Based on airport-operator guidance
Terminal
All terminals
At Porto Francisco Sa Carneiro, liquids must be 100ml or smaller
- →Containers up to 100ml only
- →All liquids in one 1-litre clear bag
- →Bigger bottles go in checked luggage
Porto Airport liquid rules (OPO) — 2026 hand luggage guide
Porto · Portugal · IATA OPO · ICAO LPPR
Before you fly home: check what you're bringing back
Some liquids are fine through airport security but restricted by customs, biosecurity, alcohol duty, medicine rules or destination law.
Check return restrictionsPorto Airport liquid rules — FAQs (2026)
What are the liquid restrictions at Porto Airport in 2026?
Porto Airport (OPO) currently applies the EU 100ml hand luggage liquid restriction, with all containers inside one 1-litre clear resealable bag. ANA Aeroportos de Portugal publishes this in its security guidance.
Does Porto Airport have a 100ml liquid rule?
Yes. Porto Airport enforces the standard 100ml-per-container liquid rule in hand luggage. Larger bottles must travel in checked baggage.
What is the hand luggage liquid allowance at Porto Airport?
Up to 100ml per container, with all containers fitting inside one transparent resealable bag of roughly 1 litre, one bag per passenger.
Can I take bottles over 100ml through Porto Airport security?
Not in hand luggage. Containers over 100ml are normally removed at OPO security. Decant into 100ml travel bottles, check the item, or buy after security.
Are there any Porto Airport liquid restrictions on duty-free?
Duty-free liquids bought airside at Porto can travel in cabin if they're sealed in a tamper-evident bag (STEB) with the receipt visible. If you connect through another airport, the transfer airport's rules apply.
More Portugal airport liquid rules
More about Porto Francisco Sa Carneiro
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Deeper reading for travellers flying from Porto.
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Got a specific item or liquid? Check it for your route →Liquid Limits is a travel planning tool, not an official aviation source. Always check official airport or aviation security guidance before travel.