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STL to DCI: distance & flight time
St. Louis (St Louis Lambert International Airport) → Decimomannu (Decimomannu Air Base)
5,016 mi
8,073 km · 4,359 nm
10h 18m
estimated nonstop flight time
+7h
time difference · heading northeast
See live STL→DCI fares Phone-only fares on this route — call free
Flight time details
5,016 miles nonstop takes roughly 10h 18m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- DCI — Decimomannu Air Base · Decimomannu, Italy
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 DCI
- CAG · Cagliari Elmas Airport8 mi away
- FNU · Oristano-Fenosu Airport41 mi away
- TTB · Tortolì Airport54 mi away
- AHO · Alghero-Fertilia Airport95 mi away
Frequently asked questions
How far is STL from DCI?
The flight distance from St. Louis (STL) to Decimomannu (DCI) is 5,016 miles (8,073 km, 4,359 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to DCI?
A nonstop flight takes about 10h 18m 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 Decimomannu?
Decimomannu is 7 hours ahead of St. Louis.
What is the cheapest way to fly from STL to DCI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–DCI that never appear on search engines, with no booking fees.