Japan eSIM Data Plans
From $1.66/GB
Looking for the cheapest eSIM data plan for Japan? Aura eSIM offers pay-as-you-go rates starting from just $1.66 per GB on KDDI Corporation. Choose from 4 networks. No contracts, no expiration, and free eSIM activation.
Available Networks in Japan
You get the fastest speeds each network offers — the same 4G/5G experience as a local customer.
How much data do you need?
Trip length
Usage style
Frequently Asked Questions
What is the best eSIM for Japan?
Aura eSIM offers the cheapest eSIM data for Japan. The most affordable network is KDDI Corporation at $1.66/GB. You pay only for the data you use with no contracts or expiration dates.
How much data do I need for a trip to Japan?
Most travelers use 1–3 GB per week for messaging, maps, and social media. Heavy users streaming video may need 5–10 GB. With Aura eSIM’s pay-as-you-go pricing in Japan, you never overpay — just top up your wallet and use what you need.
Does my eSIM work as soon as I land in Japan?
Yes! We recommend installing your eSIM before your trip while on Wi-Fi. Once you land in Japan, simply enable data roaming and your eSIM connects to a local network automatically. No waiting, no activation required.
What networks does Aura eSIM support in Japan?
Aura eSIM connects to 4 networks in Japan: KDDI Corporation, Rakuten, DOCOMO, SoftBank. You get the same 4G/5G speeds as local customers, with rates starting at $1.66/GB.
How do I top up my eSIM balance for use in Japan?
Simply log into your Aura eSIM account and add funds starting from $10. Your balance works in Japan and 200+ other countries — one wallet, one eSIM, worldwide coverage. Top up any amount from $10, and your balance never expires.
More eSIM Destinations in Asia
Top up your wallet to start using data in Japan and 220 destinations worldwide