Agnostic when it comes to your hotel chain? Deal sites should be your go-to, and bundling hotel, flights, and cars will save you big. "On Priceline, the average traveller saves $240 per transaction when booking a bundle," shares Devon Nagle, Head of Communications for the bargain travel site. "Then you can use the money you save towards nice restaurants, day trips, and other attractions that elevate that luxury experience."