Cheapest 80GB Mobile Plans on Telstra
The cheapest 80GB mobile plan on the Telstra network is $200 Pre-Paid Mobile Plan Sale by telstra at $16.44/mo.
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Forward your bill20 Plans — sorted by price
Showing plans with 80–120GB data on the Telstra network. Postpaid and prepaid only.
Prices validated: 4 Sept 2026
| Carrier | Plan | Data | Type | 5G | eSIM | $/mo | Actions | |
|---|---|---|---|---|---|---|---|---|
 | $200 Pre-Paid Mobile Plan Sale | 80GB | Prepaid | No | Yes | $16.44 | Visit telstra | |
 | 100GB | 100GB | Postpaid | Yes | Yes | $24.00 | Switch — $25 | |
| 100GB Mobile | 100GB | Postpaid | Yes | Yes | $24.00 | Switch — $25 | |
 | 160GB 6 Month Plan | 100GB | Prepaid | Yes | Yes | $29.03 | Visit boost-mobile | |
 | 5G SIM Only 110GB | 110GB | Postpaid | Yes | Yes | $45.00 | Switch — $25 | |
| Everyday Mobile 5G SIM Only 110GB | 110GB | Postpaid | Yes | Yes | $45.00 | Switch — $25 | |
 | Blue $45 | 100GB | Postpaid | Yes | Yes | $45.00 | Switch — $25 | |
| Blue 100GB | 100GB | Postpaid | Yes | Yes | $45.00 | Switch — $25 | |
 | 100GB | 100GB | Prepaid | Yes | Yes | $45.00 | Visit ezee-mobile | |
| 100GB | 100GB | Postpaid | No | Yes | $48.00 | Switch — $25 | |
 | 100GB SIM only plan | 100GB | Postpaid | Yes | Yes | $49.00 | Switch — $25 | |
 | $49 5G Mobile Plan | 120GB | Prepaid | Yes | Yes | $49.00 | Visit aldi-mobile | |
| SIM Only 110GB | 110GB | Postpaid | Yes | Yes | $50.00 | Switch — $25 | |
 | 100GB | 100GB | Postpaid | Yes | Yes | $52.00 | Switch — $25 | |
| Blue 120GB | 120GB | Postpaid | Yes | Yes | $55.00 | Switch — $25 | |
| Blue $55 | 120GB | Postpaid | Yes | Yes | $55.00 | Switch — $25 | |
 | Easy Mobile 100 | 100GB | Postpaid | Yes | — | $60.00 | Switch — $25 | |
| Easy Mobile 120 | 120GB | Postpaid | Yes | — | $70.00 | Switch — $25 | |
| $74 Pre-Paid Mobile Plan | 80GB | Prepaid | No | Yes | $79.29 | Visit telstra | |
| 150GB 28 Day Plan | 100GB | Prepaid | Yes | Yes | $79.29 | 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 80GB mobile plan on the Telstra network?▾
$200 Pre-Paid Mobile Plan Sale by telstra at $16.44/mo is currently the cheapest 80GB plan on the Telstra network. Prices are updated daily.
Should I choose postpaid or prepaid for a 80GB 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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