Cheapest return flights from London to Sofia in September from $223

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

23 Sep - 01 Oct Wizz Air direct
23 Sep - 30 Sep Wizz Air direct
24 Sep - 01 Oct Wizz Air direct
15 Sep - 01 Oct Wizz Air direct
10 Sep - 01 Oct Wizz Air direct
17 Sep - 01 Oct Wizz Air direct
23 Sep - 12 Oct Wizz Air direct
03 Sep - 07 Sep Ryanair
24 Sep - 30 Sep Wizz Air direct
15 Sep - 30 Sep Wizz Air direct
10 Sep - 30 Sep Wizz Air direct
09 Sep - 30 Sep Wizz Air direct
17 Sep - 30 Sep Wizz Air direct
24 Sep - 12 Oct Wizz Air direct
17 Sep - 23 Sep Ryanair
06 Sep - 17 Sep Wizz Air direct
06 Sep - 22 Sep Wizz Air direct
23 Sep - 13 Oct Wizz Air direct
24 Sep - 13 Oct Wizz Air direct
23 Sep - 08 Oct 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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