Australia eSIM — Optus 5G Travel Data Plan
1GB / 7 days
$3.90
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Australia eSIM — Optus 5G Travel Data Plan
$3.90
Sydney, Melbourne and the drives in between. One Optus 5G eSIM, installed before you fly.
| Plan | Validity | Price |
|---|---|---|
| 1GB | 7 days | $3.90 |
| 3GB | 30 days | $5.90 |
| 5GB | 30 days | $8.90 |
| 10GB | 30 days | $12.90 |
| 20GB | 30 days | $19.90 |
Which plan?
- 1GB / 7 days: a short stopover, maps and messaging
- 3GB / 30 days: light use (maps, messaging, email)
- 5GB / 30 days: a two-city trip (Sydney and Melbourne), maps, ride-share, some video
- 10GB / 30 days: frequent video, social media, hotspot
- 20GB / 30 days: long stays, remote work, heavy hotspot use
- Networks: Optus 5G
- 4G/LTE and 5G where the local network supports it
- Hotspot and tethering supported
- Validity starts on first connection in Australia, not at purchase
- Data only — no phone number, no calls, no SMS
- Install now, travel later — usable for 180 days after purchase
Requires an eSIM-compatible, carrier-unlocked device. Check the Device Compatibility page before buying, and see the Fair Usage Policy for how the allowance is measured.
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Delivered in minutes
QR code by email, right after payment
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180-day refund
Full refund if you never install it
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Keep your number
Your own SIM stays in the phone
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Data only
No calls or SMS — apps work as usual
Australia travel data eSIM
What is an Australia eSIM?
An Australia eSIM lets you stay connected while you explore the continent’s vast deserts, tropical coasts and bustling cities. After a quick QR‑code setup before you depart, you’ll have a data‑only plan that activates the moment you first connect in Australia, letting you navigate, book tours, and share your journey without swapping physical SIM cards.
In Australia the eSIM links to the Optus 5G network, so your data routes through the operator you select. The plan’s data allowance counts from the first connection, and you can use it for maps, streaming, and online bookings throughout your stay.
Operators on this planOptus 5G
No physical SIM card100% digital, delivered as a QR code
4G/LTE and 5GWhere the local network supports it
Keep your home numberData only: calls and texts stay on your own SIM
Fixed price, no surprisesPaid up front, no meter running
Local networks
Which networks you connect to in Australia
When you arrive, the eSIM connects to Optus 5G. Coverage and speed depend on your exact location and the operator available there.
Optus 5G
5 plans are available for Australia, from $3.90 up to $19.90. Every plan is data only, delivered by QR code, and starts counting when you connect on arrival.
SydneyMelbourneBrisbanePerthOne plan for all of Australia, starting on first connection.
Good to know
Staying connected in Australia: practical tips
Coastal road tripsUse mobile maps and fuel‑price apps while driving along the Great Ocean Road or the Pacific Coast to find the best stops and scenic lookouts.
Urban public transportDownload city transit apps for real‑time train and tram schedules in Sydney and Melbourne, making it easy to navigate busy commuter networks.
Island excursionsAccess ferry timetables and booking platforms when traveling to Tasmania or the Whitsunday Islands, ensuring smooth connections and seat reservations.
Four simple steps to use CometSIM
From checking your phone to landing online — the whole thing takes about two minutes, and you do most of it before you fly.
Step 1
Compatibility
Make sure your phone works with eSIM. It takes ten seconds — just dial a code and check.
Check compatibility
Step 2
Destination
Choose your country and the data plan that fits your trip. Prices are in USD, no surprises.
See all destinations
Step 3
Install your eSIM
Scan the QR code we email you. Install it at home on Wi-Fi — ready in a couple of minutes.
Setup guide
Step 4
Land & connect
Switch it on when you arrive. Your data starts on arrival, and your own number stays exactly where it is.
You’re online
Complete your trip
Add VPN
Add CometSIM VPN to your trip
Stay safe on hotel and airport Wi-Fi and reach home content. Your eSIM carries the data, the VPN protects it.
Questions people actually ask
If yours is not here, write to us — we answer within 24 hours.
Which operators does the Australia eSIM use and what does that mean for a traveller?
The eSIM works with Optus 5G. This gives you access to the services that carrier provides in Australia, letting you use data for navigation, bookings and communication while you’re on the ground.
Does this eSIM use Telstra or Vodafone?
No. The Australia eSIM connects to Optus 5G only. Telstra and Vodafone networks are not part of this plan, so check Optus coverage for the areas you plan to visit.
Which plan size suits a trip to Sydney and Melbourne?
As a rough guide, a 5 GB or 10 GB 30‑day plan often fits a two‑city visit, giving enough data for maps, ride‑share apps and occasional streaming without excessive surplus.
Will I lose my own phone number?
No. Your physical SIM stays in the phone and keeps your number for calls and WhatsApp. The eSIM only carries data, so both work side by side.
When does my plan start counting down?
When the eSIM first connects to a network at your destination — not when you buy it. So you can install it days before you fly without losing any time.
Is my phone compatible?
Most phones from 2018 onwards are: iPhone XS and later, Google Pixel 3 and later, Samsung Galaxy S20 and later. Your phone also has to be carrier-unlocked. Dial *#06# — if an EID appears, you have eSIM. Full list on our Device Compatibility page.
How fast will I get my QR code?
Usually within a couple of minutes of payment, by email. If it has not arrived, check spam first, then write to us and we will resend it immediately.
Can I use hotspot or tethering?
Yes, on every plan we sell. Share the connection with a laptop, a tablet or the rest of your group.
What if I change my mind?
If you have not installed the eSIM, you get a full refund within 180 days. Once a profile is activated and data has been used it cannot be refunded — the allowance is consumed from the network. Full detail in our Refund Policy.
Do you sell plans for groups?
Yes. For Umrah and Hajj groups, student trips and tour operators we deliver the QR codes as a single batch before departure, at group rates. Email us with your group size and destination.