Cheapest return flights from Bilbao to Singapore in September from $648

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

Return flights

17 Sep - 30 Sep Air France
18 Sep - 30 Sep KLM
18 Sep - 07 Oct KLM
19 Sep - 04 Oct Wizz Air Malta
19 Sep - 03 Oct Wizz Air Malta
17 Sep - 21 Sep Vueling Airlines
18 Sep - 04 Oct Volotea
18 Sep - 03 Oct Volotea
07 Sep - 18 Sep SWISS

Also check the deals for one-way flights from Bilbao to Singapore in September.

Skyscanner

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Feel free to contact us with any feedback or request another flight research.