Understanding what you can and cannot pack in your Carry-on bag is important for a smooth trip. Airport security regulations are fairly strict, and incorrect packing can lead to delays, stress, or even confiscated items.
Let’s break down what goes in your carry-on bag, what belongs in your checked luggage, and how to avoid common airport security problems. Whether it’s your first flight or your fiftieth, a little prep goes a long way.
What’s the Difference Between a Carry-On and a Checked Bag?
Before packing, it helps to understand how airlines (and airport security) treat different types of luggage:
- Carry-on: The smaller bag you bring onto the plane with you. This typically includes a suitcase in the overhead bin and a personal item like a backpack or purse.
- Checked luggage: The larger suitcase you hand over at the airline counter. It’s stored under the plane and retrieved at baggage claim after landing.
TSA officers screen carry-ons in front of you at security. Checked bags are screened separately, often without you present. Because of this, certain items are allowed in one type of bag but not the other. So, its ultimately very important to know what you can pack in your carry-on Bag.
What to Pack in Your Carry-On
Your carry-on should include anything you’ll need in-flight, at the airport, or if your checked luggage gets delayed.
Essentials to Always Keep With You
- Passport and travel documents
- Wallet, ID, and boarding pass
- Medications (in original packaging)
- Electronics and chargers
- Valuables (jewelry, cameras, etc.)
- A change of clothes (just in case)
- Snacks and an empty water bottle
TSA Liquids Rule
You’re allowed to bring liquids, gels, and aerosols in containers 3.4 ounces (100 mL) or smaller, and they must fit in a single quart-sized clear plastic bag. This includes:
- Toothpaste
- Shampoo
- Sunscreen
- Makeup (liquid or cream-based)
Tip: Pack this bag near the top of your carry-on so it’s easy to remove during screening.
What to Pack in Checked Luggage
Your checked bag is where you can store bulkier items and things you won’t need during the flight.
Good Checked Bag Items
- Larger toiletries (full-size shampoo, shaving cream, etc.)
- Extra clothes and shoes
- Non-essential electronics or gear
- Souvenirs, gifts, or items you’re bringing home
- Razors, scissors (if blades are over 4 inches), and tools
- Liquids over 3.4 oz (as long as they’re sealed properly)
Important: Airlines have size and weight limits. To avoid extra fees, most checked bags must weigh under 50 lbs (23 kg).
What NOT to Pack in Either
Certain items are banned from both carry-ons and checked bags:
- Fireworks or explosives
- Flammable liquids
- Pepper spray or mace
- Lighters shaped like weapons
- Lithium batteries (for some items—check with your airline)
If you’re unsure about something, check TSA’s “What Can I Bring?” tool or contact your airline before packing.
How Airport Security Works (and How to Speed It Up)
The TSA Screening Process (U.S. Airports)
- ID and boarding pass check
- Carry-on scanning via X-ray machine
- Body screening using scanners or metal detectors
- Additional inspection, if needed (random or item-related)
Tips for Getting Through Faster
- Wear slip-on shoes
- Avoid metal accessories
- Empty your water bottle before screening
- Remove laptops and liquids for scanning
- Have your passport or ID ready
If you’re traveling internationally, allow 2–3 hours for check-in, security, and boarding.
Traveling Soon? Check Your Passport Too
Packing smart saves time, but if your passport is expired or close to it, you could still miss your flight. Many countries require at least six months of validity beyond your travel dates.
If you need to renew your passport quickly, The Passport Office can help:
- Expedited processing in as little as 3 business days
- Walk-in locations across the U.S.
- Virtual appointments for travelers not near an office
- Help with new passports, renewals, name changes, and more
Schedule a virtual or in-person appointment today!
Final Thoughts on The Carry On Vs The Checked Bag
Packing wisely can make your airport experience easier and faster. Know what to put in your carry-on, what to check, and what to leave behind. A few small choices—like packing liquids correctly or keeping your passport close—can keep you on time and stress-free.
If you’re gearing up for a trip, remember the most important part of your travel prep: a valid passport. If it expires soon, we’ll help you renew it before takeoff.
