Cheapest return flights from London to Sofia in December from $126

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

13 Dec - 17 Dec British Airways direct
12 Dec - 16 Dec British Airways direct
16 Dec - 20 Dec British Airways direct
03 Dec - 13 Dec British Airways direct
15 Dec - 19 Dec British Airways direct
03 Dec - 08 Dec British Airways direct
14 Dec - 18 Dec Air Serbia
11 Dec - 13 Dec Air Serbia
26 Dec - 30 Dec LOT
17 Dec - 21 Dec Lufthansa
06 Dec - 05 Jan Lufthansa
06 Dec - 05 Jan British Airways direct
29 Dec - 03 Jan British Airways
27 Dec - 06 Jan Lufthansa
24 Dec - 11 Jan Austrian Airlines
27 Dec - 06 Jan British Airways direct
24 Dec - 04 Jan Austrian Airlines
24 Dec - 11 Jan British Airways direct
19 Dec - 05 Jan Lufthansa
23 Dec - 11 Jan Lufthansa

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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