Quick Facts
Airlines
1,100+
Price Alerts
Yes
Flexible Dates
Yes
Multi-city
Yes
Booking Type
redirect
Our Ratings
Search Quality
9.0
Price Accuracy
8.4
Value
8.7
Ease of Use
8.8
Overall
8.7
Pros and Cons
Advantages
- Hacker fares combine one-way flights from different airlines for savings
- Price forecast predicts fare trends using historical data
- Comprehensive search across hundreds of airlines and OTAs
- Explore map shows cheapest destinations from your airport
Drawbacks
- Hacker fare bookings require managing two separate reservations
- Some displayed prices change at checkout on third-party sites
Summary
Kayak is a powerful flight meta-search engine that compares fares across hundreds of airlines and booking sites. The Hacker Fares feature combines one-way tickets from different airlines for lower total costs. The price forecast tool predicts whether fares will rise or fall on your route.
Search Quality
Kayak flight search is comprehensive and well-designed. Results from hundreds of sources are presented in a clean layout with sorting by price, duration, and stops. The Hacker Fares tab shows combinations of one-way tickets that cost less than any round-trip option. Filters are extensive and include baggage inclusion, seat class, and alliance.
Pricing
Price accuracy is good but the redirect model means some fares change between Kayak and the booking site. The price forecast feature analyzes historical data for your route and recommends whether to book now or wait. In our testing, the forecast was directionally correct about 70% of the time.
Features
The Explore feature shows cheapest fares from your airport on an interactive map. Multi-city search handles complex itineraries. Price alerts track routes and send notifications for fare changes. The Trips feature organizes flight confirmations from your email automatically.
Ease of Use
Kayak interface is clean and fast with intuitive navigation. The results page is well-organized with key details visible at a glance. Mobile app performance matches the desktop experience. The Hacker Fares tab is clearly separated from standard fares to avoid confusion.
Support
Kayak does not handle bookings directly, so support is limited to platform issues. Booking problems must be resolved with the airline or OTA. The help center covers search, alerts, and account questions. For a meta-search tool, this is standard.
Final Verdict
Kayak is a top-tier flight search tool with the unique advantage of Hacker Fares. The price forecast adds strategic value for flexible travelers. It is best used alongside Google Flights, with Kayak catching savings through its hacker fare combinations that Google does not offer.