Choosing between ocean freight and air freight is one of the most consequential logistics decisions a shipper makes. The right choice depends on cargo type, timeline, budget, and trade lane. This guide breaks down every factor to help you decide.
Ocean vs Air Freight: The Quick Summary
Ocean freight is cheaper but slower; air freight is faster but significantly more expensive. But the decision involves more nuance — cargo weight, volume, urgency, trade lane, and product value all influence which mode makes commercial sense.
Ocean Freight: What You Need to Know
Ocean freight moves roughly 90% of the world traded goods by volume. It is the default mode for large, heavy, or bulk cargo and far more cost-effective than air for most shipments over 100 kg.
- FCL (Full Container Load) — You book an entire container (20ft or 40ft). Best for cargo filling at least 50-60% of a container.
- LCL (Less-than-Container Load) — Your cargo shares a container with other shippers. Better for small shipments below 15-20 CBM.
Ocean Freight Transit Times by Route
- China to Europe: 25-35 days
- China to USA West Coast: 12-18 days
- China to USA East Coast: 25-35 days
- Europe to USA: 8-15 days
- India to UK: 20-28 days
Air Freight: What You Need to Know
Air freight is 4-6x faster than ocean but typically 4-6x more expensive per kg. It is preferred for high-value goods (electronics, pharmaceuticals, luxury), time-sensitive cargo (perishables, fast fashion, spare parts), and emergency stock replenishment.
Air Freight Transit Times
- China to Europe: 3-6 days
- China to USA: 3-5 days
- Europe to USA: 1-2 days
Air freight is charged on chargeable weight — whichever is greater between actual weight and volumetric weight (CBM x 167). Bulky but light cargo can be very expensive to ship by air.
Ocean vs Air: Decision Framework
- Choose ocean if: Your shipment weighs more than 100-150 kg, you can plan 4-6 weeks ahead, and goods are not highly time-sensitive.
- Choose air if: Your shipment is urgent, high-value, perishable, or below 100 kg in weight.
- Consider sea-air if: You need a balance of speed and cost — cargo moves by sea to a hub then continues by air.
Other Freight Modes
- Road freight — Ideal for intra-regional shipping. Flexible, door-to-door.
- Rail freight — China-Europe rail services offer 14-18 days transit: faster than ocean, cheaper than air.
- Multimodal — Combining two or more modes to optimise cost, speed, and reliability.
The Environmental Factor
Air freight emits approximately 50x more CO2 per tonne-km than ocean freight. With 65% of shippers now prioritising green logistics partners, choosing lower-emission modes is both environmentally responsible and commercially smart. CargoLinked lets you request quotes across all modes and compare rates, transit times, and carrier options side by side.