Cheapest return flights from Zurich to Sofia in September from 154€

AirHint found the following cheapest return flights from Zurich (ZRH) to Sofia (SOF) in September 2025 (see full year).

Return flights

29 Sep - 03 Oct easyJet
14 Sep - 28 Sep Eurowings
15 Sep - 18 Sep easyJet
16 Sep - 19 Sep easyJet
09 Sep - 30 Sep easyJet
14 Sep - 19 Sep easyJet
20 Sep - 30 Sep Air Serbia
04 Sep - 08 Sep SWISS direct
09 Sep - 16 Sep Air Serbia
20 Sep - 27 Sep Air Serbia
08 Sep - 13 Sep SWISS
13 Sep - 18 Oct Air Serbia
13 Sep - 18 Oct SWISS direct

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

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.

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