Before you fly

Cheapest eSIM for your Japan trip

Japan has excellent coverage and almost no free public WiFi worth relying on. Sort your data out before you land — five minutes, and no airport queue.

Find the cheapest plan for your trip

Enter how long you are staying and how much data you need. We show the cheapest plan from each provider that covers it, cheapest first.

days
Data you need

    3 providers, 117 plans, taken from each provider's own site on 2026-09-02. Data-only, Japan-only plans. Prices change — check the provider for the final figure.

    Some links here are affiliate links: buy through one and this site earns a commission, at no extra cost to you. It does not affect the ranking — the list is sorted by price.

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