Navigating airport security with e-cigarettes requires strict adherence to aviation safety regulations. Here are the top 5 essential rules:
1. Carry-On Only Mandate
Lithium-ion batteries within e-cigarettes, vape pens, mods, and spare batteries must be placed in your carry-on luggage. Check them in hold luggage is universally prohibited due to fire risks.

2. Battery Handling & Protection
Prevent accidental activation or short circuits:
- Turn devices off completely.
- Place loose batteries in individual protective cases or original packaging.
- Keep terminals covered; do not allow batteries to contact metal objects like coins or keys.
3. Quantity Restrictions for Liquids
E-liquids, including nicotine-free vape juice, are subject to the 100ml/3.4oz liquids rule for carry-ons. All liquid containers must fit inside one transparent, resealable 1-liter capacity plastic bag.
4. Strictly No In-Flight Use or Charging
Using e-cigarettes or charging devices aboard the aircraft is explicitly banned. Tampering with smoke detectors in lavatories carries severe penalties.
5. Check Local Laws & Airline Policies
While security rules are relatively consistent internationally, destination laws vary significantly:
- Verify vape legality and nicotine restrictions at your destination country/state.
- Confirm specific airline rules for transporting e-cigarette devices and liquids (quantity limits may differ).