From Ljubljana, reaching Sofia in Bulgaria currently costs from €142. 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. 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 €142 is above your budget, try adjusting to a shoulder-season month using the calendar above - fares can drop significantly outside peak periods.
Based on tracked fares, August is the cheapest month to fly this route at around €142.
Prices last updated: July 2026
About Sofia
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.
How much does a flight from Ljubljana to Sofia cost?+
The cheapest fare currently available from Ljubljana to Sofia is €142. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Ljubljana to Sofia?+
SkyHopp tracks both direct and connecting flights from Ljubljana to Sofia. Connecting flights are often priced lower but add travel time due to the layover. Whether a non-stop option exists on specific dates depends on airline schedules - use the "Direct only" filter on the interactive map to see non-stop options, or check the booking site for a full breakdown by stop count.
When is the cheapest time to fly from Ljubljana to Sofia?+
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Ljubljana. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.
Which airlines fly from Ljubljana to Sofia?+
Multiple carriers operate flights between Ljubljana and Sofia, with availability and pricing varying by date and season. Airline options and schedules change throughout the year, especially around peak travel periods when additional capacity is often added. Click through to our partner booking site to see the full list of airlines, departure times, and fare classes available for your chosen dates.