United States Postal Service (USPS) has one mailbox option at SEA Airport
The mailbox is located pre–security on the baggage claim Level on the Lower Drive sidewalk outside of door 16 provided by United States Postal Service. Step-by-step instructions to navigate the terminal can be found on our interactive map.
Mail It Home
Travelers who inadvertently pack a prohibited item in their carry-on luggage have the option of mailing it home from one of the self-service Mail It Home kiosks, conveniently located near every security checkpoint post.
Examples of items that can be shipped include:
- Pocket Knives, Utility Knives, Box Cutters*
- Hair Scissors, Scissors
- Tools
- Lighters
- Liquids
Note: MailSafe Express will not ship items considered illegal and/or prohibited by the U.S. Postal Service. (For example: weapons, ammunition, batteries, flammable liquids, and explosives.) *Items that are weapons have to be ground shipped so they may take longer to ship to the final destination.
There also are size and weight requirements. The item must fit in the provided plastic bags and be weighed on the kiosk's scale. Oversized items can be taken to the in the Baggage Claim level outside of door 16. Travelers can pay at self-service kiosks by cash, MasterCard or Visa. Items are shipped in bubble mailers by uninsured 1st class.
You can reach out to Mail it Home directly to see the status of your shipment by email at [email protected] or by phone (704) 659-2423
