US$56️ Cheap Flights from Cincinnati to St. Louis (2024)

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Find cheap one-way flights from Cincinnati to St. Louis starting at US$56.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Cincinnati to St. Louis?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Cincinnati to St. Louis

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From US$56

American Airlines

From US$112

United Airlines

From US$125

Delta Air Lines

From US$128

Sun Country Airlines

From US$175

Southwest Airlines

From US$190

Allegiant Air

From US$241

ANA airlines

Find more flights and airlines

Find cheap flights from Cincinnati to St. Louis by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Cincinnati to St. Louis.

Cheapest
CVG
18:01
27h 52m
1 transfer
STL
20:53
Cincinnati/Northern Kentucky International Airport - St. Louis Lambert International Airport
Tue, May 7Frontier Airlines
US$56
CVG
18:01
27h 52m
1 transfer
STL
20:53
Cincinnati/Northern Kentucky International Airport - St. Louis Lambert International Airport
Tue, May 7Frontier Airlines
US$56
Find More Flights

Frequently Asked Questions

When are flight tickets from Cincinnati (CVG) to St. Louis (STL) the cheapest?
Airlines adjust prices for flights from Cincinnati to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Cincinnati (CVG) to St. Louis (STL) cost?
According to Trip.com's data, the lowest price is around $356.
What is the transportation method from the main airport to downtown in St. Louis?
- The distance from St. Louis Lambert International Airport to downtown is about 20km. It takes about 40 minutes by taxi.

How to find a cheap flight from Cincinnati to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Cincinnati to St. Louis. Book your flights at the right time and save more.

Book Early

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Compare Flight Prices

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Look Out for Deals

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Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

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