Flight search compared · 2026
Google Flights vs Kayak
Both are search engines: neither sells you the ticket, so the price you book is the airline's or agency's, and you can check both for free.
Verified Oct 17, 2026By Steven MoHow we check Report a correction
Quick verdict
Both are search engines: neither sells you the ticket, so the price you book is the airline's or agency's, and you can check both for free. Use Google Flights for fast, clean searches and the most reliable price tracking; use Kayak for comparing travel agencies and finding mixed-airline Hacker Fares.
- Google Flights
- Metasearch. Best for fast, clean searches and the most reliable price tracking.
- Kayak
- Metasearch. Best for comparing travel agencies and finding mixed-airline hacker fares.
Side by side
| Google Flights | Kayak | |
|---|---|---|
| Where you book | Search engine: you book with the airline or a travel agency; some airlines can be booked without leaving Google | Search engine: links you to the airline or a travel agency to book, with some bookings on Kayak itself |
| Price alerts | Price tracking by email for exact dates or "any dates" (Google account needed) | Price Alerts by email or app when a tracked search goes up or down |
| Price predictions | Price insights: whether today's price is low, typical or high for the route, with price history | Price Forecast: a buy-now-or-wait signal from historical prices |
| Flexible dates | Date grid and price graph show the cheapest days at a glance | Flexible dates and price calendars |
| Explore by destination | Explore map shows prices to many destinations from your airport | Explore map for destination ideas within a budget |
| Price freeze and protection | No paid price freeze or cancellation add-ons; a price guarantee has been tested on some U.S. itineraries | No paid price freeze; Hacker Fares combine one-way tickets on different airlines, each a separate contract |
| Fees and rewards | No booking fees from Google | No booking fees from Kayak when you book through a partner |
Watch out for
Google Flights
Not every airline or agency is listed, so double-check the airline's own site.
Kayak
Hacker Fares are separate tickets: if one flight changes, the other airline doesn't have to help.
Whichever you use, add the bags you'll actually bring before comparing prices: our bag fee calculator and carry-on checker cover most airlines.
FAQ
Both are search engines: neither sells you the ticket, so the price you book is the airline's or agency's, and you can check both for free. Use Google Flights for fast, clean searches and the most reliable price tracking; use Kayak for comparing travel agencies and finding mixed-airline Hacker Fares.
More comparisons
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Sources
Last verified Oct 17, 2026. Features change often; check each site for the current version.
Read how we collect and check this data, or tell us if something's out of date.
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