Cheap Flights from Cincinnati to St Louis
No deal from Cincinnati to St Louis has cleared our price bar yet. What we have seen on the route is below.
Across 2 months of observations from Cincinnati to St Louis, the lowest round-trip fare we recorded was $224, in October. The typical fare was $302. October was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $224 on Frontier, seen Oct 31. It is an unverified observation and may have changed.
See every deal from Cincinnati, to St Louis, or the return direction St Louis to Cincinnati.
Latest price we saw: Cincinnati to St Louis
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Cincinnati (CVG) to St Louis (STL) | $224 | 36.5¢ | Dec 3 – Dec 11 | Frontier | Oct 31 | Check price |
Price history: Cincinnati to St Louis
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $224 | $224 | 1 |
| Aug 2026 | $379 | $379 | 1 |
Frequently asked questions
How many flight deals from Cincinnati to St Louis are on Sparkflights right now?
There are 0 verified deals from Cincinnati to St Louis on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Cincinnati to St Louis?
The lowest fare we've recorded from Cincinnati to St Louis is $224, based on 2 price observations over 2 months.
How much does a flight from Cincinnati to St Louis cost?
The typical round-trip fare we observed from Cincinnati to St Louis is $302, against a recorded low of $224. These are observations, not quotes.
When is the cheapest month to fly Cincinnati to St Louis?
October was the cheapest month we observed from Cincinnati to St Louis and August the dearest, over 2 months of data.
What is the current price from Cincinnati to St Louis?
The most recent fare our sweep saw from Cincinnati to St Louis is $224, on Oct 31. It is an unverified observation rather than a verified deal, so check it before booking.