Cheapest return flights from Lisbon to Sofia in September from $185

AirHint found the following cheapest return flights from Lisbon (LIS) to Sofia (SOF) in September 2026 (see full year).

Return flights

28 Sep - 12 Oct Iberia
18 Sep - 23 Sep Ryanair
17 Sep - 22 Sep Ryanair
07 Sep - 14 Sep Iberia
07 Sep - 13 Sep Iberia
16 Sep - 21 Sep easyJet
09 Sep - 12 Sep Iberia
11 Sep - 14 Sep Iberia
05 Sep - 09 Sep Wizz Air
02 Sep - 05 Sep TAP
06 Sep - 23 Sep SKY express
16 Sep - 07 Oct SKY express

Also check the deals for one-way flights from Lisbon to Sofia in September.

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