Billion Connect Code ESIMADVICE · auto-applied

Billion Connect eSIM Data Plans for Japan 🇯🇵

“All plans” leaves out 4 multi-country packs that one of Billion Connect’s plans for Japan matches or beats on price, data and validity — they are listed under Multiple-country.

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PLANDATAVALIDITYPRICE/GBPRICE

Prices include the Billion Connect coupon · taxes may apply at checkout · updated Oct 12, 2026

Quick answers

Does Billion Connect sell eSIM plans for Japan?

Yes. eSIMAdvice currently lists 45 Billion Connect Japan plans.

What is the cheapest Billion Connect eSIM for Japan?

The lowest displayed Billion Connect Japan plan is Japan · 2 GB · 1 day · 5G, at $1.64.

What is the best value Billion Connect Japan plan?

Japan · 150 GB · 15 days · 5G · 10 GB/day high speed then 384kbps is the current best-value match by displayed price per GB: $0.19/GB ($28.93 in total).

Is the ESIMADVICE coupon included in these prices?

Yes. Eligible displayed prices already include the active ESIMADVICE coupon where the provider rule applies.