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

Return flights

09 Sep - 12 Sep	Vueling Airlines	direct
02 Sep - 12 Sep	Vueling Airlines	direct
10 Sep - 16 Sep	Aegean Airlines
18 Sep - 25 Sep	Ryanair
09 Sep - 11 Sep	Vueling Airlines	direct
02 Sep - 11 Sep	Vueling Airlines	direct
10 Sep - 12 Sep	Vueling Airlines
08 Sep - 09 Sep	Ryanair
02 Sep - 09 Sep	Vueling Airlines	direct
10 Sep - 11 Sep	Vueling Airlines

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

Cheap car rent in Barcelona

Cheapest return flights from Santorini (Thira) to Barcelona in September from $253

Return flights