In case you want to visit Indonesia.....Not quite as good as Garuda's 90% off in 2016, but good anyway. Citi ThankYou points transfer 1:1.
30% off bookings for 1 person
50% off bookings for 2 ppl
70% off bookings for 3 ppl
For one person, enter the promo code: BURNOW when booking. For two, or three people, enter HAPPYM when booking.
For travel January 1st, 2019 – March 31st, 2019. Must book online by November 30th, 2018.
If you'd book for 3 ppl, some sample deals from gstp:
16,200 one way business between Bali and Australia.
18,000 one way business between Jakarta and Australia.
27,000 one way business between Europe & Jakarta.
27,000 one way first class between Bali or Jakarta and Tokyo
https://www.godsavethepoints.com/2018/10/28/luxury-travel-points-opportunity-garuda-2018/