How much does it cost to catch the Airport Express using Snapper? For the most up-to-date fares, please refer to the Metlink website. The following fare types are available: Adult Child (5–16 years, or still at secondary school) Accessible concession Community Connect concession Tertiary concession The Airport Express uses fixed-rate fares rather than zones. This means the fare is the same regardless of the distance travelled. There is no fare difference between peak and off-peak travel times. However, SuperGold card holders can still travel free during off-peak hours.