
https://hk.trip.com/flights/Booking/729359a3548c2eb2b7267f1a1c4f6650?flighttype=OW&DCity=HKG&ACity=LON&DDate=2019-06-04&Quantity=1&ChildQty=0&BabyQty=0
但係巴里島經香港飛倫敦只需$4912

https://hk.trip.com/flights/Booking/a9cfc6d41d99114906aa65ce8ab6ac49?flighttype=OW&DCity=DPS&ACity=LON&DDate=2019-06-04&Quantity=1&ChildQty=0&BabyQty=0
兩個選擇,香港去英國都係坐英航同一班機
但係前者巴里飛香港多左一程機,反而仲平
有無人知點解?