"Kayak.com, often styled as KAYAK, is a holiday company and metasearch engine owned as well as run by Reservation Holdings. The firm additionally runs travel internet search engine checkfelix, Mundi, Hotels Combined, and swoodoo.

Kayak's site and mobile apps are currently readily available in over 18 languages and also greater than 30 countries, including the USA, the United Kingdom, India, China, France, Germany, Italy, Spain, Russia, Switzerland, Norway, Sweden, Finland, the Netherlands, Australia, Ireland, Mexico, New Zealand, Belgium, Hong Kong, Taiwan, Korea, Japan, and Singapore."