If you're shipping holiday gifts for Hanukkah (November 28 to December 6), Christmas (December 25), Kwanzaa (December 26 to January 1), or other holiday traditions, find the deadlines for delivery here. The earlier we send, the better: Don’t delay, purchase your items today!
2021 Holiday Shipping Dates for Contiguous U.S. (Lower 48 States)
For all free shipping orders, we recommend that the orders are placed before December 17, 2021. Priority Mail services, the orders must be placed no later than December 18, 2021. And for Priority Mail Express, the deadline is December 22, 2021.
2021 Holiday Shipping Dates for Alaska & Hawaii
Alaska: Free shipping and Priority Mail orders must be received by December 18, 2021, and Priority Mail Express, December 21, 2021.
Hawaii: The dead line is December 17, 2021 for all free shipping and Priority Mail orders, and December 21, 2021 for Priority Mail Express.
Credit to USPS website.