Need help booking?
Unpublished phone-only deals available
DEN to IST: distance & flight time
Denver (Denver International Airport) → Istanbul (Istanbul Airport)
6,114 mi
9,840 km · 5,313 nm
12h 27m
estimated nonstop flight time
+9h
time difference · heading northeast
See live DEN→IST fares Phone-only fares on this route — call free
Flight time details
6,114 miles nonstop takes roughly 12h 27m 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
- DEN — Denver International Airport · Denver, 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 DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 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 DEN from IST?
The flight distance from Denver (DEN) to Istanbul (IST) is 6,114 miles (9,840 km, 5,313 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEN to IST?
A nonstop flight takes about 12h 27m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from DEN to IST?
Nonstop service on DEN–IST depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 27m nonstop estimate.
What is the time difference between Denver and Istanbul?
Istanbul is 9 hours ahead of Denver.
What is the cheapest way to fly from DEN to IST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEN–IST that never appear on search engines, with no booking fees.
Why are some DEN to IST fares phone-only?
Consolidator contracts let us sell certain DEN–IST tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.