Cheapest return flights from Zurich to Sofia in May from 166€

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

Return flights

08 May - 11 May Air Serbia
22 May - 25 May Air Serbia
21 May - 27 May Air Serbia
19 May - 21 May Air Serbia
13 May - 16 May Air Serbia
14 May - 17 May Air Serbia
23 May - 25 May Air Serbia
25 May - 08 Jun Air Serbia
05 May - 10 May SWISS
13 May - 17 May Air Serbia
21 May - 27 May SWISS direct

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

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