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STL to LUK: distance & flight time
St. Louis (St Louis Lambert International Airport) → Cincinnati (Cincinnati Municipal Airport Lunken Field)
321 mi
516 km · 279 nm
1h 19m
estimated nonstop flight time
+1h
time difference · heading east
See live STL→LUK fares Phone-only fares on this route — call free
Flight time details
321 miles nonstop takes roughly 1h 19m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- LUK — Cincinnati Municipal Airport Lunken Field · Cincinnati, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Near LUK
Frequently asked questions
How far is STL from LUK?
The flight distance from St. Louis (STL) to Cincinnati (LUK) is 321 miles (516 km, 279 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to LUK?
A nonstop flight takes about 1h 19m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from STL to LUK?
Nonstop service on STL–LUK depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 19m nonstop estimate.
What is the time difference between St. Louis and Cincinnati?
Cincinnati is 1 hour ahead of St. Louis.
What is the cheapest way to fly from STL to LUK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–LUK that never appear on search engines, with no booking fees.
Why are some STL to LUK fares phone-only?
Consolidator contracts let us sell certain STL–LUK tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.