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

Return flights

23 Sep - 30 Sep	Wizz Air Malta
27 Sep - 01 Oct	Wizz Air Malta
24 Sep - 01 Oct	Ryanair
30 Sep - 03 Oct	easyJet
11 Sep - 16 Sep	Ryanair
09 Sep - 16 Sep	Vueling Airlines
11 Sep - 17 Sep	Ryanair
10 Sep - 16 Sep	Vueling Airlines
29 Sep - 03 Oct	Vueling Airlines
26 Sep - 30 Sep	easyJet
08 Sep - 16 Sep	Ryanair
09 Sep - 17 Sep	Vueling Airlines
16 Sep - 23 Sep	Wizz Air Malta
14 Sep - 17 Sep	easyJet
28 Sep - 05 Oct	easyJet
29 Sep - 04 Oct	Wizz Air Malta
27 Sep - 04 Oct	Ryanair
29 Sep - 20 Oct	Vueling Airlines
29 Sep - 14 Oct	Vueling Airlines
29 Sep - 02 Oct	Vueling Airlines

Also check the deals for one-way flights from Porto to Split 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 Porto to Split in September from 135€

Return flights