Cheapest 80GB Mobile Plans — Any Network
The cheapest 80GB mobile plan across all networks is Vodafone $180 Prepaid Plus by vodafone at $14.79/mo.
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Forward your bill20 Plans — sorted by price
Showing plans with 80–120GB data across all networks. Postpaid and prepaid only.
Prices validated: 24 Sept 2026
| Carrier | Plan | Data | Type | 5G | eSIM | $/mo | Actions | |
|---|---|---|---|---|---|---|---|---|
 | Vodafone $180 Prepaid Plus | 100GB | Prepaid | Yes | Yes | $14.79 | Visit vodafone | |
 | $200 Pre-Paid Mobile Plan | 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 | |
 | Optus Flex Plus 140GB | 90GB | Prepaid | Yes | Yes | $32.26 | Visit optus | |
 | 80GB 5G SIM Plan | 80GB | Postpaid | Yes | — | $34.00 | Switch — $25 | |
 | Pro | 105GB | Prepaid | No | Yes | $34.90 | Visit yomojo | |
 | 100GB SIM Only | 100GB | Postpaid | Yes | Yes | $35.00 | Switch — $25 | |
 | 100GB | 100GB | Postpaid | Yes | Yes | $39.80 | Switch — $25 | |
 | 100GB SIM Only | 100GB | Postpaid | Yes | Yes | $39.90 | Switch — $25 | |
 | 80GB | 80GB | Postpaid | Yes | Yes | $40.00 | Switch — $25 | |
 | Large (Monthly) | 80GB | Prepaid | Yes | Yes | $40.00 | Visit kogan-mobile | |
 | LycaPlan M | 120GB | Prepaid | Yes | Yes | $42.86 | Visit lycamobile | |
 | 80GB 28 Day SIM Plan | 80GB | Prepaid | Yes | Yes | $42.86 | Visit amaysim | |
 | Everyday Mobile 5G SIM Only 110GB | 110GB | Postpaid | Yes | Yes | $45.00 | Switch — $25 | |
 | Large Plan | 100GB | Postpaid | Yes | Yes | $45.00 | Switch — $25 | |
 | Medium 80GB | 80GB | Postpaid | Yes | Yes | $45.00 | Switch — $25 | |
 | C Blue 100GB | 100GB | Postpaid | Yes | Yes | $45.00 | Switch — $25 | |
 | 5G Medium | 100GB | Postpaid | Yes | — | $45.00 | Switch — $25 | |
 | 100GB Plan | 100GB | Prepaid | Yes | Yes | $45.00 | Visit ezee-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 across all networks?▾
Vodafone $180 Prepaid Plus by vodafone at $14.79/mo is currently the cheapest 80GB plan across all networks. 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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