Cheapest return flights from London to Sofia in September from $247

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

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

Return flights

11 Sep - 14 Sep Norwegian Air Sweden AOC
01 Sep - 07 Sep Vueling Airlines
06 Sep - 09 Sep Wizz Air Malta
11 Sep - 16 Sep Norwegian Air Sweden AOC
05 Sep - 08 Sep Wizz Air Malta
18 Sep - 25 Sep Turkish Airlines
22 Sep - 29 Sep Wizz Air Malta

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

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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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