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 Ubigi in 2026
15 plans found · Last update:
| # | Plan | Data | Duration | Price/GB | Promo code | Price |
|---|---|---|---|---|---|---|
1 |  Japon Forfait eSIM prépayée - 1Go | Ubigi Ubigi | 1.00GB | 30 days | $3.92 | -10% | $3.92$4.36 |
2 | Japon Forfait eSIM prépayée - 1Go | Ubigi Ubigi | 1.00GB | 3 days | $3.43 | -10% | $3.43$3.82 |
3 | Japon Forfait eSIM prépayée - 3Go | Ubigi Ubigi | 3.00GB | 15 days | $2.62 | -10% | $7.85$8.72 |
4 | Japan + Corée Du Sud Forfait eSIM prépayée - 5Go/mois | Ubigi5G Ubigi | 5.00GB | 30 days | $1.57 | -10% | $7.85$8.72 |
5 | Japon Forfait eSIM prépayée - 5Go/mois | Ubigi5G Ubigi | 5.00GB | 30 days | $1.57 | -10% | $7.85$8.72 |
6 | Corée Du Sud Forfait eSIM prépayée - 3Go | Ubigi Ubigi | 24.00GB | 360 days | $0.37 | -10% | $8.83$9.81 |
7 | Japon Forfait eSIM prépayée - 5Go | Ubigi5G Ubigi | 5.00GB | 15 days | $2.35 | -10% | $11.77$13.08 |
8 | Japon Forfait eSIM prépayée - 10Go | Ubigi Ubigi | 10.00GB | 7 days | $1.37 | -10% | $13.73$15.26 |
9 | Japon Forfait eSIM prépayée - 10Go | Ubigi Ubigi | 10.00GB | 30 days | $1.67 | -10% | $16.68$18.53 |
10 | Japon Forfait eSIM prépayée - 20Go/mois | Ubigi Ubigi | 20.00GB | 30 days | $1.08 | -10% | $21.58$23.98 |
11 | Japon Forfait eSIM prépayée - Données illimitées | Ubigi Ubigi | Unlimited | 7 days | ∞ | -10% | $24.53$27.25 |
12 | Japon Forfait eSIM prépayée - 25Go | Ubigi5G Ubigi | 25.00GB | 30 days | $1.26 | -10% | $31.39$34.88 |
13 | Japon Forfait eSIM prépayée - Données illimitées | Ubigi Ubigi | Unlimited | 15 days | ∞ | -10% | $38.26$42.51 |
14 | Japon Forfait eSIM prépayée - Données illimitées | Ubigi Ubigi | Unlimited | 30 days | ∞ | -10% | $48.07$53.41 |
15 | Japon Forfait eSIM prépayée - 50Go | Ubigi Ubigi | 50.00GB | 30 days | $1.08 | -10% | $53.96$59.95 |
#1
Japon Forfait eSIM prépayée - 1Go | Ubigi
Ubigi
Data
1.00GB
Duration
30 days
Price/GB
$3.92
Promo code-10% With promo
$3.92
$4.36
#2
Japon Forfait eSIM prépayée - 1Go | Ubigi
Ubigi
Data
1.00GB
Duration
3 days
Price/GB
$3.43
Promo code-10% With promo
$3.43
$3.82
#3
Japon Forfait eSIM prépayée - 3Go | Ubigi
Ubigi
Data
3.00GB
Duration
15 days
Price/GB
$2.62
Promo code-10% With promo
$7.85
$8.72
#4
5GJapan + Corée Du Sud Forfait eSIM prépayée - 5Go/mois | Ubigi
Ubigi
Data
5.00GB
Duration
30 days
Price/GB
$1.57
Promo code-10% With promo
$7.85
$8.72
#5
5GJapon Forfait eSIM prépayée - 5Go/mois | Ubigi
Ubigi
Data
5.00GB
Duration
30 days
Price/GB
$1.57
Promo code-10% With promo
$7.85
$8.72
#6
Corée Du Sud Forfait eSIM prépayée - 3Go | Ubigi
Ubigi
Data
24.00GB
Duration
360 days
Price/GB
$0.37
Promo code-10% With promo
$8.83
$9.81
#7
5GJapon Forfait eSIM prépayée - 5Go | Ubigi
Ubigi
Data
5.00GB
Duration
15 days
Price/GB
$2.35
Promo code-10% With promo
$11.77
$13.08
#8
Japon Forfait eSIM prépayée - 10Go | Ubigi
Ubigi
Data
10.00GB
Duration
7 days
Price/GB
$1.37
Promo code-10% With promo
$13.73
$15.26
#9
Japon Forfait eSIM prépayée - 10Go | Ubigi
Ubigi
Data
10.00GB
Duration
30 days
Price/GB
$1.67
Promo code-10% With promo
$16.68
$18.53
#10
Japon Forfait eSIM prépayée - 20Go/mois | Ubigi
Ubigi
Data
20.00GB
Duration
30 days
Price/GB
$1.08
Promo code-10% With promo
$21.58
$23.98
#11
Japon Forfait eSIM prépayée - Données illimitées | Ubigi
Ubigi
Data
Unlimited
Duration
7 days
Price/GB
∞
Promo code-10% With promo
$24.53
$27.25
#12
5GJapon Forfait eSIM prépayée - 25Go | Ubigi
Ubigi
Data
25.00GB
Duration
30 days
Price/GB
$1.26
Promo code-10% With promo
$31.39
$34.88
#13
Japon Forfait eSIM prépayée - Données illimitées | Ubigi
Ubigi
Data
Unlimited
Duration
15 days
Price/GB
∞
Promo code-10% With promo
$38.26
$42.51
#14
Japon Forfait eSIM prépayée - Données illimitées | Ubigi
Ubigi
Data
Unlimited
Duration
30 days
Price/GB
∞
Promo code-10% With promo
$48.07
$53.41
#15
Japon Forfait eSIM prépayée - 50Go | Ubigi
Ubigi
Data
50.00GB
Duration
30 days
Price/GB
$1.08
Promo code-10% With promo
$53.96
$59.95
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 Ubigi promo code for Japan?
1
Choose your plan
Select the Ubigi plan that fits your needs for your trip to Japan.
2
Go to checkout
Click "View offer" to be redirected to the official Ubigi 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 Ubigi for Japan?
Ubigi is one of the most reliable eSIM providers for Japan. With 15 plans available from $3.43, you'll find the perfect offer for your stay.
Plans from $3.43 for Japan
Instant QR code activation
Quality 4G/5G coverage
Responsive customer support
Keep your home phone number
No hidden fees
FAQ about Ubigi Japan
Is the Ubigi promo code valid for Japan in 2026?
Yes, code ESIMP is valid and verified for Japan in 2026. It gives you 10% off all Ubigi plans for Japan.
What network coverage does Ubigi offer in Japan?
Ubigi 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 Ubigi eSIM for Japan cost?
Ubigi plans for Japan start from $3.43. With code ESIMP, you get an additional 10% discount.
Can I use my Ubigi eSIM as soon as I arrive in Japan?
Yes, you can install your Ubigi eSIM before departure and activate it upon arrival in Japan. Activation is instant once connected to the local network.
How do I activate my Ubigi 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 Ubigi eSIM for your trip to Japan in 2026? You're in the right place. eSIM Planet presents all Ubigi plans available for Japan, with the best prices and exclusive promo code ESIMP for 10% off.
Ubigi is known for quality service and network coverage in Japan. Whether traveling for tourism or business, Ubigi plans keep you connected without exorbitant roaming fees from your home carrier.
The advantage of choosing a Ubigi eSIM for Japan? Instant activation, transparent prices from $3.43, and the ability to keep your home number. No need to search for a SIM shop at the airport or wait for delivery.
