AirHint found the following cheapest return flights from Ibiza (IBZ) to Porto (OPO) in September 2025 (see full year).

Return flights

30 Sep - 07 Oct	Ryanair
04 Sep - 09 Sep	Ryanair
03 Sep - 09 Sep	Ryanair
23 Sep - 30 Sep	Ryanair
24 Sep - 27 Sep	Ryanair
30 Sep - 21 Oct	Vueling Airlines
25 Sep - 30 Sep	Ryanair
09 Sep - 18 Sep	Vueling Airlines
30 Sep - 18 Oct	Vueling Airlines
23 Sep - 30 Sep	Ryanair	direct
20 Sep - 22 Sep	Ryanair
20 Sep - 23 Sep	Ryanair
09 Sep - 13 Sep	Vueling Airlines
27 Sep - 18 Oct	Ryanair	direct
23 Sep - 07 Oct	Ryanair
23 Sep - 08 Oct	Ryanair
30 Sep - 15 Oct	Vueling Airlines
30 Sep - 16 Oct	Vueling Airlines
22 Sep - 07 Oct	Vueling Airlines
24 Sep - 07 Oct	Vueling Airlines

Also check the deals for one-way flights from Ibiza to Porto 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 Ibiza to Porto in September from $101

Return flights