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

Return flights

25 Sep - 04 Oct	Lufthansa
26 Sep - 05 Oct	SWISS
18 Sep - 08 Oct	KLM
22 Sep - 14 Oct	Air France
26 Sep - 06 Oct	KLM
09 Sep - 24 Sep	Etihad Airways
05 Sep - 15 Sep	Etihad Airways
09 Sep - 16 Sep	Lufthansa
05 Sep - 16 Sep	Lufthansa
17 Sep - 24 Sep	Iberia
18 Sep - 25 Sep	Volotea
01 Sep - 09 Sep	Lufthansa

Also check the deals for one-way flights from Bilbao to Shanghai 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 Shanghai in September from 580€

Return flights