Cheapest return flights from London to Sofia in September from 242€

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

Return flights

29 Sep - 06 Oct Lufthansa
30 Sep - 05 Oct Lufthansa
17 Sep - 21 Sep Lufthansa
14 Sep - 17 Sep SWISS
13 Sep - 16 Sep ITA Airways
06 Sep - 13 Sep SWISS
21 Sep - 24 Sep Lufthansa
08 Sep - 12 Sep ITA Airways
15 Sep - 19 Sep KLM
12 Sep - 17 Sep KLM
05 Sep - 12 Sep KLM

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

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