AirHint found the following cheapest one-way flights from London (LHR) to Sofia (SOF) in July 2026 (see full year).

One-Way flights

08 Jul	LOT
16 Jul	LOT
08 Jul	British Airways	direct
24 Jul	Bulgaria Air	direct
20 Jul	Bulgaria Air	direct
29 Jul	Bulgaria Air	direct
17 Jul	LOT
18 Jul	Lufthansa
17 Jul	Bulgaria Air	direct
18 Jul	Bulgaria Air	direct

Also check the deals for return 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 one-way flights from London to Sofia in July from 132€

One-Way flights