The cost of living will vary depending on whether it’s a holiday week/end. The cost of hotel rooms varies significantly throughout the year, with rates typically increasing during popular tourist seasons like spring and summer. Columbus Day, Veterans Day, and Thanksgiving all have price increases—some quite significant. The same can be said for runDisney race weekends.
If it’s not one of those weeks or weekends, airfare pricing is close to its lowest levels of the year through the first week of December. That gradually rises over the following few days, culminating in Christmas and New Year’s Eve. Beginning on December 16 and continuing until the end of the year, holiday season begins, with prices reaching their highest levels of the year during that time.
There’s a lot of uncertainty about next year, but we can say with almost complete confidence that the most expensive dates to visit Walt Disney World are December 16-31.