From now until 31 Jul 2018, book your stays with Kaligo using your Citi Prestige card and earn 12 mpd. This promotion is only valid for stays from now until 31 Dec 2018, and booked through this dedicated link.
You’ll receive your miles within 4 to 6 weeks following the completion of your stay. Full terms and conditions can be found here.
This promotion earns you more miles per dollar spent, but it may not offer you the best deals out there. You can still take advantage of the ongoing Apple Pay 8 mpd promotion with Expedia, or the 9 mpd Agoda promotion, all with Citibank credit cards, which I have written about here.