11/21 前预订，11/7~4/30飞
进或出LHR/LGW，附加税费没减半。
同时促销卖点，50%回馈，还是很贵
舱等是"World" Traveller, "World" Traveller Plus, Club "World"
所以短程没有
https://www.britishairways.com/en-gb/executive-club/offers/reward-flight-offer
For a limited time only, you can use 50% fewer Avios to explore the world.
Simply book a reward flight in our economy (World Traveller)
or premium economy (World Traveller Plus) cabins before 21 November 2019,
for travel between 7 November 2019 and 30 April 2020.
Alternatively, for a more premium experience, you can fly in our business
(Club World) or First cabins, for 10% fewer Avios.
If you don’t have enough for your chosen destination, you can purchase
or gift Avios here and you’ll get an extra 50% Avios.
Here are some inspiring places your Avios could take you:
https://i.imgur.com/LkWYAgi.png

应该是11/21前吧那个税有够贵

只开去程去伦敦就很便宜！