Cheapest return flights from Zurich to Sofia in May from $183

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

Return flights

06 May - 08 May Vueling Airlines
16 May - 23 May Air Serbia
07 May - 12 May Air Serbia
14 May - 18 May Air Serbia
30 May - 06 Jun Air Serbia
25 May - 06 Jun Air Serbia
29 May - 31 May Air Serbia
12 May - 31 May Air Serbia
24 May - 31 May Air Serbia
25 May - 07 Jun Air Serbia
04 May - 06 May Air Serbia
09 May - 11 May Air Serbia
15 May - 17 May Air Serbia
30 May - 06 Jun SWISS direct

Also check the deals for one-way flights from Zurich 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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