Porto Airport liquid rules: 100 ml limit
Flying from Porto? The verdict, the airport's own wording and its source link are below. Checked 10 October 2026 against the airport's own website. Same rules for hand luggage and carry-on.
Porto still applies the 100 ml rule: containers of up to 100 ml (or 100 g) in a single transparent resealable 20x20 cm bag, one per passenger. Liquids over 100 ml should go in your checked bag.
| 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 Porto Airport
- Airport's own wording: liquids must be "In containers with a maximum capacity of 100 ml (or 100 gr) per item, packaged in a single transparent 20x20-cm resealable bag (only one per passenger)."
- Airport states: "The golden rule is, therefore, to check in all liquid items over 100 ml."
- Liquid medications or special dietary products (including baby food: porridge, fruit jars, yoghurts and milk bottles) can travel outside the transparent bag or in quantities over 100 ml/100 g; a document or medical certificate is advisable.
- Medication in tablet or powder form is not subject to the same restrictions as liquids.
- Liquids bought at the airport's duty-free shops, after security or on board, are allowed in a sealed tamper-evident bag with the receipt.
- The airport notes that rules vary between airports and that it is upgrading its technology.
Source: Travelling with liquids | Porto Airport. Checked 10 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
Can I take liquids over 100 ml through Porto Airport?
No. Containers must be 100 ml (or 100 g) or smaller; pack larger liquids in your checked bag.
Do I need a clear plastic bag at Porto Airport?
Yes, liquids must go in a single transparent resealable 20x20 cm bag, one per passenger.
What are the liquid rules at Porto Airport?
Porto still applies the 100 ml rule: containers of up to 100 ml (or 100 g) in a single transparent resealable 20x20 cm bag, one per passenger. Liquids over 100 ml should go in your checked bag.
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).