HotelTonight Escape - The best getaway deals for tonight (or the weekend)
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
MakCorps - Hotel Price Comparison API
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.
Hopper - Hopper is the #1 most downloaded travel app in North America! We aspire to be the world’s best — and most fun — place to book travel.
Momondo - Find cheap flights with Momondo.