# Best eSIM for Australia

> The cheapest eSIM plan for Australia by trip length and data use.

Page: https://esimnest.com/australia/best-esim/ · Data as of: 2026-10-14 · Prices: US dollars

127 eSIM plans work in Australia, from $0.47. This page picks the cheapest plan that covers each trip length and level of use. Prices from the eSimNest catalogue on 2026-10-14; eSimNest sells these plans.

For a week of everyday use, the cheapest eSIM plan that covers it is Australia 10GB 30Days: 10 GB for 30 days for $7.33.

For a three-day trip with light use, Australia 1GB 7Days covers it for $1.09 (1 GB for 7 days).

## The cheapest plan that covers your trip

Each cell is the cheapest plan made for Australia with enough data for the trip, as on the Australia page. Light use: about 0.3 GB a day; Everyday use: about 1.0 GB a day; Heavy use: about 2.5 GB a day.

| Trip | Light use | Everyday use | Heavy use |
| --- | --- | --- | --- |
| 3 days | [Australia 1GB 7Days](https://esimnest.com/australia/#plan-australia-1gb-7days): 1 GB for 7 days, $1.09 | [Australia 3GB 15Days](https://esimnest.com/australia/#plan-australia-3gb-15days): 3 GB for 15 days, $2.65 | [Australia 10GB 30Days](https://esimnest.com/australia/#plan-australia-10gb-30days): 10 GB for 30 days, $7.33 |
| 7 days | [Australia 3GB 15Days](https://esimnest.com/australia/#plan-australia-3gb-15days): 3 GB for 15 days, $2.65 | [Australia 10GB 30Days](https://esimnest.com/australia/#plan-australia-10gb-30days): 10 GB for 30 days, $7.33 | [Australia - 20 GB - 30 days](https://esimnest.com/australia/#plan-australia-20-gb-30-days-3): 20 GB for 30 days, $12.64 |
| 14 days | [Australia 5GB 30Days](https://esimnest.com/australia/#plan-australia-5gb-30days): 5 GB for 30 days, $4.21 | [Australia - 20 GB - 30 days](https://esimnest.com/australia/#plan-australia-20-gb-30-days-3): 20 GB for 30 days, $12.64 | [Australia 50GB 30Days](https://esimnest.com/australia/#plan-australia-50gb-30days): 50 GB for 30 days, $24.48 |
| 30 days | [Australia 10GB 30Days](https://esimnest.com/australia/#plan-australia-10gb-30days): 10 GB for 30 days, $7.33 | [Australia 50GB 30Days](https://esimnest.com/australia/#plan-australia-50gb-30days): 50 GB for 30 days, $24.48 | [Australia - Unlimited - 30 days](https://esimnest.com/australia/#plan-australia-unlimited-30-days-3): unlimited data for 30 days, $38.02 |

## The cheapest is not the only choice

### 7 days, everyday use

- Cheapest Australia plan: [Australia 10GB 30Days](https://esimnest.com/australia/#plan-australia-10gb-30days), $7.33, 10 GB for 30 days; it works only in Australia.
- Cheapest unlimited plan: [Australia 1GB/Day FUP1Mbps Unlimited](https://esimnest.com/australia/#plan-australia-1gbday-fup1mbps), $8.75, 1 GB a day for 7 days, then slower; it works only in Australia.
- Next cheapest: [Australia - 10 GB - 30 days](https://esimnest.com/australia/#plan-australia-10-gb-30-days-3), $8.11, 10 GB for 30 days; it works only in Australia.
- Next cheapest: [Australia 1GB/Day FUP1Mbps (nonhkip) Unlimited](https://esimnest.com/australia/#plan-australia-1gbday-fup1mbps-nonhkip-unlimited), $9.03, 1 GB a day for 7 days, then slower; it works only in Australia.

### 14 days, everyday use

- Cheapest Australia plan: [Australia - 20 GB - 30 days](https://esimnest.com/australia/#plan-australia-20-gb-30-days-3), $12.64, 20 GB for 30 days; it works only in Australia.
- Cheapest unlimited plan: [Australia 1GB/Day FUP1Mbps Unlimited](https://esimnest.com/australia/#plan-australia-1gbday-fup1mbps), $17.50, 1 GB a day for 14 days, then slower; it works only in Australia.
- Next cheapest: [Australia 20GB 30Days](https://esimnest.com/australia/#plan-australia-20gb-30days), $12.79, 20 GB for 30 days; it works only in Australia.
- Next cheapest: [Oceania - 20 GB - 30 days](https://esimnest.com/australia/#plan-oceania-20-gb-30-days-3), $15.44, 20 GB for 30 days; it also covers other countries in the region.

## Networks these plans use

Optus, Singtel Optus Ltd, Telstra, Vodafone

## Questions

### What is the cheapest eSIM for a week in Australia?

For a week of everyday use (about 7 GB), Australia 10GB 30Days is the cheapest plan that covers it at $7.33: 10 GB for 30 days, and it works only in Australia.

### How much data do I need in Australia?

We assume 2.1 GB for a week of light use (maps and messaging), 7 GB for everyday use (adds social media, music and some video) and 17.5 GB for heavy use with a lot of video. Your own habits decide, so the data calculator lets you change the hours.

### Is an unlimited plan worth it for two weeks in Australia?

The cheapest unlimited plan for two weeks is Australia 1GB/Day FUP1Mbps Unlimited at $17.50, against $12.64 for Australia - 20 GB - 30 days (20 GB for 30 days). Unlimited plans often slow down after a daily allowance, so read the plan details.

### Which eSIM is cheapest for a month in Australia?

For 30 days of everyday use the cheapest plan that covers it is Australia 50GB 30Days at $24.48 (50 GB for 30 days). For a longer stay, the long-stay page lists plans valid for 90 days or more.

More: [Australia travel eSIM guide](https://esimnest.com/australia/guide/), [all eSIM plans for Australia](https://esimnest.com/australia/), [data calculator](https://esimnest.com/data-calculator/?destination=australia).