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Roaming in Australia from the UK
EE, Vodafone UK, O2, Three, Sky Mobile, Lyca Mobile, Tesco Mobile, SMARTY vs eSIM.

Each operator's option for a 10-day trip, checked on its own site, next to a live data eSIM price for Australia.

See Australia eSIM plans →

10-day trip to Australia

OperatorCostIncludesSlashtel eSIM (same trip)Difference
EE£50 · 15 daysUK plan allowance for 15 days.20GB, 30 days: $16.39 (≈£12.33)£37.67 less
Vodafone UK£80 · 10 days£8/day x 10 days10GB, 30 days: $8.79 (≈£6.61)£73.39 less
O2£6 · 30 days1GB data only3GB, 30 days: $4.89 (≈£3.68)£2.32 less
Three£80 · 10 days£8/day x 10 days10GB, 30 days: $8.79 (≈£6.61)£73.39 less
Sky Mobile£20 · 10 days£2/day x 10 days10GB, 30 days: $8.79 (≈£6.61)£13.39 less
Lyca Mobile£5 · 7 days2.5GB3GB, 15 days: $3.39 (≈£2.55)£2.45 less
Tesco Mobile£10.24 · 1 days1GB data only1GB, 7 days: $2.99 (≈£2.25)£7.99 less
SMARTY£102.40 · 1 days1GB data only1GB, 7 days: $2.99 (≈£2.25)£100.15 less

Operator prices as listed on ee.co.uk, vodafone.co.uk, o2.co.uk, three.co.uk, static.skyassets.com, lycamobile.co.uk, tescomobile.com, cdn.smarty.co.uk on 26 October 2026; they include calls as well as data. Where an operator charges by the day, we compare an eSIM with at least 1GB a day. Slashtel prices are live in US dollars, converted at 0.75 per $1. EE is a trademark of EE Limited (BT Group). Slashtel is not affiliated with EE. Vodafone is a trademark of Vodafone Group Plc. Slashtel is not affiliated with Vodafone UK. O2 is a trademark of Telefonica UK Limited (Virgin Media O2). Slashtel is not affiliated with O2. Three is a trademark of Hutchison 3G UK Limited. Slashtel is not affiliated with Three. Sky Mobile is a trademark of Sky UK Limited. Slashtel is not affiliated with Sky Mobile. Lyca Mobile is a trademark of Lycamobile UK Limited. Slashtel is not affiliated with Lyca Mobile. Tesco Mobile is a trademark of Tesco Mobile Limited. Slashtel is not affiliated with Tesco Mobile. SMARTY is a trademark of Hutchison 3G UK Limited. Slashtel is not affiliated with SMARTY.

Questions

Which UK operator is cheapest for roaming in Australia?

For a 10-day trip, Lyca Mobile at £5. EE: £50. Vodafone UK: £80. O2: £6. Three: £80. Sky Mobile: £20. Tesco Mobile: £10.24. SMARTY: £102.40. Options differ in calls and data allowances, so compare what you will use.

Is a data eSIM cheaper than roaming in Australia?

For data, yes against each option we list: a Slashtel eSIM for the same trip costs £12.33 (vs EE £50), £6.61 (vs Vodafone UK £80), £3.68 (vs O2 £6), £6.61 (vs Three £80), £6.61 (vs Sky Mobile £20), £2.55 (vs Lyca Mobile £5), £2.25 (vs Tesco Mobile £10.24), £2.25 (vs SMARTY £102.40). Operator options also include calls; the eSIM is data only.

Can I keep my UK number in Australia?

Yes. Keep your UK SIM in the phone for calls and texts such as bank codes, and use the eSIM for mobile data.

EE roaming Australia: full comparisonVodafone UK roaming Australia: full comparisonO2 roaming Australia: full comparisonThree roaming Australia: full comparisonSky Mobile roaming Australia: full comparisonLyca Mobile roaming Australia: full comparisonTesco Mobile roaming Australia: full comparisonSMARTY roaming Australia: full comparisonAll destinations