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

Return flights

16 Sep - 16 Oct	KLM
17 Sep - 01 Oct	KLM
18 Sep - 02 Oct	KLM
10 Sep - 26 Sep	Wizz Air Malta
16 Sep - 30 Sep	Wizz Air
10 Sep - 15 Sep	Wizz Air Malta
10 Sep - 28 Sep	Wizz Air Malta
10 Sep - 24 Sep	Wizz Air Malta
19 Sep - 05 Oct	KLM
09 Sep - 09 Oct	Aegean Airlines
10 Sep - 23 Sep	Wizz Air Malta
09 Sep - 26 Sep	Aegean Airlines
27 Sep - 14 Oct	Vueling Airlines
11 Sep - 28 Sep	Volotea
10 Sep - 25 Sep	Wizz Air Malta
09 Sep - 17 Sep	Aegean Airlines
09 Sep - 08 Oct	Aegean Airlines
16 Sep - 08 Oct	KLM
25 Sep - 11 Oct	Volotea
09 Sep - 07 Oct	Aegean Airlines

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

Return flights