Taking dry ice on a plane – frequently asked questions (and answers)
More and more travelers want to transport refrigerated products on air travel. Think of fish, meat, medicine, or chilled samples. Dry ice is ideal: it's -78.5°C cold and provides long-term cooling without electricity or liquid. But is dry ice allowed on a plane?
In this blog, we answer the most frequently asked questions about taking dry ice on a plane , including tips for safe use.
1. Can I take dry ice on the plane?
Yes, that's allowed – as long as you follow the rules. Most airlines and international aviation regulations (such as IATA and TSA) allow a maximum of 2.5 kg of dry ice per person, but check your airline's regulations.
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2. What are the requirements for taking dry ice?
✅ Maximum 2.5 kg per person
✅ Packaging must be ventilated – not airtight
✅ Label required : "Dry Ice" or "Carbon Dioxide, Solid", including weight
✅ Notify the airline in advance
Please note: Dry ice may only be used to cool non-living perishable goods , such as food or medical samples, and may vary by country, so please check your country's regulations carefully.
3. How should I pack dry ice for the flight?
Use an insulated box (such as EPS) with ventilation slots or a special dry ice box.
If necessary, wrap the dry ice in newspaper to slow the sublimation process. Ensure that the CO₂ gas can escape freely, otherwise pressure will build up. And label your luggage with the UN1845 label, following your airline's instructions.
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4. Do I need to report it to customs or security?
Yes. Please inform us at check-in that you are bringing dry ice. You often need to fill out a form or request prior approval from the airline.
You may also be asked for clarification at the security check, so keep the packaging clearly labelled and show your ticket.
5. How long does dry ice last in an airplane?
Dry ice sublimates (disappears) slowly. Expect 5 to 24 hours of active cooling , depending on:
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Amount of dry ice
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Packaging type
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How often the packaging is opened
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6. Can I pack dry ice in my hand luggage or checked baggage?
Both options are possible, but it depends on the airline. Most airlines prefer checked baggage for security reasons, but small amounts can also be taken as carry-on luggage if properly packed.
7. What are alternatives if dry ice is not allowed?
Dry ice is not permitted in some countries or flights. In that case, you can choose:
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Cooling elements (gel packs)
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PCM blocks (phase change materials)
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Or use a refrigerated shipping service via Iceworx
Conclusion
Taking dry ice on the plane is allowed , but pay attention to the rules:
| Rule | Explanation |
|---|---|
| Max. weight | 2.5 kg per person |
| Packaging | Ventilated and securely closed |
| Label | Dry Ice + weight |
| Notification | Always inform the airline in advance and check with each company what their rules are, as they are constantly changing. |
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Tags: dry ice airplane, dry ice flight regulations, dry ice hand luggage, refrigerated aviation transport, shipping samples, refrigerated packaging for airplanes, Iceworx, dry ice shop