Cheapest 80GB Mobile Plans on Telstra
The cheapest 80GB mobile plan on the Telstra network is 100GB by tangerine at $24.00/mo.
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Forward your bill18 Plans — sorted by price
Showing plans with 80–120GB data on the Telstra network. Postpaid and prepaid only.
Prices validated: 25 June 2026
| Carrier | Plan | Data | Type | 5G | $/mo | Actions | |
|---|---|---|---|---|---|---|---|
 | 100GB | 100GB | Postpaid | Yes | $24.00 | Switch — $25 | |
| 100GB Mobile | 100GB | Postpaid | Yes | $24.00 | Switch — $25 | |
| 100GB | 100GB | Postpaid | No | $24.00 | Switch — $25 | |
 | $180 Prepaid SIM | 100GB | Prepaid | Yes | $29.03 | Visit boost-mobile | |
| $180 Prepaid SIM | 100GB | Prepaid | Yes | $29.03 | Visit boost-mobile | |
| Boost Mobile 6 Month 160GB | 100GB | Prepaid | Yes | $29.03 | Visit boost-mobile | |
 | $200 Pre-Paid Mobile Plan | 80GB | Prepaid | No | $33.33 | Visit telstra | |
 | Blue $45 | 100GB | Postpaid | Yes | $45.00 | Switch — $25 | |
 | 100GB Prepaid Plan | 100GB | Prepaid | Yes | $45.00 | Visit ezee-mobile | |
| 100GB | 100GB | Postpaid | No | $48.00 | Switch — $25 | |
 | $49 5G Mobile Plan | 120GB | Prepaid | Yes | $49.00 | Visit aldi-mobile | |
 | 5G SIM Only 110GB | 110GB | Prepaid | Yes | $50.00 | Visit woolworths-mobile | |
| Blue $55 | 120GB | Postpaid | 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 | |
| Boost Mobile 28 Day 160GB (eSIM) | 100GB | Prepaid | Yes | $79.29 | Visit boost-mobile | |
| $74 Pre-Paid Mobile Plan 28 Day | 80GB | Prepaid | No | $79.29 | Visit telstra | |
| $95 5G Family Plan | 100GB | Prepaid | Yes | $95.00 | Visit aldi-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?▾
100GB by tangerine at $24.00/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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