Cheap Flights from St. Louis (STL) to Cincinnati (LUK)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Cincinnati, OH (LUK-Cincinnati Municipal - Lunken Field)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK) cost?
Get a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between STL and LUK. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STL to LUK flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to LUK?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK) last-minute?
Waiting until just before your trip to book a ticket from STL to LUK generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a STL to LUK flight and hotel package?
Opting for a STL to LUK flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Cincinnati Municipal - Lunken Field Airport (LUK)?
Generally, it's possible to cancel or reschedule your STL to LUK flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Cincinnati Municipal - Lunken Field
Distance
320 mi

Book with confidence

Book with confidence

St. Louis to Cincinnati Flights

The cheapest times to fly from St. Louis to Cincinnati

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Cincinnati are during the month of . You can find some of the cheapest flights from St. Louis to Cincinnati with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Cincinnati

Sunday is one of the best days to book for cheap flights from St. Louis to Cincinnati: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Cincinnati

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Cincinnati in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Cincinnati flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Cincinnati airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Cincinnati Flights

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*Available to One Key members.