with an average of $352 over the past 12 months. Anything below $271 counts as a good deal.

  • Have flight prices from St. Louis to Cincinnati changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $187 to $1,121. That means the highest observed fare was about 6x higher than the lowest one.

  • 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 $122, which is 37% below the typical average for this route.

  • 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 averaging $74 for economy cars. Top options include:

    • Hertz
    • Dollar
    • Thrifty
    • Alamo
    • Budget

  • 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).

  • 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) - 43% of one-stop connections
    • Chicago Midway (MDW) - 24% of one-stop connections
    • Orlando (MCO) - 19% of one-stop connections
    • Charlotte Douglas (CLT) - 10% of one-stop connections

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

    Yes. Flexible dates can save you up to 44% on flights from St. Louis to Cincinnati. Thursday is the cheapest departure day at $298 round-trip on average, while Tuesday is the most expensive at $528, a difference of $230.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 20m via Chicago O'Hare Intl (ORD).

  • 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 popular places can I visit in Cincinnati?

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

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 are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average $298, about $230 less than Tuesday fares (44% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Cincinnati trip for January. Fares historically average $298 round-trip in that month - typically $478 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