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SEA Customs & Immigration Wait Times

Immigration Snapshot

Plan your international arrival at SEA around customs processing times.

Peak CBP waits can reach 52 minutes on Fridays around 4 PM. 48 lower-wait time slots appear in the historical data below.

Peak wait
52 min
Best signal
Late PM / early AM
Quiet slots
48
Data type
Estimate + historical

Useful pages for this airport

Check estimated CBP processing times at Seattle Tacoma International Airport, then compare immigration wait patterns by day and hour. 48 lower-wait time slots appear in the current dataset.

Estimated Wait Right Now

6 min

SEA local time: Monday at 1 AM

Peak Wait Time

52 min

Fridays at 4 PM

Best Times to Arrive

Under 10 minutes

48 time slots with minimal wait

CBP Wait Time Lookup Tool

Check estimated customs and immigration wait times for any day and hour. The "Estimated Wait Right Now" card above shows current conditions.

Estimated wait for selection

6 min

Morning CBP Processing Times (AM)

Historical CBP customs and immigration processing times at Seattle Tacoma International Airport for morning hours (12 AM - 11 AM), organized by day of week
HourMonTueWedThuFriSatSun
12 AM4m5m6m8m12m8m6m
1 AM6m6m1m5m1m1m10m
2 AM3m1m5m1m1m8m4m
3 AM7m7m6m1m4m4m2m
4 AM6m2m5m8m3m2m9m
5 AM3m2m10m10m14m8m12m
6 AM14m5m8m12m16m11m13m
7 AM12m14m10m11m13m15m18m
8 AM15m10m15m14m17m17m20m
9 AM19m18m17m16m21m21m21m
10 AM20m14m17m18m23m26m32m
11 AM26m22m25m24m27m24m27m

Afternoon & Evening CBP Processing Times (PM)

Historical CBP customs and immigration processing times at Seattle Tacoma International Airport for afternoon and evening hours (12 PM - 11 PM), organized by day of week
HourMonTueWedThuFriSatSun
12 PM28m22m25m22m28m25m29m
1 PM29m26m25m25m38m30m39m
2 PM33m33m33m34m39m37m46m
3 PM32m30m34m37m47m43m45m
4 PM38m33m37m43m52m46m49m
5 PM33m32m36m37m47m43m49m
6 PM28m25m31m30m42m31m36m
7 PM24m21m19m20m32m25m30m
8 PM19m20m20m16m28m21m28m
9 PM15m15m16m17m18m22m18m
10 PM17m11m16m8m20m14m21m
11 PM7m6m5m9m16m14m11m

Wait Time Legend

- No data≤10 min11-20 min21-30 min31-40 min41-50 min50+ min

Tips for Clearing Customs at SEA

  • Enroll in Global Entry for expedited CBP processing ($100/5 years, includes TSA PreCheck)
  • Use the free CBP Mobile Passport Control app for a dedicated inspection lane
  • Have your passport and customs declaration form ready before reaching the booth
  • Check peak times above and adjust your connecting flight buffer accordingly
  • Declare all agricultural items and purchases above the duty-free allowance
  • If connecting domestically after arrival, allow extra time for customs and re-checking bags

SEA Customs & Immigration FAQ

How long are customs and immigration wait times at Seattle Tacoma International Airport?

This page shows estimated CBP processing times at SEA. Peak waits can reach 52 minutes on Fridays around 4 PM. The best times to clear customs are usually early morning or late evening, with 48 time slots showing waits under 10 minutes.

What is the best time to arrive for customs at SEA?

The best times to go through customs and immigration at SEA are typically early morning and late evening. Our data shows 48 time slots with wait times under 10 minutes. Avoid Fridays around 4 PM when waits are longest.

Can I check customs wait times for a specific day and time at SEA?

Yes. Use the day and time selector in the wait time tool to view the estimated CBP processing wait for any day-of-week and hour block. The "right now" number above it is the quick view for the current time slot.

Should I get Global Entry for SEA?

Global Entry can significantly reduce your customs and immigration wait time at Seattle Tacoma International Airport. Members use automated kiosks to bypass the regular CBP line, reducing processing time to under 5 minutes in most cases. The $100 fee covers 5 years and includes TSA PreCheck. If you travel internationally at least once a year, Global Entry is usually worth it.

What documents do I need for international arrival at SEA?

When arriving internationally at Seattle Tacoma International Airport, you need a valid passport (with at least 6 months validity), any required visas, and a completed CBP customs declaration (usually provided on the plane or via the CBP Mobile Passport Control app). Global Entry and SENTRI members can use automated kiosks. U.S. citizens returning from Canada, Mexico, or the Caribbean may also use the Mobile Passport Control app for a dedicated lane.

Official Travel Resources

5 verified external links from airport operators and U.S. agencies.

Official Airport Resources1 link▼
Customs and Border Protection4 links▼