The full rules for flying with a vape from the UK

Flying with a vape is straightforward when you know the rules. The UK Civil Aviation Authority sets the framework. Individual airlines apply slightly different limits within that framework. The core rule has not changed for several years and applies whether you fly British Airways, easyJet, Ryanair, Jet2, TUI, Wizz Air or any international carrier.

1. Hand luggage only, never the hold

Vapes contain lithium-ion batteries. Damaged or short-circuited lithium batteries can enter thermal runaway and ignite. In the cabin a fire can be tackled by crew within seconds. In the cargo hold no one can reach it. The CAA and IATA both prohibit lithium-ion devices from checked baggage. The rule applies to every device type: disposables, pod kits, mods and starter kits. If your hand luggage is gate-checked because the overhead bins are full you must remove the vape and carry it on your person.

2. Device must be switched off

Not sleep mode. Properly off. Many devices have a 5-click power lock. Engage it. Draw-activated disposables that cannot be switched off should be sealed in a small bag with the mouthpiece protected so they cannot fire accidentally. Spare batteries (not inside a device) must be in protective plastic cases. Loose 18650 cells touching keys or coins is the most common cause of in-flight battery incidents.

3. E-liquid follows the 100 ml liquid rule

Every bottle must be 100 ml or less. All containers go inside one clear resealable bag presented separately at security. UK TPD-compliant nicotine bottles are 10 ml so several fit in the same bag. Shortfill 100 ml bottles fit but only one or two with other toiletries. Larger bottles (above 100 ml) can go in checked luggage because e-liquid itself is not a battery risk. Empty tanks and pods before flying because cabin pressure forces air to expand which pushes liquid through airflow holes. Either fill the tank to the top or empty it completely.

4. Vaping on board is illegal

This is aviation law, not just airline policy. Every UK flight has it explicitly stated in pre-flight safety announcements. Aircraft toilets have sensitive vape detectors fitted as standard since the late 2010s. Being caught vaping on board can result in: fixed penalty fines, removal from the flight on landing, criminal prosecution under the Civil Aviation Act and permanent bans from the airline. The risk-reward is poor. Use a nicotine pouch or patch for cravings during the flight.

5. UK airline policy variations

British Airways allows up to 15 lithium-battery devices in hand luggage with spare batteries individually protected (max 4 spares). easyJet permits vapes in cabin bags with no specific count limit but reserves the right to refuse excessive quantities. Ryanair permits up to 20 disposables and 15 PEDs and up to 20 spare lithium batteries (max 100 Wh each). Jet2 classifies vapes and spare batteries as dangerous goods which must travel in cabin baggage only. TUI requires devices switched off and protected against accidental activation. Always check your specific carrier's website for the latest rules before flying.

If you are about to fly and still using disposables it might be the right moment to switch. Reusable pod kits have a fixed device with replaceable pods and bottled e-liquid. Cleaner. Cheaper over time. Future-proof. Our full reusable kit range covers compact pod kits ideal for travel from Vaporesso, OXVA, Smok and Geekvape with full UK warranty.

For more on travel rules including hand luggage specifics, suitcase rules and airport security walkthroughs head over to our full vaping guides hub where every travel question is covered in plain English.