AirHint found the following cheapest return flights from Alicante (ALC) to Sofia (SOF) in December 2025 (see full year).

Return flights

02 Dec - 12 Dec	Ryanair	direct
02 Dec - 05 Dec	Ryanair	direct
09 Dec - 12 Dec	Ryanair	direct
05 Dec - 09 Dec	Ryanair	direct
06 Dec - 09 Dec	Ryanair
12 Dec - 26 Dec	Ryanair	direct
09 Dec - 26 Dec	Ryanair	direct
05 Dec - 08 Dec	Ryanair
23 Dec - 02 Jan	Ryanair	direct
30 Dec - 02 Jan	Vueling Airlines
30 Dec - 02 Jan	Ryanair	direct
26 Dec - 02 Jan	Ryanair
26 Dec - 29 Dec	Ryanair

Also check the deals for one-way flights from Alicante to Sofia in December.

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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Cheapest return flights from Alicante to Sofia in December from 84€

Return flights