Cheapest 40GB Mobile Plans on Optus
The cheapest 40GB mobile plan on the Optus network is Small 40GB by agl at $25.00/mo.
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Forward your bill14 Plans — sorted by price
Showing plans with 40–60GB data on the Optus network. Postpaid and prepaid only.
| Carrier | Plan | Data | Type | 5G | $/mo | Updated | Actions | |
|---|---|---|---|---|---|---|---|---|
 | Small 40GB | 40GB | Postpaid | Yes | $25.00 | Switch — $25 | ||
 | 50GB | 50GB | Postpaid | Yes | $29.00 | Switch — $25 | ||
 | 40GB 5G SIM Plan | 40GB | Postpaid | Yes | $29.00 | Switch — $25 | ||
 | Essential | 42GB | Prepaid | No | $29.90 | Visit yomojo | ||
| Essential | 42GB | Prepaid | No | $29.90 | Visit yomojo | ||
 | 40GB | 40GB | Postpaid | Yes | $30.00 | Switch — $25 | ||
 | 40GB | 40GB | Postpaid | Yes | $33.80 | Switch — $25 | ||
| 40GB | 40GB | Postpaid | Yes | $33.80 | Switch — $25 | ||
 | 40GB Mobile Plan | 40GB | Postpaid | Yes | $35.00 | Switch — $25 | ||
 | Lifestyle Mobile - Essential | 40GB | Postpaid | Yes | $35.00 | Switch — $25 | ||
 | Value 40GB | 45GB | Postpaid | Yes | $40.00 | Switch — $25 | ||
| Value 40gb | 45GB | Postpaid | Yes | $40.00 | Switch — $25 | ||
 | 40GB Data | 40GB | Postpaid | No | $55.00 | Switch — $25 | ||
 | Small Choice Plus Plan | 60GB | Postpaid | Yes | $60.00 | Switch — $25 |
Bill Hero is an independent comparison service. We are paid by subscribers and concierge fees, not by carriers or retailers.
Frequently Asked Questions
What is the cheapest 40GB mobile plan on the Optus network?▾
Small 40GB by agl at $25.00/mo is currently the cheapest 40GB plan on the Optus network. Prices are updated daily.
Should I choose postpaid or prepaid for a 40GB plan?▾
Postpaid plans typically include handset financing options and are billed monthly. Prepaid plans are pay-as-you-go — better for flexibility and no credit checks. Both are shown in the table above.
How often are mobile plan prices updated?▾
Bill Hero updates mobile plan data daily from the billhero-telco-scraper. Each row shows its last verified date.
Can I switch mobile plans without changing my number?▾
Yes. Mobile number portability (MNP) lets you keep your number when switching carriers or networks. The process usually takes 1–2 business days.
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