AirHint found the following cheapest return flights from Rome (CIA) to Thessaloniki (SKG) in September 2025 (see full year).

Return flights

15 Sep - 18 Sep	Ryanair
16 Sep - 23 Sep	Ryanair
09 Sep - 16 Sep	Ryanair
26 Sep - 29 Sep	Ryanair
27 Sep - 04 Oct	Ryanair
17 Sep - 24 Sep	Ryanair
19 Sep - 22 Sep	Ryanair
08 Sep - 13 Sep	Ryanair
20 Sep - 22 Sep	Ryanair
28 Sep - 04 Oct	Ryanair
08 Sep - 10 Sep	Ryanair
08 Sep - 15 Sep	Ryanair
28 Sep - 05 Oct	Ryanair

Also check the deals for one-way flights from Rome to Thessaloniki in September.

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 Rome to Thessaloniki in September from 137€

Return flights