Can You Bring an Empty Metal Thermos on a Plane? TSA Rules Explained

Learn if you can bring an empty metal thermos on a plane and the TSA guidelines for carrying liquids during air travel.

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Yes, you can bring an empty metal thermos on a plane. Like water bottles, it must be empty during the security screening. After security, feel free to fill it with your beverage of choice from airport concessions or fountains.

FAQs & Answers

  1. Can I bring a filled thermos through airport security? No, thermoses must be empty during security screening. You can fill them up after passing through security.
  2. Are metal thermoses allowed in carry-on luggage? Yes, empty metal thermoses are allowed in carry-on bags but must be empty during the TSA screening process.
  3. Can I fill my thermos with water after airport security? Yes, once you've passed security, you can fill your metal thermos at airport water fountains or concession areas.
  4. Does TSA treat metal thermoses the same as water bottles? Yes, both must be empty during security screening and can be refilled after.