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Cheap Flights from St Louis (STL) to Cincinnati (CVGA)

Compare St Louis to Cincinnati flight deals

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Flight deals from St Louis to Cincinnati

Looking for a cheap last-minute deal or the best return flight from St Louis to Cincinnati? Find the lowest prices on one-way and return tickets right here.
Cincinnati.$228 per passenger.Departing Wed, 20 Aug, returning Wed, 20 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from St Louis on Wed, 20 Aug, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Southwest Airlines, departs from Cincinnati Northern Kentucky on Wed, 20 Aug, arriving in St Louis.Price includes taxes and charges.From $228, select.
Cincinnati.$249 per passenger.Departing Tue, 7 Oct, returning Thu, 9 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from St Louis on Tue, 7 Oct, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Southwest Airlines, departs from Cincinnati Northern Kentucky on Thu, 9 Oct, arriving in St Louis.Price includes taxes and charges.From $249, select.
Cincinnati.$358 per passenger.Departing Thu, 13 Nov, returning Sun, 16 Nov.Return flight with United.Outbound indirect flight with United, departs from St Louis on Thu, 13 Nov, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with United, departs from Cincinnati Northern Kentucky on Sun, 16 Nov, arriving in St Louis.Price includes taxes and charges.From $358, select.
Cincinnati.$381 per passenger.Departing Tue, 29 Jul, returning Wed, 30 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Tue, 29 Jul, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Delta, departs from Cincinnati Northern Kentucky on Wed, 30 Jul, arriving in St Louis.Price includes taxes and charges.From $381, select.

Find the cheapest month to fly from St Louis to Cincinnati

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Cincinnati flights are currently cheapest in August.
Jul
from $381
Aug
from $228
Sep
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Oct
from $249
Nov
from $358
Dec
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Jan
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Feb
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Mar
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Apr
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May
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Jun
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Alternative St Louis to Cincinnati routes

Looking for the cheapest, fastest or easiest route from St Louis to Cincinnati? You could fly into the following airports instead.

St Louis to Cincinnati: Flight information

The things to know before you go.
Cheapest flight found$228
Cheapest month to flyAugust

Finding cheap flights from St Louis to Cincinnati: Frequently asked questions

There are 2 airports in Cincinnati: Cincinnati Northern Kentucky and Cincinnati Municipal.
The best price we found for a return flight from St Louis to Cincinnati is $228. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Cincinnati. But we found flights with one or more stops from $228.
As of July 2025, there are no flights flying from St Louis to Cincinnati.
The cheapest month to fly from St Louis to Cincinnati is usually August.
If you're flying from St Louis Airport, the cheapest airport near Cincinnati is Cincinnati Northern Kentucky – which is 14.4 km away from the centre of Cincinnati. We've found flights into this airport from $228.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Cincinnati on Wednesday, 20 August 2025.
No airlines currently offer direct flights between St Louis Airport and Cincinnati. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cincinnati but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cincinnati is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 24°C. July is typically the warmest month in Cincinnati, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -6°C. The rainiest month is May.
Currently, Southwest Airlines offers the cheapest flight tickets to Cincinnati.

Flying from Lambert-St. Louis International Airport (STL) to Cincinnati: what you need to know

  • The timezone in Cincinnati is UTC-4. The city is one hour ahead of St Louis, where Lambert-St. Louis International Airport is located.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your STL to Cincinnati flight.

  • Delays at check-in and security are likely if you're flying during high season, so give yourself even more breathing space. A good rule for peak periods? Get there up to four hours early for international flights and two hours for domestic departures.

  • Travelling from central St Louis to STL takes about 35 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 16 kilometres in 20 minutes or so, depending on traffic.

  • Searching for a hotel near STL? If you're boarding an early flight from Lambert-St. Louis International Airport to Cincinnati, these accommodation options will put you moments from your departure lounge:

  • 78.04% of flights that take off from Lambert-St. Louis International Airport reach their destination on time.

  • You'll find STL at 10701 Lambert International Blvd..

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Cincinnati

  • $114 is currently the lowest price for a one-way Lambert-St. Louis International Airport to Cincinnati flight. A return flight ticket starts at $228. These prices may change based on availability and demand.

  • Don't leave everything to the last minute. You're more likely to pick up cheap flights from STL to Cincinnati if you book in advance. Airlines often have some amazing early bird deals.

  • If you're willing to be flexible with your travel dates, take advantage of the 'Whole month' tool. It'll give you the cheapest price across each month when looking for your Lambert-St. Louis International Airport to Cincinnati ticket.

  • Spend less time searching for cheap flights from STL to Cincinnati by creating a Price Alert. You'll get an email or push notification on the app when a lower fare pops up.

  • Tailor your flights with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Lambert-St. Louis International Airport to Cincinnati.

Airports in Cincinnati

Cincinnati/Northern Kentucky Airport (CVG)

  • Cincinnati/Northern Kentucky Airport (CVG) to central Cincinnati takes around 20 minutes by car. The centre is roughly 21 kilometres away.

  • Travelling by public transport takes around 40 minutes.

  • Fast-track your adventure by picking up a Cincinnati/Northern Kentucky Airport rental car. Grab a set of wheels from Budget, Hertz or Thrifty and explore beyond Cincinnati's main sights.

  • Booking your ride from Cincinnati/Northern Kentucky Airport about two weeks ahead of your flight from STL to Cincinnati can help you get the best possible rate.

Best time to go to Cincinnati

  • Carefully consider your travel dates before locking in your flight from Lambert-St. Louis International Airport to Cincinnati. The city buzzes during peak season, but prices are typically higher and major attractions can get busy. Plan your trip to Cincinnati in the off-season if you want a more relaxed vibe.

  • Book a Lambert-St. Louis International Airport to Cincinnati flight ticket with a departure in July if you want to experience the city during its warmest month. Expect temperatures to range from 16ºC (61ºF) to 32ºC (90ºF).

  • January has average temperatures of between -10ºC (14ºF) and 7ºC (45ºF). Look for a cheap ticket from STL to Cincinnati around that time if you want to travel when it's cooler.

More about Cincinnati

  • Start your Cincinnati trip right by choosing the ideal place to stay. After booking your flight from Lambert-St. Louis International Airport to Cincinnati, browse our range of accommodation options including:

  • Cincinnati Art Museum and Cincinnati Zoo & Botanical Gardens are just the start of the top attractions to put on your Cincinnati itinerary. Continue your sightseeing adventures at Fountain Square.

Explore more of United States

  • Cincinnati is always a good idea, but there are so many other parts of United States you should also see. About 402 kilometres north-west of Cincinnati, a visit to Chicago will fill your itinerary to the brim. Don't miss top attractions like Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Columbus is another favourite destination in United States and is around 161 kilometres north-east of Cincinnati. No journey is complete without seeing Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

Plan the rest of your trip from St Louis to Cincinnati

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.