Cheapest 40GB Mobile Plans on Telstra
The cheapest 40GB mobile plan on the Telstra network is 50GB by tangerine at $18.00/mo.
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Forward your bill15 Plans — sorted by price
Showing plans with 40–60GB data on the Telstra network. Postpaid and prepaid only.
Prices validated: 16 Aug 2026
| Carrier | Plan | Data | Type | 5G | eSIM | $/mo | Actions | |
|---|---|---|---|---|---|---|---|---|
 | 50GB | 50GB | Postpaid | Yes | Yes | $18.00 | Switch — $25 | |
| 50GB Mobile | 50GB | Postpaid | Yes | Yes | $18.00 | Switch — $25 | |
 | Blue $35 | 40GB | Postpaid | Yes | Yes | $35.00 | Switch — $25 | |
 | Prepaid 30 Days 50GB | 50GB | Prepaid | Yes | Yes | $35.00 | Visit woolworths-mobile | |
| 50GB | 50GB | Postpaid | No | Yes | $36.00 | Switch — $25 | |
 | Better Mates | 45GB | Postpaid | Yes | Yes | $38.00 | Switch — $25 | |
 | 50GB SIM Only Plan | 50GB | Postpaid | Yes | Yes | $40.00 | Switch — $25 | |
| Best Mates | 60GB | Postpaid | Yes | Yes | $42.00 | Switch — $25 | |
 | Occom Mobile 50GB | 50GB | Postpaid | No | Yes | $42.00 | Switch — $25 | |
 | Easy Mobile 40 | 40GB | Postpaid | Yes | — | $45.00 | Switch — $25 | |
 | 75GB 28 Day Plan | 45GB | Prepaid | Yes | Yes | $52.50 | Visit boost-mobile | |
 | $55 5G Family Plan | 50GB | Prepaid | Yes | Yes | $55.00 | Visit aldi-mobile | |
| 105GB 28 Day Plan | 55GB | Prepaid | Yes | Yes | $63.21 | Visit boost-mobile | |
 | $64 Pre-Paid Mobile Plan | 45GB | Prepaid | No | Yes | $68.57 | Visit telstra | |
| Basic | 50GB | Postpaid | Yes | Yes | $74.00 | 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 40GB mobile plan on the Telstra network?▾
50GB by tangerine at $18.00/mo is currently the cheapest 40GB plan on the Telstra network. Prices are updated daily.
Should I choose postpaid or prepaid for a 40GB 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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