Japan travel roaming eSIM. Use within 180 days of purchase. Speeds of 3G/4G. Installs on one device multiple times. Cannot be transferred.
esim
Japan
From £0.99
- eSIM for Japan
- Works on all unlocked eSIM supporting devices
- Instant delivery of QR code
- Shareable hot spot
- Full high speed data, no throttle
| Plan | 1GB 7Days (IIJ), 10GB/Day, 1GB/Day FUP1Mbps, 5GB 30Days (IIJ), 3GB/Day (IIJ), 5GB 30Day, 3GB/Day FUP1Mbps, 10GB 30Day, 3GB 15Days (IIJ), 1GB/Day (nonhkip), 5GB/Day (nonhkip), 3GB/Day (nonhkip), 50GB 180Day, 1GB 7Days (nonhkip), 5GB 30Days (nonhkip), 3GB 15Day, 500MB/Day (nonhkip), 1GB 7Day, 3GB/Day FUP1Mbps (nonhkip), 1GB/Day (IIJ), 10GB 30Days (IIJ), 20GB 30Day, 3GB 30Days, 50GB 30Days (IIJ), 2GB/Day (nonhkip), 20GB 30Days (nonhkip), 10GB/Day (nonhkip), 2GB/Day (IIJ), 20GB 30Days (IIJ), 500MB/Day (IIJ), 3GB 15Days (nonhkip), 3GB 30Days (nonhkip), 3GB/Day, 2GB/Day FUP1Mbps, 50GB 30Days, 10GB 30Days (nonhkip), 3GB 30Days (IIJ) |
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eSIM for Japan: Stay Connected Without Roaming Fees
Japan offers an extraordinary travel experience, from Tokyo's neon-lit streets and Kyoto's ancient temples to Osaka's food scene and the natural beauty of Hokkaido. Having reliable mobile data makes navigating Japan's complex train systems, translating menus, and discovering hidden gems significantly easier. A Japan eSIM keeps you connected throughout your trip without the shock of international roaming charges.
Why Choose an eSIM for Japan?
- Navigate Japan's extensive rail network with real-time apps like Google Maps and Japan Transit Planner
- Connect instantly on arrival at Narita, Haneda, or Kansai airports with no need to find a SIM vendor
- Save up to 90% compared to typical international roaming fees from UK, US, and Australian carriers
- Install your eSIM before departure and keep your regular number active for calls and texts
How Much Data Do You Need in Japan?
For a week in Japan, most travellers use between 5-10GB of data. Navigation, social media, and messaging apps typically consume 1-2GB daily with moderate use. If you plan to stream video, make video calls, or share your connection via hotspot, consider 15GB or more. Japan has excellent free WiFi in hotels and many cafes, which can help extend your data allowance. For trips longer than two weeks, an unlimited data plan offers the best value and peace of mind.
Frequently Asked Questions
Does eSIM work in Japan?
Yes, eSIM works throughout Japan with excellent coverage. Japanese networks including NTT Docomo, SoftBank, and KDDI support eSIM technology, providing 4G and 5G connectivity across major cities, rural areas, and even on the Shinkansen bullet trains. Coverage extends to popular destinations like Mount Fuji, Hiroshima, and the Japanese Alps.
How do I set up my eSIM for Japan?
After purchase you receive a QR code by email. Scan it in your phone settings before you travel. Your eSIM activates automatically when you arrive in Japan.
Can I use my eSIM hotspot in Japan?
Yes — all Oatfish eSIM plans include shareable hotspot so you can connect other devices to your data plan.
