Optus coupon codes and discounts: Up to $250 back (October 2026)
You can access Optus cashback offers and discounts across several services, including prepaid and postpaid SIM-only plans, NBN plans and devices. Here's a rundown of what's up for grabs.
We have all the major Optus deals listed in this guide.
Plus, right now, when you sign up for an eligible postpaid SIM, NBN, home internet or phone plan through Finder, you'll get a Finder Reward in the form of a Visa gift card worth up to $250.
While there aren't any coupon codes available this month, these deals offer the same bang for your buck (if not more).
Optus Finder Rewards and discounts for October 2026
Optus discounts on prepaid SIMs
Optus is running bonus data offers on most of its month-to-month and long-expiry prepaid plans.
There are also a couple of discounts. For example, its $39 28-day expiry plan will cost you just $13 on activation.
You will also receive 45GB on each of the first 3 recharges before the allowance drops down to 25GB ongoing.
Optus discounts on postpaid SIM plans
Optus is offering a $10 a month discount on its 360GB Promo plan for the first year. You'll pay $69 a month for the first 12 months, then $79 ongoing.
If you don't need as much data, Optus's Small Promo plan drops from $60 to $39 a month for the first 12 months, with 100GB instead of the usual 60GB. After 12 months, the price returns to $60 and data drops back to 60GB.
All plans include up to 10% off eligible SubHub subscriptions, while Promo and Large plans also come with $10 or $20 a month in SubHub credit to spend on services like Netflix and Amazon Prime.
Regardless of what postpaid SIM plan you choose, you'll get a $100 reward when you sign up through Finder.
Optus discounts on phone plans
Optus is running device offers across popular phone brands, including Samsung, Google and Apple.
Order Apple's new iPhone 18 Pro or Pro Max and save up to $780 when you pair it with an eligible 24- or 36-month repayment plan.
Get up to $600 off the Galaxy S26 Ultra and Galaxy Z Fold 8 when you sign up on a 12-, 24- or 36-month phone repayment plan.
You can also get a half price discount on the Galaxy S26 FE on 24- or 36-month plans.
For Google phones, you can save $500 on the Pixel 11 and Pixel 11 Pro when you pair it with an eligible 12-, 24- or 36-month repayment plan.
The Pixel 10a is also discounted by $300 when you sign up on a 24- or 36-month plans.
Plus, you can get a $200 reward when you sign up to an Optus phone repayment plan through Finder.
Optus NBN and home internet discounts
Optus NBN and 5G home internet plans come with $15 off each month for your first 12 months, saving you $180 in total.
You can also get a $250 gift card on NBN plans or a $200 gift card on 5G home internet plans when you sign up through Finder.
UPDATED 1 OCTOBER 2026: We updated the availability of multiple Finder Reward offers.
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