Open interactive map →Cheap flights from Basel to Sofia
Planning a trip from Basel to Sofia? Current fares start at €43 - a solid entry point for a flight to Bulgaria. Kiwi.com currently has the lowest available fare on this route. The cheapest fare is non-stop, so no connection time to factor into your schedule. Use the price calendar to identify your cheapest month, then click through to compare live seat availability.
For the best prices on this route, aim to book at least 3-4 weeks in advance. Tuesday and Wednesday departures from Basel tend to be cheaper than Friday or Sunday flights. If €43 is above your budget, try adjusting to a shoulder-season month using the calendar above - fares can drop significantly outside peak periods.
Cheapest month to fly
- July 2026€43DirectCheapest
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.
Alternative routes
Other ways to reach Sofia
Frequently asked questions
How much does a flight from Basel to Sofia cost?
The cheapest fare currently available from Basel to Sofia is €43. 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 Basel to Sofia?
Yes - non-stop flights are currently available from Basel to Sofia. The cheapest direct fare starts at €43, making it a convenient option if you want to avoid layover time. Direct flights are generally quicker and less stressful, especially for shorter trips to Bulgaria. Click through to the booking site to check live availability and schedules for your dates.
When is the cheapest time to fly from Basel 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 Basel. 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 Basel to Sofia?
Kiwi.com currently offers the lowest fare on this route at €43. Other carriers may also operate flights between Basel and Sofia, particularly on busier travel dates when more capacity is added. Airline pricing varies by date, seat class, and how far in advance you book. Click through to our partner booking site to compare all available airlines, departure times, and fare classes for your specific dates.