Cheapest 5GB Mobile Plans — Any Network
The cheapest 5GB mobile plan across all networks is Red $16.90 by cmobile at $16.90/mo.
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Forward your bill9 Plans — sorted by price
Showing plans with 5–8GB data across all networks. Postpaid and prepaid only.
| Carrier | Plan | Data | Type | 5G | $/mo | Updated | Actions | |
|---|---|---|---|---|---|---|---|---|
 | Red $16.90 | 5GB | Postpaid | No | $16.90 | Switch — $25 | ||
 | 5GB | 5GB | Postpaid | Yes | $18.00 | Switch — $25 | ||
 | 5GB | 5GB | Prepaid | Yes | $55.71 | Visit optus | ||
 | $13 Prepaid Plus | 5GB | Prepaid | Yes | $55.71 | Visit vodafone | ||
 | 7 Day 8GB eSIM | 6GB | Prepaid | Yes | $60.00 | Visit boost-mobile | ||
 | $15 Pre-Paid Mobile Plan EOFY Sale | 6GB | Prepaid | No | $64.29 | Visit telstra | ||
| $15 Pre-Paid Mobile Plan EOFY Sale | 6GB | Prepaid | No | $64.29 | Visit telstra | ||
| International Roaming Large | 7GB | Prepaid | No | $85.71 | Visit boost-mobile | ||
| International Roaming Medium | 5GB | Prepaid | No | $128.57 | Visit boost-mobile |
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 5GB mobile plan across all networks?▾
Red $16.90 by cmobile at $16.90/mo is currently the cheapest 5GB plan across all networks. Prices are updated daily.
Should I choose postpaid or prepaid for a 5GB 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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