21-Day Japan eSIM — Best Plans & Pricing
Traveling to Japan for 21 days? Compare all available eSIM plans below. Japan Wireless offers both unlimited 5G and fixed-data options — activated instantly via QR code, no SIM card needed. Plans start from $63.44.
Unlimited Data Plans — 21 Days
Unlimited plans give you unrestricted high-speed data for your full 21-day stay. The 5G option runs on KDDI's network — Japan's largest 5G coverage.
Why Japan Wireless for 21 Days?
- ✓ Instant QR code delivery — activate before you board
- ✓ Runs on KDDI (5G) and IIJmio (4G) — Japan's most reliable networks
- ✓ No physical SIM swap, no roaming setup
- ✓ Japanese customer support available in multiple languages
- ✓ Operating since 2012 — 1.6M+ travelers served