Cheap flights from St. Louis to Cincinnati from $100
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 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 cheapest month to fly to Cincinnati?
The month of July is, on average, the cheapest month to fly to Cincinnati from St. Louis, with most prices found around $283. If you aren’t able to travel to Cincinnati during the month of July, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $291.
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.
What is the cheapest time of day to depart on your flight to Cincinnati?
Our most recent data shows that the best time of day to fly to Cincinnati is in the evening. Flights from St. Louis to Cincinnati during this time can be as low as $248. In the morning is when there is more demand to fly to Cincinnati, so prices are often more expensive at around $346 per ticket.
How have St. Louis to Cincinnati flight prices changed over time?
As of June 2025, prices for St. Louis to Cincinnati flights are approximately 66% cheaper 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, American Airlines, and Southwest are the most popular carriers operating from Lambert-St Louis to Cincinnati Cinci./N. Kentucky
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 66% of people opting to fly with this airline when traveling to Cincinnati. Keep in mind that there are 5 different airlines that fly to Cincinnati on a routine basis, so you have a few additional options to choose from.
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
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 4h 10m, 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 June 2025, there are 5 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 55% of the total bookings. Other popular airlines include Delta with 14%, United Airlines with 11%, and Southwest with 10%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $128 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $200 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $231 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $261 | Free Cancellation | Rating 7.4 8,798 reviews | |||
| PriceFrom $326 | Free Cancellation | Rating 8.0 4,278 reviews |
Traveling to a place near Cincinnati?
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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.