The carry on limit is very strict: “Carryon items are limited to one bag plus one smaller, personal-type item. Southwest Airlines limits carryon bag dimensions to 10 x 16 x 24 inches.” No exceptions here. The info from the more “detailed” baggage allowance page answers most of your questions: Excess Baggage Each piece of baggage in excess of the free baggage allowance specified above that is not in excess of 62 inches (L+W+H) and 50 lbs. or less will be accepted for a charge of $75.00 per item one-way. Excess baggage which is also overweight or oversized will be charged excess baggage plus the applicable oversize or overweight charge. Weight and Size Allowance Southwest will accept the first two checked bags for free provided that the bags do not exceed 50 lbs and 62 inches (L+W+H). Overweight items from 51 to 100 pounds and oversized items in excess of 62 inches but not more than 80 inches will be accepted for a charge of $75.00 per item one-way. Only one $75.00 charge applies if the piece is both oversized and overweight, regardless of the weight as long as it does not exceed 100 lbs. Excess baggage which is also overweight or oversized will be charged excess baggage plus the applicable oversize or overweight charge. ——————————— Any item weighing more than 100 pounds must be shipped as Air Cargo. However, Customers cannot use SWA Cargo unless classified as a Known Shipper as defined by the TSA or TSA approved Indirect Air Carriers (IAC). For full details about shipping cargo, visit www.swacargo.com. So you get you carry on items PLUS two free checked bags, as long as they are under 50 lbs and the size restrictions. Beyond that, you pay $75 per extra checked bag. How many extra they will allow is not exactly specified, but I have a feeling it is at the discretion of the airline. Simply: two carry on items, two free checked bags, pay per items after that. If you want to find out if there is an official max to the number of checked items allowed, you can reach out to SW directly using a Contact Us method below.
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