出境手续

1. 值机（在线/自助机/柜台）
2. 行李托运
3. TSA security screening
4. 登机

建议到达时间: 3 小时前抵达机场（国际航班）。

⚠ No exit immigration. TSA PreCheck speeds up security for enrolled travelers.

• 在线/App值机
• 自助值机设备
• 行李托运 counters
• Traditional counter

在线值机: 24h 出发前

现金携带上限: Declare USD 10,000 or more (Currency and Monetary Instruments)

Export restrictions:

• Certain technology/software (export controls)
• Firearms without license
• Cultural artifacts from embargoed countries

⚠ TSA liquid rule: max 3.4 oz (100 ml) per container in carry-on.

• TSA screening: X-ray and advanced imaging (body scanner)
• Shoes must be removed (unless TSA PreCheck)
• Laptops and electronics removed from bags
• Liquids in 3-1-1 quart bag
• Belt removal
• Random pat-down and swab tests

Carry-on restrictions:

Liquids over 3.4oz (100ml), sharp objects, lighters in checked bags, power banks in checked bags.

⚠ TSA PreCheck members can keep shoes/belts on and laptops in bags.

出境审查: 无正式出境审查。 CBP records departures via airline data.

所需文件: Passport and boarding pass (for airline). Return I-94W stub if applicable.

⚠ No exit interview or stamp. Surrender I-94 form if you received a paper one.

出境税: Passenger Facility Charge (PFC) included in ticket.

金额: Up to USD 4.50 per airport + other fees

付款方式: 已包含在票价中。

免税购物: Duty-free shops at all major international airports (DFS, Dufry, etc.).

热门商品: Liquor, cosmetics, perfume, electronics, designer brands.

⚠ US has no export VAT, so duty-free savings are mainly on liquor and tobacco.

贵宾室: Numerous lounges at major airports (Centurion, United Club, Delta Sky Club, Admirals Club).

Priority Pass: 可使用。

使用方式: Priority Pass, credit card lounges (Amex Centurion, Capital One), 航空公司会员等级, 付费入场 (USD 50-75).

• No exit immigration — just go through security and board.
• Return I-94 form if you received a paper one (rare now, mostly electronic).
• TSA PreCheck or Global Entry speeds up security significantly.
• Allow extra time at busy airports (LAX, JFK, ORD).