The TSA limits liquids, gels, and pastes (including toothpaste) to one 3.4-ounce container each. If you're carrying on luggage, consumables must also conform.
You can bring over-3.4-ounce liquid medication. You must advise the TSA officer about these substances before your search since they may require further screening.
You spent hours wrapping gifts, only to have TSA employees rip them open at security. They advise putting your items in gift bags or boxes and leaving them at that.
Some airports and TSA officials don't force travelers to put laptops and other large electronic gadgets in their own containers, but this is not always the case.
If you're traveling to or from the United States, you'll need to fill out a FinCEN Form 105 to report any money worth more than $10,000.
It is perfectly acceptable to pack it in your carry-on or checked luggage, but if it's in your carry-on, you may be flagged. Remove the battery before to passing through security.
It is possible, but it will cost you time at TSA. This is because it is occasionally used to hide the odor of prohibited items, such as narcotics.
According to the TSA, this is the most frequently flagged item. The only way you can bring a pocket knife or a Swiss army knife on the plane is in your checked luggage.
Because of their resemblance to explosives, snow globes are permitted, but they are routinely flagged. 3.4 ounces or 100 mL of water must appear to be in the snow globe.