Under the US FAA passenger guidance, dry ice used to pack perishables is limited to 2.5 kg (5.5 lb) per package and per passenger, and airline approval is required. The packaging must release CO₂ gas. This passenger allowance is separate from the requirements for commercial cargo.
Confirm the allowance with the airline
Use FAA PackSafe: dry ice in passenger baggage as the US starting point. Ask the airline before travel whether it accepts the intended contents, container, amount and baggage arrangement. Check every operating airline on an itinerary with connections.
Do not assume acceptance because another airline carried a similar cooler, or because a package fits a cabin size limit. International itineraries also require checks for destination and transit restrictions on the contents.
Keep passenger requirements separate from cargo
| Situation | What to verify |
|---|---|
| Passenger baggage | Airline approval, the passenger/package limit, suitable gas release and relevant baggage markings. |
| Commercial shipment | The operator’s cargo acceptance process and dangerous-goods requirements for the shipment. |
| Contents with their own restrictions | Whether the product itself changes what may be carried or shipped. |
| Connecting itinerary | Acceptance by each operating carrier and any transit or destination requirements. |
An air waybill checklist for freight does not define the passenger baggage allowance. Conversely, staying within a passenger limit is not a general approval to send commercial cargo. Do not copy cargo labels or paperwork without identifying the correct transport category.
Prepare the baggage package
For checked baggage, FAA guidance specifies a dry-ice or carbon-dioxide-solid marking and the net amount, or an indication that the amount is within 2.5 kg (5.5 lb). The package must not be airtight.
- Choose a container whose manufacturer permits the intended dry-ice use.
- Confirm the actual amount being offered to the airline.
- Preserve the gas-release arrangement when closing or protecting the container.
- Prepare any markings and declaration the airline requests.
- Keep the airline acceptance information accessible at check-in.
Check the product and the journey separately
Airline permission does not establish that the product will remain at its required temperature. Define the travel exposure from packing through arrival and receipt, including airport waits and missed connections. Use a suitable tested packing arrangement when temperature control matters.
Helpful decision tools
Check the details before you choose packaging
These quick tools can help you compare route risk, sizing needs, coolant choices, and packaging details before you request a quote.
Insulation Material Drop Resistance
Review drop resistance and handling factors before choosing insulation materials.
Check resistanceCompliance Checklist Generator
Build a practical checklist for packaging review, shipping, and documentation.
Build checklistDry Ice Calculator
Estimate dry ice needs for frozen or ultra-cold shipments before packing.
Estimate dry iceDo not use dry ice simply because an item needs refrigeration. Freeze-sensitive contents may be damaged by exposure that is too cold. Confirm the actual product instructions and the container’s intended application.
Plan receipt and handling with the destination. A cooler that is acceptable at departure still needs suitable handling after arrival. If the contents require regulated transport controls, use the responsible organization’s approved procedure.
Frequently asked questions
Is 5.5 lb an automatic airline approval?
No. FAA guidance also requires airline approval; the carrier must accept the intended package and contents.
Can each of my bags contain the full allowance?
Do not multiply the allowance by the number of bags. The FAA guidance states a limit per package and per passenger.
Does this article approve international cargo?
No. It explains the US passenger starting point. Confirm the rules for the actual itinerary and shipping category.
If you are booking freight instead
Begin with the dry ice shipment marking guide and the operator’s current acceptance requirements. Keep passenger baggage planning and commercial freight planning as separate decisions.
