AirHint found the following cheapest return flights from Bristol (BRS) to Bilbao (BIO) in October 2025 (see full year).

Return flights

14 Oct - 16 Oct	easyJet	direct
21 Oct - 23 Oct	easyJet	direct
12 Oct - 16 Oct	easyJet	direct
05 Oct - 07 Oct	easyJet	direct
19 Oct - 23 Oct	easyJet	direct
19 Oct - 21 Oct	easyJet	direct
28 Oct - 31 Oct	easyJet	direct
11 Oct - 14 Oct	easyJet
02 Oct - 07 Oct	easyJet
01 Oct - 14 Oct	Ryanair
31 Oct - 03 Nov	easyJet
31 Oct - 02 Nov	easyJet
26 Oct - 01 Nov	Ryanair

Also check the deals for one-way flights from Bristol to Bilbao in October.

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 Bristol to Bilbao in October from $51

Return flights