JapanStudy Abroad Data Plans
30+ days long stay, large/unlimited data first ยท 140 plans
Studying or staying long-term in Japan (30+ days) calls for large data and stability. This page shows 140 long-term / large-data plans, of which 70 are unlimited, sorted by data amount to help you find a plan that lasts the whole month.
๐ Looking for all options? See the full list of Japan eSIM plans across all durations and providers.
Japan Study Abroad ยท Editor's Picks
Sorted by data from high to low, top 3 picks
Japan Unlimited Data 10 days
Unlimited Data ยท 10 days ยท Hotspot
aloSIM japan eSIM plan
Japan Unlimited Data 15 days
Unlimited Data ยท 15 days ยท Hotspot
aloSIM japan eSIM plan
Japan Unlimited Data 30 days
Unlimited Data ยท 30 days ยท Hotspot
aloSIM japan eSIM plan
Filter by days
Best Rated eSIM Plans forJapan
japan ยท
$35.00
$29.90
-15%$0.17/day ยท $0.60/GB
Last verified Oct 19, 2026
japan ยท
$29.00
$19.50
-33%$0.22/day ยท $0.65/GB
Last verified Oct 19, 2026
japan ยท
$20.00
$13.50
-33%$0.15/day ยท $0.68/GB
Last verified Oct 19, 2026
JP ยท 4G/5G
$27.99
$2.00/day
Last verified Oct 19, 2026
JP ยท 4G/5G
$49.99
$1.67/day
Last verified Oct 19, 2026
JP ยท 4G/5G
$9.99
$3.33/day
Last verified Oct 19, 2026
JP ยท 4G/5G
$19.99
$2.86/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$34.50
$3.45/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$48.00
$3.20/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$11.50
$3.83/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$69.00
$2.30/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$17.00
$3.40/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$26.50
$3.79/day
Last verified Oct 19, 2026
japan ยท
$0.77
$0.70
$0.70/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$32.28
$3.23/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$33.90
$3.08/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$35.51
$2.96/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$37.12
$2.86/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$38.73
$2.77/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$34.31
$2.29/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$41.76
$2.61/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$43.17
$2.54/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$44.60
$2.48/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$46.02
$2.42/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$4.23
$4.23/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$47.43
$2.37/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$48.86
$2.33/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$50.28
$2.29/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$51.69
$2.25/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$53.11
$2.21/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$54.54
$2.18/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$55.95
$2.15/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$57.37
$2.12/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$58.79
$2.10/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$60.21
$2.08/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$7.84
$3.92/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$51.46
$1.72/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$11.77
$3.92/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$15.69
$3.92/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$19.61
$3.92/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$23.53
$3.92/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$24.01
$3.43/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$29.07
$3.63/day
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$30.68
$3.41/day
Last verified Oct 19, 2026
JP ยท LTE/5G
$35.00
$3.50/day ยท $0.00/GB
Last verified Oct 19, 2026
JP ยท LTE/5G
$49.00
$3.27/day ยท $0.00/GB
Last verified Oct 19, 2026
JP ยท LTE/5G
$74.00
$2.47/day ยท $0.00/GB
Last verified Oct 19, 2026
JP ยท LTE/5G
$11.50
$3.83/day ยท $0.00/GB
Last verified Oct 19, 2026
JP ยท LTE/5G
$19.50
$3.90/day ยท $0.00/GB
Last verified Oct 19, 2026
JP ยท LTE/5G
$27.00
$3.86/day ยท $0.00/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$17.82
$1.78/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$20.16
$2.02/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$34.38
$2.29/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$36.90
$2.46/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$48.24
$1.61/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$51.84
$1.73/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$8.46
$2.82/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$9.00
$3.00/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$11.88
$2.38/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$12.60
$2.52/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$14.94
$2.13/day
Last verified Oct 19, 2026
jp ยท 4G/5G
$15.84
$2.26/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$70.19
$2.34/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$41.03
$4.10/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$48.59
$3.24/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$75.59
$2.52/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$26.99
$5.40/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$53.99
$5.40/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$64.79
$4.32/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$86.39
$2.88/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$35.63
$7.13/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$48.99
$1.63/day
Last verified Oct 19, 2026
Japan ยท 4G/5G
$49.90
$39.90
-20%$2.00/day
Last verified Oct 19, 2026
japan ยท 4G/5G
$34.55
$1.15/day ยท $0.69/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$14.04
$0.47/day ยท $0.70/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$43.19
$1.44/day ยท $0.85/GB
Last verified Oct 19, 2026
japan ยท
$18.00
$9.50
-47%$0.16/day ยท $0.95/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$14.94
$0.50/day ยท $0.75/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$92.16
$0.51/day ยท $0.92/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$16.95
$0.56/day ยท $0.85/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$50.22
$0.56/day ยท $1.00/GB
Last verified Oct 19, 2026
japan ยท
$9.90
$8.50
-14%$0.28/day ยท $1.70/GB
Last verified Oct 19, 2026
japan ยท
$7.90
$6.90
-13%$0.23/day ยท $2.30/GB
Last verified Oct 19, 2026
japan ยท
$3.90
$2.50
-36%$0.08/day ยท $2.50/GB
Last verified Oct 19, 2026
Japan ยท 4G/5G
$39.90
$29.90
-25%$1.00/day ยท $1.00/GB
Last verified Oct 19, 2026
Japan ยท 4G/5G
$29.90
$19.90
-33%$0.66/day ยท $0.99/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$268.20
$2.15/day ยท $4.47/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$9.18
$0.31/day ยท $0.92/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$71.27
$0.40/day ยท $1.40/GB
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$34.31
$1.14/day ยท $1.14/GB
Last verified Oct 19, 2026
Japan ยท 4G/5G
$95.88
$89.33
$0.99/day ยท $1.79/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$9.72
$0.32/day ยท $0.97/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$9.95
$0.33/day ยท $0.99/GB
Last verified Oct 19, 2026
JP ยท LTE/5G
$25.00
$0.83/day ยท $1.25/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$24.99
$0.83/day ยท $1.25/GB
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$25.73
$0.86/day ยท $1.29/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$52.56
$1.75/day ยท $2.63/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$105.30
$0.29/day ยท $5.27/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$135.90
$0.37/day ยท $6.80/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$221.18
$7.37/day ยท $11.06/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$5.58
$0.19/day ยท $1.12/GB
Last verified Oct 19, 2026
Japan ยท 4G/5G
$70.07
$62.58
-11%$1.04/day ยท $2.09/GB
Last verified Oct 19, 2026
APAC (18 countries) ยท 4G/5G
$63.49
$57.72
$1.92/day ยท $2.89/GB
Last verified Oct 19, 2026
Global (100 countries) ยท 4G/5G
$104.19
$94.72
$3.16/day ยท $4.74/GB
Last verified Oct 19, 2026
Japan ยท 4G/5G
$48.34
$44.67
$1.49/day ยท $2.23/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$5.95
$0.20/day ยท $1.19/GB
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$18.30
$0.61/day ยท $1.83/GB
Last verified Oct 19, 2026
JP ยท LTE/5G
$18.00
$0.60/day ยท $1.80/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$120.42
$0.67/day ยท $12.04/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$90.00
$0.50/day ยท $9.00/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$32.40
$1.08/day ยท $3.24/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$110.59
$3.69/day ยท $11.06/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$17.99
$0.60/day ยท $1.80/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$6.30
$0.21/day ยท $1.26/GB
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$10.06
$0.34/day ยท $2.01/GB
Last verified Oct 19, 2026
Japan ยท 4G/5G
$39.77
$36.01
$1.20/day ยท $2.40/GB
Last verified Oct 19, 2026
JP ยท LTE/5G
$11.00
$0.37/day ยท $2.20/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$18.90
$0.63/day ยท $3.78/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$18.90
$0.32/day ยท $3.78/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$65.52
$1.09/day ยท $13.10/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$55.30
$1.84/day ยท $11.06/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$10.99
$0.37/day ยท $2.20/GB
Last verified Oct 19, 2026
APAC (18 countries) ยท 4G/5G
$39.07
$35.52
$1.18/day ยท $3.55/GB
Last verified Oct 19, 2026
Global (100 countries) ยท 4G/5G
$61.86
$56.24
$1.87/day ยท $5.62/GB
Last verified Oct 19, 2026
Japan ยท 4G/5G
$28.59
$26.36
$0.88/day ยท $2.64/GB
Last verified Oct 19, 2026
APAC (18 countries) ยท 4G/5G
$28.49
$25.90
$0.86/day ยท $5.18/GB
Last verified Oct 19, 2026
Global (100 countries) ยท 4G/5G
$46.40
$42.18
$1.41/day ยท $8.44/GB
Last verified Oct 19, 2026
Japan ยท 4G/5G
$17.71
$16.63
$0.55/day ยท $3.33/GB
Last verified Oct 19, 2026
JP ยท LTE/5G
$8.00
$0.27/day ยท $2.67/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$12.06
$0.40/day ยท $4.02/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$4.14
$0.14/day ยท $1.38/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$41.94
$1.40/day ยท $13.98/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$4.50
$0.15/day ยท $1.50/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$4.15
$0.14/day ยท $1.38/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$7.99
$0.27/day ยท $2.66/GB
Last verified Oct 19, 2026
NTT DoCoMo / SoftBank / au KDDI ยท 4G/5G
$4.23
$0.14/day ยท $4.23/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$11.06
$0.37/day ยท $11.06/GB
Last verified Oct 19, 2026
japan ยท 4G/5G
$8.63
$0.29/day ยท $8.63/GB
Last verified Oct 19, 2026
jp ยท 4G/5G
$2.43
$0.08/day ยท $12.15/GB
Last verified Oct 19, 2026
Global (100 countries) ยท 4G/5G
$40.70
$37.00
$1.23/day ยท $37.00/GB
Last verified Oct 19, 2026
Affiliate Disclosure: Some links on this page are affiliate links. If you click one and make a purchase, we may receive a commission at no extra cost to you. This never affects our scores or rankings.
Carrier: $8.00/day โ eSIM: $0.08/day ยท Save 99%
Japan tips to avoid pitfalls
- ๐ก Check if hotspot sharing is supported first.
- ๐ก Short-term travelers can consider 5GB / 7 days plans.
- ๐ก Long-term visitors should compare unlimited data vs throttling rules.
Japan Study Abroad eSIM FAQ
How much does a Japan Study Abroad eSIM plan cost?
We currently list 140 Japan Study Abroad eSIM plans, with prices ranging $0.70 โ $268.20. The cheapest is Japan Unlimited Data 1 days, around $0.70. Actual prices may vary with promotions and exchange rates โ check the provider page before purchase.
Is an eSIM cost-effective for studying in Japan?
For the transition period (your first month), a large-data eSIM is very convenient and avoids queuing for a local SIM. This page has 70 unlimited plans to choose from. For longer stays, a local number is usually cheaper once you're settled โ balance it by your stay duration.
Can I keep my home number active for OTP while studying in Japan?
Yes โ this is one of the biggest advantages of eSIM for students. Keep your home SIM (physical or eSIM) active for calls, SMS, and OTP codes, and use the study abroad eSIM for data. Just make sure to turn off data roaming on your home SIM to avoid charges. Receiving SMS is usually free even when roaming.
How much data do I need for a semester studying in Japan?
Most students need 15-25GB per month if they have access to campus WiFi. Heavy users (streaming, gaming, no good dorm WiFi) might need 30-50GB. Light users who are on campus WiFi most of the time can get by with 5-10GB. We recommend starting with a 20-30GB plan for the first month and adjusting based on actual usage.
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 โ 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.
โ ๏ธ 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
RedteaGO
Unlimited Data ยท 1 days