AirHint found the following cheapest return flights from London (LCY) to Sofia (SOF) in January 2026 (see full year).

Return flights

14 Jan - 22 Jan	SWISS
20 Jan - 27 Jan	Lufthansa
16 Jan - 21 Jan	Lufthansa
23 Jan - 30 Jan	Lufthansa
19 Jan - 22 Jan	Lufthansa
14 Jan - 20 Jan	Lufthansa
23 Jan - 28 Jan	Lufthansa
20 Jan - 22 Jan	Lufthansa
26 Jan - 30 Jan	Lufthansa
15 Jan - 16 Jan	SWISS
26 Jan - 10 Feb	Lufthansa
30 Jan - 04 Feb	Lufthansa
28 Jan - 13 Feb	SWISS
30 Jan - 13 Feb	Lufthansa
30 Jan - 03 Feb	Lufthansa
26 Jan - 02 Feb	Lufthansa
30 Jan - 09 Feb	Lufthansa
28 Jan - 03 Feb	SWISS
30 Jan - 02 Feb	Lufthansa
08 Jan - 05 Feb	Lufthansa

Also check the deals for one-way flights from London to Sofia in January.

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 January from 192€

Return flights