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

Learn if you can bring a Hydroflask on a plane and TSA guidelines for carrying reusable bottles through airport security.

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Yes, you can bring a Hydroflask on a plane. However, it must be empty when passing through airport security since liquids over 3.4 ounces (100 milliliters) are not allowed in carry-on baggage. Once you've cleared security, you can refill it at a water fountain or purchase a beverage to pour into your Hydroflask.

FAQs & Answers

  1. Can I carry a filled Hydroflask through airport security? No, TSA requires that all liquids be in containers of 3.4 ounces or less in carry-on baggage. Your Hydroflask must be empty when passing through security.
  2. Where can I refill my Hydroflask after security? You can refill your Hydroflask at airport water fountains or purchase beverages after clearing airport security.
  3. Are reusable bottles allowed in checked baggage? Yes, you can carry filled reusable bottles like Hydroflasks in checked luggage without liquid restrictions.

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