Cheapest return flights from Porto to Bilbao in January from $92

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

Return flights

30 Jan - 31 Jan Iberia
30 Jan - 02 Feb Iberia
31 Jan - 02 Feb Air Europa
28 Jan - 29 Jan Air Europa
28 Jan - 31 Jan Air Europa
30 Jan - 07 Feb Iberia
30 Jan - 01 Feb Iberia
31 Jan - 01 Feb Air Europa
28 Jan - 01 Feb Air Europa
28 Jan - 30 Jan Air Europa
24 Jan - 31 Jan Vueling Airlines
24 Jan - 28 Jan Vueling Airlines
24 Jan - 06 Feb Vueling Airlines
20 Jan - 24 Jan Vueling Airlines direct
24 Jan - 27 Jan Vueling Airlines
24 Jan - 05 Feb Vueling Airlines
24 Jan - 26 Jan Vueling Airlines
20 Jan - 23 Jan Vueling Airlines
24 Jan - 04 Feb Vueling Airlines
20 Jan - 12 Feb Vueling Airlines

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

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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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