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

Return flights

27 Sep - 05 Oct	Wizz Air Malta
16 Sep - 02 Oct	Ryanair
27 Sep - 23 Oct	Ryanair
16 Sep - 24 Sep	Ryanair
03 Sep - 11 Sep	Vueling Airlines
22 Sep - 26 Sep	TAP
16 Sep - 30 Sep	Ryanair
23 Sep - 30 Sep	Ryanair
08 Sep - 15 Sep	Austrian Airlines
15 Sep - 26 Sep	easyJet
17 Sep - 29 Sep	KLM
02 Sep - 17 Sep	Vueling Airlines
04 Sep - 11 Sep	Vueling Airlines
21 Sep - 05 Oct	KLM
29 Sep - 04 Oct	KLM
21 Sep - 04 Oct	KLM

Also check the deals for one-way flights from Porto to Denpasar 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 Denpasar in September from 792€

Return flights