YES — Allowed in Carry-on Bags to United Kingdom
Empty water bottles are fully allowed in carry-ons. You can fill them up at water stations once you pass through the security checkpoint. Liquid-filled bottles are prohibited in carry-on.
Can you bring empty water bottle to United Kingdom?
Quick Answer
Yes — Empty Water Bottle is allowed when traveling to United Kingdom. Liquids must travel in a single transparent resealable bag. Empty water bottles are fully allowed in carry-ons. You can fill them up at water stations once you pass through the security checkpoint. Liquid-filled bottles are prohibited in carry-on.
Also known as: hydroflask, yeti, thermos
What is empty water bottle?
Yes — Empty Water Bottle is allowed in carry-on bags by TSA. You can fill them up at water stations once you pass through the security checkpoint. Liquid-filled bottles are prohibited in carry-on.
Allowed In Cabin
Empty water bottles are fully allowed in carry-ons. You can fill them up at water stations once you pass through the security checkpoint. Liquid-filled bottles are prohibited in carry-on.
Allowed In Hold
Empty water bottles are fully allowed in carry-ons. You can fill them up at water stations once you pass through the security checkpoint. Liquid-filled bottles are prohibited in carry-on.
Airline & country baggage checker
Pick your airline or destination to see the limits that apply to Empty Water Bottle.
United Kingdom Customs & Border Protection Policy
Authority: DFT
Liquids must travel in a single transparent resealable bag. When flying internationally, you must comply not only with U.S. TSA regulations but also with the aviation security rules of your destination country and any transit hubs. For empty water bottle, policies can vary significantly in regions like the European Union (governed by EASA) or the United Kingdom (CAA). Some countries impose stricter volume limits on liquids, absolute bans on specific electronics, or rigorous customs declarations for items in the Liquids category. Always check the official customs and aviation authority website of your arrival country before packing this item.
Airport Security & Customs Screening Procedure
When passing through the TSA checkpoint with empty water bottle, place your travel-sized container (3.4 oz / 100 mL or less) inside a clear, quart-sized plastic bag. If standard 2D X-ray machines are operating at your lane, extract the quart bag and lay it flat in a screening bin. At airports equipped with modern 3D CT computed tomography scanners, you may leave your liquids inside your bag unless instructed otherwise by Transportation Security Officers. Medical liquids or baby nourishment exceeding 3.4 oz must be declared immediately prior to screening for manual inspection or explosive trace detection (ETD) testing.
Step-by-Step Packing Guide for United Kingdom Travel
Verify your container holds 3.4 oz (100 ml) or less. Larger bottles of empty water bottle must travel in checked luggage unless purchased airside at a duty-free outlet.
Seal the empty water bottle cap tightly to prevent leaks caused by cabin pressure changes, then place it inside a clear, resealable 1-quart plastic bag.
Pack the sealed bag in an outer pocket of your carry-on for fast, one-hand retrieval at the TSA liquids checkpoint.
At the security lane, remove the clear liquids bag from your carry-on and lay it flat in a screening tray on its own.
If travelling internationally, check the destination country's import limits on volumetric liquids or spirits before boarding.
Frequently Asked Questions
Verified travel information
This document has been reviewed and verified by our travel reference editors. All statuses, notes and guidelines are checked against live security feeds from the TSA (Transportation Security Administration), FAA (Federal Aviation Administration) and CBP (Customs and Border Protection).