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

Return flights

23 Sep - 01 Oct	Eurowings
30 Sep - 09 Oct	Eurowings
27 Sep - 07 Oct	Eurowings
30 Sep - 07 Oct	Eurowings
27 Sep - 01 Oct	Eurowings
30 Sep - 06 Oct	Eurowings
23 Sep - 21 Oct	Eurowings
29 Sep - 07 Oct	Wizz Air Malta
23 Sep - 30 Sep	Eurowings
22 Sep - 20 Oct	Wizz Air Malta
29 Sep - 06 Oct	Wizz Air Malta
27 Sep - 30 Sep	Eurowings
23 Sep - 25 Sep	Eurowings
24 Sep - 30 Sep	Wizz Air Malta
23 Sep - 29 Sep	Eurowings
25 Sep - 30 Sep	Wizz Air Malta
23 Sep - 27 Sep	Eurowings
20 Sep - 23 Sep	Eurowings
25 Sep - 29 Sep	Wizz Air Malta
21 Sep - 30 Sep	Wizz Air

Also check the deals for one-way flights from Dortmund 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 Dortmund to Thessaloniki in September from 137€

Return flights