Prices shown are in AUD and may vary. Check the latest prices at travelren.com.
Cheapest Way to Use Your Phone Overseas from Australia (2026)
Using your phone overseas should not cost hundreds of dollars. But if you just turn on roaming with your Australian carrier, it will. A two week trip on Telstra roaming can cost $140 to $280 depending on where you go.
There are five realistic ways to stay connected overseas. This guide ranks them from cheapest to most expensive so you can pick the right option before you fly.
The five options at a glance
| Option | Cost (14 days) | Effort | Reliability |
|---|---|---|---|
| Wi-Fi only | $0 | None | Low |
| Travel eSIM | $5 to $27 | Low | High |
| Local SIM card | $10 to $30 | Medium | High |
| Pocket Wi-Fi | $112 to $210 | Medium | Medium |
| Carrier roaming | $70 to $280 | None | High |
Option 1: Wi-Fi only ($0)
The free option. Connect to Wi-Fi at hotels, cafes, and airports. Pay nothing.
The catch: You have no connectivity between Wi-Fi spots. No Google Maps while walking, no Grab or Uber in transit, no WhatsApp until you reach the next cafe. In many countries, free Wi-Fi is slow, unreliable, or requires registration with a local phone number you do not have.
Short resort holidays where you stay in one place, trips where you genuinely want to disconnect, or as a backup alongside another option.
Best for: People who do not need constant connectivity and are comfortable navigating without Google Maps.
Option 2: Travel eSIM ($5 to $27 for 14 days)
A travel eSIM is a digital SIM you install on your phone before you fly. It connects you to local networks at local rates. You buy a data plan, scan a QR code, and it activates when you land.
Why it is the best value:
- One flat payment covers your entire trip. No daily fees
- Plans start from $4 AUD for short trips
- You keep your Australian number active on your physical SIM for calls and texts
- No shop visits, no passport scans, no SIM swapping
- Set up takes 5 minutes before you leave home
| Destination | eSIM (14 days) | Carrier roaming (14 days) |
|---|---|---|
| Japan | ~$7 | $140 (Telstra) |
| Bali | ~$16 | $280 (Telstra) |
| Europe | ~$11 | $140 (Telstra) |
| Thailand | ~$5 | $140 (Telstra) |
| USA | ~$10 | $140 (Telstra) |
eSIM prices are approximate. Check travelren.com for current pricing.
Best for: Most Australian travellers. Works with any trip length, any destination, and you set it up before you leave.
Option 3: Local SIM card ($10 to $30)
Buy a prepaid SIM when you arrive. Pricing is similar to an eSIM, and in some countries it is slightly cheaper.
The downsides:
- You need to find a shop at the airport or in the city (not always obvious)
- Many countries require passport registration, which takes time
- You swap out your Australian SIM, which means you lose your number while travelling
- Some airports charge tourist premiums for SIM cards
- If you visit multiple countries, you may need a new SIM in each one
Best for: Travellers visiting one country for an extended period, people with older phones that do not support eSIM, or budget travellers comfortable with the extra effort.
Option 4: Pocket Wi-Fi ($8 to $15/day)
A pocket Wi-Fi is a portable hotspot device that connects to local mobile networks and creates a personal Wi-Fi network. You rent or buy the device and pay for a data plan.
The downsides:
- Costs $8 to $15 per day, adding up to $112 to $210 for two weeks
- Another device to charge every night
- Another device to carry and potentially lose
- Needs to be returned if rented (often at the airport)
- Connection can be unreliable in rural areas
Best for: Groups sharing one connection (splits the cost), people who need to connect a laptop and phone simultaneously, or areas where eSIM coverage is limited.
Option 5: Carrier roaming ($5 to $20/day)
The easiest and most expensive option. Just turn on roaming and your Australian carrier handles everything.
| Carrier | Daily rate | 14 day cost |
|---|---|---|
| Vodafone | $5/day (limited countries) | $70 |
| Telstra Zone 1 | $10/day | $140 |
| Optus Travel Plus | $10/day | $140 |
| Telstra Zone 2 | $20/day | $280 |
Best for: Very short trips (one or two days), people who need zero setup, or situations where you must make and receive calls on your Australian number.
Our recommendation
For the vast majority of Australian travellers, a travel eSIM offers the best balance of price, convenience, and reliability. You set it up in 5 minutes at home, pay once, and have data from the moment you land. No daily fees, no shop visits, no extra devices.
If your phone does not support eSIM, a local SIM card is the next best option. Only use carrier roaming for trips of one to two days where the convenience outweighs the cost.
Get a travel eSIM from ~$4 AUD
One payment. Instant delivery. Data from the moment you land.
Browse eSIM plans