Prices in pounds · Three prices checked 6 November 2026
Three roaming in Australia vs a travel eSIM
In Australia, Three uses its Go Roam Around the World prices. Here is what that costs for a long weekend, a week and a fortnight, next to a data-only travel eSIM for the same trip.
Foto: Dominic Kurniawan Suryaputra on Unsplash
Three vs eSIM in Australia: 3, 7 and 14 days
Three’s lowest published option in Australia for each trip length, next to a Graba SIM Australia plan with about 0.7 GB a day.
- 3 days
- 7 days
- 14 days
Three roamingGraba SIM eSIM
| Trip | Three | Graba SIM eSIM | Difference |
|---|---|---|---|
| A long weekend3 days | £12.503-day pass | £3.493GB, 30 days | The eSIM is £9.01 less |
| A week7 days | £30.007-day pass | £3.995GB, 30 days | The eSIM is £26.01 less |
| A fortnight14 days | £60.0014-day pass | £5.9910GB, 30 days | The eSIM is £54.01 less |
What’s included: Three: your UK calls, texts and up to 12 GB of your UK data. Graba SIM: data only, prepaid; your Three SIM stays in your phone for calls and texts. Graba SIM prices are live; Three prices checked 6 November 2026.
Sources: Three roaming (checked 6 November 2026). Prices change; check before you buy.
Graba SIM Australia plans: data, validity and total price
Each plan is a one-off price for one eSIM. It starts when it first connects in Australia, and hotspot use comes out of the same data.
Using your phone in Australia
- SYD Sydney
- MEL Melbourne
- BNE Brisbane
- PER Perth
- CNS Cairns
- Sydney and Melbourne
- Strong signal across both cities.
- The Great Barrier Reef
- Cairns and Port Douglas are covered; reef boat trips lose signal offshore.
- The Great Ocean Road
- Good in towns; stretches between them have gaps.
- The outback and Uluru
- Mobile coverage is limited outside towns. Carry offline maps on long drives.
- The Gold Coast and Byron Bay
- Well covered along the coast.
Networks our Australia plans use: Optus
- Outside towns, much of Australia has no mobile signal on any network. Plan long drives with offline maps.
- Long flights mean long trips: a 30-day plan suits most holidays. If you are staying on a working holiday, a local monthly plan may suit you better after the first month.
Going further with Three
- New Zealand (a combined trip to New Zealand): Three charges £8 a day (Go Roam Around the World).
What you get for the money
Three Go Roam Around the World
- £8 a day if you joined or upgraded on or after 18 December 2025; £5 a day if you joined between October 2021 and December 2025.
- Unlocks your UK calls, texts and up to 12 GB of your UK data a month.
- Three only charges on days you use your phone, but your Spend Cap has to be high enough to cover the daily charge or pass, or roaming can stop.
Graba SIM Australia eSIM
- 5 plan sizes for Australia, from 1GB, 7 days to 20GB, 30 days, each a one-off price.
- Runs on Optus in Australia, with 5G where the network offers it.
- Data only. Your Three SIM stays on for calls and texts, so bank codes still reach you in Australia.
Three in Australia: questions
How much does Three roaming cost in Australia?
£8 a day in Go Roam Around the World (£5 on plans from 2021 to 2025), or £30 for a 7-day pass. Unlocks your UK calls, texts and up to 12 GB of your UK data. For a trip, that is 3 days: £12.50 (3-day pass); 7 days: £30.00 (7-day pass); 14 days: £60.00 (14-day pass).
Is a travel eSIM cheaper than Three in Australia?
It depends on the trip. Comparing Three’s lowest published option with a Graba SIM plan of about 0.7 GB a day: 3 days, the eSIM is £9.01 less; 7 days, the eSIM is £26.01 less; 14 days, the eSIM is £54.01 less. Three’s price also includes your UK calls, texts and up to 12 GB of your UK data.
Does an Australia eSIM work in the outback?
Only where the network has signal, which is mainly in and around towns and along major highways. Large parts of the outback have no mobile coverage on any network.
Does an Australia eSIM work in New Zealand?
An Australia-only plan covers Australia. For a combined trip, check the plan’s coverage list or add a New Zealand plan.