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

Return flights

07 Oct - 11 Oct	Wizz Air
15 Oct - 22 Oct	Wizz Air
11 Oct - 15 Oct	Ryanair
11 Oct - 18 Oct	Wizz Air
25 Oct - 31 Oct	Wizz Air
13 Oct - 15 Oct	Ryanair
15 Oct - 18 Oct	Wizz Air
25 Oct - 01 Nov	Wizz Air
06 Oct - 11 Oct	Wizz Air
29 Oct - 01 Nov	Wizz Air
08 Oct - 11 Oct	Wizz Air
08 Oct - 15 Oct	Ryanair
27 Oct - 12 Nov	Wizz Air
31 Oct - 05 Nov	Wizz Air
25 Oct - 02 Nov	Wizz Air

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

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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Cheapest return flights from Sofia to Lisbon in October from 115€

Return flights