Houston George Bush Intercontinental Airport liquid rules: 100 ml limit
Flying from Houston? The verdict, the airport's own wording and its source link are below. Checked 6 November 2026 against the airport's own website. Same rules for hand luggage and carry-on.
The airport's security page describes the 3-1-1 liquids rule: a quart-sized bag with containers of 3.4 ounces (100 milliliters) or less. It does not say whether laptops stay in the 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 Houston George Bush Intercontinental Airport
- Airport states: "Guests are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint."
- Airport states: "These are limited to 3.4 ounces (100 milliliters) or less per item."
- Airport's own wording: "This is also known as the 3-1-1 liquids rule."
- Airport states that TSA Pre✓ is an expedited screening program and lists enrollment centre hours by terminal.
- Airport states that Terminal D has modified TSA checkpoint hours because only two airlines operate from it.
- Airport states that CLEAR is available in Terminal A North, Terminal C and Terminal E.
Source: IAH Security | TSA Wait Times & IAH Airport Security Updates. Checked 6 November 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 Houston George Bush Intercontinental Airport?
The airport's security page states that guests may bring a quart-sized bag of liquids, aerosols, gels, creams and pastes, with each item limited to 3.4 ounces (100 milliliters) or less. It calls this the 3-1-1 liquids rule.
Do I need a clear plastic bag for liquids at IAH?
The airport page refers to a quart-sized bag of liquids. It does not use the word clear.
Do I take my laptop out of my bag at IAH?
The airport page does not state this. Check with TSA before you travel.
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.