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.
Code ESIMP
eSIM GigSky Japan 2026: best data plans, code ESIMP (-15%)
Save up to 15% on your GigSky eSIM for Japan. Exclusive verified offer.
About GigSky
GigSky is an eSIM provider for travel to Japan. Premium coverage
Best-value GigSky plan for Japan
Top 1
$0.00
Duration7 days
Data0.1GB
Compatible apps
WhatsAppMapsInstagramTikTokSpotify+5
Not sure which eSIM plan to choose for Japan? We'll hand-pick the best ones just for you
Personalised selection with promo codes & direct links, then reminders before you leave
All eSIM plans for Japan by GigSky in 2026
25 plans found · Last update:
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| # | Plan | Data | Duration | Price/GB | Code | Price | Action |
|---|---|---|---|---|---|---|---|
1 |  Japan – 7 jours GigSkyNTT Docomo Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:  | 0.10GB | 7 days | $0.00 | -15% | $0.00 | |
2 | Japan – 7 jours GigSkyNTT Docomo Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1.00GB | 7 days | $4.62 | -15% | $4.62$5.44 | |
3 | Japan – 7 jours5G GigSkyKDDI Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1.00GB | 7 days | $6.48 | -15% | $6.48$7.62 | |
4 | Japan – 1 jours5G GigSkyKDDI Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | Unlimited | 1 days | ∞ | -15% | $6.48$7.62 | |
5 | Japan – 1 jours GigSkyNTT Docomo Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | Unlimited | 1 days | ∞ | -15% | $6.48$7.62 | |
6 | Japan – 15 jours GigSkyNTT Docomo Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 3.00GB | 15 days | $3.55 | -15% | $10.65$12.52 | |
7 | Japan – 15 jours5G GigSkyKDDI Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 3.00GB | 15 days | $5.71 | -15% | $17.13$20.15 | |
8 | Japan – 30 jours GigSkyNTT Docomo Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 5.00GB | 30 days | $3.70 | -15% | $18.52$21.79 | |
9 | Japan – 3 jours GigSkyNTT Docomo Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | Unlimited | 3 days | ∞ | -15% | $18.06$21.24 | |
10 | Japan – 3 jours5G GigSkyKDDI Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | Unlimited | 3 days | ∞ | -15% | $18.06$21.24 | |
11 | Japan – 5 jours GigSkyNTT Docomo Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | Unlimited | 5 days | ∞ | -15% | $25.93$30.51 | |
12 | Japan – 5 jours5G GigSkyKDDI Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | Unlimited | 5 days | ∞ | -15% | $25.93$30.51 | |
13 | Japan – 30 jours5G GigSkyKDDI Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 5.00GB | 30 days | $5.00 | -15% | $25.01$29.42 | |
14 | Japan – 30 jours GigSkyNTT Docomo Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 10.00GB | 30 days | $2.96 | -15% | $29.64$34.87 | |
15 | Japan – 7 jours5G GigSkyKDDI Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | Unlimited | 7 days | ∞ | -15% | $34.27$40.32 |
#1
Japan – 7 jours
GigSky · NTT Docomo
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
0.10GB
Duration
7 days
Price/GB
$0.00
Code-15% With discount
$0.00
#2
Japan – 7 jours
GigSky · NTT Docomo
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
1.00GB
Duration
7 days
Price/GB
$4.62
Code-15% With discount
$4.62
$5.44
#3
5GJapan – 7 jours
GigSky · KDDI
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
1.00GB
Duration
7 days
Price/GB
$6.48
Code-15% With discount
$6.48
$7.62
#4
5GJapan – 1 jours
GigSky · KDDI
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
Unlimited
Duration
1 days
Price/GB
∞
Code-15% With discount
$6.48
$7.62
#5
Japan – 1 jours
GigSky · NTT Docomo
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
Unlimited
Duration
1 days
Price/GB
∞
Code-15% With discount
$6.48
$7.62
#6
Japan – 15 jours
GigSky · NTT Docomo
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
3.00GB
Duration
15 days
Price/GB
$3.55
Code-15% With discount
$10.65
$12.52
#7
5GJapan – 15 jours
GigSky · KDDI
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
3.00GB
Duration
15 days
Price/GB
$5.71
Code-15% With discount
$17.13
$20.15
#8
Japan – 30 jours
GigSky · NTT Docomo
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
5.00GB
Duration
30 days
Price/GB
$3.70
Code-15% With discount
$18.52
$21.79
#9
Japan – 3 jours
GigSky · NTT Docomo
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
Unlimited
Duration
3 days
Price/GB
∞
Code-15% With discount
$18.06
$21.24
#10
5GJapan – 3 jours
GigSky · KDDI
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
Unlimited
Duration
3 days
Price/GB
∞
Code-15% With discount
$18.06
$21.24
#11
Japan – 5 jours
GigSky · NTT Docomo
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
Unlimited
Duration
5 days
Price/GB
∞
Code-15% With discount
$25.93
$30.51
#12
5GJapan – 5 jours
GigSky · KDDI
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
Unlimited
Duration
5 days
Price/GB
∞
Code-15% With discount
$25.93
$30.51
#13
5GJapan – 30 jours
GigSky · KDDI
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
5.00GB
Duration
30 days
Price/GB
$5.00
Code-15% With discount
$25.01
$29.42
#14
Japan – 30 jours
GigSky · NTT Docomo
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
10.00GB
Duration
30 days
Price/GB
$2.96
Code-15% With discount
$29.64
$34.87
#15
5GJapan – 7 jours
GigSky · KDDI
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
Unlimited
Duration
7 days
Price/GB
∞
Code-15% With discount
$34.27
$40.32
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 eSIMPlanet to compare plans clearly and honestly. Every article is carefully written and reviewed to save you time and money.
Why choose GigSky for Japan?
GigSky is a reliable eSIM provider for Japan. With 25 plans from $4.62, you can pick what fits your trip.
Plans from $4.62 for Japan
Instant QR activation
Solid 4G/5G coverage
Responsive support
Keep your main number on the primary SIM
No hidden fees
FAQ GigSky and Japan
What coverage does GigSky offer in Japan?
GigSky uses local networks for strong 4G/LTE; 5G depends on the network and your device.
How much is a GigSky eSIM for Japan?
Plans start from $4.62. Prices on eSIMPlanet are refreshed regularly.
Can I activate when I land in Japan?
Yes. Install before travel if you like, then activate once you connect to the local network.
How do I activate my GigSky eSIM?
After purchase, scan the QR from email (Settings > Cellular > Add eSIM on iPhone).
Does GigSky cover more than Japan?
GigSky also sells regional or global plans. Check included destinations before buying.
Looking for the best GigSky eSIM plans for Japan in 2026? eSIMPlanet compares live offers from $4.62, with activation in minutes.
GigSky uses dependable local networks in Japan, ideal for leisure or business without painful roaming charges.
Clear pricing, QR activation, and app management: travel light and keep your primary number on the physical SIM.
Verified promo: enter ESIMP at checkout on GigSky for 15% off (tested by eSIMPlanet).
