Cheapest return flights from London to Sofia in September from $106

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

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

Return flights

21 Sep - 07 Oct Wizz Air direct
30 Sep - 14 Oct Wizz Air direct
30 Sep - 07 Oct Wizz Air direct
16 Sep - 07 Oct Wizz Air direct
23 Sep - 14 Oct Wizz Air direct
23 Sep - 07 Oct Wizz Air direct
28 Sep - 14 Oct Wizz Air direct
28 Sep - 07 Oct Wizz Air direct
22 Sep - 07 Oct Wizz Air direct
26 Sep - 14 Oct Wizz Air direct
21 Sep - 26 Sep Wizz Air direct
21 Sep - 25 Sep Wizz Air direct
21 Sep - 27 Sep Wizz Air direct
15 Sep - 26 Sep Wizz Air direct
15 Sep - 25 Sep Wizz Air direct
15 Sep - 27 Sep Wizz Air direct
16 Sep - 26 Sep Wizz Air direct
16 Sep - 25 Sep Wizz Air direct
16 Sep - 27 Sep Wizz Air direct
23 Sep - 25 Sep Wizz Air 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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