Can I bring scissors on a plane?

Last checked: July 2026 — sourced against TSA “What Can I Bring?” and FAA PackSafe. Rules change; re-verify before you fly.

The verdict, in one line

Scissors are allowed in your carry-on only if the blades are shorter than 4 inches, measured from the pivot point. Anything longer must go in your checked bag — where scissors of any size are fine, as long as they are sheathed or wrapped. The one thing to get right: TSA measures from the pivot (the screw where the blades cross), not the whole tool.

Where TSA draws the line: 4 inches from the pivot

TSA’s rule is specific, and the specificity is the whole game. Its “What Can I Bring?” entry for scissors says they are permitted in carry-on bags “if they are less than 4 inches from the pivot point.” The pivot point is the fastener — the little screw or rivet — where the two blades meet and rotate. TSA measures from that point to the tip of the blade, not the full length of the scissors from handle to tip.

That distinction matters, because a pair of scissors can be 7 or 8 inches long overall and still pass, as long as the blade section past the pivot is under 4 inches. A tape measure or ruler settles it before you leave home.

Scissor type	Blade from pivot	Carry-on	Checked
Small nail / cuticle scissors	Under 4 in	Yes	Yes
Travel / craft scissors	Under 4 in	Yes	Yes
Sewing / embroidery scissors	Usually under 4 in	Usually yes	Yes
Kitchen shears, fabric shears, hair shears	4 in or more	No — check them	Yes

How to measure yours (30 seconds)

Open the scissors. Find the screw or rivet where the blades cross. Put the end of a ruler right on that point and measure to the tip of the blade. If it reads 3 ¾ inches or less, you are clear for carry-on. If it is right at 4 inches or over, pack them in your checked bag and save yourself the checkpoint conversation.

Most household “safety” scissors, small sewing scissors, and folding travel scissors sit comfortably under the line. Kitchen shears, dressmaking shears, and professional hair-cutting shears almost always cross it.

Packing scissors in checked baggage

Checked baggage has no length limit for scissors, but TSA does ask that “any sharp objects in checked bags should be sheathed or securely wrapped to prevent injury to baggage handlers and inspectors.” That is not a suggestion you want to skip — a bag inspector reaching in blind should not meet an open blade.

Slide the scissors into their original sheath, a blade guard, or a fold of stiff cardboard taped shut. Point the tips into the bag, not toward a zipper. This is the same standard that applies to knives, box cutters, and most bladed tools.

The airline & international layer

The 4-inch rule is a TSA standard, so it applies at US airport checkpoints regardless of which airline you fly — American, Delta, United, Southwest and the rest defer to TSA on cabin security screening. The airline doesn’t run a second scissors check.

International rules differ, and often they are stricter. The UK and EU generally allow scissors in the cabin only if the blades are under 6 cm (about 2.4 inches) from the pivot — a tighter limit than the US 4-inch (roughly 10 cm) standard. Several countries in Asia and the Middle East ban pointed scissors from the cabin entirely. If you are connecting or returning through a foreign airport, the return-leg screening follows that country’s rule, not TSA’s. When in doubt on an international trip, checked baggage is the safe home for any scissors.

And the universal caveat: even under the limit, the officer at the checkpoint has the final say. If a pair looks menacing, they can refuse it. That is rare for small scissors, but it is their call, not yours.

Related rules: Sharp objects & tools · Nail clippers · Tweezers · Razor