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GTF to IIL: distance & flight time
Great Falls (Great Falls International Airport) → Ilam (Ilam Airport)
6,668 mi
10,732 km · 5,795 nm
13h 33m
estimated nonstop flight time
+9.5h
time difference · heading north
See live GTF→IIL fares Phone-only fares on this route — call free
Flight time details
6,668 miles nonstop takes roughly 13h 33m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- IIL — Ilam Airport · Ilam, Iran
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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Near IIL
- KSH · Shahid Ashrafi Esfahani Airport68 mi away
- KHD · Khoram Abad Airport109 mi away
- SDG · Sanandaj Airport120 mi away
- XQC · Joint Base Balad120 mi away
Frequently asked questions
How far is GTF from IIL?
The flight distance from Great Falls (GTF) to Ilam (IIL) is 6,668 miles (10,732 km, 5,795 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to IIL?
A nonstop flight takes about 13h 33m 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 Great Falls and Ilam?
Ilam is 9.5 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to IIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–IIL that never appear on search engines, with no booking fees.