TSA-approved locks use a standardized keying or combination system that lets airport security officers open and re-lock checked bags during inspection without cutting the lock off — a detail that matters because non-TSA locks can legally be cut by security if they need to inspect a bag. The picks below cover combination and cable-style locks at a few different price points. Buying tip: combination locks with a resettable code are generally more practical than keyed locks for luggage, since there’s no physical key to lose on a trip.
Forge TSA Combination Lock (Open Alert)
Forge’s lock includes a red “open alert” indicator that visibly pops up if a TSA officer opens the lock during a bag inspection, so travelers can tell at a glance whether their bag was searched without needing to notice subtler signs. It uses a resettable 3-digit combination and a durable metal body designed to hold up to repeated travel handling.
It’s a strong pick for travelers who specifically want visual confirmation of inspections, and it’s consistently ranked among the better-selling TSA lock options. The open-alert mechanism is a small but genuinely useful feature that basic locks don’t include.
SURE LOCK TSA-Approved Cable Lock
SURE LOCK’s cable lock uses a flexible steel cable instead of a rigid shackle, which makes it usable on zipper pulls, backpacks, and bags where a standard padlock shape wouldn’t fit well. It’s been a consistent top seller in the luggage lock category for years, with a 3-digit resettable combination.
It’s a practical, budget-friendly pick for securing zipper-style luggage or bags, and the cable format adds flexibility that solid-shackle locks don’t offer. It’s less suited to hard-shell cases with locking points designed for a rigid shackle.
Puroma TSA-Approved 4-Digit Combination Lock (2-Pack)
Puroma’s locks come in a 2-pack, which is useful for travelers who want to lock both zipper pulls on a single bag or secure two separate bags on the same trip. The 4-digit combination offers more code combinations than 3-digit locks, and the resettable dial lets travelers choose a memorable code.
It’s a good value pick for anyone needing more than one lock without buying two separate single-packs, and the 4-digit code adds a modest security step up from 3-digit combination locks. Build quality is targeted at everyday travel use rather than heavy-duty security.
Master Lock TSA-Approved Luggage Lock
Master Lock brings a long-established reputation in the general lock industry to the travel category, offering a solid-metal-body TSA-approved lock as a straightforward, no-frills option. It’s generally one of the more affordable choices from a recognized lock brand rather than a travel-specific newcomer.
It’s a sensible pick for travelers who’d rather buy from a familiar, long-standing lock brand than a travel-accessory-specific company, especially if they already trust Master Lock’s padlocks for other uses like gym lockers or sheds.
Buying Tips
All TSA-approved locks display a small red diamond logo indicating they comply with the Travel Sentry program that airport security recognizes; locks without this marking can be cut off during inspection rather than opened and relocked. For checked bags passing through multiple countries, it’s worth noting that not every country’s security agency honors the TSA program the same way the U.S. does, so a lock is a deterrent against casual tampering more than a guarantee against inspection.
For a feature that doubles as peace of mind, the Forge lock’s open-alert indicator is hard to beat. SURE LOCK’s cable design is the more flexible choice for zipper-style bags, Puroma’s 2-pack is the practical pick for securing more than one point, and Master Lock suits anyone who prefers buying from an established lock brand.
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