Cheapest 80GB Mobile Plans — Any Network

The cheapest 80GB mobile plan across all networks is Prepaid Plus $180 by vodafone at $14.79/mo.

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20 Plans — sorted by price

Showing plans with 80–120GB data across all networks. Postpaid and prepaid only.

Prices validated: 14 Oct 2026

CarrierPlanDataType5GeSIM$/moActions
vodafone
Prepaid Plus $180100GBPrepaidYesYes$14.79
Visit vodafone
telstra
$200 Pre-Paid Mobile Plan80GBPrepaidNoYes$16.44
Visit telstra
tangerine
100GB100GBPostpaidYesYes$24.00
Switch — $25
tangerine
100GB Mobile100GBPostpaidYesYes$24.00
Switch — $25
optus
180GB Prepaid100GBPrepaidYesYes$32.26
Visit optus
southern-phone
80GB 5G SIM Plan80GBPostpaidYes—$34.00
Switch — $25
yomojo
Pro105GBPrepaidNoYes$34.90
Visit yomojo
spintel
100GB SIM Only100GBPostpaidYesYes$35.00
Switch — $25
agl
Medium 80GB80GBPostpaidYesYes$35.00
Switch — $25
ezee-mobile
EZEE Everyday80GBPrepaidYesYes$39.00
Visit ezee-mobile
swoop
120GB SIM Only120GBPostpaidYesYes$40.00
Switch — $25
dodo
80GB80GBPostpaidYesYes$40.00
Switch — $25
moose-mobile
100GB100GBPostpaidYes—$40.00
Switch — $25
kogan-mobile
Large Monthly80GBPrepaidYesYes$40.00
Visit kogan-mobile
amaysim
80GB 28 Day SIM Plan80GBPrepaidYesYes$42.86
Visit amaysim
lycamobile
LycaPlan M120GBPrepaidYesYes$42.86
Visit lycamobile
iinet
Large Plan100GBPostpaidYesYes$45.00
Switch — $25
woolworths-mobile
Everyday Mobile 5G SIM Only 110GB110GBPostpaidYesYes$45.00
Switch — $25
iprimus
5G Medium100GBPostpaidYes—$45.00
Switch — $25
ezee-mobile
EZEE Extra100GBPrepaidYesYes$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?▾
Prepaid Plus $180 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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