abesteSIM
500MB/day
Data
10 days
Validity
$3.14
$0.31/trip day
Japan10 daysNormal · ≈500 MB/dayFind your eSIM for Japan
1,758 plans · 77 providers
How we rankLowest total price first. Data allowances differ.
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MicroEsim
5G available
500MB/day
Data
10 days
Validity
$3.76
$0.38/trip day
eSIM.DOG
10GB
Data
10 days
Validity
$3.98
$0.40/trip day
eSIM.DOG
5G available
6GB
Data
30 days
Validity
$3.98
$0.40/trip day
eSIM.DOG
5G available
7GB
Data
25 days
Validity
$3.98
$0.40/trip day
eSIM.DOG
8GB
Data
15 days
Validity
$3.98
$0.40/trip day
eSIM.DOG
5G available
10GB
Data
30 days
Validity
$4.20
$0.42/trip day
eSIM.DOG
8GB
Data
25 days
Validity
$4.20
$0.42/trip day
abesteSIM
500MB/day
Data
15 days
Validity
$4.50
$0.45/trip day
iRoamly
500MB/day
Data
10 days
Validity
$4.50
$0.45/trip day
iRoamly
500MB/day
Data
11 days
Validity
$4.90
$0.49/trip day
LotsoTravel
Unlimited
Data
10 days
Validity
$4.95
$0.49/trip day
iRoamly
500MB/day
Data
12 days
Validity
$5.40
$0.54/trip day
MicroEsim
5G available
500MB/day
Data
15 days
Validity
$5.66
$0.57/trip day
abesteSIM
1GB/day
Data
10 days
Validity
$5.78
$0.58/trip day
iRoamly
500MB/day
Data
13 days
Validity
$5.80
$0.58/trip day
eSIM.DOG
8GB
Data
30 days
Validity
$5.85
$0.58/trip day
abesteSIM
500MB/day
Data
20 days
Validity
$5.85
$0.58/trip day
abesteSIM
10GB
Data
10 days
Validity
$5.92
$0.59/trip day
MoodSIM
10GB
Data
30 days
Validity
$5.99
$0.60/trip day
eSIM.DOG
5G available
10GB
Data
15 days
Validity
$5.99
$0.60/trip day
eSIM.DOG
6GB
Data
15 days
Validity
$5.99
$0.60/trip day
abesteSIM
10GB
Data
15 days
Validity
$6.09
$0.61/trip day
iRoamly
500MB/day
Data
14 days
Validity
$6.20
$0.62/trip day
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 $1.10/GB. Prices re-checked 10 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?
1501 of 3036 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.