Costco Holidays 2024 Travel Guide. Flight prices are constantly changing — even day to day — so it’s hard to know when prices will be lowest to book an upcoming trip. From international trips to cruises and everything in between, costco travel packages are designed to offer excellent value.

They close early on christmas eve, black friday, and new year’s eve. Flight prices are constantly changing — even day to day — so it’s hard to know when prices will be lowest to book an upcoming trip.