Received an email about this (possibly targeted? But link is available to anyone…):
From now until 31 December 2017, you’ll receive 10% off participating hotels when you book using your American Express® Card on Expedia.
Booking Period: Now until 31 December 2017
Stay Period: Now until 31 March 2018
Just go to expedia.com.au/amex and enter the first six digits of your American Express Card to get your unique coupon code
Redemption Period: Now until 11:59pm AEST, 31 December 2017.
Stay Period: Now until 31 March 2018 (inclusive).
• Visit Expedia.com.au/amex to generate your unique code. The coupon code may be applied to stand-alone hotel only bookings (not a hotel booking in combination with any other product such as flight + hotel or flight + hotel + car) of a participating hotel made on Expedia’s Australian website: www.expedia.com.au. The coupon code can only be used for bookings that are prepaid at the time of booking and cannot be redeemed against bookings which are paid at the destination.
• The coupon code cannot be redeemed against hotel stays at: Accor, Amara Singapore, Amari, Aston Resorts, Barcelo, Carlson, Choice, Choice Nordic, Corinthia Hotels, Dusit hotels, Emaar Hospitality Group, Fortune Hotels, Four Seasons, Furama, Hilton Worldwide, Hotel 81, Hotusa, HV Hotels, IHG, Independent, Kempinski Hotels & Resorts, La Quinta, Langham Hotels, Leela Group, Mandarin Oriental Hotel Group, Marriott, Melia Hotels International, Meritus, Millennium, Movenpick Hotels & Resorts, NH Hotels, Omni, One&Only Resorts, Onyx Hospitality Group, Pan Pacific Hotels & Resorts, Raffles Intl Hotels and Resorts, Red Roof Inn, RIU Hotels, Rosewood Hotels, Sandals Resorts, Scandic Hotels Chain, Shangri-La Hotels and Resorts, Six Senses Resorts & Spas, Starwood, Swiss Quality Hotels, Swissotel, Taj Hotels, Resorts & Palaces, The Peninsula Group, Thon Hotels, Universal Orlando Resort, Vincci, Wyndham Worldwide. Participating hotels for qualifying bookings is subject to change.
• The coupon code entitles you to 10% off the price of the relevant hotel reservation before the application of any taxes, applicable fees or additional costs.
• The coupon code cannot be redeemed against taxes, supplier fees, cancellation or change fees/penalties, administrative fees or other miscellaneous charges, which are the sole responsibility of the customer.
• Unique code can only be used one time, for additional bookings Card Member must generate a new code. This offer applies to ‘Room 1’ only in multi-room bookings.
• The coupon code may not be used or combined with other coupons, promotions or special offers.
• The coupon code cannot be used for any booking previously made. It will be deemed fully redeemed once a qualifying booking has been made. The coupon code has no cash value and no refunds or cash alternative will be offered. There is no residual value and no credit will be issued if the purchase amount is less than the coupon code discount. The coupon code is one time use and may not be re-used, even in the event that you change or cancel the booking.
• Expedia booking terms and conditions apply.
• Fulfilment of the offer is the sole responsibility of Expedia Inc.
• For full offer Terms and Conditions click here.
They also have the same deal with masterCard (which gives 10% off) too