Freight Express Post Flat Rate S

Description

Australia Post Express Post flat rate: Small (S).

Fits Australia Post’s S Express packaging (355 × 225 mm) or your own packaging weighing up to 500g. All Express Post flat-rate tiers cap at 5kg: price is set by size when using AusPost’s own packaging, or by this weight band when using your own packaging. Good tier for something like a packet of screws or small hardware when it needs to arrive next business day.

Delivery: next business day.

Guide only, for internal invoicing: not for sale on the website. Rate current as at 1 September 2026 (Australia Post Post Charges Guide, national flat rate). Confirm against your MyPost Business account before charging a client, as business account pricing may differ from the published retail rate used here.

Additional information