From Ljubljana, reaching Sofia in Bulgaria currently costs from €86. Fares are available from several carriers, with prices shifting week to week. The route includes both direct and connecting options - price and travel time trade off depending on which you choose. The flight typically takes around 1h 27min. Prices follow seasonal patterns - the calendar below shows where the dips and peaks fall across the next 12 months, so you can book at the right moment.
For the best prices on this route, aim to book at least 3-4 weeks in advance. Tuesday and Wednesday departures from Ljubljana tend to be cheaper than Friday or Sunday flights. If €86 is above your budget, try adjusting to a shoulder-season month using the calendar above - fares can drop significantly outside peak periods.
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Based on tracked fares, September is the cheapest month to fly this route at around €86.
Prices last updated: August 2026
September in Sofia
Historical averages from Open-Meteo. Shown for the cheapest travel month.
Bulgaria's capital has quietly grown into one of Southeast Europe's more interesting city-break destinations - affordable, compact, and with a mix of Roman ruins, Orthodox churches, and a lively craft-beer and café scene. Vitosha mountain rises directly south of Sofia, offering hiking and skiing effectively within the city limits.
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