Thumb Score: +8 Costco has $500.00 Southwest GC for $429.99. Limits 5 per member. From 10/30/2024 - 11/4/2024 Same as the one from Sam's club but I believe you earn cash back from Costco as well as their branded Citi credit card https://www.costco.com/?NATAPP=SEARCH&sh=true