機票是旅程最大的開支之一，所以長途旅行在機票上省得就省。
Airtickets are one of the highest expenses in the trips and we should save as much as possible for lonf journey.
每當我想預訂在其他國家的國內航班，價格很高，而當我身在這些國家中，找旅行社代購，價值就會大幅下跌，而沒有任何解釋。
When I try to reserve other countries' domestic flight, price is high comparing to those offered by local travel agencies when I was physically in those countries.
在航空公司的網站上，要買南美便宜機票，使用以下不同的方法可省錢 －
從不同國家銷售的機票，價格會因匯率、不同推廣而出現差異。尤其當其中一個航點是航空公司所在的國家。
You may try the followings to save when purchasing at the airline website -
There are different promotions and currency exchange rate that caused differences in different countries where the air tickets are sold. Especially when one of the flyover points are where the airline headquarter located.
從以上的Santiago － Rio、Bogota －Quito的例子;改變航空公司網站的國家和語言,折扣從幾元到幾百元。也可在購物網站如Skyscanner、Expedia上，用這個方法試找更便宜的機票。
The above example in video with Santiago - Rio, Bogota - Quito, have discount of a few dollars to a few hundred dollars. This also works in travel website like Skyscanner and Expedia.