Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Sygic Travel Maps - Itinerary planner for independent travelers
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.
TRAVO - Instantly create end-to-end trips around your events.
Momondo - Find cheap flights with Momondo.
Tripsy - Planning your trip has gotten much easier.