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Can you bring a pocket knife on a plane?

In general, you are prohibited from traveling with sharp objects in your carry-on baggage; please pack these items in your checked baggage. For more prohibited items, please go to the 'What Can I Bring?' page.



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TSA in the US allows knives with blades that are 2.36 inches (6 cm) or less in length in carry-on baggage, but any knife with a fixed blade or locking mechanism is prohibited. UK airports do not allow knives with a blade longer than 6 cm in carry-on baggage.

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TSA rules are clear, knives of any size or kind are not allowed to be carried on planes. The only way you're getting it on is in a checked bag, or if the agents miss it during screening.

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TSA rules are clear, knives of any size or kind are not allowed to be carried on planes. The only way you're getting it on is in a checked bag, or if the agents miss it during screening.

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TSA regulations and a variety of laws prohibit all knives in carry-on luggage or on your person. Knives are allowed in checked luggage. Be sure to secure the blades of folders and sheathes on fixed blades. If you are carrying expensive knives, consider a padded case or a knife roll.

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TSA used to allows knives with blades that are 2.36 inches (6 cm) or less in length in carry-on. However, that is a thing of the past. Now they ban all knives in hand luggage and on your body. You can only check them in.

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Please, note that following the UK governmental guidelines it is essential to declare knives in checked luggage as well as in hand luggage. It will ensure the security of the flight and will help travellers avoid paying any fine.

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The TSA requires you to declare firearms, large quantities of medications, and other items, but not sharp objects. However, we would advise that you voluntarily declare knives at the check-in desk, especially if you're flying internationally.

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Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.

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In general, you are prohibited from traveling with sharp objects in your carry-on bags. Multi-tools (multipurpose tools) with knives of any length are prohibited. Please pack these items in your checked bags. Multi-tools (multipurpose tools) with scissors less than 4 inches may be placed in carry-on bags.

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Checked Bags: Yes Except for plastic or round bladed butter knives. Any sharp objects in checked bags should be sheathed or securely wrapped to prevent injury to baggage handlers and inspectors. For more prohibited items, please go to the 'What Can I Bring?'

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No, you cannot bring a Swiss Army Knife on a plane. A Swiss Army Knife, pocket knife, firearms, or any weapon must be placed in your checked baggage, and you must follow TSA guidelines for transporting weapons on a plane. As an EDC nut, I hate to travel without a knife.

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The bottom line: To play it safe, always fly with your Leatherman in checked baggage. Your Leatherman multi-tool has been by your side through lots of adventures and has helped you save the day. But for your upcoming plane trip, the best thing to do is to plan on putting it inside your checked baggage.

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