Take KLIA Ekspres - the fastest airport transfer in Kuala Lumpur. With this FREE KLIA Ekspres mobile app, your journey will be even quicker and simpler! Receive a QR barcode ticket when purchasing with your KLIA Ekspres app. Scan it at the gate or save for your future travel. No hassle, no need to print your e-ticket. The e-ticket is valid for 1 month upon purchase.