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

Return flights

29 Sep - 09 Oct	easyJet
30 Sep - 07 Oct	easyJet
29 Sep - 02 Oct	easyJet	direct
29 Sep - 13 Oct	easyJet	direct
25 Sep - 13 Oct	easyJet	direct
25 Sep - 02 Oct	easyJet	direct
29 Sep - 20 Oct	easyJet	direct
22 Sep - 13 Oct	easyJet	direct
22 Sep - 02 Oct	easyJet	direct
30 Sep - 04 Oct	easyJet
22 Sep - 30 Sep	easyJet
23 Sep - 30 Sep	easyJet
26 Sep - 30 Sep	Aegean Airlines
22 Sep - 25 Sep	easyJet	direct
25 Sep - 29 Sep	easyJet
25 Sep - 27 Sep	easyJet
22 Sep - 27 Sep	easyJet
25 Sep - 29 Sep	easyJet	direct
22 Sep - 29 Sep	easyJet	direct
25 Sep - 27 Sep	easyJet	direct

Also check the deals for one-way flights from Geneva 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.

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Cheapest return flights from Geneva to Santorini (Thira) in September from 168€

Return flights