Lost something at the airport
Seatac lost and found: how to get your item back
File a free lost property report online: the Port calls it the fastest way to get help. SEA Lost and Found is on the baggage claim level across from Carousel 13. Items left on a plane go to the airline's own lost and found, and items left at a TSA checkpoint reach SEA Lost and Found the following business day. The Port holds turned-in items for at least 30 days.
- Report
- Free, online
- Office
- Across from Carousel 13
- Held for
- At least 30 days
- Phone
- (206) 787-5312
Step by step
Where to report it
- 01
Left on the plane
Contact your airline: airlines run their own lost and found. The Port links to the reporting pages for Alaska, American, Delta, Southwest and United, and lists contacts for the other airlines at SEA.
- 02
Left at a TSA checkpoint
SEA Lost and Found receives items left at security checkpoints the following business day, so file a lost property report with the Port. The Port notes that TSA does not deliver confiscated items to Lost and Found.
- 03
Lost anywhere else in the terminal
File the Port's free online report. You get an email confirmation, an update three days after filing, then weekly updates for the following month. If your item is matched, you're contacted with options to get it back.
The details
What the Port of Seattle says
Where the office is
SEA Lost and Found is on the baggage claim level across from Carousel 13. The Port lists it as open daily from 8 a.m. to 6 p.m. Pacific Time, closed on Martin Luther King Day, Independence Day, Labor Day, Thanksgiving, Christmas and New Year's Day. Phone (206) 787-5312.
Getting it back if you've left Seattle
The Port's online reporting system offers FedEx shipping. You can also arrange for someone else to claim the item on your behalf.
Found something?
Hand it to the Lost and Found office or a drop box as soon as possible; post-security drop boxes are in the concourses and items are collected daily. For a suspicious item, the Port says to call the Port of Seattle Police by dialing 911.
Next steps
Coming back to collect it?
If your item is waiting at the baggage claim level, you may be back at Seatac for a short visit. A booked ride avoids paying for the garage; if you're flying out again, plan the whole trip.
Get them to the flight
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Questions
Frequently asked questions
Where is lost and found at Seatac?
On the baggage claim level across from Carousel 13. The Port lists the office as open daily from 8 a.m. to 6 p.m. Pacific Time, closed on six listed holidays. Phone (206) 787-5312.
Does it cost anything to report a lost item at Seatac?
No. The Port of Seattle says filing a lost property report is free, and warns against unverified third-party websites that charge fees to retrieve items.
I left something on the plane. Who do I contact?
Your airline. Airlines run their own lost and found; the Port links to reporting pages for Alaska, American, Delta, Southwest and United.
I left something at the security checkpoint. What now?
SEA Lost and Found receives items left at TSA checkpoints the following business day, so file a lost property report with the Port. TSA does not deliver confiscated items to Lost and Found.
How long does Seatac keep lost items?
The Port says items turned in to Lost and Found are held for a minimum of 30 days.
Official information
Checked on the Port of Seattle’s pages on November 2, 2026. Airport programs and rules can change, so confirm with the Port before you go.