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IST to APA: distance & flight time
Istanbul (Istanbul Airport) → Denver (Centennial Airport)
6,136 mi
9,876 km · 5,332 nm
12h 30m
estimated nonstop flight time
-9h
time difference · heading northwest
See live IST→APA fares Phone-only fares on this route — call free
Flight time details
6,136 miles nonstop takes roughly 12h 30m 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
- APA — Centennial Airport · Denver, 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 APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 mi away
Frequently asked questions
How far is IST from APA?
The flight distance from Istanbul (IST) to Denver (APA) is 6,136 miles (9,876 km, 5,332 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IST to APA?
A nonstop flight takes about 12h 30m 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 Denver?
Denver is 9 hours behind Istanbul.
What is the cheapest way to fly from IST to APA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IST–APA that never appear on search engines, with no booking fees.