Tehran (THR) to Istanbul (IST) flights
No airline flies nonstop from Tehran (THR) to Istanbul (IST). The two airports are 1,276 miles (2,054 km) apart. There are 3 ways to fly it with one stop, through Tabriz, Shiraz and Mashad.
How to fly THR to IST: one stop
3 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Tabriz (TBZ)Iran Airtour the whole wayB9W5
B9IS - Via Shiraz (SYZ)Iran Airtour the whole wayB9QBB9
- Via Mashad (MHD)Iran Airtour the whole wayB9W5ISB9IR
THR to IST: common questions
Is there a nonstop flight from THR to IST?
No. The most direct way is one stop, for example through Tabriz (TBZ) on Iran Airtour and Mahan Air and then Turkish Airlines, Iran Airtour and 1 more. This page lists all 3 1-stop options.
How far is Tehran from Istanbul by plane?
Tehran (THR) and Istanbul (IST) are 1,276 miles (2,054 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does THR to IST cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for THR to IST with taxes and fees.
Where can I connect between Tehran and Istanbul?
The most direct connections are through Tabriz (TBZ), Shiraz (SYZ) and Mashad (MHD). On 3 of them the same airline flies both flights, for example Iran Airtour through Tabriz.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.