300 GB
Data
15 days
Validity
$33.40
$0.11/GB
Find the best eSIM for Japan
2,083 eSIM plans from 44 providers — compare price, data and validity.
All Japan eSIM plans
2083 plans found
How rankings work
CloudOn
Japan
100 GB
Data
31 days
Validity
$29.99
$0.30/GB
CloudOn
Japan
135 GB
Data
91 days
Validity
$41.99
$0.31/GB
100 GB
Data
30 days
Validity
$32.54
$0.33/GB
50 GB
Data
30 days
Validity
$16.27
$0.33/GB
Redteago
Japan
10 GB
Data
1 day
Validity
$3.90
$0.39/GB
20 GB
Data
30 days
Validity
$8.13
$0.41/GB
50 GB
Data
30 days
Validity
$22.15
$0.44/GB
CloudOn
Japan
50 GB
Data
31 days
Validity
$23.99
$0.48/GB
50 GB
Data
30 days
Validity
$24.31
$0.49/GB
10 GB
Data
30 days
Validity
$4.87
$0.49/GB
8 GB
Data
1 day
Validity
$4.07
$0.51/GB
100 GB
Data
30 days
Validity
$52.07
$0.52/GB
eSIMX
Japan
30 GB
Data
7 days
Validity
$15.98
$0.53/GB
50 GB
Data
30 days
Validity
$26.90
$0.54/GB
JamboSim
18 countries
20 GB
Data
30 days
Validity
$10.99
$0.55/GB
Airhub
Japan
100 GB
Data
30 days
Validity
$57.00
$0.57/GB
eSIMX
Japan
20 GB
Data
7 days
Validity
$11.73
$0.59/GB
20 GB
Data
30 days
Validity
$11.73
$0.59/GB
Redteago
12 countries
10 GB
Data
1 day
Validity
$5.90
$0.59/GB
Redteago
Japan
50 GB
Data
180 days
Validity
$29.90
$0.60/GB
JamboSim
Japan
20 GB
Data
30 days
Validity
$11.99
$0.60/GB
50 GB
Data
30 days
Validity
$29.99
$0.60/GB
50 GB
Data
30 days
Validity
$29.99
$0.60/GB
20 GB
Data
30 days
Validity
$12.30
$0.62/GB
Load more
eSIMX
Japan
30 GB
Data
30 days
Validity
$18.53
$0.62/GB
Monty eSIM
Japan
100 GB
Data
30 days
Validity
$63.50
$0.64/GB
Monty eSIM
Japan
50 GB
Data
30 days
Validity
$31.99
$0.64/GB
eTravelSim
Japan
50 GB
Data
30 days
Validity
$32.39
$0.65/GB
Redteago
Japan
30 GB
Data
90 days
Validity
$19.50
$0.65/GB
20 GB
Data
30 days
Validity
$13.26
$0.66/GB
eSIMX
Japan
20 GB
Data
30 days
Validity
$13.43
$0.67/GB
10 GB
Data
30 days
Validity
$6.72
$0.67/GB
Redteago
Japan
20 GB
Data
90 days
Validity
$13.50
$0.68/GB
10 GB
Data
1 day
Validity
$6.84
$0.68/GB
Airhub
Japan
100 GB
Data
30 days
Validity
$69.00
$0.69/GB
50 GB
Data
30 days
Validity
$34.64
$0.69/GB
MyTravel eSIM
Japan
50 GB
Data
30 days
Validity
$34.64
$0.69/GB
GoMoWorld
Japan
30 GB
Data
30 days
Validity
$20.91
$0.70/GB
voilà
Japan
50 GB
Data
30 days
Validity
$34.90
$0.70/GB
20 GB
Data
30 days
Validity
$13.99
$0.70/GB
20 GB
Data
30 days
Validity
$13.99
$0.70/GB
50 GB
Data
30 days
Validity
$34.99
$0.70/GB
20 GB
Data
30 days
Validity
$14.00
$0.70/GB
Nomad
Japan
50 GB
Data
30 days
Validity
$35.00
$0.70/GB
JamboSim
18 countries
100 GB
Data
180 days
Validity
$71.99
$0.72/GB
GoMoWorld
Japan
45 GB
Data
30 days
Validity
$32.54
$0.72/GB
10 GB
Data
30 days
Validity
$7.29
$0.73/GB
eSIMX
108 countries
100 GB
Data
30 days
Validity
$72.93
$0.73/GB
5 GB
Data
30 days
Validity
$3.65
$0.73/GB
Load more
GoMoWorld
Japan
14 GB
Data
30 days
Validity
$10.45
$0.75/GB
Textr eSIM
Japan
20 GB
Data
30 days
Validity
$14.96
$0.75/GB
JamboSim
18 countries
50 GB
Data
90 days
Validity
$37.99
$0.76/GB
eSIMX
Japan
10 GB
Data
7 days
Validity
$7.65
$0.77/GB
30 GB
Data
30 days
Validity
$22.99
$0.77/GB
GoMoWorld
Japan
3 GB
Data
7 days
Validity
$2.31
$0.77/GB
5 GB
Data
30 days
Validity
$3.86
$0.77/GB
50 GB
Data
30 days
Validity
$38.90
$0.78/GB
50 GB
Data
30 days
Validity
$38.90
$0.78/GB
50 GB
Data
30 days
Validity
$39.05
$0.78/GB
eSIMX
11 countries
30 GB
Data
7 days
Validity
$23.63
$0.79/GB
Monty eSIM
Japan
10 GB
Data
15 days
Validity
$7.99
$0.80/GB
JamboSim
18 countries
10 GB
Data
30 days
Validity
$7.99
$0.80/GB
JamboSim
Japan
10 GB
Data
30 days
Validity
$7.99
$0.80/GB
10 GB
Data
30 days
Validity
$7.99
$0.80/GB
10 GB
Data
30 days
Validity
$7.99
$0.80/GB
35 GB
Data
30 days
Validity
$27.99
$0.80/GB
CloudOn
Japan
50 GB
Data
30 days
Validity
$39.99
$0.80/GB
50 GB
Data
180 days
Validity
$40.04
$0.80/GB
3 GB
Data
30 days
Validity
$2.43
$0.81/GB
3 GB
Data
15 days
Validity
$2.43
$0.81/GB
Monty eSIM
Japan
20 GB
Data
30 days
Validity
$16.50
$0.83/GB
12 GB
Data
30 days
Validity
$9.99
$0.83/GB
60 GB
Data
90 days
Validity
$49.99
$0.83/GB
100 GB
Data
30 days
Validity
$83.68
$0.84/GB
Load more
25 GB
Data
30 days
Validity
$20.99
$0.84/GB
voilà
Japan
20 GB
Data
30 days
Validity
$16.80
$0.84/GB
eSIMX
11 countries
20 GB
Data
7 days
Validity
$16.83
$0.84/GB
20 GB
Data
30 days
Validity
$16.90
$0.85/GB
10 GB
Data
15 days
Validity
$8.49
$0.85/GB
20 GB
Data
30 days
Validity
$16.99
$0.85/GB
20 GB
Data
30 days
Validity
$16.99
$0.85/GB
20 GB
Data
30 days
Validity
$16.99
$0.85/GB
Monty eSIM
Japan
10 GB
Data
30 days
Validity
$8.50
$0.85/GB
3 GB
Data
30 days
Validity
$2.57
$0.86/GB
50 GB
Data
180 days
Validity
$42.90
$0.86/GB
5 GB
Data
30 days
Validity
$4.32
$0.86/GB
15 GB
Data
30 days
Validity
$12.99
$0.87/GB
30 GB
Data
30 days
Validity
$25.99
$0.87/GB
100 GB
Data
180 days
Validity
$86.99
$0.87/GB
Airhub
Japan
25 GB
Data
30 days
Validity
$21.80
$0.87/GB
40 GB
Data
30 days
Validity
$34.99
$0.87/GB
35 GB
Data
60 days
Validity
$30.99
$0.89/GB
Airalo
18 countries
100 GB
Data
180 days
Validity
$89.00
$0.89/GB
10 GB
Data
30 days
Validity
$8.93
$0.89/GB
Textr eSIM
Japan
10 GB
Data
30 days
Validity
$8.98
$0.90/GB
eTravelSim
Japan
20 GB
Data
30 days
Validity
$17.99
$0.90/GB
20 GB
Data
30 days
Validity
$17.99
$0.90/GB
Airhub
Japan
4 GB
Data
30 days
Validity
$3.60
$0.90/GB
Monty eSIM
Japan
5 GB
Data
7 days
Validity
$4.50
$0.90/GB
Showing 25 of 2083 plans
Mobile networks in Japan
An eSIM for Japan connects to one or more of the local networks below. You don't pick the carrier directly — each plan roams onto its partner network — but knowing the operators helps you judge coverage.
- NTT Docomo — largest network, best rural and mountain reach
- SoftBank — strong urban 5G
- au (KDDI) — solid nationwide coverage
- Rakuten Mobile — growing network, mainly in cities
5G & coverage in Japan
5G is widely available in Tokyo, Osaka, Kyoto and other metros, and bullet-train routes stay connected. Mountainous and rural areas rely on Docomo/au for the most reliable signal.
Popular destinations in Japan
Most travellers buy an eSIM for Japan when heading to Tokyo, Osaka, Kyoto and other top spots:
TokyoOsakaKyotoSapporoFukuokaOkinawa
Looking for the best eSIM for Japan? eSIM Spotter compares 2083 prepaid data plans from 44 providers in its catalogue, so you can sort by price per GB, data allowance and validity and pick the right plan before you travel.
Among metered plans of up to 50 GB valid for at least three days, plans for Japan start from $0.29 and the lowest listed price per GB is about $0.33. We track 2083 plans across 44 providers.
Providers serving Japan include Roamix, AlpineSIM, Wiiline — compare all 44 on this page.
How to choose an eSIM for Japan
Start with how much data you need and how long you are staying. For short city trips a small 1–5 GB plan is usually enough; for longer stays or hotspot use, look at larger or unlimited plans. Check that the plan covers Japan as a local or regional option, compare the price per GB rather than the headline price, and confirm your phone supports eSIM before you buy.
How we compare eSIM plans
We compare plans in our catalogue by price per GB, data allowance and validity. The starting-price and price-per-GB figures use metered plans of up to 50 GB that are valid for at least three days. eSIM Spotter is an independent comparison site — we may earn an affiliate commission when you buy, but it never affects how plans are ranked.
Last updated Sep 10, 2026
Japan eSIM — frequently asked questions.
How much does an eSIM for Japan cost?+
Among metered plans of up to 50 GB valid for at least three days, plans for Japan start from around $0.29, and the lowest listed price per GB is about $0.33. Across 44 providers we track 2083 plans, so the exact price depends on the data allowance and validity you choose.
Which providers offer eSIMs for Japan?+
We track 44 providers with eSIM coverage for Japan. You can compare them side by side in the table above and filter by provider, data amount and validity.
Will my phone work with an eSIM in Japan?+
Most recent iPhone, Google Pixel and Samsung Galaxy models support eSIM, but it depends on the exact model and whether your phone is carrier-unlocked. Check your device settings or manufacturer specs for eSIM support before buying a plan for Japan.
How do I activate an eSIM in Japan?+
After buying, most providers send a QR code or in-app setup. Add the eSIM in your phone's cellular settings, scan the code, and enable the plan when you arrive in Japan. Many plans activate on first connection to a local network.
Can I get unlimited data in Japan?+
Availability of plans marketed as unlimited varies by provider. Some reduce speed after a daily high-speed allowance, so check the fair-use terms in the plan details.
Is an eSIM cheaper than roaming in Japan?+
For most travelers an eSIM is cheaper than standard carrier roaming in Japan, because you pay local prepaid rates instead of roaming fees. Compare the price per GB above against your home carrier's roaming rate to see your saving.
