Travel portals are online platforms that allow users to search, compare, and book various travel services, such as flights, hotels, and car rentals. They aggregate information from multiple sources, making it easier for travelers to find the best deals and options for their trips. Popular travel portals include Expedia, Booking.com, and Kayak. These portals often provide additional features like user reviews, travel guides, and customer support. By using a travel portal, individuals can streamline their travel planning process and save time and money, ensuring a more enjoyable travel experience overall.