Top pick01
Saily
10 GB, 30 days
$16.34
$1.63 / GB
Asia
Best Japan eSIM
From $0.58 · 12 carriers · 200 plans
Updated July 8, 2026
Top 4 recommended
View dealDeal
#202
GoMoWorld
17 GB, 30 days
$11.98
$0.70 / GB
#303
GigSky
1 GB, 7 days
$4.62
$4.62 / GB
#404
Esimo
3 GB, 30 days
$8.90
$2.97 / GB
Full comparison
All Japan eSIM plans
Recommended sort. USD prices. Updated July 8, 2026.
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FAQ
Japan eSIM, answered
What is the cheapest eSIM for Japan?+
Plans start from $0.58. Use our comparator to find the best price per GB for your trip duration.
How do I activate an eSIM in Japan?+
Purchase online, receive a QR code by email, scan it in your phone settings, and enable the eSIM line when you arrive.
Is there a promo code for Japan eSIM plans?+
Yes. Use code ESIMP at checkout on participating carriers for verified discounts on Japan plans.