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ITH to FSI: distance & flight time
Ithaca (Ithaca Tompkins Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,298 mi
2,089 km · 1,128 nm
3h 17m
estimated nonstop flight time
-1h
time difference · heading west
See live ITH→FSI fares Phone-only fares on this route — call free
Flight time details
1,298 miles nonstop takes roughly 3h 17m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ITH — Ithaca Tompkins Regional Airport · Ithaca, United States
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 ITH
- BGM · Greater Binghamton/Edwin A Link field31 mi away
- ELM · Elmira Corning Regional Airport32 mi away
- SYR · Syracuse Hancock International Airport46 mi away
- RME · Griffiss International Airport74 mi away
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
Frequently asked questions
How far is ITH from FSI?
The flight distance from Ithaca (ITH) to Fort Sill (FSI) is 1,298 miles (2,089 km, 1,128 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ITH to FSI?
A nonstop flight takes about 3h 17m 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 Ithaca and Fort Sill?
Fort Sill is 1 hour behind Ithaca.
What is the cheapest way to fly from ITH to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ITH–FSI that never appear on search engines, with no booking fees.