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STL to DCU: distance & flight time
St. Louis (St Louis Lambert International Airport) → Decatur (Pryor Field Regional Airport)
341 mi
548 km · 296 nm
1h 22m
estimated nonstop flight time
—
time difference · heading southeast
See live STL→DCU fares Phone-only fares on this route — call free
Flight time details
341 miles nonstop takes roughly 1h 22m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- DCU — Pryor Field Regional Airport · Decatur, 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 DCU
- HSV · Huntsville International Carl T Jones Field10 mi away
- HUA · Redstone Army Air Field15 mi away
- MSL · Northwest Alabama Regional Airport38 mi away
- GAD · Northeast Alabama Regional Airport68 mi away
Frequently asked questions
How far is STL from DCU?
The flight distance from St. Louis (STL) to Decatur (DCU) is 341 miles (548 km, 296 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to DCU?
A nonstop flight takes about 1h 22m 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 cheapest way to fly from STL to DCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–DCU that never appear on search engines, with no booking fees.