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

Return flights

20 Dec - 08 Jan	LOT
21 Dec - 08 Jan	LOT
23 Dec - 02 Jan	LOT
20 Dec - 02 Jan	LOT
21 Dec - 02 Jan	LOT
28 Dec - 05 Jan	EgyptAir
28 Dec - 04 Jan	EgyptAir
12 Dec - 16 Dec	AJet
30 Dec - 04 Jan	AJet
29 Dec - 04 Jan	TAROM
11 Dec - 18 Dec	AJet
26 Dec - 05 Jan	EgyptAir
13 Dec - 14 Dec	LOT
17 Dec - 21 Dec	Aegean Airlines

Also check the deals for one-way flights from Cairo 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 Cairo to Sofia in December from 262€

Return flights