Cheapest return flights from Bilbao to Sofia in June from $206

Best time to book flights for Bilbao (BIO) to Sofia (SOF) flights at AirHint

AirHint found the following cheapest return flights from Bilbao (BIO) to Sofia (SOF) in June 2025 (see full year).

Return flights

04 Jun - 11 Jun Vueling Airlines
16 Jun - 29 Jun Volotea
07 Jun - 11 Jun Air Europa
13 Jun - 15 Jun Vueling Airlines
15 Jun - 23 Jun Volotea
20 Jun - 23 Jun Vueling Airlines
28 Jun - 05 Jul Wizz Air Malta

Also check the deals for one-way flights from Bilbao to Sofia in June.

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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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