AirHint found the following cheapest return flights from Thessaloniki (SKG) to Zagreb (ZAG) in August 2025 (see full year).

Return flights

31 Aug - 06 Sep	Aegean Airlines
30 Aug - 18 Sep	Ryanair	direct
30 Aug - 02 Sep	Ryanair	direct
30 Aug - 06 Sep	Ryanair	direct
30 Aug - 14 Sep	Ryanair	direct
30 Aug - 20 Sep	Ryanair	direct
31 Aug - 18 Sep	Ryanair	direct
30 Aug - 13 Sep	Ryanair	direct
30 Aug - 16 Sep	Ryanair	direct
31 Aug - 06 Sep	Ryanair	direct
30 Aug - 31 Aug	Ryanair	direct

Also check the deals for one-way flights from Thessaloniki to Zagreb 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.

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Cheapest return flights from Thessaloniki to Zagreb in August from $224

Return flights