Baggage Rules & Fees

Carry-on and checked bag size/weight limits, packing rules, and baggage fees organized as airline-comparison content, since these are airline policies rather than federal rules. Boundary: clarifies which limits are airline-set versus federally mandated, preventing the common error of presenting airline policy as government rule; single-item packing questions still belong in can-i-bring.

Look for the “policy owner” label on each page below — it tells you whether a figure is set by the airline or by a federal regulator.

How Much Cash You Can Fly With Depends on Your Destination

There is no federal limit on cash for domestic US flights, but international travel requires you to declare any amount over $10,000 to CBP. This article clarifies the two separate rule sets and resolves the common $10,000 myth.