AirHint found the following cheapest return flights from Santorini (Thira) (JTR) to Istanbul (IST) in August 2025 (see full year).

Return flights

30 Aug - 06 Sep	Aegean Airlines	direct
26 Aug - 02 Sep	Ryanair
26 Aug - 30 Aug	Ryanair
26 Aug - 30 Aug	Aegean Airlines	direct
26 Aug - 02 Sep	Aegean Airlines	direct
26 Aug - 29 Aug	Ryanair
27 Aug - 03 Sep	Volotea
25 Aug - 01 Sep	Volotea
25 Aug - 28 Aug	Volotea
23 Aug - 26 Aug	Ryanair
31 Aug - 16 Sep	SKY express
31 Aug - 09 Sep	SKY express
24 Aug - 09 Sep	SKY express
31 Aug - 11 Sep	SKY express
31 Aug - 04 Sep	SKY express
23 Aug - 26 Aug	Aegean Airlines	direct
24 Aug - 27 Aug	SKY express
24 Aug - 29 Aug	SKY express
24 Aug - 28 Aug	SKY express
24 Aug - 26 Aug	SKY express

Also check the deals for one-way flights from Santorini (Thira) to Istanbul in August.

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Santorini (Thira) to Istanbul in August from $302

Return flights