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GTF to IST: distance & flight time
Great Falls (Great Falls International Airport) → Istanbul (Istanbul Airport)
5,836 mi
9,392 km · 5,071 nm
11h 55m
estimated nonstop flight time
+9h
time difference · heading northeast
See live GTF→IST fares Phone-only fares on this route — call free
Flight time details
5,836 miles nonstop takes roughly 11h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- IST — Istanbul Airport · Istanbul, Turkey
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 IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 mi away
Frequently asked questions
How far is GTF from IST?
The flight distance from Great Falls (GTF) to Istanbul (IST) is 5,836 miles (9,392 km, 5,071 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to IST?
A nonstop flight takes about 11h 55m 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 Istanbul?
Istanbul is 9 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to IST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–IST that never appear on search engines, with no booking fees.