Electronic cigarettes (or e-cigarettes) and e-cigarette accessories
Carry On Baggage:
Yes (<100ml)
Checked Baggage:
Check with carrier
Liquid to refill an electronic cigarette is permitted in quantities of 100ml (3.4 oz.) or less.
These items do not need to be removed from cases or bags in order to be screened and are permitted in carry-on. Check with your air carrier regarding any other restrictions.