Quick Choice: Which One Should You Use?
Choose air freight when...
- The parcel is urgent.
- The weight is low or medium.
- The item value is high.
- You are shipping electronics, seasonal goods or personal-use products.
Choose sea freight when...
- The parcel is heavy or bulky.
- You can wait longer.
- The goods are low-value but large-volume.
- You are shipping moving boxes, books, clothing batches or home items.
Air vs Sea Freight: Full Comparison
| Dimension | Air freight | Sea freight | How to decide |
|---|---|---|---|
| Transit time | About 4-12 days depending on destination and route | About 25-60 days depending on destination and route | Air if timing matters |
| Cost | First weight about CNY 62-149; additional about CNY 40-68 / 0.5 kg | Starts from about 2-7 kg; additional about CNY 21-29/kg | Depends on weight and volume |
| Chargeable weight | Often affected by volumetric weight | Better for large cartons and bulky items | Use the calculator before choosing |
| Cargo type | Good for valuable and urgent goods | Good for moving, household and heavy goods | Match route to item risk |
| Customs handling | Faster review and release in many cases | Longer handling window | Plan buffer time |
How Cost Really Works
The cheapest route is not based only on the price per kilogram. International freight is affected by actual weight, volumetric weight, minimum chargeable weight, delivery speed and whether the route accepts the goods.
Air freight cost logic
Air freight often uses chargeable weight: the greater of actual weight and volumetric weight. A large but light carton can become expensive by air because it takes up aircraft space.
Sea freight cost logic
Sea freight is more tolerant of large and heavy shipments. It becomes more attractive as the shipment becomes bulkier or less urgent.
| Example | Best option | Reason |
|---|---|---|
| 2 kg skincare parcel | Air | Small and personal-use. Sea freight waiting time is not worth it. |
| 25 kg clothing carton | Compare both | Vacuum packing may make air acceptable; sea may still be cheaper. |
| 60 kg moving boxes | Sea | Heavy, non-urgent and cost-sensitive. |
| High-value laptop | Air | Shorter transit and better urgency control. |
Reference break-even points
| Destination | Air rate reference | Sea rate reference | When sea freight often wins |
|---|---|---|---|
| USA | JF DDP air: CNY 68 / 0.5 kg, about CNY 136/kg | Sea general: CNY 25/kg after first 1 kg | About 13-15 kg+ by actual weight |
| UK | Air general: CNY 40-46 / 0.5 kg, about CNY 80-92/kg | Sea general: about CNY 22-25/kg | About 12-15 kg+ by actual weight |
| Canada | Air general: CNY 44-46 / 0.5 kg; sensitive: CNY 52 / 0.5 kg | Sea west: CNY 21-24/kg; sea east: CNY 25-28/kg | About 15-20 kg+ by actual weight |
Volumetric weight can move the break-even point earlier. If a parcel is large but light, calculate chargeable weight before comparing route prices.
Which Cargo Types Fit Each Route?
Clothing and shoes
Air is good for a small parcel. Sea is better for a large wardrobe shipment. Vacuum packing can reduce air freight cost.
Electronics
Phones, laptops and tablets usually prefer air-sensitive routes, with correct battery declaration and strong packing.
Food and cosmetics
Route acceptance matters more than air versus sea. Liquids, sauces and powders need checking before dispatch.
Furniture and household goods
Large, heavy and low-urgency goods usually fit sea freight better than air freight.
UK / USA / Canada Destination Notes
United Kingdom
Air works well for small parcels and personal items. Sea freight is practical for moving boxes and larger household shipments.
United States
Air is strong for urgent parcels and e-commerce items. Sea freight is useful when volume rises and timing is flexible.
Canada
Canada shipments should keep enough delivery buffer, especially for sea freight and customs handling.
All destinations
Customs declaration and packing are still required even when a route offers tax-inclusive or door-to-door service.
Destination Transit Times and Rate References
The following figures mirror JunFeng's 2026 route reference tables. Final quotes depend on chargeable weight, cargo type, postcode and route availability.
USA
| Route | Transit | Reference rate | Best for |
|---|---|---|---|
| DHL air express, general goods | 5-7 days | First 0.5 kg CNY 149; additional CNY 36 / 0.5 kg | Urgent parcels, duty not included |
| JF air DDP, general goods | 5-12 days | First 0.5 kg CNY 110; additional CNY 68 / 0.5 kg | DDP door-to-door parcels |
| Air DDP special small parcel | 13-15 days | First 0.5 kg CNY 110; additional CNY 95 / 0.5 kg | Special cargo after confirmation |
| Sea general goods | 30-35 days | First 1 kg CNY 88; additional CNY 25/kg | Non-urgent goods over 10 kg |
| Sea express general goods | 25-30 days | First 1 kg CNY 99; additional CNY 29/kg | Faster sea freight |
| Bulk sea, West Coast 150 kg+ | 35-50 days | 150 kg+ CNY 11/kg; 1000 kg+ CNY 6/kg; 3000 kg+ CNY 5.5/kg | Bulk replenishment and FBA cargo |
United Kingdom
| Route | Transit | Reference rate | Best for |
|---|---|---|---|
| Air general goods | 4-8 days | First 0.5 kg CNY 62; additional CNY 40 / 0.5 kg | Small parcels and daily goods |
| Air sensitive goods | 6-10 days | First 0.5 kg CNY 73; additional CNY 46 / 0.5 kg | Liquids, cosmetics and battery devices after confirmation |
| Sea general goods | 42-52 days | 7-12 kg flat CNY 300; 12.01-21 kg CNY 25/kg; 21.01-50 kg CNY 22/kg | Clothes, books and non-urgent parcels |
| Sea sensitive goods | 55-60 days | 7-12 kg flat CNY 350; 12.01-21 kg CNY 27/kg; 21.01-50 kg CNY 25/kg | Sensitive goods by sea |
| Large item sea | 45-55 days | 20-900 kg: CNY 18/kg flat | Furniture, luggage and bulky parcels |
Canada
| Route | Transit | Reference rate | Best for |
|---|---|---|---|
| Eastern Canada air general | 6-10 days | First 0.5 kg CNY 75; additional CNY 46 / 0.5 kg | Toronto and eastern postal-code areas |
| Western Canada air general | 8-12 days | First 0.5 kg CNY 68; additional CNY 44 / 0.5 kg | Vancouver and western postal-code areas |
| Canada air sensitive goods | 8-10 days | First 0.5 kg CNY 88; additional CNY 52 / 0.5 kg | Battery devices, liquids and cosmetics after confirmation |
| Western Canada sea general | 30-45 days | 2 kg minimum CNY 85; CNY 21-24/kg by tier | Household goods and luggage |
| Eastern Canada sea general | 30-45 days | 2 kg minimum CNY 95; CNY 25-28/kg by tier | Eastern Canada non-urgent parcels |
| Canada sea special cargo | 50-60 days | First 0.5 kg CNY 85; 0.51-10 kg CNY 20 / 0.5 kg; 10.01-20 kg CNY 35/kg | Special cargo after route check |
Common Mistakes When Choosing Air or Sea
| Mistake | Why it causes problems | Better approach |
|---|---|---|
| Only comparing price per kg | Volumetric weight and minimum charges may change the final cost. | Calculate chargeable weight first. |
| Using sea freight for urgent items | Transit and customs handling need more time. | Use air freight when timing is important. |
| Using air for oversized light goods | Volumetric weight can make the parcel expensive. | Compress, repack or compare sea freight. |
| Ignoring cargo restrictions | Sensitive goods may be rejected by a regular route. | Check route acceptance before shipping. |
Frequently Asked Questions
Not always. For small parcels, air freight can be more practical because sea freight may have minimum charges and longer transit time.
There is no single cutoff. Sea freight becomes more attractive as weight and volume increase, especially for moving boxes, books, household goods and bulk clothing.
Some sensitive goods may use sea routes, but acceptance depends on item type, destination and carrier. Batteries, liquids and food should be checked first.
Safety depends more on route handling and packaging than the transport mode alone. Fragile goods need proper internal cushioning either way.
Yes. Urgent or valuable items can go by air, while heavy non-urgent items go by sea. This is often the best cost-control strategy.
