Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
KDE Itinerary - Digital travel assistant with a priority on protecting your privacy
Kiwi.com - Find and book the best low-cost flights all around the world
Onward Ticket - Onward Ticket is a web and mobile platform that enables individuals to package travel into single itineraries.
App in the Air - The perfect companion for everyone taking a flight.
Trip38 - Check-in for any airline & all travel itineraries in one app