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

Return flights

24 Sep - 30 Sep	Vueling Airlines
22 Sep - 30 Sep	Vueling Airlines
25 Sep - 30 Sep	Vueling Airlines
27 Sep - 05 Oct	Vueling Airlines
17 Sep - 24 Sep	Vueling Airlines
24 Sep - 28 Sep	Vueling Airlines
24 Sep - 08 Oct	Vueling Airlines
06 Sep - 14 Sep	Vueling Airlines
06 Sep - 24 Sep	Vueling Airlines
08 Sep - 15 Sep	Iberia
09 Sep - 14 Sep	Vueling Airlines
25 Sep - 08 Oct	Vueling Airlines
08 Sep - 14 Sep	Iberia

Also check the deals for one-way flights from Bilbao to Malta 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 Malta in September from $140

Return flights