Can You Bring Knives on a Plane? (TSA & Airline Rules — 2025)

Quick Answer
❌ No. TSA prohibits all knives in carry-on luggage, regardless of blade length or type.
✅ Knives are only allowed in checked bags, including kitchen knives, hunting knives, and pocket knives.
⚠️ The only exception: round-bladed butter knives and plastic cutlery are permitted in carry-on.


Details

  • Carry-on:
  • No knives of any kind are allowed, including pocket knives, multitool blades, and small folding knives.
  • TSA does allow round-bladed butter knives and disposable plastic knives.
  • Checked luggage:
  • Any type of knife is allowed, including chef’s knives, hunting knives, and utility knives.
  • Must be sheathed or securely wrapped to prevent injury to baggage handlers.
  • Special knives:
  • Throwing knives, daggers, switchblades, and large hunting knives must go in checked luggage.
  • Box cutters and razor blades (outside a razor handle) are also banned in carry-on.

TSA Knife Rules Summary

Knife TypeCarry-OnChecked
Pocket knife / Swiss Army❌ Not allowed✅ Allowed
Folding knife❌ Not allowed✅ Allowed
Kitchen / chef knife❌ Not allowed✅ Allowed
Hunting / combat knife❌ Not allowed✅ Allowed
Butter knife (round-bladed)✅ Allowed✅ Allowed
Plastic cutlery✅ Allowed✅ Allowed

Gotchas / Common Issues

  • ✈️ Even small knives banned: No exceptions for blade length in carry-on.
  • ✈️ Multitools with blades: If your multitool has any knife blade, it must go in checked.
  • ✈️ International flights: Knife bans in cabins are nearly universal worldwide.
  • ✈️ Checked luggage risk: Wrap knives securely to avoid damage or injury.

Sources