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Roaming · O2 UK · Australia

O2 UK roaming in Australia vs a travel eSIM.

Australia is in the O2 UK O2 Travel Inclusive Zone, and the price list has 1 data option for it. Below: about 5 GB for a week with O2 UK, next to a travel eSIM.

  • Charged only when your eSIM is ready
  • Install in a tap
  • Apple Pay · Google Pay · card
Data plans from 1 GB to 50 GB, 10 GB for 30 days selectedCheckout with the plan, the total and the Pay button

About 5 GB for a week in Australia

Option7 days
O2 UK, about 5 GB for 7 days7 × O2 Travel Bolt On · uses your plan's UK allowance£49.00
O2 UK, included plansIncluded in some plansIncluded in plan
eSIM For U, 5 GB for 30 daysSee eSIM plans£7.09
eSIM For U daily plan, 7 days1 GB per day£7.99

Official price list of O2 UK, checked 3 Nov 2026. Standard plans; older contracts may differ. Source Prices in different currencies, not converted.

All O2 UK data options for Australia

DataValidPrice
O2 Travel Bolt OnPlan dataper day£7.00
O2 Travel Inclusive ZonePlan dataIncluded in plan
O2 Travel Inclusive Zone UltimatePlan dataIncluded in plan

In the O2 UK price list, O2 Travel Inclusive Zone covers Australia and 8 other named destinations, among them USA and Canada, all at the same O2 UK prices. Our eSIM prices are live.

Good to know before you travel to Australia

  • Coverage is strong in cities and along the coast, but large parts of the Outback have no mobile signal at all. Download offline maps before a road trip.
  • Sydney’s trains, buses and ferries take contactless cards and phones.

eSIM plans for Australia

  • Networks for AustraliaOptus and Telstra
  • SpeedUp to 5G on both networks. Where there is no 5G, you connect over 4G/LTE.
  • Internet runs viaSingaporeDepending on the plan. Banking or streaming apps may treat you as being there.
Australia eSIMOptus and Telstrafrom £2.79
Get your Australia eSIM

Questions and answers

How much does O2 UK charge for data in Australia?

The table shows the cheapest official O2 UK option for about 5 GB in a week, every O2 UK data option for Australia, and the source with the date we checked it.

Is Australia included in O2 UK plans?

In some plans. O2 UK lists Australia in a zone that some plans include; otherwise the options in the table apply.

Can I keep my O2 UK number in Australia?

Yes. In Australia, keep the O2 UK SIM for calls and texts and use the travel eSIM for data. Turn off data roaming on the O2 UK line so it does not use data.

Where can I see all O2 UK roaming charges?

On the O2 UK roaming charges page, with every destination in the O2 UK price list.

Updated 3 Nov 2026 · checked against our live catalogue

How we check our data · Prices and plans come live from our catalogue; facts come from official sources, listed where we use them.

Sources (4)
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