1. Join frequent flyer programme, e.g/ Skywards to earn Air miles for free upgrades or promotions.
2. Choose less popular flight times
3. Try arriving late or early, targeting any no shows from the business class
4. Aim to travel on low seasons
5. Travel solo or a group check-in
6. Have a random reasons (comment below if you have a good one)
7. Dress well and look happy, talk to gate staffs.
8. Ask around
9. .....
10. .......
Credit to: http://www.momondo.co.uk/inspiration/top-10-tips-get-free-flight-upgrade/?utm_source=facebook&utm_medium=social-paid&utm_campaign=LAB%7COld0003%7Ctravelclass-upgrade&source=disp-Facebook-General.blog-promo#jdtSYjUoS5XMZRWF.97
