AirHint found the following cheapest one-way flights from Athens (ATH) to Istanbul (IST) in January 2026 (see full year).

One-Way flights

28 Jan	SKY express	direct
09 Jan	SKY express	direct
21 Jan	SKY express	direct
16 Jan	SKY express	direct
14 Jan	SKY express	direct
30 Jan	SKY express	direct
31 Jan	SKY express	direct
15 Jan	SKY express	direct
24 Jan	SKY express	direct
29 Jan	SKY express	direct

Also check the deals for return flights from Athens to Istanbul in January.

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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Cheapest one-way flights from Athens to Istanbul in January from $38

One-Way flights