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

Return flights

19 Jul - 22 Jul	SKY express
18 Jul - 30 Jul	Vueling Airlines
08 Jul - 18 Jul	Ryanair
01 Jul - 22 Jul	SKY express
10 Jul - 18 Jul	Ryanair
15 Jul - 25 Jul	Vueling Airlines
11 Jul - 18 Jul	easyJet
08 Jul - 15 Jul	Ryanair
07 Jul - 14 Jul	Ryanair
08 Jul - 19 Jul	Wizz Air Malta
29 Jul - 12 Aug	SKY express
24 Jul - 14 Aug	TAP
19 Jul - 05 Aug	SKY express
26 Jul - 15 Aug	Vueling Airlines
25 Jul - 15 Aug	Ryanair
29 Jul - 05 Aug	SKY express
29 Jul - 19 Aug	SKY express
15 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 171€

Return flights