Istanbul to Tehran Flights
Flights from Istanbul (IST) to Tehran (THR) connect Turkey and IR. The great-circle distance is approximately 2,059 km, and a typical direct flight takes about 3 to 4 hours. Airports commonly used for this city pair include IST, SAW and THR, IKA. The reverse route is Tehran to Istanbul. Use the search tool below to compare live prices and schedules — do not treat any static text on this page as a live fare.
Route facts
- Origin
- Istanbul, Turkey
- Destination
- Tehran, IR
- Distance
- 2,059 km
- Typical duration
- about 3 to 4 hours
- Origin codes
- IST, SAW
- Destination codes
- THR, IKA
- Primary keyword
- flights from Istanbul to Tehran
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Route overview
Istanbul to Tehran is a city-pair air route between Turkey and IR. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are IST and THR. Related codes: IST, SAW → THR, IKA.
Distance
Approximate flight distance: 2,059 km (great-circle). Actual flown distance can be longer depending on airway routing.
Duration
Typical block time for a direct flight is about 3 to 4 hours. Connecting itineraries take longer and depend on layover airports.
Airports
Istanbul airports and metro codes: IST, SAW.
Tehran airports and metro codes: THR, IKA.
Alternative routes
Related searches include the reverse route Tehran to Istanbul, other destinations from Istanbul, and other origins into Tehran.
Frequently asked questions
How long is the flight from Istanbul to Tehran?
Direct flights from Istanbul to Tehran typically take about 3 to 4 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from Istanbul to Tehran?
The great-circle distance between Istanbul and Tehran is approximately 2,059 km. Flown distance can be longer depending on airways.
Which airports serve flights from Istanbul to Tehran?
Istanbul is commonly searched with code IST (related: IST, SAW). Tehran is commonly searched with code THR (related: THR, IKA).
Are there direct flights from Istanbul to Tehran?
Direct service availability varies by season and airline. Compare live schedules on Cheap Flights Worldwide for current nonstop and connecting options on this route.
What is the reverse flight route from Tehran to Istanbul?
The reverse city pair is Tehran to Istanbul. Distance is the same great-circle measure (2,059 km); block time can differ with winds and schedules.
Which countries does the Istanbul to Tehran route connect?
This route connects Turkey (Istanbul) with IR (Tehran).