There are currently several bonus promotions for buying points and miles that can make saving money on your next flight, hotel stay or other travel expenses easier.

Right now, you can buy points from Hyatt, Southwest, Virgin Atlantic and others with up to a 90% bonus. Here’s when it might make sense to buy miles with a bonus.

The brand’s summer promotion allows rewards members to receive 3,000 bonus points after completing one qualified stay at a Wyndham property from now through Sept. 7.