Need help booking?
Unpublished phone-only deals available
IST to FNL: distance & flight time
Istanbul (Istanbul Airport) → Fort Collins (Northern Colorado Regional Airport)
6,090 mi
9,801 km · 5,292 nm
12h 24m
estimated nonstop flight time
-9h
time difference · heading northwest
See live IST→FNL fares Phone-only fares on this route — call free
Flight time details
6,090 miles nonstop takes roughly 12h 24m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- IST — Istanbul Airport · Istanbul, Turkey
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 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
Near FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Frequently asked questions
How far is IST from FNL?
The flight distance from Istanbul (IST) to Fort Collins (FNL) is 6,090 miles (9,801 km, 5,292 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IST to FNL?
A nonstop flight takes about 12h 24m 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 Istanbul and Fort Collins?
Fort Collins is 9 hours behind Istanbul.
What is the cheapest way to fly from IST to FNL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IST–FNL that never appear on search engines, with no booking fees.