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

Return flights

02 Jul - 09 Jul	Ryanair
23 Jul - 30 Jul	Wizz Air Malta
02 Jul - 05 Jul	Ryanair
28 Jul - 01 Aug	Ryanair
19 Jul - 26 Jul	Wizz Air Malta
27 Jul - 01 Aug	easyJet
12 Jul - 19 Jul	Wizz Air Malta
13 Jul - 20 Jul	Ryanair
20 Jul - 26 Jul	Ryanair

Also check the deals for one-way flights from Porto 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 Porto to Sofia in July from 171€

Return flights