Cheap flights from Sofia to Porto
Cheapest current fares: $56 in September 2026, 2,642 km direct flight in ~3h 6m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Sofia (SOF) to Porto (OPO). Refreshed daily.
Sofia (SOF) → Porto (OPO)
- September 2026 $56
- October 2026 $63
- November 2026 $93
- August 2026 $126
Frequently asked questions
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What is the cheapest month to fly from Sofia to Porto?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Sofia (SOF) to Porto (OPO), with fares starting from $56.
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What is the lowest current fare from SOF to OPO?
The lowest currently-listed fare from Sofia (SOF) to Porto (OPO) is $56 on 2026-09-15.
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How long is the flight from Sofia to Porto?
Direct flights from SOF to OPO cover approximately 2,642 km (1,642 miles), with an estimated flight time of 3h 6m. Operating airlines: FB.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.