Can I Bring Small Compressed Gas Cartridges on a Plane to United Kingdom?
Small Compressed Gas Cartridges
Not Allowed
Prohibited in both
According to CAA guidelines, prohibited everywhere unless empty and visibly open. Empty cylinders must have regulator valve completely removed so TSA can visually confirm empty. Personal medical oxygen cylinders are handled separately.
The final decision rests with the CAA officer on whether an item is allowed through the checkpoint. Official CAA Rules →
Quick Rule
Carry-on Bag
Strictly prohibited
Checked Bag
Strictly prohibited
CAA Notice
Confiscated at security
Source: Official CAA Regulations ↗Updated: May 20, 2026
Also known as
CO2 cartridgegas cartridgecompressed gas cylinderair cartridgesoda maker cartridge
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