If you think about it, most of these products are cheaper than checking a bag — I hope that's all the justification you need.

Best for: a carry-on bag via Delta, United, American, JetBlue, Alaska, Southwest, and Allegiant ...

Plus* decanting your creams and liquids into these babies will ... disposable mini toothbrushes in my backpack and carry-on luggage. Perfect size and I can use them use about anywhere." ...

Packing light is handy, especially now that airlines continue to charge hefty fees for checked luggage and the risk of lost baggage is high. Also, traveling with only one carry-on is a liberating ...

Things like a book, headphones, and an eye mask make sense to have on board, but the last thing you want to do is overpack.

But, according to Anne-Marie Miller, a flight attendant for Air New Zealand, the trick is to only take what you’ll need en ...

Find more clues, hints, and info below.

They're all liquids. Feel free to put them in checked luggage, but if you want to carry on, you'll have to buy the small size to comply with the 3-1-1 rule, or purchase them at airport gift shops ...

Most major U.S. airlines agree on the limits of a carry-on’s size (22 inches long by 14 inches ... They’ll also help you easily grab your laptop and liquids when heading through security.