Black Friday: lower prices in 102 destinations· ends Dec 1See the deals →
Popular countries
Travel eSIMs

Telstra and Optus 4G/5G — Sydney, Melbourne, Brisbane, and the Outback.
Plans from US$1.99
7 days
15 days
30 days
180 days
Compare data and validity. Buy in a few taps — no account required.
After payment your QR code is shown here and emailed to you. One tap installs the eSIM.
When you arrive, your phone connects to the local network automatically.
6 min read
Telstra has Australia's widest coverage — the network that holds on road trips and in regional areas where Optus drops. Telstra wholesales to no travel eSIM brand, so an eSIM means Optus — 20 GB for about US$20. Coverage and price comparison for 2026.
Read guide →18 min read
The one Australia travel guide that actually explains ETA (subclass 601) vs eVisitor (subclass 651) vs the NZ SCV, which city uses Opal vs Myki vs Go card, driving on the left, the 10% GST + TRS refund at the airport, and the Aussie slang that'll fool nobody but earn a smile.
Read guide →9 min read
QDo any travel eSIMs ride Telstra in Australia?
ANo major travel eSIM brand rides Telstra — it does not wholesale to them. YonoSIM and Airalo both route through Optus and both publish that; Saily, Holafly, and Nomad do not disclose their Australian carrier. Optus is strong across Sydney, Melbourne, Brisbane, and the east coast. If your trip goes deep into the Outback, budget for a prepaid Telstra SIM on arrival as well — that is the honest answer.
Explore our regional and global eSIMs — packages start from the shown price and include coverage for the selected location.
Wi-Fi Calling lets your Australian number ring and text over Wi-Fi anywhere overseas — but rules differ by network, and Telstra and Optus each price roaming very differently. What to check for Telstra, Optus, Vodafone AU, Boost, Belong, ALDImobile, Woolworths, Coles, amaysim, Kogan and felix before you fly, plus the eSIM that handles your data in Bali, Thailand, Japan and beyond.
QWhich Australian carrier has the best coverage for tourists?
ATelstra has the widest coverage in Australia and is the safer choice once you leave the big cities for road trips or regional areas. Optus works well in Sydney, Melbourne, and Brisbane and along popular coastal routes. For the Outback or national parks, choose a Optus-backed eSIM.
QHow much data do I need for two weeks in Australia?
AAustralia is spread out, so two weeks of maps, navigation, and social usually fits a 20 GB plan, which runs about US$20. A shorter city trip suits 10 GB; heavy hotspot users should size up further.
QIs 5G available in Australia in 2026?
AYes — 5G is enabled in Sydney, Melbourne, Brisbane, and Perth, while 4G dominates rural and remote regions. A travel eSIM on Optus delivers 5G in those cities where the network supports it.
QShould I get a SIM at the airport or an eSIM before I fly?
AAn eSIM is faster and cheaper for most visitors. Install and activate it on Wi-Fi before departure and data is live the moment you land — no airport queues, no roaming bill of US$10–15/day.
| Plan size | Market median | YonoSIM | YonoSIM vs median |
|---|---|---|---|
| 1 GB or more, 7+ days | US$3.33 | US$1.99 | 40% less |
| 5 GB or more, 7+ days | US$8.99 | US$6.99 | 22% less |
| 10 GB or more, 7+ days | US$11.99 | US$10.99 | 8% less |
Market median is the middle price of the cheapest qualifying plan from each of 65 providers selling Australia data, from the Find Your eSIM eSIM Price Index (CC BY 4.0), week of 2 November 2026. YonoSIM is our regular price that week for the cheapest single-country plan in each size, before any sale or coupon. List prices only; regional plans count toward every country they cover.
4.8 average from 65 reviews
Data excellent. SMS would have been good :)Easy to install. Great signal great service, great price. Fabulous!!Good as isEverything worked very well. Even we have some restrictions about Esim registration in Turkiye, I could able to use it as soon as I landed in Denmark. And I got all the questions answered in a few minutes. I’ll be using it again and again for sure!설치가 간편하고 빠른 속도와 안정된 접속으로 여행 기간 동안 잘 사용 했어요.Worked well, stable fast. recommendationTelstra has Australia's widest coverage and wholesales to no travel eSIM, so our Australia plan rides Optus, which is strong across Sydney, Melbourne, Brisbane and the east coast but drops in regional areas where Telstra holds. 5 GB does a city break and 20 GB two weeks of east-coast touring; if the trip goes deep into the Outback, budget for a prepaid Telstra SIM on arrival as well.
Our Australia plans run on Optus and Telstra with 5G where the network has it. 45 plans, hotspot allowed on every one, activation within 180 days of purchase.
Full comparison with networks, prices by trip length and the brands we tested: Best eSIM for Australia 2026: Telstra vs Optus 5G (Sydney, Outback)
Regular prices, live from our catalogue; every plan below is one you can buy today. Plans ride Optus (5G) and Telstra (5G).
| Data | Price | Per GB | Validity |
|---|---|---|---|
| 1 GB | US$1.99 | US$1.99/GB | 7 days |
| 3 GB | US$3.99 | US$1.33/GB | 15 days |
| 5 GB | US$6.99 | US$1.40/GB | 30 days |
| 10 GB | US$10.99 | US$1.10/GB | 30 days |
| 20 GB | US$19.99 | US$1/GB | 30 days |
Compare against Airalo, Nomad and Saily — prices checked August 2026 →