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

Return flights

27 Aug - 26 Sep	Wizz Air
27 Aug - 25 Sep	Wizz Air	direct
19 Aug - 08 Sep	Wizz Air
24 Aug - 12 Sep	Wizz Air
30 Aug - 17 Sep	Wizz Air
30 Aug - 10 Sep	Wizz Air
26 Aug - 25 Sep	Wizz Air
31 Aug - 17 Sep	Wizz Air
31 Aug - 10 Sep	Wizz Air
29 Aug - 15 Sep	Wizz Air
03 Aug - 06 Aug	Wizz Air UK
25 Aug - 27 Aug	Wizz Air
22 Aug - 27 Aug	Wizz Air
22 Aug - 25 Aug	Wizz Air
21 Aug - 25 Aug	Wizz Air
21 Aug - 26 Aug	Wizz Air
03 Aug - 06 Aug	Wizz Air	direct
18 Aug - 25 Aug	Wizz Air
24 Aug - 26 Aug	Wizz Air
05 Aug - 06 Aug	Wizz Air	direct

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

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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Cheapest return flights from London to Sofia in August from 129€

Return flights