Cheapest return flights from Zurich to Sofia in September from $197

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

Return flights

24 Sep - 28 Sep Air Serbia
02 Sep - 09 Sep Air Serbia
01 Sep - 08 Sep SWISS direct
23 Sep - 27 Sep Air Serbia
03 Sep - 06 Sep Air Serbia
17 Sep - 20 Sep Air Serbia
02 Sep - 06 Sep Air Serbia
17 Sep - 17 Sep SWISS
24 Sep - 28 Sep SWISS direct
02 Sep - 09 Sep SWISS direct

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

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