Best eSIM for Japan in 2026: Complete Comparison & Guide
Discover the best eSIM plans for traveling to Japan. Detailed comparison with real prices, exclusive promo codes, and recommendations by travel profile.
All eSIM plans for Japan by eSIM4Travel in 2026
128 plans found · Last update:
| # | Plan | Data | Duration | Price/GB | Promo code | Price |
|---|---|---|---|---|---|---|
1 |  Japan (KDDI) - 1GB/7Days eSIM4Travel | 1.00GB | 7 days | $1.96 | -10% | $1.96$2.18 |
2 | Japan (SoftBank, KDDI) - 1GB/7Days eSIM4Travel | 1.00GB | 7 days | $2.12 | -10% | $2.12$2.35 |
3 | Japan (KDDI) - 500MB Daily / 5Days eSIM4Travel | 0.49GB | 5 days | $6.17 | -10% | $3.02$3.36 |
4 | Japan (SoftBank, KDDI) - 1GB Daily / 1Days eSIM4Travel | 1.00GB | 1 days | $1.16 | -10% | $1.16$1.29 |
5 | Japan (KDDI) - 500MB Daily / 1Days eSIM4Travel | 0.49GB | 1 days | $2.41 | -10% | $1.18$1.31 |
6 | Japan (KDDI) - 500MB Daily / 6Days eSIM4Travel | 0.49GB | 6 days | $7.02 | -10% | $3.44$3.82 |
7 | Japan (SoftBank, KDDI) - 500MB Daily / 1Days eSIM4Travel | 0.49GB | 1 days | $3.07 | -10% | $1.50$1.67 |
8 | Japan (KDDI) - 500MB Daily / 2Days eSIM4Travel | 0.49GB | 2 days | $3.07 | -10% | $1.50$1.67 |
9 | Japan (KDDI) - 1GB Daily / 1Days eSIM4Travel | 1.00GB | 1 days | $1.50 | -10% | $1.50$1.67 |
10 | Japan (KDDI) - 500MB Daily / 7Days eSIM4Travel | 0.49GB | 7 days | $7.86 | -10% | $3.85$4.28 |
11 | Japan (SoftBank, KDDI) - 500MB Daily / 2Days eSIM4Travel | 0.49GB | 2 days | $4.32 | -10% | $2.12$2.35 |
12 | Japan (KDDI) - 500MB Daily / 3Days eSIM4Travel | 0.49GB | 3 days | $4.48 | -10% | $2.20$2.44 |
13 | Japan (KDDI) - 500MB Daily / 8Days eSIM4Travel | 0.49GB | 8 days | $8.71 | -10% | $4.27$4.74 |
14 | Japan (KDDI) - 1GB Daily / 2Days eSIM4Travel | 1.00GB | 2 days | $2.61 | -10% | $2.61$2.90 |
15 | Japan (KDDI) - 500MB Daily / 4Days eSIM4Travel | 0.49GB | 4 days | $5.33 | -10% | $2.61$2.90 |
#1
Japan (KDDI) - 1GB/7Days
eSIM4Travel
Data
1.00GB
Duration
7 days
Price/GB
$1.96
Promo code-10% With promo
$1.96
$2.18
#2
Japan (SoftBank, KDDI) - 1GB/7Days
eSIM4Travel
Data
1.00GB
Duration
7 days
Price/GB
$2.12
Promo code-10% With promo
$2.12
$2.35
#3
Japan (KDDI) - 500MB Daily / 5Days
eSIM4Travel
Data
0.49GB
Duration
5 days
Price/GB
$6.17
Promo code-10% With promo
$3.02
$3.36
#4
Japan (SoftBank, KDDI) - 1GB Daily / 1Days
eSIM4Travel
Data
1.00GB
Duration
1 days
Price/GB
$1.16
Promo code-10% With promo
$1.16
$1.29
#5
Japan (KDDI) - 500MB Daily / 1Days
eSIM4Travel
Data
0.49GB
Duration
1 days
Price/GB
$2.41
Promo code-10% With promo
$1.18
$1.31
#6
Japan (KDDI) - 500MB Daily / 6Days
eSIM4Travel
Data
0.49GB
Duration
6 days
Price/GB
$7.02
Promo code-10% With promo
$3.44
$3.82
#7
Japan (SoftBank, KDDI) - 500MB Daily / 1Days
eSIM4Travel
Data
0.49GB
Duration
1 days
Price/GB
$3.07
Promo code-10% With promo
$1.50
$1.67
#8
Japan (KDDI) - 500MB Daily / 2Days
eSIM4Travel
Data
0.49GB
Duration
2 days
Price/GB
$3.07
Promo code-10% With promo
$1.50
$1.67
#9
Japan (KDDI) - 1GB Daily / 1Days
eSIM4Travel
Data
1.00GB
Duration
1 days
Price/GB
$1.50
Promo code-10% With promo
$1.50
$1.67
#10
Japan (KDDI) - 500MB Daily / 7Days
eSIM4Travel
Data
0.49GB
Duration
7 days
Price/GB
$7.86
Promo code-10% With promo
$3.85
$4.28
#11
Japan (SoftBank, KDDI) - 500MB Daily / 2Days
eSIM4Travel
Data
0.49GB
Duration
2 days
Price/GB
$4.32
Promo code-10% With promo
$2.12
$2.35
#12
Japan (KDDI) - 500MB Daily / 3Days
eSIM4Travel
Data
0.49GB
Duration
3 days
Price/GB
$4.48
Promo code-10% With promo
$2.20
$2.44
#13
Japan (KDDI) - 500MB Daily / 8Days
eSIM4Travel
Data
0.49GB
Duration
8 days
Price/GB
$8.71
Promo code-10% With promo
$4.27
$4.74
#14
Japan (KDDI) - 1GB Daily / 2Days
eSIM4Travel
Data
1.00GB
Duration
2 days
Price/GB
$2.61
Promo code-10% With promo
$2.61
$2.90
#15
Japan (KDDI) - 500MB Daily / 4Days
eSIM4Travel
Data
0.49GB
Duration
4 days
Price/GB
$5.33
Promo code-10% With promo
$2.61
$2.90
Written and reviewed by
Valentin FourierDigital Nomad
Developer and digital nomad, I lived between Canada and the United States before continuing to explore the world. After struggling with internet connectivity abroad one too many times, I created eSIM Planet to compare plans clearly and honestly. Every article is carefully written and reviewed to save you time and money.
How to use the eSIM4Travel promo code for Japan?
1
Choose your plan
Select the eSIM4Travel plan that fits your needs for your trip to Japan.
2
Go to checkout
Click "View offer" to be redirected to the official eSIM4Travel website.
3
Enter code ESIMP
In the "Promo code" field, enter exactly ESIMP to get 10% off.
4
Activate your eSIM
Complete the purchase and receive your QR code by email. Scan it to activate your Japan eSIM.
Why choose eSIM4Travel for Japan?
eSIM4Travel is one of the most reliable eSIM providers for Japan. With 128 plans available from $1.16, you'll find the perfect offer for your stay.
Plans from $1.16 for Japan
Instant QR code activation
Quality 4G/5G coverage
Responsive customer support
Keep your home phone number
No hidden fees
FAQ about eSIM4Travel Japan
Is the eSIM4Travel promo code valid for Japan in 2026?
Yes, code ESIMP is valid and verified for Japan in 2026. It gives you 10% off all eSIM4Travel plans for Japan.
What network coverage does eSIM4Travel offer in Japan?
eSIM4Travel partners with top local carriers in Japan to provide optimal 4G/LTE coverage. In major cities, you often get 5G depending on your device.
How much does a eSIM4Travel eSIM for Japan cost?
eSIM4Travel plans for Japan start from $1.16. With code ESIMP, you get an additional 10% discount.
Can I use my eSIM4Travel eSIM as soon as I arrive in Japan?
Yes, you can install your eSIM4Travel eSIM before departure and activate it upon arrival in Japan. Activation is instant once connected to the local network.
How do I activate my eSIM4Travel eSIM for Japan?
After purchase, you'll receive a QR code by email. Scan it in your phone settings (Settings > Cellular > Add eSIM Plan on iPhone). Activation takes less than 5 minutes.
Looking for a eSIM4Travel eSIM for your trip to Japan in 2026? You're in the right place. eSIM Planet presents all eSIM4Travel plans available for Japan, with the best prices and exclusive promo code ESIMP for 10% off.
eSIM4Travel is known for quality service and network coverage in Japan. Whether traveling for tourism or business, eSIM4Travel plans keep you connected without exorbitant roaming fees from your home carrier.
The advantage of choosing a eSIM4Travel eSIM for Japan? Instant activation, transparent prices from $1.16, and the ability to keep your home number. No need to search for a SIM shop at the airport or wait for delivery.
