Cheapest return flights from Bilbao to Porto in September from $63

AirHint found the following cheapest return flights from Bilbao (BIO) to Porto (OPO) in September 2026 (see full year).

Return flights

13 Sep - 01 Oct Vueling Airlines direct
13 Sep - 02 Oct Vueling Airlines direct
22 Sep - 01 Oct Vueling Airlines direct
05 Sep - 08 Sep Vueling Airlines direct
10 Sep - 11 Sep Volotea direct
13 Sep - 30 Sep Vueling Airlines direct
10 Sep - 13 Sep Volotea direct
10 Sep - 30 Sep Volotea direct
22 Sep - 08 Oct Vueling Airlines direct
22 Sep - 06 Oct Vueling Airlines direct
22 Sep - 02 Oct Vueling Airlines direct
12 Sep - 01 Oct Vueling Airlines direct
10 Sep - 18 Sep Volotea direct
05 Sep - 09 Sep Vueling Airlines direct
15 Sep - 01 Oct Vueling Airlines direct
12 Sep - 02 Oct Vueling Airlines direct
22 Sep - 30 Sep Vueling Airlines direct
15 Sep - 02 Oct Vueling Airlines direct
05 Sep - 11 Sep Vueling Airlines direct
12 Sep - 30 Sep Vueling Airlines direct

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

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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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