Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
JetHop - Discover your next vacation without needing a destination!
Kiwi.com - Find and book the best low-cost flights all around the world
Travelistly for Android - Reddit for travel content, now on Android
App in the Air - The perfect companion for everyone taking a flight.
Blade - Helicopter ride sharing