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WBU to ISL: distance & flight time
Boulder (Boulder Municipal Airport) → Istanbul (Atatürk International Airport)
6,139 mi
9,880 km · 5,335 nm
12h 30m
estimated nonstop flight time
+9h
time difference · heading northeast
See live WBU→ISL fares Phone-only fares on this route — call free
Flight time details
6,139 miles nonstop takes roughly 12h 30m 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
- WBU — Boulder Municipal Airport · Boulder, United States
- ISL — Atatürk International 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Near ISL
- IST · Istanbul Airport21 mi away
- SAW · Sabiha Gökçen International Airport26 mi away
- TEQ · Tekirdağ Çorlu Airport48 mi away
- BTZ · Bursa Airport52 mi away
Frequently asked questions
How far is WBU from ISL?
The flight distance from Boulder (WBU) to Istanbul (ISL) is 6,139 miles (9,880 km, 5,335 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to ISL?
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 Boulder and Istanbul?
Istanbul is 9 hours ahead of Boulder.
What is the cheapest way to fly from WBU to ISL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–ISL that never appear on search engines, with no booking fees.