How to pay for your fare To pay for your bus or train fare, you can use an Opal card, a contactless card or device, or obtain an Opal single ticket. Grownup fares apply if you employ contactless card or unit. You can get Adult and Little one/Youth Opal cards, https://sydney-airport-transporta18293.cosmicwiki.com/1062238/5_tips_about_sydney_airport_pickup_and_drop_off_you_can_use_today