Cheapest return flights from Bilbao to Sofia in April from 105€

AirHint found the following cheapest return flights from Bilbao (BIO) to Sofia (SOF) in April 2026 (see full year).

Return flights

15 Apr - 22 Apr Wizz Air UK
17 Apr - 21 Apr Wizz Air UK
20 Apr - 29 Apr Wizz Air UK
16 Apr - 19 Apr Wizz Air
13 Apr - 20 Apr Wizz Air UK
14 Apr - 18 Apr Wizz Air
15 Apr - 17 Apr Wizz Air UK
13 Apr - 25 Apr Wizz Air UK
11 Apr - 22 Apr Wizz Air
25 Apr - 28 Apr Volotea
30 Apr - 03 May Vueling Airlines

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

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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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