Cheapest return flights from Bilbao to Sofia in April from 149€

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 April 2025 (see full year).

Return flights

01 Apr - 06 Apr Vueling Airlines
29 Apr - 05 May Vueling Airlines
09 Apr - 14 Apr Vueling Airlines
25 Apr - 28 Apr Vueling Airlines
30 Apr - 05 May Vueling Airlines
24 Apr - 28 Apr Vueling Airlines
08 Apr - 11 Apr Vueling Airlines
11 Apr - 15 Apr Vueling Airlines
30 Apr - 04 May Vueling Airlines
14 Apr - 25 Apr Vueling Airlines
14 Apr - 20 Apr Vueling Airlines
15 Apr - 18 Apr Wizz Air Malta
18 Apr - 21 Apr 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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