Cheapest return flights from London to Sofia in September from 46€

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

Return flights

24 Sep - 11 Oct Ryanair direct
24 Sep - 08 Oct Ryanair direct
25 Sep - 11 Oct Wizz Air direct
25 Sep - 08 Oct Wizz Air direct
21 Sep - 11 Oct Wizz Air direct
21 Sep - 08 Oct Wizz Air direct
29 Sep - 11 Oct Wizz Air direct
29 Sep - 08 Oct Wizz Air direct
23 Sep - 11 Oct Wizz Air direct
23 Sep - 08 Oct Wizz Air direct
16 Sep - 27 Sep Wizz Air direct
24 Sep - 27 Sep Ryanair direct
25 Sep - 27 Sep Wizz Air direct
21 Sep - 27 Sep Wizz Air direct
07 Sep - 27 Sep Wizz Air direct
14 Sep - 27 Sep Wizz Air direct
15 Sep - 27 Sep Wizz Air direct
08 Sep - 27 Sep Wizz Air direct
23 Sep - 27 Sep Wizz Air direct
16 Sep - 26 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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