Metasearch engines collect data from various travel providers, such as airlines, hotels, and car rental companies, and present it in a single, easy-to-compare format.

Vacation rental search engines are typically not considered metasearch engines, as they focus on a specific type of accommodation.

Metasearch engines offer convenience, time-saving, and access to a wider range of travel options by aggregating information from multiple sources in one place.

Google Flights is widely recognized for its extensive flight search capabilities, including flexible date search, price tracking, and detailed flight information.

Kayak is a comprehensive metasearch engine that covers flights, hotels, car rentals, and vacation packages.

Skyscanner is often praised for its user-friendly interface, clean design, and intuitive search options that make it easy to find the best travel deals.

Kiwi.com's unique feature is its ability to combine flights from different airlines and create a single itinerary, often at a lower cost than booking each flight separately.

Hipmunk is known for its visual flight search interface, which displays flight options in a calendar format, making it easy to compare prices and find the best deals.

Hopper primarily focuses on flight search and provides features such as price tracking and fare predictions to help users find the best deals on airfare.

Trivago is a leading hotel metasearch engine that allows users to compare prices and availability from a wide range of hotel booking sites.

Booking.com allows users to book hotel accommodations directly through its platform, eliminating the need to visit individual hotel websites.

Airbnb is a leading vacation rental metasearch engine that connects travelers with hosts offering unique accommodations worldwide.

Vrbo primarily focuses on vacation rental search and provides a wide range of options for travelers seeking unique and comfortable accommodations.

Rentalcars.com is a leading car rental metasearch engine that allows users to compare prices and availability from a wide range of car rental companies.

Auto Europe allows users to book car rentals directly through its platform, eliminating the need to visit individual car rental company websites.