Customs Rules for Travelers Arriving in St. Louis, Missouri: What to Know
All international travelers arriving at St. Louis Lambert International Airport (STL) must clear U.S. Customs in Terminal 2, declare items exceeding $800 value/$10,000 cash, and expect 30-90 minute processing—with Global Entry reducing waits to under 5 minutes.
Real Costs, Duties, & Financial Requirements
Understanding actual costs prevents unexpected expenses. The CBP personal exemption allows $800 of goods duty-free per person (from most countries). Beyond this:
| Item Category | Duty Rate | Example Calculation |
|---|---|---|
| Clothing/Textiles | 10-25% | $200 jacket = $20-$50 duty |
| Electronics | 3-5% | $1,500 laptop = $45-$75 duty |
| Alcohol (>1L) | $1-3 per liter | 3L wine = $4-$9 duty + state tax |
| Cigarettes (>200) | $1.01 per pack | Extra carton = $10.10 duty |
Cash Declaration: Must report currency over $10,000 (any form) on FinCEN Form 105. Failure results in seizure of all funds.
Terminal Layout, Best Routes & Navigation
STL's customs facility is in Terminal 2, Lower Level. Follow green "Federal Inspection" signs.
- Optimal Route: Disembark → Follow green signage → Escalators to lower level → Primary Inspection Area
- Global Entry Lane: Far right lane (requires pre-approval)
- Mobile Passport Lane: Center lanes (look for MPC signs)
- ADA Access: Elevators adjacent to escalators
The facility has 12 primary inspection booths and 4 secondary examination rooms. During peak hours, officers direct flow to minimize congestion.
Step-by-Step Customs Clearance Process
- Pre-Arrival: Complete declaration form (paper or MPC app)
- Primary Inspection: Present passport, declaration form, and visa (if required) to CBP officer
- Questions Expected: "Purpose of visit?" "What are you declaring?" "Where did you travel?"
- Baggage Claim: Collect checked bags (located after primary inspection)
- Secondary Inspection: If directed, proceed with all luggage for agricultural/USDA screening
- Exit: Hand declaration form to final officer, proceed to arrivals hall
Local Customs Offices & Government Agencies
- Primary CBP Office: Terminal 2, Lower Level, STL. Phone: (314) 426-8000. Hours: 11:00-19:00 daily.
- Port Director's Office: 10701 Lambert Int'l Blvd, Suite 203, St. Louis, MO 63145 (by appointment)
- USDA/APHIS Inspection Station: Adjacent to baggage claim, open during all international arrivals
- FDA Import Office: For regulated medical/food items: (314) 539-7830
- Missouri Department of Revenue: For state tax inquiries: 573-751-2836
Compliance Risks, Penalties & Safety Procedures
Non-compliance carries serious consequences under 19 U.S. Code § 1595a:
| Violation | Typical Penalty | Legal Reference |
|---|---|---|
| Failure to declare >$10,000 | Seizure + up to $500,000 fine | 31 U.S.C. § 5321 |
| Undeclared prohibited food | $300-$1,000 fine per item | 7 CFR § 319.41 |
| False declaration | Up to $10,000 + seizure | 19 U.S.C. § 1592 |
| Commercial goods misdeclared as personal | Duty + 20% penalty | 19 CFR § 145.12 |
Security Screening: All persons and bags subject to search. Refusal may lead to denial of entry. K-9 units regularly screen for narcotics and agricultural products.
Processing Times, Waiting Times & Peak Hours
Based on CBP's official wait time data:
- Average Wait: 34 minutes (U.S. citizens), 52 minutes (non-citizens)
- Global Entry: Under 5 minutes (dedicated kiosks)
- Peak Hours: 12:00-20:00 (coinciding with transatlantic arrivals)
- Shortest Waits: Before 10:00 and after 21:00
- Holiday Periods: Adds 15-25 minutes (Thanksgiving, Christmas, Summer)
Real-time wait displays are posted before the inspection area. Connect to STL's free WiFi to check CBP's website for live updates.
Facility Capacity, Congestion & Vacancy Rates
The customs hall can accommodate 150 people in queue. When approaching capacity:
- Additional officers are deployed from nearby ports (Kansas City, Chicago)
- Passengers may be held on aircraft briefly (rare, under 30 minutes)
- Mobile processing units can be activated for overflow
During 2023, the facility operated at 75% capacity on average, with 100% capacity reached 42 times (mainly summer weekends).
Nearby Medical Facilities & Emergency Contacts
For medical emergencies during clearance, alert any CBP officer immediately.
- Airport Medical Clinic: Terminal 1, Mezzanine Level, 8:00-16:00 (314-426-8008)
- Barnes-Jewish Hospital: 216 S Kingshighway Blvd (15 min drive) - 24/7 ER
- SSM Health DePaul Hospital: 12303 DePaul Dr, Bridgeton (8 min drive)
- St. Louis County Health Department: For vaccination records: 314-615-0600
Medication Tips: Keep medications in carry-on with original prescriptions. Insulin/syringes require doctor's letter. Restricted medications include codeine products exceeding 90mg.
Transport Routes, Roads & Post-Clearance Directions
After clearing customs, follow signs to ground transportation:
| Destination | Route/Highway | Travel Time |
|---|---|---|
| Downtown St. Louis | I-70 East to I-170 South | 25 minutes |
| Clayton Business District | Lambert Int'l Blvd to I-170 South | 20 minutes |
| Rental Car Center | Free shuttle from Terminal 2 exit | 8 minutes |
| MetroLink Station | Walkway from Terminal 1 (5 min walk) | N/A |
Note: I-70 construction may cause delays through 2024. Check MoDOT for updates.
Real Case Studies & Enforcement Examples
Agricultural Case: Family from Mexico failed to declare oranges and pork. Penalty: $1,250 fine plus quarantine supervision for 30 days.
Medication Case: Canadian traveler with unlabeled prescription pills faced detention until pharmacy verification was completed (4-hour delay).
Positive Example: Business traveler declared $12,000 cash using FinCEN Form 105. Processed in 12 minutes with no issues.
Declaration Form (6059B) Tips & Common Mistakes
Avoid these common errors on CBP Form 6059B:
- Mistake: Not declaring purchased gifts as "merchandise"
- Correction: List all gifts with approximate value
- Mistake: Forgetting about duty-free purchases made abroad
- Correction: Include these in your total value calculation
- Mistake: Not declaring soil on hiking gear
- Correction: Declare "soil on equipment" and expect USDA inspection
When in doubt, declare. Officers typically waive duty on borderline items for honest declarants.
Frequently Asked Questions (FAQ)
What items are prohibited or restricted by U.S. Customs in St. Louis?
A. Prohibited items include most fresh fruits/vegetables, most meats, narcotics, and counterfeit goods. Restricted items requiring declaration include >$10,000 cash, alcohol (>1 liter per adult), tobacco (200 cigarettes), and commercial samples. Prescription medications must be in original containers with doctor's notes.
How long does customs clearance take at St. Louis Airport?
A. Average processing time is 30-90 minutes. U.S. citizens with Global Entry typically clear in CBP's website.
What are the duty-free allowances when entering Missouri?
A. The personal exemption is $800 per person if traveling from most countries. This includes gifts, souvenirs, and personal items. Items exceeding this amount may be subject to duty fees ranging from 3-10% of the excess value.
Where is the customs office located at Lambert Airport?
A. The U.S. Customs and Border Protection (CBP) facility is in Terminal 2, lower level, near baggage claim. The address is: CBP Office, Terminal 2, 10701 Lambert International Blvd, St. Louis, MO 63145. Hours: 11:00-19:00 daily.
What happens if I fail to declare an item?
A. Failure to declare can result in seizure of items, civil penalties up to $10,000 per violation, and potential criminal charges. For example, in 2023, a traveler faced a $5,200 fine for undeclared agricultural products. Always use the declaration form (CBP Form 6059B).
Can I use Mobile Passport Control at STL?
A. Yes, St. Louis Lambert accepts both Mobile Passport Control (MPC) and Global Entry. MPC is free and can reduce wait times by 40%. Download the 'CBP MPC' app before arrival to submit declaration and passport info digitally.
What medical items require special declaration?
A. Declare all prescription medications with original labels. Injectable medications require FDA documentation. Medical devices (CPAP machines, etc.) are generally permitted. Prohibited items include kratom, certain CBD products, and unapproved pharmaceuticals.
Are there agricultural inspection stations after customs?
A. Yes, USDA and Missouri Department of Agriculture inspectors operate secondary inspection points. All luggage is screened by X-ray and K9 units. In 2022, STL intercepted 1,240 prohibited plant/animal products. Declare all food and agricultural items on your form.
Official Government Resources
- CBP Travel Portal - Official rules and forms
- STL CBP Port Information - Local office details
- USDA Traveler Guidelines - Agricultural restrictions
- FDA Traveler Information - Medication/medical devices
- FinCEN Form 105 - Currency reporting form
- St. Louis Airport Authority - Airport maps and services
Legal Disclaimer
This guide is for informational purposes only and does not constitute legal advice. Customs regulations change frequently. Always consult with U.S. Customs and Border Protection for current rules. Penalties for non-compliance are enforced under Title 19 of the U.S. Code and applicable Missouri statutes (Chapter 149, RSMo). The publisher assumes no liability for errors, omissions, or penalties incurred by travelers. International travelers are subject to the Immigration and Nationality Act and all applicable federal regulations.