Cheapest return flights from London to Sofia in December from $163

Best time to book flights for London (LHR) to Sofia (SOF) flights at AirHint

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

Return flights

03 Dec - 06 Dec British Airways
09 Dec - 18 Dec British Airways
31 Dec - 07 Jan Lufthansa
17 Dec - 19 Dec Lufthansa
17 Dec - 24 Dec Lufthansa
14 Dec - 17 Dec Lufthansa
27 Dec - 07 Jan Lufthansa
05 Dec - 07 Dec Lufthansa
17 Dec - 21 Dec Lufthansa
31 Dec - 07 Jan British Airways direct
26 Dec - 29 Dec Austrian Airlines
26 Dec - 29 Dec British Airways direct
18 Dec - 22 Dec LOT
27 Dec - 03 Jan Lufthansa
24 Dec - 04 Jan SWISS
20 Dec - 02 Jan Austrian Airlines
27 Dec - 07 Jan British Airways direct
20 Dec - 04 Jan Austrian Airlines
20 Dec - 02 Jan British Airways direct
27 Dec - 03 Jan British Airways direct

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

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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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