That means that if your checked bag weighs more than 50 pounds, your airline will charge you a set fee on top of their standard baggage rate. Most airlines also have a weight limit, usually 70-80 pounds, after which they don't accept bags, even for an extra fee.

If your checked bag exceeds the weight limit—typically 50 pounds (23kg) for economy or 70 pounds (32kg) for premium cabins—you will face several options at the airport. First, the airline will likely charge an "Overweight Baggage Fee," which in 2026 often ranges from $100 to $200 per bag, depending on the carrier and the route. To avoid this, the agent may allow you to move items from your heavy bag into your carry-on or a second checked bag (though a second bag fee may then apply). In extreme cases, if a bag exceeds the "absolute maximum" weight (usually 100 pounds or 45kg), the airline may refuse to carry it entirely due to occupational health and safety rules for baggage handlers. To prevent these high costs, it is highly recommended to use a digital luggage scale at home. If you know your bag will be heavy, some airlines allow you to "pre-pay" for an increased weight limit at a discount on their app before you arrive at the terminal.