Source check recorded
Houston Hobby liquid rules: At Houston Hobby, liquids must be 100ml or smaller
- →Containers up to 100ml only
- →All liquids in one clear quart-sized resealable bag
- →Follow staff instructions on removing liquids
Houston · United States · IATA HOU · ICAO KHOU
At security
- Liquids up to 100ml per container
- Taking liquids out depends on the lane — follow officer instructions
- Liquids must be in one clear quart-sized resealable bag
- TSA lists medications and infant/child nourishment as exemptions to the 3.4oz (100ml) limit — tell the officer; they may need extra screening.
- Duty-free liquids over 3.4oz (100ml) are allowed only on international journeys connecting in the US, in the retailer's sealed tamper-evident bag with the receipt (bought within 48 hours), and must still pass screening.
- Rules may differ at your destination airport
Max liquid
100 ml
Plastic bag
Required
Remove at security
Follow officer instructions
Source check recorded
18 Oct 2026
Source
TSA
At HOU · the three rule systems
Security · Airline · Border
Security
Will this pass the checkpoint?
LimitedHouston Hobby: containers up to 100ml (exceptions: TSA lists medications and infant/child nourishment as exemptions to the 3.4oz (100ml) limit — tell the officer; they may need extra screening.).
Source: TSA
Airline
Can this travel in cabin or checked baggage?
Airline-dependentYour airline's cabin-bag size and weight limits still apply on top of security rules.
Border
Can you bring this into the destination country?
UnknownCustoms and import rules depend on where you land and what you carry — this airport page doesn't cover them.
Three separate rule systems · Any one can stop your item
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.
CBD and cannabis warning
CBD, cannabis oils, hemp products, THC vapes and edibles may be illegal or heavily restricted here, even if they are legal where you bought them.
See all return warningsMore about Houston Hobby
Common "can I take…" questions
Related liquid-rule guides
Deeper reading for travellers flying from Houston.
Official sources cited where available; dates shown only for recorded checks.
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.