Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Service - Customer service issues solved for you, on demand, for free.
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.
AirHelp - Get paid when you're delayed!
Momondo - Find cheap flights with Momondo.
CashBackAir Bot - Chatbot gets compensations in case of a flight delay