Perth is in the same time zone as Singapore, Hong Kong, Kuala Lumpur and Taipei.
Most international airlines fly to Perth with the following flight times and time differences:
| From | Flight time (in hours) | Time difference (in hours) |
|---|---|---|
| Bangkok | 6.5 | -1 |
| Berlin | 21 | (Mar-Oct) -6 (Oct-Mar) -7 |
| Chennai | 9 | -2.5 |
| Dubai | 10.25 | -2.5 |
| Frankfurt | 17.3 | (Mar-Oct) -6 (Oct-Mar) -7 |
| Hong Kong | 7 | same time zone |
| Jakarta | 4.5 | -1 |
| Johannesburg | 9.05 | -6 |
| Kuala Lumpur | 5.4 | same time zone |
| London | 18.1 | (Mar-Oct) -6 (Oct-Mar) -7 |
| Los Angeles | 17.3 | (Apr-Oct) -15 (Oct-Apr) -16 |
| Mumbai | 11.55 | -2.5 |
| New York | 22.3 | (Apr-Oct) -12 (Oct-Apr) -13 |
| Paris | 20 | (Mar-Oct) -6 (Oct-Mar) -7 |
| Seoul | 11 | 1 |
| Singapore | 5 | same time zone |
| Stockholm | 22 | (Mar-Oct) -6 (Oct-Mar) -7 |
| Taipei | 8.5 | same time zone |
| Tokyo | 9.5 | 1 |