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

Return flights

11 Jul - 25 Jul	Wizz Air
29 Jul - 05 Aug	Ryanair
18 Jul - 02 Aug	easyJet
15 Jul - 19 Jul	Vueling Airlines
25 Jul - 03 Aug	Wizz Air
11 Jul - 25 Jul	Bulgaria Air	direct
29 Jul - 05 Aug	Bulgaria Air	direct
31 Jul - 09 Aug	Ryanair
31 Jul - 31 Jul	Ryanair
01 Jul - 15 Jul	SKY express
01 Jul - 22 Jul	SKY express
29 Jul - 19 Aug	SKY express
08 Jul - 29 Jul	SKY express
08 Jul - 15 Jul	SKY express
05 Jul - 15 Jul	SKY express
08 Jul - 22 Jul	SKY express
22 Jul - 05 Aug	SKY express

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 $229

Return flights