Cheap flights from Helsinki to Sofia
Cheapest current fares: $68 in May 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Helsinki (HEL) to Sofia (SOF). Refreshed daily.
Helsinki (HEL) → Sofia (SOF)
- May 2026 $68
- August 2026 $87
- October 2026 $98
- July 2026 $107
- June 2026 $122
- September 2026 $155
Frequently asked questions
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What is the cheapest month to fly from Helsinki to Sofia?
Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Helsinki (HEL) to Sofia (SOF), with fares starting from $68.
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What is the lowest current fare from HEL to SOF?
The lowest currently-listed fare from Helsinki (HEL) to Sofia (SOF) is $68 on 2026-05-28.
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Is there a direct flight from Helsinki to Sofia?
There is currently no non-stop service from HEL to SOF. 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.