Cheap flights from Sofia to Helsinki
Cheapest current fares: $107 in August 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Sofia (SOF) to Helsinki (HEL). Refreshed daily.
Sofia (SOF) → Helsinki (HEL)
- August 2026 $107
- September 2026 $133
- October 2026 $142
- July 2026 $332
Frequently asked questions
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What is the cheapest month to fly from Sofia to Helsinki?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Sofia (SOF) to Helsinki (HEL), with fares starting from $107.
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What is the lowest current fare from SOF to HEL?
The lowest currently-listed fare from Sofia (SOF) to Helsinki (HEL) is $107 on 2026-08-24.
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Is there a direct flight from Sofia to Helsinki?
There is currently no non-stop service from SOF to HEL. Most travellers connect through a hub airport. See our route page for current stopover options.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.