Cheapest one-way flights from Porto to Sofia in September from $72

AirHint found the following cheapest one-way flights from Porto (OPO) to Sofia (SOF) in September 2026 (see full year).

One-Way flights

17 Sep easyJet
13 Sep Ryanair
20 Sep Iberia
10 Sep easyJet
06 Sep Iberia
07 Sep TAP
06 Sep Bulgaria Air direct
17 Sep Bulgaria Air direct
13 Sep Bulgaria Air direct
20 Sep Bulgaria Air direct

Also check the deals for return flights from Porto to Sofia in September.

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