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

Return flights

01 Dec - 15 Dec	Wizz Air
01 Dec - 22 Dec	Wizz Air	direct
01 Dec - 15 Dec	Wizz Air	direct
05 Dec - 07 Dec	Ryanair
06 Dec - 07 Dec	Ryanair
01 Dec - 12 Dec	Wizz Air	direct
01 Dec - 19 Dec	Wizz Air	direct
01 Dec - 16 Dec	Wizz Air	direct
01 Dec - 13 Dec	Wizz Air	direct
01 Dec - 06 Dec	Wizz Air	direct
07 Dec - 10 Jan	Wizz Air UK
31 Dec - 10 Jan	Wizz Air Malta
13 Dec - 10 Jan	Ryanair
12 Dec - 05 Jan	Ryanair
03 Dec - 02 Jan	Wizz Air Malta
02 Dec - 05 Jan	Wizz Air
29 Dec - 11 Jan	Wizz Air	direct
24 Dec - 10 Jan	easyJet
28 Dec - 04 Jan	Ryanair
28 Dec - 11 Jan	Wizz Air	direct

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 126€

Return flights