Quick answer: Choose by the accepted cargo, actual delivery deadline and the complete delivered cost, not by a general preference for speed or price.
Start with the actual deadline
Before comparing modes, confirm when the goods genuinely need to arrive and what date the recipient actually requires them. A vague preference for "sooner" is not a usable deadline.
Once you have a real date, ask whether each mode can meet it based on current availability. A mode that cannot meet the deadline is not a valid option regardless of its other properties.
Check whether the cargo is accepted on each mode
Not all items are accepted on both air and sea services. Check service acceptance for your specific cargo before comparing costs or timelines. There is no value in pricing an option that will not take your goods.
If you are shipping food, electronics, batteries or anything that may have conditions, ask about acceptance first. The answer may determine the decision immediately.
Compare the complete quote, not just the freight charge
When requesting quotes, ask for the full picture from handover in Nigeria to delivery at the UK address. This includes any local handling, export charges, destination costs and duties that are not automatically included in a headline freight rate.
A lower freight charge that carries more separately payable charges at destination may cost more overall. Ask what is and is not included in each quote before comparing them.
Consider what the recipient needs at delivery
For a home address, the recipient needs to be available and aware. For a business address, ask whether someone needs to receive the cargo during business hours. For temperature-sensitive goods, ask whether the recipient has the right storage.
A fast mode that arrives when no one is available, or without the right delivery arrangement, creates a delay at the last step that undoes any speed advantage earlier in the chain.
Keep import costs and requirements current
Both modes are subject to UK import requirements. These are set by HMRC and the relevant UK agencies, not by the carrier. Check current guidance at gov.uk/import-goods-into-uk for any product with conditions.
A carrier can tell you what it accepts on its service. For legal import requirements, use official guidance.
Three decision tests
Before confirming a mode, apply these three checks:
- Can the service meet the actual delivery deadline?
- Is the cargo accepted on this mode and service?
- Is the complete delivered cost within budget?
If all three are yes, the mode works. If any is no, the mode does not work regardless of its general reputation for speed or cost.
Request a like-for-like comparison
When asking for quotes on both modes, give the team the same information for both. Same cargo, same origin, same destination, same required dates. A comparison built on different inputs does not compare the modes; it compares the inputs.
Ask the team to note what each quote includes and excludes so the comparison is on the same terms.
Frequently asked questions
Is air freight always the better choice when something is urgent?
Not automatically. First ask whether the service can meet your actual delivery deadline, not just whether air is faster in principle. An air booking that misses a cut-off or has a longer preparation lead time may not deliver sooner than a planned sea booking.
Does sea freight avoid food acceptance restrictions that air freight applies?
No. Both modes operate under service acceptance policies. The permitted items and conditions vary by mode and route, but neither automatically accepts everything the other declines. Confirm acceptance for your specific cargo on your chosen service.
Should I split an order between modes to reduce risk?
Discuss it with the team if you are weighing the option. Compare the total cost of splitting against the cost of delaying one part. Splitting can also mean two sets of documentation and two sets of handling. Whether it helps depends on the shipment.
Discuss your shipment
Request a quote from Tianah. Provide your cargo details, the full UK delivery address and your required delivery date. The team will advise on available options and what each one covers.