兌換商務艙,盡管座位沒有區別,但商務艙 entitled 您可以使用 LHR 的快速通道通過安檢和出入境,以及任何航站樓的 BA 休息室和 T3 的所有 Oneworld 休息室,包括非常好的 CX, QF, even AA 休息室。Those extra Avios spent are WELL-WORTH it.
BA lounges are very large in size, multiple ones at each terminal. Food offerings are very decent - both hot and cold. Even during the busiest time of the day you would still be able to find a place to comfortably sit down.
Then depends on the length / time of the day of the flight, business class gets some type of meals served in flight. Often takes care of your need to find a place to eat upon arrival.
UR and AMEX often have 20 to 30% transfer bonus to BA. Use those offers which at least once to twice a year, to add value.