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

Return flights

09 Sep - 22 Sep	Wizz Air Malta
16 Sep - 29 Sep	Wizz Air Malta
16 Sep - 01 Oct	Wizz Air Malta
13 Sep - 24 Sep	Wizz Air Malta
13 Sep - 28 Sep	Wizz Air Malta
11 Sep - 18 Sep	Volotea
08 Sep - 21 Sep	Volotea
29 Sep - 05 Oct	Volotea
15 Sep - 28 Sep	Volotea
22 Sep - 05 Oct	Volotea
12 Sep - 23 Sep	Aegean Airlines
24 Sep - 08 Oct	Vueling Airlines
26 Sep - 04 Oct	Aegean Airlines
14 Sep - 29 Sep	easyJet
07 Sep - 11 Sep	Vueling Airlines

Also check the deals for one-way flights from Bilbao to Colombo 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 Colombo in September from 589€

Return flights