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STL to SME: distance & flight time
St. Louis (St Louis Lambert International Airport) → Somerset (Lake Cumberland Regional Airport)
335 mi
539 km · 291 nm
1h 21m
estimated nonstop flight time
+1h
time difference · heading east
See live STL→SME fares Phone-only fares on this route — call free
Flight time details
335 miles nonstop takes roughly 1h 21m 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
- SME — Lake Cumberland Regional Airport · Somerset, 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 SME
- LOZ · London-Corbin Airport/Magee Field29 mi away
- LEX · Blue Grass Airport68 mi away
- GLW · Glasgow Municipal Airport74 mi away
- FFT · Capital City Airport80 mi away
Frequently asked questions
How far is STL from SME?
The flight distance from St. Louis (STL) to Somerset (SME) is 335 miles (539 km, 291 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to SME?
A nonstop flight takes about 1h 21m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between St. Louis and Somerset?
Somerset is 1 hour ahead of St. Louis.
What is the cheapest way to fly from STL to SME?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–SME that never appear on search engines, with no booking fees.