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

Return flights

08 Dec - 16 Dec	easyJet
08 Dec - 10 Dec	easyJet
12 Dec - 15 Dec	easyJet
12 Dec - 19 Dec	easyJet
09 Dec - 13 Dec	easyJet
06 Dec - 08 Dec	easyJet
14 Dec - 21 Dec	easyJet
05 Dec - 07 Dec	Air Serbia
17 Dec - 28 Dec	easyJet
29 Dec - 01 Jan	easyJet
28 Dec - 05 Jan	Lufthansa
31 Dec - 04 Jan	easyJet
19 Dec - 05 Jan	LOT
20 Dec - 03 Jan	easyJet
21 Dec - 04 Jan	easyJet
19 Dec - 02 Jan	easyJet
27 Dec - 02 Jan	Lufthansa

Also check the deals for one-way flights from Geneva 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 Geneva to Sofia in December from $137

Return flights