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

Return flights

21 Jan - 26 Jan	British Airways	direct
24 Jan - 26 Jan	British Airways	direct
21 Jan - 28 Jan	British Airways	direct
27 Jan - 31 Jan	Aer Lingus
31 Jan - 08 Feb	Lufthansa
31 Jan - 03 Feb	Lufthansa
31 Jan - 05 Feb	Lufthansa
31 Jan - 04 Feb	Lufthansa
31 Jan - 07 Feb	Lufthansa
31 Jan - 02 Feb	Lufthansa
31 Jan - 01 Feb	Lufthansa
28 Jan - 05 Feb	Lufthansa
30 Jan - 03 Feb	Bulgaria Air
27 Jan - 03 Feb	Lufthansa
29 Jan - 30 Jan	Lufthansa
24 Jan - 31 Jan	Bulgaria Air
27 Jan - 28 Jan	Lufthansa
29 Jan - 29 Jan	Lufthansa
28 Jan - 30 Jan	Lufthansa
27 Jan - 30 Jan	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 $186

Return flights