Sydney Kingsford Smith Airport liquids and security rules
Flying from Sydney? Here is what Sydney Kingsford Smith Airport states about liquids and electronics in hand luggage.
100 ml limit
For international flights each liquid, aerosol or gel container must be 100 ml or less in one transparent resealable bag, but Sydney says you can leave them inside your carry-on when departing. Laptops and tablets must still be taken out and placed in a tray.
| Liquid container limit | 100 ml limit |
| Clear plastic bag needed | Yes |
| Liquids can stay in your bag | Yes |
| Laptops can stay in your bag | No |
What this means at Sydney Kingsford Smith Airport
- Airport states: you do not need to remove liquids, aerosols and/or gel items from your bag when departing; they may stay in your carry-on luggage.
- Airport states: laptops and tablets must be taken out of their bag and placed in the tray provided at the security screening point.
- Flights within Australia are not subject to powder, liquid, aerosol and gel restrictions, but domestic flights departing Terminal 1 International are.
- The Department of Home Affairs sets the detail: each container 100 ml or 100 g or less, all containers fitting in one transparent resealable bag whose four sealed sides add up to no more than 80 cm, one bag per passenger (https://www.homeaffairs.gov.au/about-us/what-we-do/travelsecure/security-screening-at-airports/what-you-can-and-cant-bring).
- Exemptions apply for medicines, medical products, medical devices and baby products needed during the journey.
- A reasonable quantity of inorganic powder, liquid, aerosol or gel items for a baby or infant is allowed on international flights; there is no quantity limit on organic powders such as powdered baby formula.
- Inorganic powders must be in containers of 350 ml or 350 g or less, 350 ml or 350 g per person in total.
- Duty-free liquids must stay in the sealed tamper-evident bag they were bought in, with proof of purchase.
Source: Security screening - Sydney Airport. Checked 20 September 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
Can I take liquids over 100 ml through Sydney Kingsford Smith Airport?
No. Containers must be 100 ml or smaller.
Do I need a clear plastic bag at Sydney Kingsford Smith Airport?
Yes, liquids must go in a clear resealable bag.