Cheapest return flights from Lisbon to Sofia in September from 133€

AirHint found the following cheapest return flights from Lisbon (LIS) to Sofia (SOF) in September 2025 (see full year).

Return flights

24 Sep - 01 Oct Ryanair
24 Sep - 27 Sep Ryanair
28 Sep - 04 Oct Ryanair
17 Sep - 24 Sep Ryanair
16 Sep - 23 Sep TAP
29 Sep - 01 Oct Wizz Air Malta
15 Sep - 24 Sep Wizz Air
03 Sep - 23 Sep Vueling Airlines
28 Sep - 05 Oct Ryanair
16 Sep - 18 Sep TAP
17 Sep - 22 Sep Ryanair
13 Sep - 17 Sep TAP
09 Sep - 14 Sep TAP
15 Sep - 18 Sep Wizz Air Malta

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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