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Roaming in Costa Rica from France
Bouygues Telecom 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.

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10-day trip to Costa Rica

OperatorCostIncludesSlashtel eSIM (same trip)Difference
Bouygues Telecom€30 · 30 days3GB data only3GB, 30 days: $12.59 (≈€11.28)€18.72 less

Operator prices as listed on bouyguestelecom.fr 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 0.90 per $1. Bouygues Telecom is a trademark of Bouygues Telecom SA. Slashtel is not affiliated with Bouygues Telecom.

Questions

Which French operator is cheapest for roaming in Costa Rica?

For a 10-day trip, Bouygues Telecom at €30. 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 €11.28 (vs Bouygues Telecom €30). Operator options also include calls; the eSIM is data only.

Can I keep my French number in Costa Rica?

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

Bouygues Telecom roaming Costa Rica: full comparisonAll destinations