Japan15-Day eSIM Cost Compare
10-20 day medium-length trip eSIM plans · 34 plans
For a two-week trip to Japan (10-20 days), you want enough data without paying for unused days. A 15-day plan hits the sweet spot between flexibility and value. This page shows 34 medium-length eSIM plans for Japan, price range $3.60 – $110.59, sorted by price to help you find the best deal.
📍 Looking for all options? See the full list of Japan eSIM plans across all durations and providers.
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Best Rated eSIM Plans forJapan
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NTT DoCoMo / SoftBank / au KDDI · 4G/5G
$34.31
$2.29/day
Last verified Jul 28, 2026
JP · 4G/5G
$27.99
$2.00/day
Last verified Jul 28, 2026
jp · 4G/5G
$45.50
$4.55/day
Last verified Jul 28, 2026
jp · 4G/5G
$63.50
$4.23/day
Last verified Jul 28, 2026
jp · 4G/5G
$17.82
$1.78/day
Last verified Jul 28, 2026
jp · 4G/5G
$20.16
$2.02/day
Last verified Jul 28, 2026
jp · 4G/5G
$34.38
$2.29/day
Last verified Jul 28, 2026
JP · LTE/5G
$35.00
$3.50/day · $0.00/GB
Last verified Jul 28, 2026
JP · LTE/5G
$35.00
$3.50/day · $0.00/GB
Last verified Jul 28, 2026
jp · 4G/5G
$36.90
$2.46/day
Last verified Jul 28, 2026
Japan · 4G/5G
$49.90
$39.90
-20%$2.00/day
Last verified Jul 28, 2026
japan · 4G/5G
$41.03
$4.10/day
Last verified Jul 28, 2026
japan · 4G/5G
$48.59
$3.24/day
Last verified Jul 28, 2026
JP · LTE/5G
$49.00
$3.27/day · $0.00/GB
Last verified Jul 28, 2026
JP · LTE/5G
$49.00
$3.27/day · $0.00/GB
Last verified Jul 28, 2026
Japan · 4G/5G
$21.90
$9.90
-55%$0.66/day · $0.99/GB
Last verified Jul 28, 2026
japan · 4G/5G
$32.39
$3.24/day · $1.62/GB
Last verified Jul 28, 2026
japan · 4G/5G
$33.47
$2.23/day · $1.67/GB
Last verified Jul 28, 2026
japan · 4G/5G
$22.67
$2.27/day · $2.27/GB
Last verified Jul 28, 2026
japan · 4G/5G
$23.75
$1.58/day · $2.38/GB
Last verified Jul 28, 2026
japan · 4G/5G
$110.59
$7.90/day · $11.06/GB
Last verified Jul 28, 2026
jp · 4G/5G
$3.60
$0.24/day · $1.80/GB
Last verified Jul 28, 2026
japan · 4G/5G
$55.30
$3.95/day · $11.06/GB
Last verified Jul 28, 2026
jp · 4G/5G
$3.78
$0.25/day · $1.89/GB
Last verified Jul 28, 2026
japan · 4G/5G
$8.63
$0.86/day · $2.88/GB
Last verified Jul 28, 2026
JP · LTE/5G
$6.50
$0.43/day · $3.25/GB
Last verified Jul 28, 2026
JP · LTE/5G
$6.50
$0.43/day · $3.25/GB
Last verified Jul 28, 2026
jp · 4G/5G
$9.72
$0.65/day · $4.86/GB
Last verified Jul 28, 2026
japan · 4G/5G
$22.12
$1.58/day · $11.06/GB
Last verified Jul 28, 2026
jp · 4G/5G
$29.70
$1.98/day · $14.85/GB
Last verified Jul 28, 2026
japan · 4G/5G
$6.47
$0.65/day · $6.47/GB
Last verified Jul 28, 2026
japan · 4G/5G
$7.55
$0.50/day · $7.55/GB
Last verified Jul 28, 2026
japan · 4G/5G
$11.06
$0.79/day · $11.06/GB
Last verified Jul 28, 2026
Japan · 4G/5G
$13.41
$11.66
-13%$0.78/day · $3.89/GB
Last verified Jul 28, 2026
Carrier: $8.00/day → eSIM: $0.24/day · Save 97%
Japan tips to avoid pitfalls
- 💡 Check if hotspot sharing is supported first.
- 💡 Short-term travelers can consider 5GB / 7 days plans.
- 💡 Long-term visitors should compare unlimited data vs throttling rules.
Japan 15 Days eSIM FAQ
How much does a Japan 15 Days eSIM plan cost?
We currently list 34 Japan 15 Days eSIM plans, with prices ranging $3.60 – $110.59. The cheapest is Japan 2GB 15 days, around $3.60. Actual prices may vary with promotions and exchange rates — check the provider page before purchase.
Is a 15-day plan better value than two 7-day plans for Japan?
Usually yes — a single 15-day plan often costs less than buying two separate 7-day plans, and you don't have to switch mid-trip. We compare both options so you can see which gives you the best value for your Japan trip.
What if my 15-day Japan eSIM runs out of data?
Most providers offer top-ups / data add-ons if you run out before the plan expires. Some also let you purchase a new plan that activates immediately. Check the provider's top-up policy before buying to avoid running out mid-trip.
Is it better to buy an eSIM or a physical SIM for Japan?
An eSIM needs no card swap, can be installed before departure, activates right after landing, and supports dual SIM (keeping your home number). A physical SIM suits cases needing a local phone number or a device without eSIM support. Compare eSIM prices here first — they're usually cheaper than airport counters.
How do I activate a Japan eSIM after landing?
Install it before departure over Wi-Fi. After landing, enable data roaming to auto-activate; if there's still no service after 1-2 minutes, manually select the local operator in settings. Checking device compatibility before departure reduces the risk of activation failure.
⚠️ Read before buying: Japan eSIM pitfalls guide
Red/black list and common pitfalls like throttling, activation failures
Japan eSIM related guides
View Japan other scenarios
AviaeSIM
2GB · 15 days