The cheapest month to fly from Istanbul to Tehran is October, with fares from €195. The most expensive period is January, when prices can reach €245+ — a difference of €50 per ticket. Booking on a Tuesday and travelling off-peak can save you significantly on the 2,052 km IST–IKA sector.
Based on 51 real fares found on this route over the last 12 months, showing the cheapest seen in each of 5 months. Updated 30 Aug 2026.
| Month | From price | vs cheapest | Verdict |
|---|---|---|---|
| January | €245 | +€50 | Expensive |
| September | €218 | +€23 | Average |
| October | €195 | Cheapest | Best value |
| November | €202 | +€7 | Best value |
| December | €215 | +€20 | Average |
On the Istanbul–Tehran route, Tuesdays are typically the cheapest day to fly, while Sundays are most expensive. Mid-week departures (Tuesday, Wednesday) save an average of 15–25% compared to weekend travel.
| Airline | Code | Role | Aircraft |
|---|---|---|---|
| Iran Air | IR | Operates | Airbus Industrie A310-300, Boeing 747SP, Airbus Industrie A300B2/B4/C4 |
| Turkish Airlines | TK | Operates | Airbus Industrie A321, Airbus Industrie A330 |
| AtlasGlobal | KK | Operates | Airbus Industrie A320 |
| Pegasus Airlines | PC | Operates | Boeing 737-800 |
| Departs | Booking site | Stops | Duration | From |
|---|---|---|---|---|
| Tue 13 Oct | Wingie | Direct | 6h 35m | €195 |
| Wed 11 Nov | Авиасейлс | Direct | 6h 35m | €202 |
| Thu 12 Nov | Aviakassa | Direct | 6h 35m | €210 |
| Sun 27 Dec | Biletix | Direct | 6h 35m | €215 |
| Wed 2 Sep | Wingie | Direct | 6h 30m | €218 |
| Thu 1 Oct | Biletix | Direct | 6h 35m | €219 |
| Thu 1 Oct | Multiple | Direct | — | €225 |
| Thu 1 Oct | Multiple | Direct | — | €225 |
| Thu 1 Oct | Multiple | Direct | — | €225 |
| Thu 1 Oct | Multiple | Direct | — | €225 |
