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IKA to GTF: distance & flight time
Tehran (Imam Khomeini International Airport) → Great Falls (Great Falls International Airport)
6,608 mi
10,634 km · 5,742 nm
13h 25m
estimated nonstop flight time
-9.5h
time difference · heading north
See live IKA→GTF fares Phone-only fares on this route — call free
Flight time details
6,608 miles nonstop takes roughly 13h 25m 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 set-back when reading arrival times on your ticket.
The two airports
- IKA — Imam Khomeini International Airport · Tehran, Iran
- GTF — Great Falls International Airport · Great Falls, 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 IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 mi away
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
Frequently asked questions
How far is IKA from GTF?
The flight distance from Tehran (IKA) to Great Falls (GTF) is 6,608 miles (10,634 km, 5,742 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IKA to GTF?
A nonstop flight takes about 13h 25m 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 Tehran and Great Falls?
Great Falls is 9.5 hours behind Tehran.
What is the cheapest way to fly from IKA to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IKA–GTF that never appear on search engines, with no booking fees.