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Billion Connect eSIM Data Plans for Japan 🇯🇵

★ BEST VALUE Japan Day · 5G
30GB 15 days $0.45/GB
$14.91 $13.42
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Prices include the Billion Connect coupon · taxes may apply at checkout · updated Aug 31, 2026

Quick answers

Does Billion Connect sell eSIM plans for Japan?

Yes. eSIMAdvice currently lists 47 Billion Connect Japan plans.

What is the cheapest Billion Connect eSIM for Japan?

The lowest displayed Billion Connect Japan plan is Japan 5G eSIM [SoftBank] - 2GB/Day - 1 Day at $1.64 for 2GB.

What is the best value Billion Connect Japan plan?

Japan 5G eSIM [SoftBank] - 2GB/Day - 13 Days is the current best-value match by displayed price per GB: $0.45/GB.

Is the ESIMADVICE coupon included in these prices?

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

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