Cheapest return LIS–SOF flights, May

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

Return flights

12 May - 19 May Ryanair
13 May - 20 May Vueling Airlines
13 May - 18 May Vueling Airlines
27 May - 01 Jun Vueling Airlines
20 May - 27 May Vueling Airlines
06 May - 11 May Wizz Air
19 May - 27 May Ryanair
06 May - 09 Jun Wizz Air
06 May - 10 Jun Wizz Air
16 May - 26 May Ryanair
16 May - 20 May Vueling Airlines
19 May - 26 May Ryanair
30 May - 03 Jun Ryanair
18 May - 25 May Ryanair
06 May - 14 Jun Wizz Air
06 May - 11 Jun Wizz Air
06 May - 13 Jun Wizz Air
06 May - 12 Jun Wizz Air
09 May - 17 Jun Vueling Airlines
04 May - 10 Jun Ryanair

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

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