Australia has good coverage in cities and along the coast, but vast outback areas have limited signal. An eSIM gets you connected instantly at Sydney or Melbourne airport.
Updated March 2026
Australia 3GB — 3 GB
Airalo offers the best value for Australia on the Optus or Vodafone AU networks. Great for city-based trips to Sydney, Melbourne, and the Gold Coast.
Get this dealSide-by-side comparison of the best eSIM deals for Australia. Sorted by price.
| Provider | Plan | Data | Validity | Price | Price/GB | Network | |
|---|---|---|---|---|---|---|---|
| Best Deal Airalo | Australia 3GB | 3 GB | 30 days | £5.00 | £1.67 | Optus / Vodafone AU | View |
| Airalo | Australia 10GB | 10 GB | 30 days | £15.00 | £1.50 | Optus / Vodafone AU | View |
| Holafly | Australia Unlimited | Unlimited | 7 days | £19.00 | N/A | Vodafone AU | View |
| Saily | Australia 5GB | 5 GB | 14 days | £8.49 | £1.70 | Optus | View |
| Ubigi | Australia 3GB | 3 GB | 30 days | £10.00 | £3.33 | Optus | View |
| MobiMatter | Australia 5GB | 5 GB | 14 days | £9.50 | £1.90 | Vodafone AU | View |
Common questions about using an eSIM in Australia.
Airalo offers the cheapest Australia eSIM at £5.00 for 3 GB with 30-day validity on the Optus or Vodafone networks.
Coverage in the Outback is very limited, regardless of provider. For Outback travel, you should consider a satellite communication device. eSIMs work well in all major cities and populated coastal areas.
Telstra has the best overall coverage in Australia, especially in rural areas. Most eSIM plans use Optus or Vodafone, which are excellent in cities but have less rural reach than Telstra.
For 2 weeks of normal tourist use in Australian cities, 5-10 GB is recommended. If you plan to use maps for road trips along the coast, lean towards 10 GB.
Yes, Uber and other ride-sharing apps work perfectly with eSIM data in Australian cities like Sydney and Melbourne.