Cheapest return flights from Porto to Bilbao in January from $76

Best time to book flights for Porto (OPO) to Bilbao (BIO) flights at AirHint

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

Return flights

06 Jan - 20 Jan Vueling Airlines direct
17 Jan - 20 Jan Vueling Airlines direct
22 Jan - 08 Feb Vueling Airlines
03 Jan - 20 Jan Vueling Airlines direct
01 Jan - 20 Jan Vueling Airlines direct
01 Jan - 03 Jan Vueling Airlines direct
17 Jan - 19 Jan Vueling Airlines
06 Jan - 19 Jan Vueling Airlines
04 Jan - 20 Jan Vueling Airlines
21 Jan - 08 Feb Vueling Airlines
04 Jan - 20 Jan Volotea direct
03 Jan - 19 Jan Vueling Airlines
26 Jan - 15 Feb Vueling Airlines
26 Jan - 08 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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