What is the best and economical way to travel from hongkong airport to Johnston suites at wanchai?

u may find airport shuttle bus line A21 near the airport. Take it to Luard Road, Hennessy Road and find the johnson suites in the south. It takes almost an hour and costs 40HKD. You can also use bus no. E21 or E21A and get off at the same bus top. You need to spend less - 21HKD, but it will take about 80min to arrive.