AirHint found the following cheapest return flights from Thessaloniki (SKG) to Istanbul (IST) in July 2025 (see full year).

Return flights

11 Jul - 18 Jul	Ryanair
10 Jul - 29 Jul	Aegean Airlines
24 Jul - 26 Jul	Aegean Airlines
22 Jul - 24 Jul	Aegean Airlines
29 Jul - 05 Aug	Aegean Airlines
11 Jul - 04 Aug	Ryanair
08 Jul - 10 Jul	Aegean Airlines
31 Jul - 07 Aug	Aegean Airlines
11 Jul - 13 Jul	Ryanair
08 Jul - 11 Jul	Aegean Airlines
19 Jul - 26 Jul	Aegean Airlines
12 Jul - 26 Jul	Aegean Airlines
10 Jul - 15 Jul	Aegean Airlines
31 Jul - 08 Aug	Aegean Airlines
30 Jul - 04 Aug	Ryanair
30 Jul - 07 Aug	Ryanair
26 Jul - 02 Aug	Aegean Airlines
30 Jul - 07 Aug	Turkish Airlines	direct
27 Jul - 04 Aug	SKY express
20 Jul - 04 Aug	SKY express

Also check the deals for one-way flights from Thessaloniki to Istanbul in July.

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 return flights from Thessaloniki to Istanbul in July from $204

Return flights