We’ve reported it at the time, and we’ll say it as again and again as is critical—the more demand, the upper the fare (even for first class). Hunting into alternate airports can drastically decrease fees, specially when traveling from or right into a smaller hub with fewer flights. . 來自 Cambridge https://businessflightshop.co.uk/blog/book-tickets-for-the-cheapest-business-class-flights-to-bali-for-a-vacation/