Cheapest return flights from Lisbon to Sofia in May from $165

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

Return flights

20 May - 23 May Ryanair
23 May - 31 May Vueling Airlines
30 May - 18 Jun Vueling Airlines
23 May - 25 May Vueling Airlines
03 May - 09 May Ryanair
21 May - 25 May Ryanair
21 May - 23 May Ryanair
29 May - 31 May Vueling Airlines
24 May - 31 May easyJet
21 May - 24 May Ryanair
06 May - 20 May SKY express
27 May - 17 Jun SKY express
31 May - 17 Jun SKY express

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

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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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