A free app for Android, by AirTickets Avia.

Cheap Flights Online is the most reliable and convenient service for purchasing air tickets. You don’t have to spend a lot of time or effort searching for the best air ticket prices. Just open the app, enter the details of your journey and choose the best option. You can make a booking through the service in a matter of minutes.

You will receive a notification on your phone when a ticket is available. After that, you will be redirected to the website of the airline that provides its services.