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FSI to IAS: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Iasi (Iaşi Airport)
5,869 mi
9,445 km · 5,100 nm
11h 58m
estimated nonstop flight time
+8h
time difference · heading northeast
See live FSI→IAS fares Phone-only fares on this route — call free
Flight time details
5,869 miles nonstop takes roughly 11h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- IAS — Iaşi Airport · Iasi, Romania
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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Near IAS
- BZY · Bălți International Airport46 mi away
- BCM · Bacău Airport56 mi away
- KIV · Chişinău International Airport64 mi away
- SCV · Suceava Stefan cel Mare Airport69 mi away
Frequently asked questions
How far is FSI from IAS?
The flight distance from Fort Sill (FSI) to Iasi (IAS) is 5,869 miles (9,445 km, 5,100 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to IAS?
A nonstop flight takes about 11h 58m 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 Fort Sill and Iasi?
Iasi is 8 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to IAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–IAS that never appear on search engines, with no booking fees.