Yes, you can almost always check more than two bags on a plane in 2026, though it will likely cost you a significant amount in "excess baggage" fees. Most standard tickets (Economy or Main Cabin) include either zero or one checked bag for free, and a second bag usually incurs a flat fee. Once you reach a third bag, many airlines shift to a tiered pricing model where the cost increases drastically. For instance, while the first bag might be $35 and the second $45, the third and fourth bags can often cost $150 to $200 each. There are also physical limits: most airlines cap the total number of checked items at 10 per passenger, and certain smaller aircraft or specific routes with high cargo demand may have "baggage embargos" that strictly limit you to only two pieces. To avoid surprise costs, it is always recommended to add additional bags online before arriving at the airport, as "at-the-counter" fees are significantly higher. Elite status members or those flying in First/Business class often receive a higher free allowance, typically two or three bags at no extra charge.