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

Return flights

22 Jul - 29 Jul	Ryanair
23 Jul - 05 Aug	Transavia France
22 Jul - 25 Jul	easyJet
23 Jul - 25 Jul	Ryanair
25 Jul - 28 Jul	Wizz Air Malta
23 Jul - 28 Jul	Wizz Air Malta
22 Jul - 05 Aug	easyJet
30 Jul - 01 Aug	Ryanair
19 Jul - 29 Jul	Ryanair
23 Jul - 07 Aug	Transavia France
23 Jul - 04 Aug	Transavia France
23 Jul - 20 Aug	Wizz Air Malta
23 Jul - 30 Jul	Transavia France
30 Jul - 27 Aug	Ryanair
22 Jul - 06 Aug	easyJet
23 Jul - 13 Aug	Transavia France
23 Jul - 26 Jul	Ryanair
29 Jul - 06 Aug	Ryanair
25 Jul - 27 Jul	Wizz Air Malta
19 Jul - 22 Jul	Ryanair

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

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 Lisbon to Sofia in July from 252€

Return flights