"Kayak.com, sometimes styled as KAYAK, is a travel agency and metasearch engine had and operated by Booking Holdings. The company likewise runs travel internet search engine checkfelix, Mundi, Hotels Combined, as well as swoodoo.

Kayak's site as well as mobile apps are presently available in over 18 languages and also more than 30 nations, consisting of the USA, the UK, 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 also Singapore."