Cheapest one-way flights from Istanbul to Athens in September from 37€

Best time to book flights for Istanbul (IST) to Athens (ATH) flights at AirHint

AirHint found the following cheapest one-way flights from Istanbul (IST) to Athens (ATH) in September 2025 (see full year).

One-Way flights

03 Sep Pegasus Airlines direct
22 Sep Pegasus Airlines direct
07 Sep Pegasus Airlines direct
01 Sep Pegasus Airlines direct
05 Sep Pegasus Airlines direct
11 Sep Aegean Airlines direct
12 Sep Aegean Airlines direct
14 Sep SKY express direct
25 Sep SKY express direct

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

Skyscanner

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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