Hotwire is a popular online travel agency and travel deal aggregator that offers discounted rates on hotel rooms, rental cars, flights, and vacation packages. Launched in 2000 and now part of the Expedia Group, Hotwire is known for its Hot Rate deals, where customers can book travel services at significantly lower prices by allowing some details such as the exact hotel or rental car company to remain hidden until after booking.When it comes to travel, everyone loves a good deal. Whether you’re booking a last-minute hotel or planning a vacation months in advance, cutting costs without sacrificing quality is always a win.