Cheapest 150GB Mobile Plans on Optus
The cheapest 150GB mobile plan on the Optus network is 4G 200GB Plan by circles-life at $9.90/mo.
Not sure if it's worth switching?
Forward your current broadband bill to uploads@billhero.com.au — we'll check whether a cheaper plan is available and handle the switch for a $25 success fee.
Forward your bill20 Plans — sorted by price
Showing plans with 150–225GB data on the Optus network. Postpaid and prepaid only.
| Carrier | Plan | Data | Type | 5G | $/mo | Updated | Actions | |
|---|---|---|---|---|---|---|---|---|
![]() | 4G 200GB Plan | 200GB | Postpaid | No | $9.90 | Switch — $25 | ||
![]() | 5G 200GB Plan | 200GB | Postpaid | Yes | $12.00 | Switch — $25 | ||
![]() | Circles Core | 200GB | Postpaid | Yes | $12.00 | Switch — $25 | ||
![]() | Circles Core | 200GB | Postpaid | Yes | $12.00 | Switch — $25 | ||
![]() | Circles Core | 200GB | Postpaid | Yes | $15.00 | Switch — $25 | ||
![]() | Circles Core | 200GB | Postpaid | Yes | $15.00 | Switch — $25 | ||
![]() | 365 Days Plan $149 200GB | 200GB | Prepaid | No | $16.44 | Visit catch-connect | ||
![]() | 185GB Plan | 185GB | Prepaid | No | $18.08 | Visit coles-mobile | ||
![]() | 200GB Long Expiry | 200GB | Prepaid | Yes | $22.19 | Visit amaysim | ||
![]() | 150GB Long Expiry | 150GB | Prepaid | Yes | $24.46 | Visit amaysim | ||
![]() | 300GB EOFY Save $130 | 220GB | Prepaid | Yes | $28.77 | Visit optus | ||
![]() | Large 160GB | 160GB | Postpaid | Yes | $40.00 | Switch — $25 | ||
![]() | Ultra | 220GB | Prepaid | No | $49.90 | Visit yomojo | ||
![]() | Ultra | 220GB | Prepaid | No | $49.90 | Visit yomojo | ||
![]() | 200GB | 200GB | Postpaid | Yes | $50.00 | Switch — $25 | ||
![]() | 220GB Mobile Plan | 220GB | Postpaid | Yes | $55.00 | Switch — $25 | ||
![]() | 5G Large | 150GB | Postpaid | Yes | $55.00 | Switch — $25 | ||
![]() | 220GB | 220GB | Postpaid | Yes | $55.80 | Switch — $25 | ||
![]() | 220GB | 220GB | Postpaid | Yes | $55.80 | Switch — $25 | ||
![]() | Premium 120GB | 180GB | 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 150GB mobile plan on the Optus network?▾
4G 200GB Plan by circles-life at $9.90/mo is currently the cheapest 150GB plan on the Optus network. Prices are updated daily.
Should I choose postpaid or prepaid for a 150GB 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.
AutoMonitor
Turn on AutoMonitor. Your retailers send your bills straight to your Bill Hero address; we watch every bill for savings — automatically. $49/mo. Save money without even thinking about it.
Learn about AutoMonitor











