I had these pop as a banner in my Amex account this morning.
Could be helpful for someone.
Offers
Explore your backyard with Expedia. Spend $250 and get a $25 discount using coupon code AMEX25 at expedia.com.au/amex by 15/05/21, for stays completed by 31/01/22. Valid at participating hotels in Australia, for payments made using your eligible American Express Card. Exc, T&Cs apply. Book now.
Explore Australia with Wotif. Spend $250 and get a $25 discount using coupon code WOTIF25AMEX at wotif.com/amex by 15/05/21, for stays completed by 31/01/22. Valid at participating hotels in Australia, for payments made using your eligible American Express Card. Exc, T&Cs apply. Book now.
It goes through a site "associated" with AMEX for this offer. I would double check if the room rates quoted have not been jacked up (even just on the same booking site, not to mention against other competitors). Having said that, I am still hopeful that there are still chances of saving.