Fee for excess baggage
Southwest Airlines (WN) will charge $75.00 USD per bag for the third bag and any additional bags.
Weight and Size Allowance
Southwest Airlines (WN) will charge the following for bags do not exceed 50 lbs and 62inches(L+W+H).
- 51 to 100 pounds or 24 to 46 kilograms: $75.00 USD extra per bag
- Bags exceeding 100 pounds or 46 kilograms will not be accepted as checked baggage / hold luggage.
- Excess baggage which is also overweight or oversized will be charged excess baggage plus the applicable oversize or overweight charge.
For more details visit : http://www.Southwest.com/Baggage/Baggage-Information