The short answer: Travel with a hard case, a backup pair in your current prescription, and a small cleaning kit. Keep glasses in your carry-on, never checked luggage, and never leave them on a hot car dashboard, which warps frames. Prescription sunglasses double as a spare and a shade. For active trips, a retainer strap saves a lost pair.

What to pack

• A hard case for the pair you are not wearing, so nothing crushes them in a bag.
• A backup pair in your current prescription. A lost or broken pair can ruin a trip; a spare rescues it.
• A microfiber cloth and a small spray or a few individually wrapped lens wipes.
• Prescription sunglasses if you have them, doubling as both shade and a second spare.
• A retainer strap for beaches, boats, hiking, or anything active.

See why a backup pair is worth it.

Protect them in transit

Two things ruin glasses on the road: heat and crushing. A closed car in the sun gets hot enough to warp acetate frames and loosen lenses, so never leave glasses on the dashboard or in a parked car. In a bag, a soft pouch is fine against scratches but will not stop a crush, so use a hard case when they are loose among other items. A hard case is the single best travel upgrade; see hard vs soft cases.

Flights and security

Keep your glasses and your spare in your carry-on, not checked baggage, where bags get thrown and can go missing. You can wear your glasses straight through airport security; there is no need to remove them. Cabin air is dry, which can bother contact-lens wearers more than glasses, so a flight is a good time to give your eyes a break and wear your glasses instead.

Sunglasses for the trip

If you are heading somewhere bright, prescription sunglasses earn their place: you get UV protection, glare control, and a backup pair in one. Confirm they are UV400. For water and snow trips, polarized lenses cut the harsh reflected glare; see polarized vs non-polarized. Store them in their own hard case so the pairs do not scratch each other; see how to store sunglasses.

From our test bench. The travel failure we hear about most is heat, not impact: glasses left on a dashboard come back with a frame that no longer sits straight, because warm acetate relaxes out of shape. The fix is a habit, not a product. Glasses go in a hard case in your bag the moment they leave your face, never on the dash, never loose in a hot car.

FAQ

Should glasses go in carry-on or checked luggage?

Carry-on, always. Checked bags get thrown and can be lost or delayed. Keep both your main pair and your spare with you in the cabin.

Can I wear glasses through airport security?

Yes. You can keep your glasses on through the security checkpoint; there is no need to remove them.

How do I protect glasses while traveling?

Use a hard case whenever they are off your face, keep them in your carry-on, and never leave them on a hot dashboard or in a parked car, where heat can warp the frame.

Part of The Eyewear Care Manual · Related: hard vs soft cases · Shop travel cases · Last updated: August 5, 2026