AirHint found the following cheapest return flights from Athens (ATH) to Istanbul (IST) in October 2026 (see full year).
Return flights
| 09 Oct - 12 Oct | Pegasus Airlines | direct | |
| 01 Oct - 05 Oct | Pegasus Airlines | direct | |
| 14 Oct - 19 Oct | Aegean Airlines | direct | |
| 14 Oct - 21 Oct | Aegean Airlines | direct | |
| 21 Oct - 24 Oct | Aegean Airlines | direct |
Also check the deals for one-way flights from Athens to Istanbul in October.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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