Kayak Review

Kayak is one of the original travel metasearch engines, founded in 2004 and now owned by Booking Holdings. It searches over 900 airlines and travel agents to compare flight prices, and also extends its search to hotels, car rentals, and vacation packages. This makes it a convenient one-stop shop for comprehensive trip planning. The platform's signature feature is "Hacker Fares," which combine one-way tickets from two different airlines to create a cheaper round-trip itinerary than either airline offers on its own. This feature can produce significant savings, particularly on routes where one direction is heavily competed and the other is not. Kayak also offers a price forecast tool that analyzes historical data to recommend whether you should book now or wait. Kayak supports both direct booking and redirect models. For some flights, you can complete the booking directly on Kayak's platform, while others redirect you to the airline or a third-party agent. This hybrid approach gives users flexibility, though it can sometimes be confusing to determine where your booking is actually being processed.

Kayak's search engine pulls results from a wide range of sources, though it is not quite as comprehensive as Skyscanner's coverage. Results typically appear within 5-15 seconds, which is reasonable but noticeably slower than Google Flights. The search interface offers extensive filtering options including stops, airlines, departure times, flight duration, and even specific aircraft types. The Hacker Fares feature is a genuine differentiator. By splitting round-trip itineraries into two separate one-way tickets, Kayak can sometimes find combinations that are 10-30% cheaper than standard round-trip fares. However, this comes with caveats: if one airline changes or cancels your flight, the other airline has no obligation to accommodate you, and you may need to manage two separate bookings. The Explore feature shows a map of destinations with prices, similar to Google Flights' Explore map but with less polish. The flexible date search shows a calendar of prices across a month, helping you identify the cheapest travel dates. Kayak also integrates its flight search with hotel and car rental results, making it easy to estimate total trip costs.

Kayak is free to use for basic searches, and the majority of its features are accessible without creating an account. However, some features like saved searches and comprehensive price tracking require signing up. The platform generates revenue through both referral fees (when redirecting to other sites) and direct booking commissions. Price accuracy on Kayak is good but not outstanding. In our testing, about 85-90% of displayed prices matched the final booking price. The discrepancies were most common with third-party travel agent listings, where dynamic pricing and additional fees could change the total between the search and the checkout. Kayak-facilitated direct bookings had higher accuracy, typically matching the displayed price. The price forecast feature uses historical data and machine learning to predict whether fares for a specific route will rise or fall. It displays a confidence level for its recommendation, which adds transparency. In our experience, the predictions were helpful but not infallible, with roughly 70% accuracy on whether to book or wait. It is a useful data point for decision-making, but should not be the sole factor.

Kayak's feature set is one of the broadest among flight search engines. Beyond flights, the platform searches hotels, car rentals, and vacation packages, with results displayed in a unified interface. The "Trips" feature lets you save and organize your travel plans, including confirmation emails that are automatically parsed for itinerary details. The mobile app is feature-rich and well-designed, with push notifications for price alerts and the ability to track flights in real-time. The app also includes a "Price Check" tool that lets you scan a booking confirmation and verify whether you got a good deal compared to current market prices. Kayak's hotel search is particularly strong, with filters for amenities, neighborhoods, and user ratings. The car rental search integrates major rental companies and shows prices across different vehicle categories. For travelers planning multi-component trips, having all of these searches in one place saves significant time compared to visiting multiple specialized sites.

Kayak's interface is functional but can feel busy compared to the cleaner designs of Google Flights and Skyscanner. The homepage presents multiple search options (flights, hotels, cars, packages) along with promotional content and trending destinations. While this is useful for browsing, it can feel overwhelming for users who simply want to search for a specific flight. The search results page is well-organized with clear filtering and sorting options. However, the mix of direct booking options and redirect links can be confusing. Some listings show a "Book" button that completes the purchase on Kayak, while others show "View Deal" buttons that redirect to external sites. The distinction is not always immediately clear, which can lead to confusion about where your payment is being processed. On mobile, the app simplifies the experience effectively. The search flow is streamlined, and the results are presented in a scrollable list format that works well on smaller screens. The app's navigation is intuitive, and key features like price alerts and trip tracking are easily accessible from the main menu.

Kayak offers customer support for bookings made directly through its platform. If you booked a flight through Kayak's direct booking system, you can contact their support team via email or phone for assistance with changes, cancellations, or issues. Response times are generally reasonable, with most inquiries resolved within 24-48 hours. For bookings made through redirect partners, Kayak's support is limited. You will need to contact the airline or travel agent directly for any post-booking issues. Kayak does provide a help center with information about common scenarios and links to contact information for major airlines and travel agents. The help center itself is comprehensive, covering topics from basic search tips to complex booking scenarios. There is also a community section where users share tips and experiences. Overall, Kayak's support is above average for a metasearch engine, particularly for direct bookings, but the split between direct and redirect booking support can be a source of frustration.