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Roaming in Cambodia from the UK
EE, Vodafone UK, O2, Three, Sky Mobile, Lyca 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 Cambodia.

See Cambodia eSIM plans →

10-day trip to Cambodia

OperatorCostIncludesSlashtel eSIM (same trip)Difference
EE£80 · 10 days£8/day x 10 days10GB, 30 days: $16.39 (≈£12.33)£67.67 less
Vodafone UK£80 · 10 days£8/day x 10 days10GB, 30 days: $16.39 (≈£12.33)£67.67 less
O2£26 · 30 days0.09765625GB data only3GB, 30 days: $6.29 (≈£4.73)£21.27 less
Three£80 · 10 days£8/day x 10 days10GB, 30 days: $16.39 (≈£12.33)£67.67 less
Sky Mobile£4423.68 · 1 days1GB data only1GB, 7 days: $2.79 (≈£2.10)£4421.58 less
Lyca Mobile£5120 · 1 days1GB data only1GB, 7 days: $2.79 (≈£2.10)£5117.90 less
SMARTY£1024 · 1 days1GB data only1GB, 7 days: $2.79 (≈£2.10)£1021.90 less

Operator prices as listed on ee.co.uk, vodafone.co.uk, o2.co.uk, three.co.uk, static.skyassets.com, lycamobile.co.uk, 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. SMARTY is a trademark of Hutchison 3G UK Limited. Slashtel is not affiliated with SMARTY.

Questions

Which UK operator is cheapest for roaming in Cambodia?

For a 10-day trip, O2 at £26. EE: £80. Vodafone UK: £80. Three: £80. Sky Mobile: £4423.68. Lyca Mobile: £5120. SMARTY: £1024. Options differ in calls and data allowances, so compare what you will use.

Is a data eSIM cheaper than roaming in Cambodia?

For data, yes against each option we list: a Slashtel eSIM for the same trip costs £12.33 (vs EE £80), £12.33 (vs Vodafone UK £80), £4.73 (vs O2 £26), £12.33 (vs Three £80), £2.10 (vs Sky Mobile £4423.68), £2.10 (vs Lyca Mobile £5120), £2.10 (vs SMARTY £1024). Operator options also include calls; the eSIM is data only.

Can I keep my UK number in Cambodia?

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 Cambodia: full comparisonVodafone UK roaming Cambodia: full comparisonO2 roaming Cambodia: full comparisonThree roaming Cambodia: full comparisonSky Mobile roaming Cambodia: full comparisonLyca Mobile roaming Cambodia: full comparisonSMARTY roaming Cambodia: full comparisonAll destinations