Costco Members: $500 Southwest Airlines eGift Card (Email Delivery) $430

Costco Members: $500 Southwest Airlines eGift Card (Email Delivery) $430. Thumb Score: +12. Costco Wholesale has for Costco Members: $500 Southwest Airlines eGift Card (Email Delivery) on sale for $429.99. Note, must login to your Costco account w/ an active membership to purchase. Emails are normally delivered within the hour to the email address you have entered in the Shipping Address field.