飞行的 FB971 索非亚机场（索非亚） – 瓦尔纳机场（瓦尔纳）由Bul Air 5%次：周一, 周二, 期三, 期四, 期五。
航班時間是50分钟。
回程航班： FB972, FB974, FB978, IZ901,
所有航班索非亚 — 瓦尔纳
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