Cheapest return flights from Ljubljana to Sofia in May from $163

Best time to book flights for Ljubljana (LJU) to Sofia (SOF) flights at AirHint

AirHint found the following cheapest return flights from Ljubljana (LJU) to Sofia (SOF) in May 2025 (see full year).

Return flights

14 May - 17 May Air Serbia
24 May - 31 May Air Serbia
25 May - 31 May Air Serbia
11 May - 13 May Air Serbia
16 May - 18 May Air Serbia
30 May - 02 Jun Air Serbia
29 May - 02 Jun Air Serbia
29 May - 04 Jun Air Serbia
12 May - 15 May Air Serbia
19 May - 22 May Air Serbia
13 May - 15 May LOT
20 May - 21 May LOT
09 May - 09 May Norwegian Air Sweden AOC

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

Skyscanner

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.

Book a cheap hotel in Sofia

Cheap car rent in Sofia