Rules differ by region: IATA permits dry ice on aircraft but limits it to 2.5kg (5.5 lbs) per passenger in packaging that allows CO₂ to escape. Rules are consistent across all regions, but each airline must approve it — always confirm before you fly.
💼 Cabin bag
Depends
Permitted up to 2.5kg (5.5 lbs) per passenger. Must be in ventilated packaging that allows CO₂ to escape. Declare to airline. Not all airlines permit it — confirm in advance.
✈️ Hold (checked)
Depends
Permitted up to 2.5kg (5.5 lbs) per passenger. Ventilated packaging required. Must be declared and airline must approve. A hazardous materials label is typically applied.
💡 Tip: Dry ice releases CO₂ gas as it sublimates — it must be in packaging that allows ventilation. Always notify the airline at check-in. Most airlines require advance notice and will apply a label to the bag.
Airline-specific rules
🇺🇸American AirlinesMax 2.5kg (5.5lb) for perishables; packaging must allow CO₂ venting.
🇬🇧British AirwaysMax 2.5kg permitted with vented packaging.
🇺🇸DeltaUp to 2.5kg allowed for perishables; packaging must vent CO₂ and be approved.
🇩🇪LufthansaMax 2.5kg per passenger; must be in packaging that allows gas to escape.
🇦🇪EmiratesUp to 2.5kg for perishable goods; package must be vented and labelled as dry ice.
🇸🇬Singapore AirlinesMax 2.5kg per passenger; vented packaging required, labelled "dry ice" or "CO₂ solid".
Related items
Browse all Food →Based on official TSA guidelines. Rules vary by airline and route — always verify with your carrier before travel. · Rules last verified May 2026.
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