Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
LoveSales - Find and save products you love, get alerted when they go on sale.
KAYAK - KAYAK is a travel search engine that searches hundreds of other travel sites at once. Our helpful tools & features find you the information you need to make the right decisions on flights, hotels, rental cars and vacation packages.
TrackIf - Alerts you if the price of your favorite products drop
Google Flights - Find cheap flights in seconds, explore destinations on a map, and sign up for fare alerts on Google Flights.
Giftwhale - Giftwhale allows you to create personalised wish lists online.