SEA Airport Immigration & Customs Wait Times
Typical passport-control wait at Seattle-Tacoma International Airport is about 26 minutes. Based on U.S. CBP data from the last 90 days, through 2026-10-18 — updated daily, not live.
How long will customs take at SEA?
Most travelers landing around 8 AM on Sundays wait about 24 minutes at passport control; the slowest usually wait up to ~53 min.
Last Sunday (Oct 18) at 8 AM: 30 min
Busiest around 8 AM (~24 min). Quietest around 5 AM (~5 min).
Wait-time data: U.S. Customs & Border Protection — Airport Wait Times. Averages over the last ~90 days, refreshed daily — not a live feed. Not affiliated with CBP.
Meeting someone at SEA? Find out when to leave
SEA Immigration at a Glance
💡 Tips for Clearing Customs Faster at SEA
- ✓ Apply for Global Entry — about 15% of travelers here already use it and clear passport control in minutes.
- ✓ Have your passport and any customs declaration filled out and ready before you reach the booth.
- ✓ Where available, the free Mobile Passport Control app can put you in a faster lane.
- ✓ Visitor (non-U.S.) lines run longer here — about 41 minutes vs. 17 for U.S. citizens.
- ✓ If you can pick your flight, avoid arrivals around 10 AM, the busiest hour for customs at SEA.
- ✓ Connecting to a domestic flight? Budget extra time — you must clear customs and re-check your bags before your next leg.
Frequently Asked Questions
How long does customs and immigration take at SEA?
On average, passport control at Seattle-Tacoma International Airport takes about 26 minutes, based on U.S. Customs and Border Protection data over the last 90 days. Waits are longest around 10 AM (typically ~31 minutes) and shortest around 5 AM. Actual times vary with the number of international arrivals and booths open.
When is the best time to clear immigration at SEA?
The quietest passport-control times at SEA are typically around 5 AM. The busiest window is around 10 AM (typically ~31 minutes), so if you can choose your arrival, avoid that hour. Pick your day and landing time in the planner above for the typical wait.
Is Global Entry worth it at SEA?
About 15% of arriving travelers at SEA already use Global Entry, which lets you skip the regular passport-control line and typically clear in a few minutes. If you fly internationally even a couple times a year, it usually pays for itself in time saved.
Are these SEA immigration wait times live?
No. These are historical averages from CBP's Airport Wait Times program, which publishes with about a two-day lag. This page is refreshed daily so the typical patterns and the most recent available day stay current, but the figures are not a real-time feed.
Wait-time data source: U.S. Customs and Border Protection (CBP) Airport Wait Times. Figures are historical averages, not live, and are for informational purposes only. Not affiliated with CBP.