Quick rules for flying with water bottle in carry-on and checked baggage. Verdicts and conditions across the major aviation regions below.
🇺🇸 United States (TSA)
Carry-on
With limits
Checked bag
Yes
Must be empty going through security. You can refill it past the checkpoint. Frozen-solid water is sometimes allowed but often confiscated.
Also known as: water
⚠️ Airline rules vary and change frequently. This page summarises common guidance — always confirm with your specific airline before flying, especially for international travel.