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Roaming in Costa Rica from the UK
EE, Vodafone UK, Three, 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 Costa Rica.

See Costa Rica eSIM plans →

10-day trip to Costa Rica

OperatorCostIncludesSlashtel eSIM (same trip)Difference
EE£80 · 10 days£8/day x 10 days10GB, 30 days: $40.29 (≈£30.12)£49.88 less
Vodafone UK£80 · 10 days£8/day x 10 days10GB, 30 days: $40.29 (≈£30.12)£49.88 less
Three£80 · 10 days£8/day x 10 days10GB, 30 days: $40.29 (≈£30.12)£49.88 less
Lyca Mobile£15360 · 1 days1GB data only1GB, 7 days: $4.89 (≈£3.66)£15356.34 less
Tesco Mobile£5120 · 1 days1GB data only1GB, 7 days: $4.89 (≈£3.66)£5116.34 less
SMARTY£102.40 · 1 days1GB data only1GB, 7 days: $4.89 (≈£3.66)£98.74 less

Operator prices as listed on ee.co.uk, vodafone.co.uk, three.co.uk, 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. Three is a trademark of Hutchison 3G UK Limited. Slashtel is not affiliated with Three. 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 Costa Rica?

For a 10-day trip, EE at £80. Vodafone UK: £80. Three: £80. Lyca Mobile: £15360. Tesco Mobile: £5120. SMARTY: £102.40. Options differ in calls and data allowances, so compare what you will use.

Is a data eSIM cheaper than roaming in Costa Rica?

For data, yes against each option we list: a Slashtel eSIM for the same trip costs £30.12 (vs EE £80), £30.12 (vs Vodafone UK £80), £30.12 (vs Three £80), £3.66 (vs Lyca Mobile £15360), £3.66 (vs Tesco Mobile £5120), £3.66 (vs SMARTY £102.40). Operator options also include calls; the eSIM is data only.

Can I keep my UK number in Costa Rica?

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 Costa Rica: full comparisonVodafone UK roaming Costa Rica: full comparisonThree roaming Costa Rica: full comparisonLyca Mobile roaming Costa Rica: full comparisonTesco Mobile roaming Costa Rica: full comparisonSMARTY roaming Costa Rica: full comparisonAll destinations