AirHint found the following cheapest return flights from Santorini (Thira) (JTR) to Brussels (BRU) in September 2025 (see full year).

Return flights

27 Sep - 30 Sep	Ryanair
27 Sep - 29 Sep	easyJet
01 Sep - 05 Sep	easyJet
27 Sep - 28 Sep	Volotea
27 Sep - 01 Oct	Ryanair
09 Sep - 12 Sep	SKY express
04 Sep - 08 Sep	Vueling Airlines
09 Sep - 14 Sep	SKY express
09 Sep - 28 Sep	SKY express
27 Sep - 02 Oct	Volotea
09 Sep - 29 Sep	SKY express
09 Sep - 21 Sep	SKY express
12 Sep - 02 Oct	Vueling Airlines
21 Sep - 02 Oct	TUI fly Belgium
21 Sep - 08 Oct	TUI fly Belgium
28 Sep - 02 Oct	TUI fly Belgium
28 Sep - 08 Oct	TUI fly Belgium
12 Sep - 01 Oct	Vueling Airlines
21 Sep - 01 Oct	TUI fly Belgium
18 Sep - 02 Oct	SKY express

Also check the deals for one-way flights from Santorini (Thira) to Brussels 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 Santorini (Thira) to Brussels in September from $269

Return flights