Mobile · Telstra
Telstra 300GB: $99/mo
$99 a month for 300GB on the Telstra network, a postpaid SIM-only plan billed month to month. Ranked 3 of 3 tracked mobile plans with at least 300GB per 30 days on price per 30 days.
In one line
Telstra 300GB costs $99 a month for 300GB on the Telstra network, a postpaid SIM-only plan billed month to month, read on Telstra's page 2026-11-08; it ranks 3 of 3 tracked mobile plans with at least 300GB per 30 days on price, the cheapest being Vodafone 420GB at $78 a month ongoing ($55 a month for the first 12 months).
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Tap one to begin. One more question, what you pay, then every SIM-only plan with at least that data, cheapest first. Open the check
Every plan with at least 300GB per 30 days, Telstra highlighted
3 plans, cheapest per 30 days first. Every row links its page and hands off to the page its price was read from.
| Brand | Plan | Data | Price | Per 30 days | Intro | Network | Read | |
|---|---|---|---|---|---|---|---|---|
| Vodafone | 420GB | 420GB | $78/mo | $78 | $55/mo for 12 months | Vodafone | 2026-11-08 | Go to Vodafone |
| Optus | 480GB | 480GB | $90/mo | $90 | none stated | Optus | 2026-11-08 | Go to Optus |
| Telstra | 300GB | 300GB | $99/mo | $99 | none stated | Telstra | 2026-11-08 | Go to Telstra |
Related plans
The brand's page, the comparison this plan is ranked in, and the plans most like it. Every price on them is read from the same data as this page.
Advertised price including GST, read from Telstra's own page on 2026-11-08 and re-read every hour; the hand-off goes to that page. Coverage at your address is the carrier's to confirm. Every Telstra plan · Check your bill · How this is collected