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

Return flights

31 Dec - 30 Jan	easyJet	direct
31 Dec - 22 Jan	easyJet	direct
31 Dec - 29 Jan	easyJet	direct
31 Dec - 15 Jan	easyJet	direct
31 Dec - 17 Jan	easyJet	direct
31 Dec - 19 Jan	easyJet	direct
31 Dec - 16 Jan	easyJet	direct
31 Dec - 31 Jan	easyJet	direct
31 Dec - 18 Jan	easyJet	direct
31 Dec - 10 Jan	easyJet
15 Dec - 20 Dec	easyJet
14 Dec - 20 Dec	Wizz Air UK
12 Dec - 18 Dec	Wizz Air UK
14 Dec - 16 Dec	Wizz Air UK
14 Dec - 18 Dec	Wizz Air UK
28 Dec - 31 Dec	Ryanair
12 Dec - 16 Dec	Wizz Air UK
12 Dec - 15 Dec	Wizz Air UK
14 Dec - 17 Dec	easyJet
16 Dec - 20 Dec	Wizz Air

Also check the deals for one-way flights from London 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 London to Sofia in December from $95

Return flights