Quick Answer
❌ No. TSA prohibits box cutters in carry-on luggage due to security risks.
✅ Box cutters are only allowed in checked luggage.
✅ Replacement blades are also banned from carry-on but permitted in checked bags.
Details
- Carry-on:
- Box cutters and their blades are banned.
- TSA makes no exceptions, even for small folding utility knives.
- Checked luggage:
- Box cutters, utility knives, and replacement blades are allowed.
- Must be securely wrapped to protect baggage handlers.
- Special note:
- This rule has been strict since the 9/11 hijackings, which involved box cutters.
- TSA enforces a zero-tolerance policy for them in cabins.
TSA Box Cutter Rules Summary
| Item Type | Carry-On | Checked |
|---|---|---|
| Box cutter (any size) | ❌ Not allowed | ✅ Allowed |
| Utility knife | ❌ Not allowed | ✅ Allowed |
| Replacement razor blades | ❌ Not allowed | ✅ Allowed |
Gotchas / Common Issues
- ✈️ No size exceptions: Even tiny utility cutters are banned in carry-on.
- ✈️ Blade packaging: Wrap replacement blades securely in checked bags.
- ✈️ International rules: Nearly all countries follow the same strict ban on box cutters in cabins.
- ✈️ Confiscation risk: TSA will confiscate and discard box cutters at security checkpoints.