The Venetian and Palazzo in Las Vegas have a pretty good sale on right now that provides up to a 25% discount on the best flexible rate for stays of 2 or more nights. The offer also includes a $75 food and beverage credit per stay. Simply book by November 22, 2021 for stays right through to May 31, 2022. If you join their Grazie Rewards program you’ll receive an additional 5% off and the good news is this rate is cancellable/refundable.
Here’s an example of the pricing for two night stay in February: