Cheapest return flights from Lisbon to Sofia in September from 174€

Best time to book flights for Lisbon (LIS) to Sofia (SOF) flights at AirHint

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

Return flights

20 Sep - 28 Sep Transavia France
20 Sep - 27 Sep TAP
23 Sep - 30 Sep Ryanair
24 Sep - 01 Oct Ryanair
27 Sep - 29 Sep Ryanair
04 Sep - 09 Sep Vueling Airlines
14 Sep - 26 Sep easyJet
04 Sep - 07 Sep Vueling Airlines
03 Sep - 08 Sep Lufthansa
01 Sep - 07 Sep Wizz Air Malta
03 Sep - 06 Sep Lufthansa

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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