AirHint found the following cheapest one-way flights from London (LHR) to Sofia (SOF) in July 2026 (see full year).
One-Way flights
| 18 Jul | Air Serbia | ||
| 12 Jul | Air Serbia | ||
| 08 Jul | LOT | ||
| 09 Jul | LOT | ||
| 23 Jul | LOT | ||
| 28 Jul | LOT | ||
| 30 Jul | LOT | ||
| 17 Jul | LOT | ||
| 27 Jul | Lufthansa | ||
| 12 Jul | Bulgaria Air | direct |
Also check the deals for return flights from London to Sofia in July.
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