Quick rules for flying with dry ice in carry-on and checked baggage. Verdicts and conditions across the major aviation regions below.
🇺🇸 United States (TSA)
Carry-on
With limits
Checked bag
With limits
Maximum 5.5 lbs (2.5 kg) per passenger, in either bag, in packaging that allows CO2 to vent. Airline must be notified in advance for checked.
⚠️ Airline rules vary and change frequently. This page summarises common guidance — always confirm with your specific airline before flying, especially for international travel.