Perth Airport liquid rules: 100 ml limit
Flying from Perth? The verdict, the airport's own wording and its source link are below. Checked 11 October 2026 against the airport's own website. Same rules for hand luggage and carry-on.
Perth applies the Australian rule on international flights: liquids, aerosols and gels in containers of 100 ml or 100 g or less, in a 20 cm x 20 cm zip lock bag. Domestic flights have no limit.
| Liquid container limit | 100 ml limit |
| Clear plastic bag needed | Yes |
| Liquids can stay in your bag | Not stated |
| Laptops can stay in your bag | Not stated |
What this means at Perth Airport
- Airport states: liquid, aerosol or gel items must be in containers of 100ml/100gm or less, placed in a 20cm x 20cm zip lock bag.
- Flights within Australia are not subject to restrictions on how much liquid, aerosols and gels you can carry onboard.
- The restrictions apply to your carry-on baggage on flights in and out of Australia, including duty free; they do not apply to checked baggage.
- Inorganic powders (for example salt, sand, talcum powder) must be in containers of 350ml/350gm or less, 350ml/350gm per person in total.
- Organic powders (for example food, powdered baby formula, coffee, sugar) are not restricted but must be separated from the rest of your carry-on for X-ray screening.
- The page we read does not say whether liquids can stay in your bag or laptops can stay in your bag.
Source: Powders, liquids, aerosols & gels | Perth Airport. Checked 11 October 2026.
Security rules are set by the airport, but your bag size is set by your airline. Check your bag against every airline here.
Frequently asked questions
What are the liquid rules at Perth Airport?
On international flights, containers of 100 ml or 100 g or less in a 20 cm x 20 cm zip lock bag. Domestic flights within Australia have no limit.
What are the liquid rules at Perth Airport?
Perth applies the Australian rule on international flights: liquids, aerosols and gels in containers of 100 ml or 100 g or less, in a 20 cm x 20 cm zip lock bag. Domestic flights have no limit.
Are liquid rules the same at my destination airport?
Not always. Rules vary by airport, so check your destination and any connecting airports, including your return journey (GOV.UK).