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

Return flights

02 Jul - 23 Jul	Ryanair
11 Jul - 22 Jul	Ryanair
02 Jul - 16 Jul	Ryanair
02 Jul - 23 Jul	Ryanair	direct
02 Jul - 09 Jul	Ryanair
11 Jul - 16 Jul	Ryanair
10 Jul - 15 Jul	Ryanair
02 Jul - 31 Jul	Ryanair
01 Jul - 22 Jul	Ryanair	direct
01 Jul - 10 Jul	Ryanair	direct
24 Jul - 01 Aug	Ryanair
18 Jul - 04 Aug	Ryanair
22 Jul - 01 Aug	Ryanair
29 Jul - 01 Aug	Ryanair
03 Jul - 06 Aug	Ryanair
11 Jul - 01 Aug	Ryanair	direct
11 Jul - 03 Aug	Ryanair
01 Jul - 13 Aug	Ryanair
12 Jul - 14 Aug	Ryanair
04 Jul - 14 Aug	Ryanair

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

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 July from 97€

Return flights