SEA Airport Immigration & Customs Wait Times
Typical passport-control wait at Seattle-Tacoma International Airport is about 25 minutes. Based on U.S. CBP data from the last 90 days, through 2026-07-21 — updated daily, not live.
When Is Customs Busiest at SEA?
A dot instead of a bar means no scheduled international arrivals that hour — not a data gap.
Wait-time data: U.S. Customs & Border Protection — Airport Wait Times. Historical averages over the last ~90 days, refreshed daily — not a live feed. Not affiliated with CBP.
SEA Immigration at a Glance
💡 Tips for Clearing Customs Faster at SEA
- ✓ Apply for Global Entry — about 14% 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. 16 for U.S. citizens.
- ✓ If you can pick your flight, avoid arrivals around 7p, 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 25 minutes, based on U.S. Customs and Border Protection data over the last 90 days. Waits are longest around 7p (typically ~34 minutes) and shortest around 6a. 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 6a. The busiest window is around 7p (typically ~34 minutes), so if you can choose your arrival, avoid that hour. See the hour-by-hour chart above for the full weekly pattern.
Is Global Entry worth it at SEA?
About 14% 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.