The cheapest flight to Sofia you can get by boooking 55 days before departure.
The most popular airlines on the route Zürich - Sofia: Bulgaria Air (FB), Swiss (LX), Air Serbia (JU).
The cheapest flights you can book on the route Kloten (ZRH) - Sofia Airport (SOF).
Direct flights last about 2h 0min.
Direct flights available 6 days a week - Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
Direct flights: Bulgaria Air (FB), Swiss (LX), Air Berlin (AB).
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