Cheap flights from St Louis to Cincinnati

One-way fares from $176 · STL → CVG · prices found by travellers in the last 48 hours

Cheapest fare
$176

Frontier Airlines · Thu, Nov 12

Cheapest month
November

from $176

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 47m

500 km

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Cheapest month to fly from St Louis to Cincinnati

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $176

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart16:26 Thu, Nov 12STL → CVG 4h 47m · 1 stop
$176one way, per person
View deal
See every date in November 2026 →

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About flights from St Louis to Cincinnati

St Louis (STL) and Cincinnati (CVG) are about 500 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 47m. Over the next few months, one-way fares start from $176, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from St Louis to Cincinnati?

The cheapest one-way fare we've seen recently is $176 with Frontier Airlines, departing Thursday, November 12, 2026.

What is the cheapest month to fly from St Louis to Cincinnati?

November 2026 currently has the lowest fares, from $176 one way.

Are there direct flights from St Louis to Cincinnati?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from St Louis to Cincinnati?

The quickest journey we've seen takes about 4h 47m. St Louis and Cincinnati are around 500 km apart.

Which airlines fly from St Louis to Cincinnati?

Recent fares on this route were with Frontier Airlines.

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