Cheapest return flights from London to Sofia in September from 120€

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 September 2025 (see full year).

Return flights

02 Sep - 09 Sep British Airways direct
06 Sep - 15 Sep British Airways direct
01 Sep - 07 Sep British Airways
02 Sep - 10 Sep British Airways
04 Sep - 07 Sep British Airways
11 Sep - 14 Sep British Airways
12 Sep - 19 Sep British Airways direct
02 Sep - 10 Sep British Airways direct
11 Sep - 14 Sep British Airways direct
04 Sep - 07 Sep British Airways direct

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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