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

Return flights

05 Jul - 12 Jul	Austrian Airlines
05 Jul - 12 Jul	British Airways	direct
18 Jul - 21 Jul	Lufthansa
17 Jul - 24 Jul	Lufthansa
22 Jul - 29 Jul	British Airways	direct
13 Jul - 19 Jul	Lufthansa
13 Jul - 19 Jul	British Airways	direct
08 Jul - 15 Jul	LOT
17 Jul - 24 Jul	British Airways	direct

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 $224

Return flights