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.
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Forward your bill17 Plans — sorted by price
Showing plans with 150–225GB data on the Optus network. Postpaid and prepaid only.
Prices validated: 25 June 2026
| Carrier | Plan | Data | Type | 5G | $/mo | Actions | |
|---|---|---|---|---|---|---|---|
 | 4G 200GB Plan | 200GB | Postpaid | No | $9.90 | Switch — $25 | |
| Circles Core | 200GB | Postpaid | Yes | $12.00 | 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 | $15.00 | Switch — $25 | |
 | 365 Days Plan $149 200GB | 200GB | Prepaid | No | $16.44 | Visit catch-connect | |
 | 240GB Data 365 Days | 210GB | Prepaid | No | $19.73 | Visit coles-mobile | |
 | 200GB 365 Day Plan | 200GB | Prepaid | Yes | $22.19 | Visit amaysim | |
| 150GB 184 Day Plan | 150GB | Prepaid | Yes | $24.46 | Visit amaysim | |
 | Ultra | 220GB | Prepaid | No | $49.90 | Visit yomojo | |
| Ultra | 220GB | Prepaid | No | $49.90 | Visit yomojo | |
 | 200GB SIM Only Plan | 200GB | Postpaid | Yes | $50.00 | 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 | |
 | Lifestyle Mobile - Premium | 220GB | Postpaid | Yes | $60.00 | 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 checks mobile plan data daily. All plans shown were validated within the last 24 hours. See the "Prices validated" date above the table for the most recent check.
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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