Optus international roaming: what it costs
Prices checked 14 Nov 2026 by Steve
How much does Optus roaming cost?
Optus's cheapest roaming add-on we found is Optus Daily Roaming at A$5.00 a day (5 GB/day), checked 14 Nov 2026. For 14 days in Europe at medium use (1 GB a day) that's about A$70.00. The cheapest travel eSIM for the same trip is ≈ A$41.25.
Optus roaming offers
| Offer | Price | Data | Validity | Destinations covered | Last checked |
|---|---|---|---|---|---|
| Optus Daily Roaming | A$5.00 | 5 GB/day | Per day | Japan, Europe, Bali, New Zealand, Vietnam, Thailand, China, Singapore, Philippines, Fiji, South Korea | 14 Nov 2026 · source |
| $10 Roaming Pass | A$10.00 | 1 GB/day | Per day | Japan, Europe, Bali, New Zealand, Vietnam, Thailand, China, Singapore, Philippines, Fiji, South Korea | 14 Nov 2026 · source |
Optus roaming cost by destination
Medium use (1 GB a day). The eSIM column is the cheapest plan, or pair of plans, covering the same days and data.
| Destination | Optus 7 days | Optus 14 days | Cheapest eSIM, 14 days | Difference, 14 days | Links |
|---|---|---|---|---|---|
| Japan | A$35.00 | A$70.00 | A$33.47 | eSIM saves A$36.53 | Calculator |
| Bali | A$35.00 | A$70.00 | ≈ A$41.25 | eSIM saves ≈ A$28.75 | Calculator |
| Europe | A$35.00 | A$70.00 | ≈ A$41.25 | eSIM saves ≈ A$28.75 | Calculator |
| China | A$35.00 | A$70.00 | A$32.01 | eSIM saves A$37.99 | Calculator |
| Fiji | A$35.00 | A$70.00 | ≈ A$41.25 | eSIM saves ≈ A$28.75 | Calculator |
| New Zealand | A$35.00 | A$70.00 | A$40.74 | eSIM saves A$29.26 | Calculator |
| Philippines | A$35.00 | A$70.00 | A$39.28 | eSIM saves A$30.72 | Calculator |
| Singapore | A$35.00 | A$70.00 | A$30.55 | eSIM saves A$39.45 | Calculator |
| South Korea | A$35.00 | A$70.00 | A$35.55 | eSIM saves A$34.45 | Calculator |
| Thailand | A$35.00 | A$70.00 | A$25.05 | eSIM saves A$44.95 | Calculator |
| Vietnam | A$35.00 | A$70.00 | A$31.55 | eSIM saves A$38.45 | Calculator |
Keep your Optus number and use an eSIM for data
- Check your phone supports eSIM and dual SIM (most recent iPhones and Android phones do).
- Install the travel eSIM at home on Wi-Fi before you fly.
- Keep your Australian SIM switched on for calls and SMS codes, such as bank and login codes.
- In your phone's mobile settings, set the eSIM as the data line.
- Turn data roaming off on your Optus line, and on for the eSIM when you land.
How to avoid bill shock
- Turn off data roaming on your Australian line before you board.
- Check your usage in your phone's settings, or in your telco's app, during the trip.
- Use Wi-Fi calling where your plan supports it.
- Only add a roaming pass if you mean to use it.
Check Optus's current terms before you travel.
Frequently asked questions
Is Optus roaming worth it?
For a 14-day trip at medium use, a travel eSIM cost less than Optus roaming in 11 of the 11 destinations we compared. Roaming is simpler, as it needs no setup, so it can be worth it on short trips. The table above shows each destination.
How much is Optus roaming per day?
The cheapest Optus add-on we found is Optus Daily Roaming at A$5.00 a day (5 GB/day), checked 14 Nov 2026. Prices can differ by destination, so check the offers table above.
Can I use an eSIM and keep my Optus number?
Yes, if your phone supports dual SIM. Keep your Optus SIM on for calls and SMS, set the travel eSIM as your data line, and turn data roaming off on the Optus line. Check whether Optus charges for calls and texts you receive overseas.
Does Optus roaming work in Europe?
Yes. Optus's Optus Daily Roaming covers Europe. For 14 days at medium use it comes to about A$70.00, checked 14 Nov 2026. The cheapest eSIM for the same trip is ≈ A$41.25.
Will I still get texts and bank codes overseas?
Usually, yes. If you keep your Optus SIM switched on, SMS codes from your bank can still reach you, even with its data roaming turned off. Check Optus's terms for any charges on texts received overseas.
How do I stop roaming charges?
Turn off data roaming for your Optus line in your phone's settings before you land, use Wi-Fi or a travel eSIM for data, and check your usage in the Optus app. Only add a roaming pass if you mean to use it.
Bars Abroad is independent and not affiliated with Optus. Prices from Optus's public site, checked 14 Nov 2026.