Postage to Australia from the UK
How much it costs to send a letter, large letter or small parcel to Australia, how long it takes and what you need to know about customs.
Letter£3.60
Large letterfrom £4.60
Small parcelfrom £16.25
Typical delivery5-7 days
Australia is a long way, so allow plenty of time, and much more around Christmas. Letters usually take 5-7 working days. Heavier parcels are expensive by post, so compare couriers before you send.
| Size | Weight | Price |
|---|---|---|
| Letter | Up to 100g | £3.60 |
| Large Letter | Up to 100g | £4.60 |
| Large Letter | 100g-250g | £9.55 |
| Large Letter | 250g-500g | £13.90 |
| Large Letter | 500g-750g | £19.55 |
| Small Parcel | Up to 250g | £16.25 |
| Small Parcel | 250g-500g | £22.85 |
| Small Parcel | 500g-750g | £26.05 |
| Small Parcel | 750g-1kg | £29.45 |
| Small Parcel | 1kg-1.25kg | £32.90 |
| Small Parcel | 1.25kg-1.5kg | £35.60 approx. |
| Small Parcel | 1.5kg-2kg | £39.95 approx. |
Prices from 5 October 2026, last checked 1 October 2026. Prices marked approx. are our best estimate – confirm with the carrier before paying.
How to address post to Australia
Australian addresses end with the town, the state abbreviation and the 4-digit postcode, e.g. SYDNEY NSW 2000, then AUSTRALIA.
Things to know about posting to Australia
- Australia Post delivers Royal Mail items.
- Australia's biosecurity rules are among the strictest in the world - declare all food, plant material and wooden items.
- For Christmas, post very early - Australia is one of the earliest last posting dates.
General tips
- Put AUSTRALIA in capitals as the last line of the address.
- For goods, fill in the customs declaration with an accurate description, value and quantity.
- International Standard is not tracked. If the item is valuable, choose a tracked service or a courier.
- Heavier parcels (over 2kg) need a courier or Royal Mail's International Tracked or Parcelforce services.
Frequently asked questions
How much does it cost to send a letter to Australia?
A standard letter up to 100g costs £3.60 with Royal Mail International Standard.
How much is it to post a small parcel to Australia?
A small parcel starts at £16.25 for up to 250g, rising to £29.45 for 1kg with Royal Mail International Standard.
How long does post to Australia take?
Royal Mail aims to deliver International Standard post to Australia in around 5-7 working days, but it is not guaranteed.
Do I need a customs form to send a parcel to Australia?
Yes, if you are sending goods or gifts. You can complete the customs declaration online when you buy postage, or at the Post Office counter. Documents and letters do not need one.