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

Return flights

29 Sep - 08 Oct	Ryanair
29 Sep - 01 Oct	Ryanair
29 Sep - 07 Oct	Ryanair
24 Sep - 01 Oct	Ryanair
22 Sep - 26 Sep	Ryanair
24 Sep - 03 Oct	Ryanair
15 Sep - 18 Sep	Ryanair
29 Sep - 02 Oct	Ryanair
26 Sep - 01 Oct	Ryanair
22 Sep - 30 Sep	Ryanair
15 Sep - 19 Sep	Ryanair
23 Sep - 30 Sep	SWISS
27 Sep - 01 Oct	Ryanair
30 Sep - 03 Oct	Ryanair
15 Sep - 20 Sep	Ryanair
15 Sep - 17 Sep	Ryanair
15 Sep - 26 Sep	Ryanair
26 Sep - 03 Oct	Ryanair
16 Sep - 22 Sep	SWISS
23 Sep - 26 Sep	Ryanair

Also check the deals for one-way flights from Dublin to Santorini (Thira) 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.

Book a cheap hotel in Santorini (Thira)

Cheap car rent in Santorini (Thira)

Cheapest return flights from Dublin to Santorini (Thira) in September from 172€

Return flights