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 lbs (23 kg) for economy or 70 lbs (32 kg) for premium cabins—the airline will subject you to "Excess Baggage Fees." In 2026, these fees have become a significant revenue stream for airlines and can be quite steep, often ranging from $75 to $200 per bag depending on the carrier and the route. For domestic flights, you might be charged a flat fee, while international flights may charge per kilogram over the limit. If a bag is excessively heavy (usually over 70–80 lbs), the airline may refuse to carry it at all due to occupational safety limits for baggage handlers. To avoid these high-fidelity costs, most airlines allow you to move items from your checked bag to your carry-on at the counter, or you can pre-purchase an extra bag allowance online, which is almost always cheaper than paying the "overweight" penalty at the airport.