AlpineSIM
5G available
100MB
Data
7 days
Validity
Check coupon eligibility10% off · eligibility not yet confirmed · 10% off with AFFINCO.
$0.29
$2.97/GB
JapanAny lengthNormal · ≈500 MB/dayFind your eSIM for Japan
Showing all plan lengths — tell us your trip length and we'll rank by what your days actually cost.
155 plans · 78 providers
How we rankLowest total price first. Data allowances differ.
Up to two plans per provider · 3,054 matching plans. Show all plans
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abesteSIM
500MB/day
Data
1 days
Validity
$0.39
$0.80/GB
abesteSIM
1GB/day
Data
1 days
Validity
$0.44
$0.44/GB
MoodSIM
100MB
Data
7 days
Validity
$0.49
$5.02/GB
VoyaSIM
5G available
500MB
Data
7 days
Validity
Check coupon eligibility10% off · eligibility not yet confirmed · 10% off with ESIMADVICE10. No minimum spend.
$0.50
$1.02/GB
Bloomy eSIM
5G available
100MB
Data
7 days
Validity
$0.50
$5.12/GB
VoyaSIM
5G available
100MB
Data
7 days
Validity
Check coupon eligibility10% off · eligibility not yet confirmed · 10% off with ESIMADVICE10. No minimum spend.
$0.50
$5.12/GB
AlpineSIM
5G available
500MB
Data
7 days
Validity
Check coupon eligibility10% off · eligibility not yet confirmed · 10% off with AFFINCO.
$0.56
$1.15/GB
eSIM.DOG
4G available
500MB
Data
7 days
Validity
$0.57
$1.17/GB
Bloomy eSIM
5G available
500MB
Data
7 days
Validity
$0.60
$1.23/GB
iRoamly
500MB/day
Data
1 days
Validity
$0.60
$1.23/GB
eSIM.DOG
5G available
1GB
Data
2 days
Validity
$0.62
$0.62/GB
RedteaGO
300MB
Data
1 days
Validity
$0.70
$2.39/GB
MoodSIM
500MB
Data
7 days
Validity
$0.75
$1.54/GB
eSIM4Travel
1GB
Data
7 days
Validity
$0.77
$0.77/GB
iRoamly
500MB/day
Data
2 days
Validity
$0.80
$0.82/GB
MicroEsim
5G available
500MB/day
Data
1 days
Validity
$0.81
$1.66/GB
CONNECT ME GURU
5G available
100MB
Data
7 days
Validity
$0.85
$8.70/GB
Roamix
5G available
100MB
Data
7 days
Validity
$0.85
$8.70/GB
Skyalo
100MB
Data
7 days
Validity
$0.99
$10.14/GB
AeroCell
500MB/day
Data
1 days
Validity
Check coupon eligibility20% off · eligibility not yet confirmed · 20% off with AFFINCO.
$0.99
$2.03/GB
RedteaGO
100MB
Data
1 days
Validity
$1.00
$10.24/GB
CONNECT ME GURU
5G available
500MB
Data
7 days
Validity
$1.00
$2.05/GB
MicroEsim
5G available
1GB/day
Data
1 days
Validity
$1.02
$1.02/GB
Good to know in Japan
Install the eSIM before leaving airport Wi-Fi and keep data roaming enabled for the travel line. Japan's dense rail network includes tunnels and underground sections, so a brief hand-off or signal drop does not necessarily mean the plan failed.
Also travelling to…
Good questions about Japan eSIMs
What is the cheapest eSIM for Japan?
Plans start at $0.29 and the median price is $1.08/GB. Prices re-checked 1 h ago.
When should I install an eSIM for Japan?
Install on reliable Wi-Fi within the provider's documented window. Some plans start validity at installation and others at first connection, so follow the selected plan's email rather than assuming.
Are unlimited eSIM plans available for Japan?
Yes. 386 current plans are listed as unlimited. Read each network note for a daily high-speed allowance or throttle rule; “unlimited” is not automatically full speed all day.
Can I use hotspot with an eSIM for Japan?
1523 of 3057 plans allow hotspot/tethering — filter by “Hotspot / tethering” above. Plans that block it carry a “No hotspot” badge, and where a provider hasn't told us, we show “—” rather than guess.