Qlopedia

Travel search engine, flights, hotels, rental cars, vacation packages, metasearch, price comparison, trip planning, Booking Holdings, and travel discovery tools

KAYAK

KAYAK is a travel search website and app where people compare flights, hotels, rental cars, vacation packages, and travel prices from many providers before booking with a partner site.

Core service
KAYAK is a travel metasearch engine that compares flights, hotels, rental cars, and vacation packages across many travel sites.
Booking model
KAYAK says users usually search on KAYAK but book directly with the airline, hotel, rental car company, online travel agency, or other provider.
Parent company
KAYAK is owned by Booking Holdings, which acquired the company in 2013.
KAYAK is a travel metasearch website for comparing flights, hotels, rental cars, vacation packages, and provider prices.View image on original site

What KAYAK is

KAYAK is a travel search website and mobile app for comparing trip options. On KAYAK, people search flights, hotels, rental cars, and vacation packages, then compare prices, times, providers, routes, amenities, filters, and booking choices in one place.

How metasearch works

KAYAK is closer to a search engine than a traditional travel agency. It scans results from airlines, hotels, car rental companies, online travel agencies, and other travel sites, then presents those options side by side. When a user chooses an option, KAYAK usually sends them to the provider or partner site to finish the booking.

Booking with partners

The difference between searching and booking matters. KAYAK can help a traveler discover a fare or hotel rate, but payment, ticketing, cancellation rules, refunds, and support may belong to the provider the traveler chooses. Some results may offer a book-on-KAYAK path, but the underlying travel provider still matters for the final terms.

Part of Booking Holdings

KAYAK is part of Booking Holdings, the travel company behind brands such as Booking.com, Priceline, Agoda, KAYAK, and OpenTable. KAYAK also manages travel search brands including momondo, Cheapflights, HotelsCombined, SWOODOO, checkfelix, and Mundi.

Tools beyond search

KAYAK adds planning tools around the search results. Travelers can use filters, price alerts, flexible-date views, route comparisons, trip management, app-only deals, travel guides, and other discovery tools to narrow choices before leaving for a partner booking page.

Why it matters

Travel metasearch changed how people compare trips. Instead of checking each airline, hotel site, and agency one by one, travelers can use a single interface to scan a broader market. That convenience can save time, but it also makes ranking, sponsored results, filters, and provider reliability important parts of the decision.

Limits and tradeoffs

KAYAK can make comparison easier, but it does not control every price, policy, or supplier experience. Travel prices can change quickly, some providers may not participate in every search, and the cheapest option may have stricter baggage, refund, or support terms. Users still need to read the final booking page carefully.

WHOIS domain data

Data pulled: May 19, 2026View current WHOIS record

Domain
kayak.com
IP address
151.101.65.29
Registrar
101domain GRS Limited
WHOIS server
whois.101domain.com
Referral URL
http://101domain.com
Created
April 13, 1995
Updated
May 7, 2026
Expires
May 2, 2027
Nameservers
blue.foundationdns.com (108.162.198.1); blue.foundationdns.net (172.64.40.31); blue.foundationdns.org (172.64.40.61)
Domain status
clientDeleteProhibited; clientTransferProhibited; serverDeleteProhibited; serverTransferProhibited; serverUpdateProhibited
Contact organization
Registrant, admin, and technical contacts are listed as Kayak Software Corporation in Concord, Massachusetts, United States.