Sea Freight accounts for 80% of global trade, transporting over 11 billion tons of goods each year. It is the core logistics method connecting China with the United States. Whether it’s electronic products, machinery, equipment, or bulk commodities, Sea Freight is the first choice for companies transporting goods across borders due to its cost-effectiveness and large capacity. However, the route options, port operations, customs clearance processes, and transit time management from China to the United States are complex and diverse, and the slightest mistake can lead to higher costs or delays. This guide will explain the entire Sea Freight process to help you accurately match shipping solutions, optimize cost structures, and avoid potential risks.

Benefits of Sea Freight from China to the USA
Sea freight from China to the United States has significant advantages, especially for bulk commodities, consumer durables, and industrial equipment. It is more affordable than Air freight, especially when importing large quantities of goods. Sea freight effectively reduces the unit cost of goods, helping importers obtain high-quality products at more competitive prices and expand their markets.
Sea Freight offers flexible shipping options such as LCL (Less than Container Load) and FCL (Full Container Load), which can be delivered by DDP (Delivered Duty Paid), ensuring a smoother shipping process. It is also a reliable mode of transport due to its stable shipping schedules and routes. Sea Freight is safer, has a lower risk of damage and loss, and supports the transportation of various types of goods. It improves inventory management and optimizes the supply chain. Sea Freight also has a lower carbon footprint than other modes of transport and is an environmentally friendly choice.
In addition, Sea Freight supports the transportation of various types of goods, improves inventory management, optimizes the supply chain, and is a more environmentally friendly option with lower carbon emissions than other modes of transport.
How long does it take to ship from China to the United States?
Sea freight times depend on the port of departure, the port of destination, and the shipping company. At the fastest speeds, direct flights take about 12-15 days, while routes that go via multiple transit ports can take 25-40 days.
Examples of significant voyages:
- Shanghai-Los Angeles: about 14-18 days
- Shenzhen-New York: about 25-30 days
- Ningbo-Houston: about 30-35 days
Factors that affect the transit time of goods from China to the United States include:
- Full Container Load (FCL) or Less than Container Load (LCL): FCL is faster, as there is no need to wait for containers to be consolidated or split.
- Disruption to shipping routes: Delays can be caused by bad weather, political instability, accidents, etc.
- Seasonal demand: Transit times may be longer during peak seasons.
- Port congestion: High volumes of traffic can affect customs clearance and the speed of goods being picked up.
- Shipping route: Direct routes are faster, while indirect routes are slower.
Sea Freight Costs from China to the US
Sea freight costs from China for a 20-foot container are approximately $2,500-$5,000, and for a 40-foot container, they are roughly $3,500-$6,000. Specific sea freight costs are affected by various factors, such as the type, volume, and weight of the goods, the port of destination, bunker surcharges, etc.
The main factors affecting price are
- Transport method: FCL or LCL
- Destination port: There is a significant price difference between the east and west coast ports
- Season: Freight rates are higher during peak season (before holidays)
- Additional fees: Bunker Adjustment Factor, terminal fees, etc.
What are the things to consider for Sea Freight?
- Choose the right carrier: A reputable freight forwarder is essential.
- Pack the goods appropriately: Use sturdy materials such as shrink wrap, tie wraps, and reinforced boxes to ensure the goods arrive in one piece.
- Declare the goods correctly: Avoid customs seizures or delays.
- Take out cargo insurance: Reduce the risk of damage or loss.
- Avoid peak shipping seasons: You can get lower shipping rates if you ship between November and March.
Sea Freight: Full Container Load (FCL) or Less than Container Load (LCL)?
Full Container Load (FCL)
It is suitable for large quantities (usually over 15 tons), where the owner exclusively occupies a container, which provides higher security and a shorter transit time.
Less than Container Load (LCL)
It is suitable for small quantities (1-15 tons) where multiple owners share a container. It is less expensive but takes longer to load and unload.
What documents are required for shipping from China to the United States?
- Bill of Lading (B/L)
- Commercial Invoice
- Packing List
- Customs Declaration
- Import License (if applicable)
What are the shipping routes from China to the United States?
- Eastern China ports (Shanghai, Ningbo, Qingdao) → West Coast of the United States (Los Angeles, Long Beach, Oakland)
- Southern China ports (Shenzhen, Guangzhou, Xiamen) → US East Coast (New York, Savannah, Miami)
- Northern China ports (Tianjin, Dalian) → US Bay Area (Houston, Seattle)
Causes of shipping delays
- Port congestion: limited handling capacity during holidays or peak seasons.
- Weather factors: typhoons and storms may cause shipping delays.
- Customs inspections: incomplete or unusual cargo declarations may be inspected by customs.
- Shipping company adjustments: Shipping companies may revise shipping schedules due to operational adjustments.
How do I choose the best sea freight service from China to the US?
Determine your shipping needs.
- The weight, volume, and type of goods determine the shipping method.
- 1-15 tons are suitable for LCL, and FCL is recommended for more than 15 tons.
- Unique goods, such as dangerous goods, require special transportation methods.
End-to-end solution
- Choose a carrier that offers port-to-port, port-to-door, or door-to-door delivery services.
Compare rates
- Obtain quotes from multiple carriers and choose the most competitive option.
- Check the carrier’s customer reviews to ensure it is reputable.
Check customer support
- Evaluate the carrier’s responsiveness, service quality, and ease of communication.
Extensive network coverage
- Ensure the carrier has a stable supply of containers at major Chinese ports and can clear customs at all US ports.
Transparent invoices
- Choose a carrier with transparent pricing and no hidden fees so you can budget appropriately.
Sufficient insurance coverage
- Choose a carrier that offers comprehensive insurance to cover the risk of damage or loss during transit.